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| <div class="header"> |
| <div class="subTitle">org.apache.hadoop.hbase.coprocessor</div> |
| <h2 title="Interface RegionObserver" class="title">Interface RegionObserver</h2> |
| </div> |
| <div class="contentContainer"> |
| <div class="description"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <dl> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/security/access/AccessController.html" title="class in org.apache.hadoop.hbase.security.access">AccessController</a>, <a href="../../../../../org/apache/hadoop/hbase/backup/BackupObserver.html" title="class in org.apache.hadoop.hbase.backup">BackupObserver</a>, <a href="../../../../../org/apache/hadoop/hbase/constraint/ConstraintProcessor.html" title="class in org.apache.hadoop.hbase.constraint">ConstraintProcessor</a>, <a href="../../../../../org/apache/hadoop/hbase/coprocessor/example/ExampleRegionObserverWithMetrics.ExampleRegionObserver.html" title="class in org.apache.hadoop.hbase.coprocessor.example">ExampleRegionObserverWithMetrics.ExampleRegionObserver</a>, <a href="../../../../../org/apache/hadoop/hbase/coprocessor/MetaTableMetrics.ExampleRegionObserverMeta.html" title="class in org.apache.hadoop.hbase.coprocessor">MetaTableMetrics.ExampleRegionObserverMeta</a>, <a href="../../../../../org/apache/hadoop/hbase/replication/regionserver/ReplicationObserver.html" title="class in org.apache.hadoop.hbase.replication.regionserver">ReplicationObserver</a>, <a href="../../../../../org/apache/hadoop/hbase/coprocessor/example/ScanModifyingObserver.html" title="class in org.apache.hadoop.hbase.coprocessor.example">ScanModifyingObserver</a>, <a href="../../../../../org/apache/hadoop/hbase/coprocessor/example/ValueRewritingObserver.html" title="class in org.apache.hadoop.hbase.coprocessor.example">ValueRewritingObserver</a>, <a href="../../../../../org/apache/hadoop/hbase/security/visibility/VisibilityController.html" title="class in org.apache.hadoop.hbase.security.visibility">VisibilityController</a>, <a href="../../../../../org/apache/hadoop/hbase/coprocessor/example/WriteHeavyIncrementObserver.html" title="class in org.apache.hadoop.hbase.coprocessor.example">WriteHeavyIncrementObserver</a>, <a href="../../../../../org/apache/hadoop/hbase/tool/WriteSinkCoprocessor.html" title="class in org.apache.hadoop.hbase.tool">WriteSinkCoprocessor</a>, <a href="../../../../../org/apache/hadoop/hbase/coprocessor/example/ZooKeeperScanPolicyObserver.html" title="class in org.apache.hadoop.hbase.coprocessor.example">ZooKeeperScanPolicyObserver</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>@InterfaceAudience.LimitedPrivate(value="Coprocesssor") |
| @InterfaceStability.Evolving |
| public interface <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.102">RegionObserver</a></pre> |
| <div class="block">Coprocessors implement this interface to observe and mediate client actions on the region. |
| <p> |
| Since most implementations will be interested in only a subset of hooks, this class uses |
| 'default' functions to avoid having to add unnecessary overrides. When the functions are |
| non-empty, it's simply to satisfy the compiler by returning value of expected (non-void) type. It |
| is done in a way that these default definitions act as no-op. So our suggestion to implementation |
| would be to not call these 'default' methods from overrides. |
| <p> |
| <h3>Exception Handling</h3><br> |
| For all functions, exception handling is done as follows: |
| <ul> |
| <li>Exceptions of type <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io"><code>IOException</code></a> are reported back to client.</li> |
| <li>For any other kind of exception: |
| <ul> |
| <li>If the configuration <a href="../../../../../org/apache/hadoop/hbase/coprocessor/CoprocessorHost.html#ABORT_ON_ERROR_KEY"><code>CoprocessorHost.ABORT_ON_ERROR_KEY</code></a> is set to true, then the |
| server aborts.</li> |
| <li>Otherwise, coprocessor is removed from the server and |
| <a href="../../../../../org/apache/hadoop/hbase/DoNotRetryIOException.html" title="class in org.apache.hadoop.hbase"><code>DoNotRetryIOException</code></a> is returned to the client.</li> |
| </ul> |
| </li> |
| </ul> |
| <p> |
| <h3>For Split Related Hooks</h3> <br> |
| In hbase2/AMv2, master runs splits, so the split related hooks are moved to |
| <a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor"><code>MasterObserver</code></a>. |
| <p> |
| <h3>Increment Column Value</h3><br> |
| We do not call this hook anymore.</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ======== NESTED CLASS SUMMARY ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="nested.class.summary"> |
| <!-- --> |
| </a> |
| <h3>Nested Class Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Nested Class Summary table, listing nested classes, and an explanation"> |
| <caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Interface and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.MutationType.html" title="enum in org.apache.hadoop.hbase.coprocessor">RegionObserver.MutationType</a></span></code> |
| <div class="block">Mutation type for postMutationBeforeWAL hook</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <li class="blockList"><a name="method.summary"> |
| <!-- --> |
| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t5" class="tableTab"><span><a href="javascript:show(16);">Default Methods</a></span><span class="tabEnd"> </span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postAppend-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Append-org.apache.hadoop.hbase.client.Result-">postAppend</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Append.html" title="class in org.apache.hadoop.hbase.client">Append</a> append, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> result)</code> |
| <div class="block">Called after Append</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>default <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>,<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postAppendBeforeWAL-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Mutation-java.util.List-">postAppendBeforeWAL</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a> mutation, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>,<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>>> cellPairs)</code> |
| <div class="block">Called after a list of new cells has been created during an append operation, but before |
| they are committed to the WAL or memstore.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postBatchMutate-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.MiniBatchOperationInProgress-">postBatchMutate</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/MiniBatchOperationInProgress.html" title="class in org.apache.hadoop.hbase.regionserver">MiniBatchOperationInProgress</a><<a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a>> miniBatchOp)</code> |
| <div class="block">This will be called after applying a batch of Mutations on a region.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postBatchMutateIndispensably-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.MiniBatchOperationInProgress-boolean-">postBatchMutateIndispensably</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/MiniBatchOperationInProgress.html" title="class in org.apache.hadoop.hbase.regionserver">MiniBatchOperationInProgress</a><<a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a>> miniBatchOp, |
| boolean success)</code> |
| <div class="block">Called after the completion of batch put/delete and will be called even if the batch operation |
| fails.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postBulkLoadHFile-org.apache.hadoop.hbase.coprocessor.ObserverContext-java.util.List-java.util.Map-">postBulkLoadHFile</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><byte[],<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>>> stagingFamilyPaths, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><byte[],<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.Path>> finalPaths)</code> |
| <div class="block">Called after bulkLoadHFile.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>default boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postCheckAndDelete-org.apache.hadoop.hbase.coprocessor.ObserverContext-byte:A-byte:A-byte:A-org.apache.hadoop.hbase.CompareOperator-org.apache.hadoop.hbase.filter.ByteArrayComparable-org.apache.hadoop.hbase.client.Delete-boolean-">postCheckAndDelete</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| byte[] row, |
| byte[] family, |
| byte[] qualifier, |
| <a href="../../../../../org/apache/hadoop/hbase/CompareOperator.html" title="enum in org.apache.hadoop.hbase">CompareOperator</a> op, |
| <a href="../../../../../org/apache/hadoop/hbase/filter/ByteArrayComparable.html" title="class in org.apache.hadoop.hbase.filter">ByteArrayComparable</a> comparator, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Delete.html" title="class in org.apache.hadoop.hbase.client">Delete</a> delete, |
| boolean result)</code> |
| <div class="block">Called after checkAndDelete</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>default boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postCheckAndPut-org.apache.hadoop.hbase.coprocessor.ObserverContext-byte:A-byte:A-byte:A-org.apache.hadoop.hbase.CompareOperator-org.apache.hadoop.hbase.filter.ByteArrayComparable-org.apache.hadoop.hbase.client.Put-boolean-">postCheckAndPut</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| byte[] row, |
| byte[] family, |
| byte[] qualifier, |
| <a href="../../../../../org/apache/hadoop/hbase/CompareOperator.html" title="enum in org.apache.hadoop.hbase">CompareOperator</a> op, |
| <a href="../../../../../org/apache/hadoop/hbase/filter/ByteArrayComparable.html" title="class in org.apache.hadoop.hbase.filter">ByteArrayComparable</a> comparator, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Put.html" title="class in org.apache.hadoop.hbase.client">Put</a> put, |
| boolean result)</code> |
| <div class="block">Called after checkAndPut</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postClose-org.apache.hadoop.hbase.coprocessor.ObserverContext-boolean-">postClose</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| boolean abortRequested)</code> |
| <div class="block">Called after the region is reported as closed to the master.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postCloseRegionOperation-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Region.Operation-">postCloseRegionOperation</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Region.Operation.html" title="enum in org.apache.hadoop.hbase.regionserver">Region.Operation</a> operation)</code> |
| <div class="block">Called after releasing read lock in <a href="../../../../../org/apache/hadoop/hbase/regionserver/Region.html#closeRegionOperation--"><code>Region.closeRegionOperation()</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postCommitStoreFile-org.apache.hadoop.hbase.coprocessor.ObserverContext-byte:A-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-">postCommitStoreFile</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| byte[] family, |
| org.apache.hadoop.fs.Path srcPath, |
| org.apache.hadoop.fs.Path dstPath)</code> |
| <div class="block">Called after moving bulk loaded hfile to region directory.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postCompact-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.StoreFile-org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker-org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest-">postCompact</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFile</a> resultFile, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionLifeCycleTracker</a> tracker, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionRequest.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionRequest</a> request)</code> |
| <div class="block">Called after compaction has completed and the new store file has been moved in to place.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postCompactSelection-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-java.util.List-org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker-org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest-">postCompactSelection</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><? extends <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFile</a>> selected, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionLifeCycleTracker</a> tracker, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionRequest.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionRequest</a> request)</code> |
| <div class="block">Called after the <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver"><code>StoreFile</code></a>s to compact have been selected from the available |
| candidates.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postDelete-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Delete-org.apache.hadoop.hbase.wal.WALEdit-org.apache.hadoop.hbase.client.Durability-">postDelete</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Delete.html" title="class in org.apache.hadoop.hbase.client">Delete</a> delete, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a> edit, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a> durability)</code> |
| <div class="block">Called after the client deletes a value.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>default boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postExists-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Get-boolean-">postExists</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> get, |
| boolean exists)</code> |
| <div class="block">Called after the client tests for existence using a Get.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postFlush-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker-">postFlush</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a> tracker)</code> |
| <div class="block">Called after the memstore is flushed to disk.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postFlush-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.StoreFile-org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker-">postFlush</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFile</a> resultFile, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a> tracker)</code> |
| <div class="block">Called after a Store's memstore is flushed to disk.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postGetOp-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Get-java.util.List-">postGetOp</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> get, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> result)</code> |
| <div class="block">Called after the client performs a Get</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postIncrement-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Increment-org.apache.hadoop.hbase.client.Result-">postIncrement</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Increment.html" title="class in org.apache.hadoop.hbase.client">Increment</a> increment, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> result)</code> |
| <div class="block">Called after increment</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>default <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>,<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postIncrementBeforeWAL-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Mutation-java.util.List-">postIncrementBeforeWAL</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a> mutation, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>,<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>>> cellPairs)</code> |
| <div class="block">Called after a list of new cells has been created during an increment operation, but before |
| they are committed to the WAL or memstore.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/DeleteTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.querymatcher">DeleteTracker</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postInstantiateDeleteTracker-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.querymatcher.DeleteTracker-">postInstantiateDeleteTracker</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/DeleteTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.querymatcher">DeleteTracker</a> delTracker)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">Since 2.0 with out any replacement and will be removed in 3.0</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postMemStoreCompaction-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-">postMemStoreCompaction</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store)</code> |
| <div class="block">Called after the in memory compaction is finished.</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postMutationBeforeWAL-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.coprocessor.RegionObserver.MutationType-org.apache.hadoop.hbase.client.Mutation-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">postMutationBeforeWAL</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.MutationType.html" title="enum in org.apache.hadoop.hbase.coprocessor">RegionObserver.MutationType</a> opType, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a> mutation, |
| <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> oldCell, |
| <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> newCell)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">since 2.2.0 and will be removedin 4.0.0. Use |
| <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postIncrementBeforeWAL-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Mutation-java.util.List-"><code>postIncrementBeforeWAL(ObserverContext, Mutation, List)</code></a> or |
| <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postAppendBeforeWAL-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Mutation-java.util.List-"><code>postAppendBeforeWAL(ObserverContext, Mutation, List)</code></a> instead.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-">postOpen</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c)</code> |
| <div class="block">Called after the region is reported as open to the master.</div> |
| </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postPut-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Put-org.apache.hadoop.hbase.wal.WALEdit-org.apache.hadoop.hbase.client.Durability-">postPut</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Put.html" title="class in org.apache.hadoop.hbase.client">Put</a> put, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a> edit, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a> durability)</code> |
| <div class="block">Called after the client stores a value.</div> |
| </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postReplayWALs-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.RegionInfo-org.apache.hadoop.fs.Path-">postReplayWALs</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> info, |
| org.apache.hadoop.fs.Path edits)</code> |
| <div class="block">Called after replaying WALs for this region.</div> |
| </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postScannerClose-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.InternalScanner-">postScannerClose</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> s)</code> |
| <div class="block">Called after the client closes a scanner.</div> |
| </td> |
| </tr> |
| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code>default boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postScannerFilterRow-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.InternalScanner-org.apache.hadoop.hbase.Cell-boolean-">postScannerFilterRow</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> s, |
| <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> curRowCell, |
| boolean hasMore)</code> |
| <div class="block">This will be called by the scan flow when the current scanned row is being filtered out by the |
| filter.</div> |
| </td> |
| </tr> |
| <tr id="i27" class="rowColor"> |
| <td class="colFirst"><code>default boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postScannerNext-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.InternalScanner-java.util.List-int-boolean-">postScannerNext</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> s, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>> result, |
| int limit, |
| boolean hasNext)</code> |
| <div class="block">Called after the client asks for the next row on a scanner.</div> |
| </td> |
| </tr> |
| <tr id="i28" class="altColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">RegionScanner</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postScannerOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Scan-org.apache.hadoop.hbase.regionserver.RegionScanner-">postScannerOpen</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">RegionScanner</a> s)</code> |
| <div class="block">Called after the client opens a new scanner.</div> |
| </td> |
| </tr> |
| <tr id="i29" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postStartRegionOperation-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Region.Operation-">postStartRegionOperation</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Region.Operation.html" title="enum in org.apache.hadoop.hbase.regionserver">Region.Operation</a> operation)</code> |
| <div class="block">This will be called for region operations where read lock is acquired in |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Region.html#startRegionOperation--"><code>Region.startRegionOperation()</code></a>.</div> |
| </td> |
| </tr> |
| <tr id="i30" class="altColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileReader.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileReader</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postStoreFileReaderOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.io.FSDataInputStreamWrapper-long-org.apache.hadoop.hbase.io.hfile.CacheConfig-org.apache.hadoop.hbase.io.Reference-org.apache.hadoop.hbase.regionserver.StoreFileReader-">postStoreFileReaderOpen</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path p, |
| <a href="../../../../../org/apache/hadoop/hbase/io/FSDataInputStreamWrapper.html" title="class in org.apache.hadoop.hbase.io">FSDataInputStreamWrapper</a> in, |
| long size, |
| <a href="../../../../../org/apache/hadoop/hbase/io/hfile/CacheConfig.html" title="class in org.apache.hadoop.hbase.io.hfile">CacheConfig</a> cacheConf, |
| <a href="../../../../../org/apache/hadoop/hbase/io/Reference.html" title="class in org.apache.hadoop.hbase.io">Reference</a> r, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileReader.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileReader</a> reader)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">For Phoenix only, StoreFileReader is not a stable interface.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i31" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postWALRestore-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.RegionInfo-org.apache.hadoop.hbase.wal.WALKey-org.apache.hadoop.hbase.wal.WALEdit-">postWALRestore</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> info, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html" title="interface in org.apache.hadoop.hbase.wal">WALKey</a> logKey, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a> logEdit)</code> |
| <div class="block">Called after a <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal"><code>WALEdit</code></a> |
| replayed for this region.</div> |
| </td> |
| </tr> |
| <tr id="i32" class="altColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preAppend-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Append-">preAppend</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Append.html" title="class in org.apache.hadoop.hbase.client">Append</a> append)</code> |
| <div class="block">Called before Append.</div> |
| </td> |
| </tr> |
| <tr id="i33" class="rowColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preAppendAfterRowLock-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Append-">preAppendAfterRowLock</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Append.html" title="class in org.apache.hadoop.hbase.client">Append</a> append)</code> |
| <div class="block">Called before Append but after acquiring rowlock.</div> |
| </td> |
| </tr> |
| <tr id="i34" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preBatchMutate-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.MiniBatchOperationInProgress-">preBatchMutate</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/MiniBatchOperationInProgress.html" title="class in org.apache.hadoop.hbase.regionserver">MiniBatchOperationInProgress</a><<a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a>> miniBatchOp)</code> |
| <div class="block">This will be called for every batch mutation operation happening at the server.</div> |
| </td> |
| </tr> |
| <tr id="i35" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preBulkLoadHFile-org.apache.hadoop.hbase.coprocessor.ObserverContext-java.util.List-">preBulkLoadHFile</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><byte[],<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>>> familyPaths)</code> |
| <div class="block">Called before bulkLoadHFile.</div> |
| </td> |
| </tr> |
| <tr id="i36" class="altColor"> |
| <td class="colFirst"><code>default boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preCheckAndDelete-org.apache.hadoop.hbase.coprocessor.ObserverContext-byte:A-byte:A-byte:A-org.apache.hadoop.hbase.CompareOperator-org.apache.hadoop.hbase.filter.ByteArrayComparable-org.apache.hadoop.hbase.client.Delete-boolean-">preCheckAndDelete</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| byte[] row, |
| byte[] family, |
| byte[] qualifier, |
| <a href="../../../../../org/apache/hadoop/hbase/CompareOperator.html" title="enum in org.apache.hadoop.hbase">CompareOperator</a> op, |
| <a href="../../../../../org/apache/hadoop/hbase/filter/ByteArrayComparable.html" title="class in org.apache.hadoop.hbase.filter">ByteArrayComparable</a> comparator, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Delete.html" title="class in org.apache.hadoop.hbase.client">Delete</a> delete, |
| boolean result)</code> |
| <div class="block">Called before checkAndDelete.</div> |
| </td> |
| </tr> |
| <tr id="i37" class="rowColor"> |
| <td class="colFirst"><code>default boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preCheckAndDeleteAfterRowLock-org.apache.hadoop.hbase.coprocessor.ObserverContext-byte:A-byte:A-byte:A-org.apache.hadoop.hbase.CompareOperator-org.apache.hadoop.hbase.filter.ByteArrayComparable-org.apache.hadoop.hbase.client.Delete-boolean-">preCheckAndDeleteAfterRowLock</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| byte[] row, |
| byte[] family, |
| byte[] qualifier, |
| <a href="../../../../../org/apache/hadoop/hbase/CompareOperator.html" title="enum in org.apache.hadoop.hbase">CompareOperator</a> op, |
| <a href="../../../../../org/apache/hadoop/hbase/filter/ByteArrayComparable.html" title="class in org.apache.hadoop.hbase.filter">ByteArrayComparable</a> comparator, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Delete.html" title="class in org.apache.hadoop.hbase.client">Delete</a> delete, |
| boolean result)</code> |
| <div class="block">Called before checkAndDelete but after acquiring rowock.</div> |
| </td> |
| </tr> |
| <tr id="i38" class="altColor"> |
| <td class="colFirst"><code>default boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preCheckAndPut-org.apache.hadoop.hbase.coprocessor.ObserverContext-byte:A-byte:A-byte:A-org.apache.hadoop.hbase.CompareOperator-org.apache.hadoop.hbase.filter.ByteArrayComparable-org.apache.hadoop.hbase.client.Put-boolean-">preCheckAndPut</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| byte[] row, |
| byte[] family, |
| byte[] qualifier, |
| <a href="../../../../../org/apache/hadoop/hbase/CompareOperator.html" title="enum in org.apache.hadoop.hbase">CompareOperator</a> op, |
| <a href="../../../../../org/apache/hadoop/hbase/filter/ByteArrayComparable.html" title="class in org.apache.hadoop.hbase.filter">ByteArrayComparable</a> comparator, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Put.html" title="class in org.apache.hadoop.hbase.client">Put</a> put, |
| boolean result)</code> |
| <div class="block">Called before checkAndPut.</div> |
| </td> |
| </tr> |
| <tr id="i39" class="rowColor"> |
| <td class="colFirst"><code>default boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preCheckAndPutAfterRowLock-org.apache.hadoop.hbase.coprocessor.ObserverContext-byte:A-byte:A-byte:A-org.apache.hadoop.hbase.CompareOperator-org.apache.hadoop.hbase.filter.ByteArrayComparable-org.apache.hadoop.hbase.client.Put-boolean-">preCheckAndPutAfterRowLock</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| byte[] row, |
| byte[] family, |
| byte[] qualifier, |
| <a href="../../../../../org/apache/hadoop/hbase/CompareOperator.html" title="enum in org.apache.hadoop.hbase">CompareOperator</a> op, |
| <a href="../../../../../org/apache/hadoop/hbase/filter/ByteArrayComparable.html" title="class in org.apache.hadoop.hbase.filter">ByteArrayComparable</a> comparator, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Put.html" title="class in org.apache.hadoop.hbase.client">Put</a> put, |
| boolean result)</code> |
| <div class="block">Called before checkAndPut but after acquiring rowlock.</div> |
| </td> |
| </tr> |
| <tr id="i40" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preClose-org.apache.hadoop.hbase.coprocessor.ObserverContext-boolean-">preClose</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| boolean abortRequested)</code> |
| <div class="block">Called before the region is reported as closed to the master.</div> |
| </td> |
| </tr> |
| <tr id="i41" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preCommitStoreFile-org.apache.hadoop.hbase.coprocessor.ObserverContext-byte:A-java.util.List-">preCommitStoreFile</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| byte[] family, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><org.apache.hadoop.fs.Path,org.apache.hadoop.fs.Path>> pairs)</code> |
| <div class="block">Called before moving bulk loaded hfile to region directory.</div> |
| </td> |
| </tr> |
| <tr id="i42" class="altColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preCompact-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.InternalScanner-org.apache.hadoop.hbase.regionserver.ScanType-org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker-org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest-">preCompact</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> scanner, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScanType.html" title="enum in org.apache.hadoop.hbase.regionserver">ScanType</a> scanType, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionLifeCycleTracker</a> tracker, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionRequest.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionRequest</a> request)</code> |
| <div class="block">Called prior to writing the <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver"><code>StoreFile</code></a>s selected for compaction into a new |
| <code>StoreFile</code>.</div> |
| </td> |
| </tr> |
| <tr id="i43" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preCompactScannerOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.ScanType-org.apache.hadoop.hbase.regionserver.ScanOptions-org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker-org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest-">preCompactScannerOpen</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScanType.html" title="enum in org.apache.hadoop.hbase.regionserver">ScanType</a> scanType, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScanOptions.html" title="interface in org.apache.hadoop.hbase.regionserver">ScanOptions</a> options, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionLifeCycleTracker</a> tracker, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionRequest.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionRequest</a> request)</code> |
| <div class="block">Called before we open store scanner for compaction.</div> |
| </td> |
| </tr> |
| <tr id="i44" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preCompactSelection-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-java.util.List-org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker-">preCompactSelection</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><? extends <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFile</a>> candidates, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionLifeCycleTracker</a> tracker)</code> |
| <div class="block">Called prior to selecting the <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver"><code>StoreFiles</code></a> to compact from the list of |
| available candidates.</div> |
| </td> |
| </tr> |
| <tr id="i45" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preDelete-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Delete-org.apache.hadoop.hbase.wal.WALEdit-org.apache.hadoop.hbase.client.Durability-">preDelete</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Delete.html" title="class in org.apache.hadoop.hbase.client">Delete</a> delete, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a> edit, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a> durability)</code> |
| <div class="block">Called before the client deletes a value.</div> |
| </td> |
| </tr> |
| <tr id="i46" class="altColor"> |
| <td class="colFirst"><code>default boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preExists-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Get-boolean-">preExists</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> get, |
| boolean exists)</code> |
| <div class="block">Called before the client tests for existence using a Get.</div> |
| </td> |
| </tr> |
| <tr id="i47" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preFlush-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker-">preFlush</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a> tracker)</code> |
| <div class="block">Called before the memstore is flushed to disk.</div> |
| </td> |
| </tr> |
| <tr id="i48" class="altColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preFlush-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.InternalScanner-org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker-">preFlush</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> scanner, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a> tracker)</code> |
| <div class="block">Called before a Store's memstore is flushed to disk.</div> |
| </td> |
| </tr> |
| <tr id="i49" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preFlushScannerOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.ScanOptions-org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker-">preFlushScannerOpen</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScanOptions.html" title="interface in org.apache.hadoop.hbase.regionserver">ScanOptions</a> options, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a> tracker)</code> |
| <div class="block">Called before we open store scanner for flush.</div> |
| </td> |
| </tr> |
| <tr id="i50" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preGetOp-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Get-java.util.List-">preGetOp</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> get, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> result)</code> |
| <div class="block">Called before the client performs a Get</div> |
| </td> |
| </tr> |
| <tr id="i51" class="rowColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preIncrement-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Increment-">preIncrement</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Increment.html" title="class in org.apache.hadoop.hbase.client">Increment</a> increment)</code> |
| <div class="block">Called before Increment.</div> |
| </td> |
| </tr> |
| <tr id="i52" class="altColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preIncrementAfterRowLock-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Increment-">preIncrementAfterRowLock</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Increment.html" title="class in org.apache.hadoop.hbase.client">Increment</a> increment)</code> |
| <div class="block">Called before Increment but after acquiring rowlock.</div> |
| </td> |
| </tr> |
| <tr id="i53" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preMemStoreCompaction-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-">preMemStoreCompaction</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store)</code> |
| <div class="block">Called before in memory compaction started.</div> |
| </td> |
| </tr> |
| <tr id="i54" class="altColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preMemStoreCompactionCompact-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.InternalScanner-">preMemStoreCompactionCompact</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> scanner)</code> |
| <div class="block">Called before we do in memory compaction.</div> |
| </td> |
| </tr> |
| <tr id="i55" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preMemStoreCompactionCompactScannerOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.ScanOptions-">preMemStoreCompactionCompactScannerOpen</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScanOptions.html" title="interface in org.apache.hadoop.hbase.regionserver">ScanOptions</a> options)</code> |
| <div class="block">Called before we open store scanner for in memory compaction.</div> |
| </td> |
| </tr> |
| <tr id="i56" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-">preOpen</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c)</code> |
| <div class="block">Called before the region is reported as open to the master.</div> |
| </td> |
| </tr> |
| <tr id="i57" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#prePrepareTimeStampForDeleteVersion-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Mutation-org.apache.hadoop.hbase.Cell-byte:A-org.apache.hadoop.hbase.client.Get-">prePrepareTimeStampForDeleteVersion</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a> mutation, |
| <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell, |
| byte[] byteNow, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> get)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">Since hbase-2.0.0. No replacement. To be removed in hbase-3.0.0 and replaced |
| with something that doesn't expose IntefaceAudience.Private classes.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i58" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#prePut-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Put-org.apache.hadoop.hbase.wal.WALEdit-org.apache.hadoop.hbase.client.Durability-">prePut</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Put.html" title="class in org.apache.hadoop.hbase.client">Put</a> put, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a> edit, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a> durability)</code> |
| <div class="block">Called before the client stores a value.</div> |
| </td> |
| </tr> |
| <tr id="i59" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preReplayWALs-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.RegionInfo-org.apache.hadoop.fs.Path-">preReplayWALs</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> info, |
| org.apache.hadoop.fs.Path edits)</code> |
| <div class="block">Called before replaying WALs for this region.</div> |
| </td> |
| </tr> |
| <tr id="i60" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preScannerClose-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.InternalScanner-">preScannerClose</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> s)</code> |
| <div class="block">Called before the client closes a scanner.</div> |
| </td> |
| </tr> |
| <tr id="i61" class="rowColor"> |
| <td class="colFirst"><code>default boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preScannerNext-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.InternalScanner-java.util.List-int-boolean-">preScannerNext</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> s, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>> result, |
| int limit, |
| boolean hasNext)</code> |
| <div class="block">Called before the client asks for the next row on a scanner.</div> |
| </td> |
| </tr> |
| <tr id="i62" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preScannerOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Scan-">preScannerOpen</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan)</code> |
| <div class="block">Called before the client opens a new scanner.</div> |
| </td> |
| </tr> |
| <tr id="i63" class="rowColor"> |
| <td class="colFirst"><code>default <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileReader.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileReader</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preStoreFileReaderOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.io.FSDataInputStreamWrapper-long-org.apache.hadoop.hbase.io.hfile.CacheConfig-org.apache.hadoop.hbase.io.Reference-org.apache.hadoop.hbase.regionserver.StoreFileReader-">preStoreFileReaderOpen</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path p, |
| <a href="../../../../../org/apache/hadoop/hbase/io/FSDataInputStreamWrapper.html" title="class in org.apache.hadoop.hbase.io">FSDataInputStreamWrapper</a> in, |
| long size, |
| <a href="../../../../../org/apache/hadoop/hbase/io/hfile/CacheConfig.html" title="class in org.apache.hadoop.hbase.io.hfile">CacheConfig</a> cacheConf, |
| <a href="../../../../../org/apache/hadoop/hbase/io/Reference.html" title="class in org.apache.hadoop.hbase.io">Reference</a> r, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileReader.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileReader</a> reader)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="block"><span class="deprecationComment">For Phoenix only, StoreFileReader is not a stable interface.</span></div> |
| </div> |
| </td> |
| </tr> |
| <tr id="i64" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preStoreScannerOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.ScanOptions-">preStoreScannerOpen</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScanOptions.html" title="interface in org.apache.hadoop.hbase.regionserver">ScanOptions</a> options)</code> |
| <div class="block">Called before a store opens a new scanner.</div> |
| </td> |
| </tr> |
| <tr id="i65" class="rowColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preWALAppend-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.wal.WALKey-org.apache.hadoop.hbase.wal.WALEdit-">preWALAppend</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html" title="interface in org.apache.hadoop.hbase.wal">WALKey</a> key, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a> edit)</code> |
| <div class="block">Called just before the WAL Entry is appended to the WAL.</div> |
| </td> |
| </tr> |
| <tr id="i66" class="altColor"> |
| <td class="colFirst"><code>default void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preWALRestore-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.RegionInfo-org.apache.hadoop.hbase.wal.WALKey-org.apache.hadoop.hbase.wal.WALEdit-">preWALRestore</a></span>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> info, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html" title="interface in org.apache.hadoop.hbase.wal">WALKey</a> logKey, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a> logEdit)</code> |
| <div class="block">Called before a <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal"><code>WALEdit</code></a> |
| replayed for this region.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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| <h3>Method Detail</h3> |
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| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.112">preOpen</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before the region is reported as open to the master.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
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| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.118">postOpen</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c)</pre> |
| <div class="block">Called after the region is reported as open to the master.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preFlush-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker-"> |
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| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.125">preFlush</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a> tracker) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before the memstore is flushed to disk.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>tracker</code> - tracker used to track the life cycle of a flush</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preFlushScannerOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.ScanOptions-org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker-"> |
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| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.135">preFlushScannerOpen</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScanOptions.html" title="interface in org.apache.hadoop.hbase.regionserver">ScanOptions</a> options, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a> tracker) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before we open store scanner for flush. You can use the <code>options</code> to change max |
| versions and TTL for the scanner being opened.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>store</code> - the store where flush is being requested</dd> |
| <dd><code>options</code> - used to change max versions and TTL for the scanner being opened</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
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| <a name="preFlush-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.InternalScanner-org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker-"> |
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| <pre>default <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.147">preFlush</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> scanner, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a> tracker) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before a Store's memstore is flushed to disk.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>store</code> - the store where flush is being requested</dd> |
| <dd><code>scanner</code> - the scanner over existing data used in the memstore</dd> |
| <dd><code>tracker</code> - tracker used to track the life cycle of a flush</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the scanner to use during flush. Should not be <code>null</code> unless the implementation |
| is writing new store files on its own.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
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| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.158">postFlush</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a> tracker) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after the memstore is flushed to disk.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>tracker</code> - tracker used to track the life cycle of a flush</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if an error occurred on the coprocessor</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postFlush-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.StoreFile-org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker-"> |
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| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.168">postFlush</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFile</a> resultFile, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a> tracker) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after a Store's memstore is flushed to disk.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>store</code> - the store being flushed</dd> |
| <dd><code>resultFile</code> - the new store file written out during compaction</dd> |
| <dd><code>tracker</code> - tracker used to track the life cycle of a flush</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preMemStoreCompaction-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-"> |
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| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.176">preMemStoreCompaction</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before in memory compaction started.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>store</code> - the store where in memory compaction is being requested</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preMemStoreCompactionCompactScannerOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.ScanOptions-"> |
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| <h4>preMemStoreCompactionCompactScannerOpen</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.188">preMemStoreCompactionCompactScannerOpen</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScanOptions.html" title="interface in org.apache.hadoop.hbase.regionserver">ScanOptions</a> options) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before we open store scanner for in memory compaction. You can use the <code>options</code> |
| to change max versions and TTL for the scanner being opened. Notice that this method will only |
| be called when you use <code>eager</code> mode. For <code>basic</code> mode we will not drop any cells |
| thus we do not open a store scanner.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>store</code> - the store where in memory compaction is being requested</dd> |
| <dd><code>options</code> - used to change max versions and TTL for the scanner being opened</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preMemStoreCompactionCompact-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.InternalScanner-"> |
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| <h4>preMemStoreCompactionCompact</h4> |
| <pre>default <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.201">preMemStoreCompactionCompact</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> scanner) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before we do in memory compaction. Notice that this method will only be called when you |
| use <code>eager</code> mode. For <code>basic</code> mode we will not drop any cells thus there is no |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver"><code>InternalScanner</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>store</code> - the store where in memory compaction is being executed</dd> |
| <dd><code>scanner</code> - the scanner over existing data used in the memstore segments being compact</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the scanner to use during in memory compaction. Must be non-null.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postMemStoreCompaction-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-"> |
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| <h4>postMemStoreCompaction</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.212">postMemStoreCompaction</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after the in memory compaction is finished.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>store</code> - the store where in memory compaction is being executed</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preCompactSelection-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-java.util.List-org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker-"> |
| <!-- --> |
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| <h4>preCompactSelection</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.227">preCompactSelection</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><? extends <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFile</a>> candidates, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionLifeCycleTracker</a> tracker) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called prior to selecting the <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver"><code>StoreFiles</code></a> to compact from the list of |
| available candidates. To alter the files used for compaction, you may mutate the passed in list |
| of candidates. If you remove all the candidates then the compaction will be canceled. |
| <p>Supports Coprocessor 'bypass' -- 'bypass' is how this method indicates that it changed |
| the passed in <code>candidates</code>. |
| If 'bypass' is set, we skip out on calling any subsequent chained coprocessors.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>store</code> - the store where compaction is being requested</dd> |
| <dd><code>candidates</code> - the store files currently available for compaction</dd> |
| <dd><code>tracker</code> - tracker used to track the life cycle of a compaction</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postCompactSelection-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-java.util.List-org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker-org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest-"> |
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| <h4>postCompactSelection</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.240">postCompactSelection</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><? extends <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFile</a>> selected, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionLifeCycleTracker</a> tracker, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionRequest.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionRequest</a> request)</pre> |
| <div class="block">Called after the <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver"><code>StoreFile</code></a>s to compact have been selected from the available |
| candidates.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>store</code> - the store being compacted</dd> |
| <dd><code>selected</code> - the store files selected to compact</dd> |
| <dd><code>tracker</code> - tracker used to track the life cycle of a compaction</dd> |
| <dd><code>request</code> - the requested compaction</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preCompactScannerOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.ScanType-org.apache.hadoop.hbase.regionserver.ScanOptions-org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker-org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest-"> |
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| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.254">preCompactScannerOpen</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScanType.html" title="enum in org.apache.hadoop.hbase.regionserver">ScanType</a> scanType, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScanOptions.html" title="interface in org.apache.hadoop.hbase.regionserver">ScanOptions</a> options, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionLifeCycleTracker</a> tracker, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionRequest.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionRequest</a> request) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before we open store scanner for compaction. You can use the <code>options</code> to change max |
| versions and TTL for the scanner being opened.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>store</code> - the store being compacted</dd> |
| <dd><code>scanType</code> - type of Scan</dd> |
| <dd><code>options</code> - used to change max versions and TTL for the scanner being opened</dd> |
| <dd><code>tracker</code> - tracker used to track the life cycle of a compaction</dd> |
| <dd><code>request</code> - the requested compaction</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preCompact-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.InternalScanner-org.apache.hadoop.hbase.regionserver.ScanType-org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker-org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest-"> |
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| <pre>default <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.275">preCompact</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> scanner, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScanType.html" title="enum in org.apache.hadoop.hbase.regionserver">ScanType</a> scanType, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionLifeCycleTracker</a> tracker, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionRequest.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionRequest</a> request) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called prior to writing the <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver"><code>StoreFile</code></a>s selected for compaction into a new |
| <code>StoreFile</code>. |
| <p> |
| To override or modify the compaction process, implementing classes can wrap the provided |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver"><code>InternalScanner</code></a> with a custom implementation that is returned from this method. The |
| custom scanner can then inspect <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase"><code>Cell</code></a>s from the wrapped scanner, |
| applying its own policy to what gets written.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>store</code> - the store being compacted</dd> |
| <dd><code>scanner</code> - the scanner over existing data used in the store file rewriting</dd> |
| <dd><code>scanType</code> - type of Scan</dd> |
| <dd><code>tracker</code> - tracker used to track the life cycle of a compaction</dd> |
| <dd><code>request</code> - the requested compaction</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the scanner to use during compaction. Should not be <code>null</code> unless the |
| implementation is writing new store files on its own.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postCompact-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.StoreFile-org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker-org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest-"> |
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| <h4>postCompact</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.289">postCompact</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFile</a> resultFile, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionLifeCycleTracker</a> tracker, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/compactions/CompactionRequest.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionRequest</a> request) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after compaction has completed and the new store file has been moved in to place.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>store</code> - the store being compacted</dd> |
| <dd><code>resultFile</code> - the new store file written out during compaction</dd> |
| <dd><code>tracker</code> - used to track the life cycle of a compaction</dd> |
| <dd><code>request</code> - the requested compaction</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preClose-org.apache.hadoop.hbase.coprocessor.ObserverContext-boolean-"> |
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| <h4>preClose</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.298">preClose</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| boolean abortRequested) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before the region is reported as closed to the master.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>abortRequested</code> - true if the region server is aborting</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postClose-org.apache.hadoop.hbase.coprocessor.ObserverContext-boolean-"> |
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| <h4>postClose</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.306">postClose</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| boolean abortRequested)</pre> |
| <div class="block">Called after the region is reported as closed to the master.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>abortRequested</code> - true if the region server is aborting</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preGetOp-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Get-java.util.List-"> |
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| <h4>preGetOp</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.319">preGetOp</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> get, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> result) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before the client performs a Get |
| <p> |
| Call CoprocessorEnvironment#bypass to skip default actions. |
| If 'bypass' is set, we skip out on calling any subsequent chained coprocessors.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>get</code> - the Get request</dd> |
| <dd><code>result</code> - The result to return to the client if default processing |
| is bypassed. Can be modified. Will not be used if default processing |
| is not bypassed.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postGetOp-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Get-java.util.List-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>postGetOp</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.331">postGetOp</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> get, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> result) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after the client performs a Get |
| <p> |
| Note: Do not retain references to any Cells in 'result' beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>get</code> - the Get request</dd> |
| <dd><code>result</code> - the result to return to the client, modify as necessary</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preExists-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Get-boolean-"> |
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| <h4>preExists</h4> |
| <pre>default boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.344">preExists</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> get, |
| boolean exists) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before the client tests for existence using a Get. |
| <p> |
| Call CoprocessorEnvironment#bypass to skip default actions. |
| If 'bypass' is set, we skip out on calling any subsequent chained coprocessors.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>get</code> - the Get request</dd> |
| <dd><code>exists</code> - the result returned by the region server</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the value to return to the client if bypassing default processing</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postExists-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Get-boolean-"> |
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| <h4>postExists</h4> |
| <pre>default boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.356">postExists</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> get, |
| boolean exists) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after the client tests for existence using a Get.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>get</code> - the Get request</dd> |
| <dd><code>exists</code> - the result returned by the region server</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the result to return to the client</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="prePut-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Put-org.apache.hadoop.hbase.wal.WALEdit-org.apache.hadoop.hbase.client.Durability-"> |
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| <h4>prePut</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.374">prePut</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Put.html" title="class in org.apache.hadoop.hbase.client">Put</a> put, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a> edit, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a> durability) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before the client stores a value. |
| <p> |
| Call CoprocessorEnvironment#bypass to skip default actions. |
| If 'bypass' is set, we skip out on calling any subsequent chained coprocessors. |
| <p> |
| Note: Do not retain references to any Cells in 'put' beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>put</code> - The Put object</dd> |
| <dd><code>edit</code> - The WALEdit object that will be written to the wal</dd> |
| <dd><code>durability</code> - Persistence guarantee for this Put</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postPut-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Put-org.apache.hadoop.hbase.wal.WALEdit-org.apache.hadoop.hbase.client.Durability-"> |
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| <h4>postPut</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.387">postPut</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Put.html" title="class in org.apache.hadoop.hbase.client">Put</a> put, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a> edit, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a> durability) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after the client stores a value. |
| <p> |
| Note: Do not retain references to any Cells in 'put' beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>put</code> - The Put object</dd> |
| <dd><code>edit</code> - The WALEdit object for the wal</dd> |
| <dd><code>durability</code> - Persistence guarantee for this Put</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preDelete-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Delete-org.apache.hadoop.hbase.wal.WALEdit-org.apache.hadoop.hbase.client.Durability-"> |
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| <h4>preDelete</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.403">preDelete</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Delete.html" title="class in org.apache.hadoop.hbase.client">Delete</a> delete, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a> edit, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a> durability) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before the client deletes a value. |
| <p> |
| Call CoprocessorEnvironment#bypass to skip default actions. |
| If 'bypass' is set, we skip out on calling any subsequent chained coprocessors. |
| <p> |
| Note: Do not retain references to any Cells in 'delete' beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>delete</code> - The Delete object</dd> |
| <dd><code>edit</code> - The WALEdit object for the wal</dd> |
| <dd><code>durability</code> - Persistence guarantee for this Delete</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="prePrepareTimeStampForDeleteVersion-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Mutation-org.apache.hadoop.hbase.Cell-byte:A-org.apache.hadoop.hbase.client.Get-"> |
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| <h4>prePrepareTimeStampForDeleteVersion</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.421">prePrepareTimeStampForDeleteVersion</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a> mutation, |
| <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell, |
| byte[] byteNow, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> get) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">Since hbase-2.0.0. No replacement. To be removed in hbase-3.0.0 and replaced |
| with something that doesn't expose IntefaceAudience.Private classes.</span></div> |
| <div class="block">Called before the server updates the timestamp for version delete with latest timestamp. |
| <p> |
| Call CoprocessorEnvironment#bypass to skip default actions. |
| If 'bypass' is set, we skip out on calling any subsequent chained coprocessors.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>mutation</code> - - the parent mutation associated with this delete cell</dd> |
| <dd><code>cell</code> - - The deleteColumn with latest version cell</dd> |
| <dd><code>byteNow</code> - - timestamp bytes</dd> |
| <dd><code>get</code> - - the get formed using the current cell's row. Note that the get does not specify |
| the family and qualifier</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postDelete-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Delete-org.apache.hadoop.hbase.wal.WALEdit-org.apache.hadoop.hbase.client.Durability-"> |
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| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.434">postDelete</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Delete.html" title="class in org.apache.hadoop.hbase.client">Delete</a> delete, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a> edit, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Durability.html" title="enum in org.apache.hadoop.hbase.client">Durability</a> durability) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after the client deletes a value. |
| <p> |
| Note: Do not retain references to any Cells in 'delete' beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>delete</code> - The Delete object</dd> |
| <dd><code>edit</code> - The WALEdit object for the wal</dd> |
| <dd><code>durability</code> - Persistence guarantee for this Delete</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preBatchMutate-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.MiniBatchOperationInProgress-"> |
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| <h4>preBatchMutate</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.449">preBatchMutate</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/MiniBatchOperationInProgress.html" title="class in org.apache.hadoop.hbase.regionserver">MiniBatchOperationInProgress</a><<a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a>> miniBatchOp) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">This will be called for every batch mutation operation happening at the server. This will be |
| called after acquiring the locks on the mutating rows and after applying the proper timestamp |
| for each Mutation at the server. The batch may contain Put/Delete. By setting OperationStatus |
| of Mutations (<a href="../../../../../org/apache/hadoop/hbase/regionserver/MiniBatchOperationInProgress.html#setOperationStatus-int-org.apache.hadoop.hbase.regionserver.OperationStatus-"><code>MiniBatchOperationInProgress.setOperationStatus(int, OperationStatus)</code></a>), |
| <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor"><code>RegionObserver</code></a> can make Region to skip these Mutations. |
| <p> |
| Note: Do not retain references to any Cells in Mutations beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>miniBatchOp</code> - batch of Mutations getting applied to region.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postBatchMutate-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.MiniBatchOperationInProgress-"> |
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| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.466">postBatchMutate</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/MiniBatchOperationInProgress.html" title="class in org.apache.hadoop.hbase.regionserver">MiniBatchOperationInProgress</a><<a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a>> miniBatchOp) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">This will be called after applying a batch of Mutations on a region. The Mutations are added to |
| memstore and WAL. The difference of this one with |
| <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postPut-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Put-org.apache.hadoop.hbase.wal.WALEdit-org.apache.hadoop.hbase.client.Durability-"><code>postPut(ObserverContext, Put, WALEdit, Durability)</code></a> |
| and <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postDelete-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Delete-org.apache.hadoop.hbase.wal.WALEdit-org.apache.hadoop.hbase.client.Durability-"><code>postDelete(ObserverContext, Delete, WALEdit, Durability)</code></a> is |
| this hook will be executed before the mvcc transaction completion. |
| <p> |
| Note: Do not retain references to any Cells in Mutations beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>miniBatchOp</code> - batch of Mutations applied to region. Coprocessors are discouraged from |
| manipulating its state.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postStartRegionOperation-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Region.Operation-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>postStartRegionOperation</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.475">postStartRegionOperation</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Region.Operation.html" title="enum in org.apache.hadoop.hbase.regionserver">Region.Operation</a> operation) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">This will be called for region operations where read lock is acquired in |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Region.html#startRegionOperation--"><code>Region.startRegionOperation()</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - </dd> |
| <dd><code>operation</code> - The operation is about to be taken on the region</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postCloseRegionOperation-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Region.Operation-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>postCloseRegionOperation</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.483">postCloseRegionOperation</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Region.Operation.html" title="enum in org.apache.hadoop.hbase.regionserver">Region.Operation</a> operation) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after releasing read lock in <a href="../../../../../org/apache/hadoop/hbase/regionserver/Region.html#closeRegionOperation--"><code>Region.closeRegionOperation()</code></a>.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - </dd> |
| <dd><code>operation</code> - </dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postBatchMutateIndispensably-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.MiniBatchOperationInProgress-boolean-"> |
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| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.496">postBatchMutateIndispensably</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/MiniBatchOperationInProgress.html" title="class in org.apache.hadoop.hbase.regionserver">MiniBatchOperationInProgress</a><<a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a>> miniBatchOp, |
| boolean success) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after the completion of batch put/delete and will be called even if the batch operation |
| fails. |
| <p> |
| Note: Do not retain references to any Cells in Mutations beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - </dd> |
| <dd><code>miniBatchOp</code> - </dd> |
| <dd><code>success</code> - true if batch operation is successful otherwise false.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preCheckAndPut-org.apache.hadoop.hbase.coprocessor.ObserverContext-byte:A-byte:A-byte:A-org.apache.hadoop.hbase.CompareOperator-org.apache.hadoop.hbase.filter.ByteArrayComparable-org.apache.hadoop.hbase.client.Put-boolean-"> |
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| <pre>default boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.518">preCheckAndPut</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| byte[] row, |
| byte[] family, |
| byte[] qualifier, |
| <a href="../../../../../org/apache/hadoop/hbase/CompareOperator.html" title="enum in org.apache.hadoop.hbase">CompareOperator</a> op, |
| <a href="../../../../../org/apache/hadoop/hbase/filter/ByteArrayComparable.html" title="class in org.apache.hadoop.hbase.filter">ByteArrayComparable</a> comparator, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Put.html" title="class in org.apache.hadoop.hbase.client">Put</a> put, |
| boolean result) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before checkAndPut. |
| <p> |
| Call CoprocessorEnvironment#bypass to skip default actions. |
| If 'bypass' is set, we skip out on calling any subsequent chained coprocessors. |
| <p> |
| Note: Do not retain references to any Cells in 'put' beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>row</code> - row to check</dd> |
| <dd><code>family</code> - column family</dd> |
| <dd><code>qualifier</code> - column qualifier</dd> |
| <dd><code>op</code> - the comparison operation</dd> |
| <dd><code>comparator</code> - the comparator</dd> |
| <dd><code>put</code> - data to put if check succeeds</dd> |
| <dd><code>result</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the return value to return to client if bypassing default |
| processing</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preCheckAndPutAfterRowLock-org.apache.hadoop.hbase.coprocessor.ObserverContext-byte:A-byte:A-byte:A-org.apache.hadoop.hbase.CompareOperator-org.apache.hadoop.hbase.filter.ByteArrayComparable-org.apache.hadoop.hbase.client.Put-boolean-"> |
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| <pre>default boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.547">preCheckAndPutAfterRowLock</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| byte[] row, |
| byte[] family, |
| byte[] qualifier, |
| <a href="../../../../../org/apache/hadoop/hbase/CompareOperator.html" title="enum in org.apache.hadoop.hbase">CompareOperator</a> op, |
| <a href="../../../../../org/apache/hadoop/hbase/filter/ByteArrayComparable.html" title="class in org.apache.hadoop.hbase.filter">ByteArrayComparable</a> comparator, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Put.html" title="class in org.apache.hadoop.hbase.client">Put</a> put, |
| boolean result) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before checkAndPut but after acquiring rowlock. |
| <p> |
| <b>Note:</b> Caution to be taken for not doing any long time operation in this hook. |
| Row will be locked for longer time. Trying to acquire lock on another row, within this, |
| can lead to potential deadlock. |
| <p> |
| Call CoprocessorEnvironment#bypass to skip default actions. |
| If 'bypass' is set, we skip out on calling any subsequent chained coprocessors. |
| <p> |
| Note: Do not retain references to any Cells in 'put' beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>row</code> - row to check</dd> |
| <dd><code>family</code> - column family</dd> |
| <dd><code>qualifier</code> - column qualifier</dd> |
| <dd><code>op</code> - the comparison operation</dd> |
| <dd><code>comparator</code> - the comparator</dd> |
| <dd><code>put</code> - data to put if check succeeds</dd> |
| <dd><code>result</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the return value to return to client if bypassing default |
| processing</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
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| byte[] row, |
| byte[] family, |
| byte[] qualifier, |
| <a href="../../../../../org/apache/hadoop/hbase/CompareOperator.html" title="enum in org.apache.hadoop.hbase">CompareOperator</a> op, |
| <a href="../../../../../org/apache/hadoop/hbase/filter/ByteArrayComparable.html" title="class in org.apache.hadoop.hbase.filter">ByteArrayComparable</a> comparator, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Put.html" title="class in org.apache.hadoop.hbase.client">Put</a> put, |
| boolean result) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after checkAndPut |
| <p> |
| Note: Do not retain references to any Cells in 'put' beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>row</code> - row to check</dd> |
| <dd><code>family</code> - column family</dd> |
| <dd><code>qualifier</code> - column qualifier</dd> |
| <dd><code>op</code> - the comparison operation</dd> |
| <dd><code>comparator</code> - the comparator</dd> |
| <dd><code>put</code> - data to put if check succeeds</dd> |
| <dd><code>result</code> - from the checkAndPut</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the possibly transformed return value to return to client</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
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| <a name="preCheckAndDelete-org.apache.hadoop.hbase.coprocessor.ObserverContext-byte:A-byte:A-byte:A-org.apache.hadoop.hbase.CompareOperator-org.apache.hadoop.hbase.filter.ByteArrayComparable-org.apache.hadoop.hbase.client.Delete-boolean-"> |
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| <pre>default boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.592">preCheckAndDelete</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| byte[] row, |
| byte[] family, |
| byte[] qualifier, |
| <a href="../../../../../org/apache/hadoop/hbase/CompareOperator.html" title="enum in org.apache.hadoop.hbase">CompareOperator</a> op, |
| <a href="../../../../../org/apache/hadoop/hbase/filter/ByteArrayComparable.html" title="class in org.apache.hadoop.hbase.filter">ByteArrayComparable</a> comparator, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Delete.html" title="class in org.apache.hadoop.hbase.client">Delete</a> delete, |
| boolean result) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before checkAndDelete. |
| <p> |
| Call CoprocessorEnvironment#bypass to skip default actions. |
| If 'bypass' is set, we skip out on calling any subsequent chained coprocessors. |
| <p> |
| Note: Do not retain references to any Cells in 'delete' beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>row</code> - row to check</dd> |
| <dd><code>family</code> - column family</dd> |
| <dd><code>qualifier</code> - column qualifier</dd> |
| <dd><code>op</code> - the comparison operation</dd> |
| <dd><code>comparator</code> - the comparator</dd> |
| <dd><code>delete</code> - delete to commit if check succeeds</dd> |
| <dd><code>result</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the value to return to client if bypassing default processing</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
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| <a name="preCheckAndDeleteAfterRowLock-org.apache.hadoop.hbase.coprocessor.ObserverContext-byte:A-byte:A-byte:A-org.apache.hadoop.hbase.CompareOperator-org.apache.hadoop.hbase.filter.ByteArrayComparable-org.apache.hadoop.hbase.client.Delete-boolean-"> |
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| <h4>preCheckAndDeleteAfterRowLock</h4> |
| <pre>default boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.620">preCheckAndDeleteAfterRowLock</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| byte[] row, |
| byte[] family, |
| byte[] qualifier, |
| <a href="../../../../../org/apache/hadoop/hbase/CompareOperator.html" title="enum in org.apache.hadoop.hbase">CompareOperator</a> op, |
| <a href="../../../../../org/apache/hadoop/hbase/filter/ByteArrayComparable.html" title="class in org.apache.hadoop.hbase.filter">ByteArrayComparable</a> comparator, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Delete.html" title="class in org.apache.hadoop.hbase.client">Delete</a> delete, |
| boolean result) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before checkAndDelete but after acquiring rowock. |
| <p> |
| <b>Note:</b> Caution to be taken for not doing any long time operation in this hook. |
| Row will be locked for longer time. Trying to acquire lock on another row, within this, |
| can lead to potential deadlock. |
| <p> |
| Call CoprocessorEnvironment#bypass to skip default actions. |
| If 'bypass' is set, we skip out on calling any subsequent chained coprocessors. |
| <p> |
| Note: Do not retain references to any Cells in 'delete' beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>row</code> - row to check</dd> |
| <dd><code>family</code> - column family</dd> |
| <dd><code>qualifier</code> - column qualifier</dd> |
| <dd><code>op</code> - the comparison operation</dd> |
| <dd><code>comparator</code> - the comparator</dd> |
| <dd><code>delete</code> - delete to commit if check succeeds</dd> |
| <dd><code>result</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the value to return to client if bypassing default processing</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postCheckAndDelete-org.apache.hadoop.hbase.coprocessor.ObserverContext-byte:A-byte:A-byte:A-org.apache.hadoop.hbase.CompareOperator-org.apache.hadoop.hbase.filter.ByteArrayComparable-org.apache.hadoop.hbase.client.Delete-boolean-"> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>postCheckAndDelete</h4> |
| <pre>default boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.641">postCheckAndDelete</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| byte[] row, |
| byte[] family, |
| byte[] qualifier, |
| <a href="../../../../../org/apache/hadoop/hbase/CompareOperator.html" title="enum in org.apache.hadoop.hbase">CompareOperator</a> op, |
| <a href="../../../../../org/apache/hadoop/hbase/filter/ByteArrayComparable.html" title="class in org.apache.hadoop.hbase.filter">ByteArrayComparable</a> comparator, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Delete.html" title="class in org.apache.hadoop.hbase.client">Delete</a> delete, |
| boolean result) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after checkAndDelete |
| <p> |
| Note: Do not retain references to any Cells in 'delete' beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>row</code> - row to check</dd> |
| <dd><code>family</code> - column family</dd> |
| <dd><code>qualifier</code> - column qualifier</dd> |
| <dd><code>op</code> - the comparison operation</dd> |
| <dd><code>comparator</code> - the comparator</dd> |
| <dd><code>delete</code> - delete to commit if check succeeds</dd> |
| <dd><code>result</code> - from the CheckAndDelete</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the possibly transformed returned value to return to client</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preAppend-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Append-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>preAppend</h4> |
| <pre>default <a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.659">preAppend</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Append.html" title="class in org.apache.hadoop.hbase.client">Append</a> append) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before Append. |
| <p> |
| Call CoprocessorEnvironment#bypass to skip default actions. |
| If 'bypass' is set, we skip out on calling any subsequent chained coprocessors. |
| <p> |
| Note: Do not retain references to any Cells in 'append' beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>append</code> - Append object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>result to return to the client if bypassing default processing</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preAppendAfterRowLock-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Append-"> |
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| <ul class="blockList"> |
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| <h4>preAppendAfterRowLock</h4> |
| <pre>default <a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.680">preAppendAfterRowLock</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Append.html" title="class in org.apache.hadoop.hbase.client">Append</a> append) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before Append but after acquiring rowlock. |
| <p> |
| <b>Note:</b> Caution to be taken for not doing any long time operation in this hook. |
| Row will be locked for longer time. Trying to acquire lock on another row, within this, |
| can lead to potential deadlock. |
| <p> |
| Call CoprocessorEnvironment#bypass to skip default actions. |
| If 'bypass' is set, we skip out on calling any subsequent chained coprocessors. |
| <p> |
| Note: Do not retain references to any Cells in 'append' beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>append</code> - Append object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>result to return to the client if bypassing default processing</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postAppend-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Append-org.apache.hadoop.hbase.client.Result-"> |
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| <h4>postAppend</h4> |
| <pre>default <a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.695">postAppend</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Append.html" title="class in org.apache.hadoop.hbase.client">Append</a> append, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> result) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after Append |
| <p> |
| Note: Do not retain references to any Cells in 'append' beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>append</code> - Append object</dd> |
| <dd><code>result</code> - the result returned by increment</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the result to return to the client</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preIncrement-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Increment-"> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>preIncrement</h4> |
| <pre>default <a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.712">preIncrement</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Increment.html" title="class in org.apache.hadoop.hbase.client">Increment</a> increment) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before Increment. |
| <p> |
| Call CoprocessorEnvironment#bypass to skip default actions. |
| If 'bypass' is set, we skip out on calling any subsequent chained coprocessors. |
| <p> |
| Note: Do not retain references to any Cells in 'increment' beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>increment</code> - increment object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>result to return to the client if bypassing default processing</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preIncrementAfterRowLock-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Increment-"> |
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| <ul class="blockList"> |
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| <h4>preIncrementAfterRowLock</h4> |
| <pre>default <a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.737">preIncrementAfterRowLock</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Increment.html" title="class in org.apache.hadoop.hbase.client">Increment</a> increment) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before Increment but after acquiring rowlock. |
| <p> |
| <b>Note:</b> Caution to be taken for not doing any long time operation in this hook. |
| Row will be locked for longer time. Trying to acquire lock on another row, within this, |
| can lead to potential deadlock. |
| <p> |
| Call CoprocessorEnvironment#bypass to skip default actions. |
| If 'bypass' is set, we skip out on calling any subsequent chained coprocessors. |
| <p> |
| Note: Do not retain references to any Cells in 'increment' beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>increment</code> - increment object</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>result to return to the client if bypassing default processing |
| if an error occurred on the coprocessor</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postIncrement-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Increment-org.apache.hadoop.hbase.client.Result-"> |
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| <h4>postIncrement</h4> |
| <pre>default <a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.752">postIncrement</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Increment.html" title="class in org.apache.hadoop.hbase.client">Increment</a> increment, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a> result) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after increment |
| <p> |
| Note: Do not retain references to any Cells in 'increment' beyond the life of this invocation. |
| If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>increment</code> - increment object</dd> |
| <dd><code>result</code> - the result returned by increment</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the result to return to the client</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preScannerOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Scan-"> |
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| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.765">preScannerOpen</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before the client opens a new scanner. |
| <p> |
| Note: Do not retain references to any Cells returned by scanner, beyond the life of this |
| invocation. If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>scan</code> - the Scan specification</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postScannerOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Scan-org.apache.hadoop.hbase.regionserver.RegionScanner-"> |
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| <h4>postScannerOpen</h4> |
| <pre>default <a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">RegionScanner</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.779">postScannerOpen</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">RegionScanner</a> s) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after the client opens a new scanner. |
| <p> |
| Note: Do not retain references to any Cells returned by scanner, beyond the life of this |
| invocation. If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>scan</code> - the Scan specification</dd> |
| <dd><code>s</code> - if not null, the base scanner</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the scanner instance to use</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preScannerNext-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.InternalScanner-java.util.List-int-boolean-"> |
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| <ul class="blockList"> |
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| <h4>preScannerNext</h4> |
| <pre>default boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.801">preScannerNext</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> s, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>> result, |
| int limit, |
| boolean hasNext) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before the client asks for the next row on a scanner. |
| <p> |
| Call CoprocessorEnvironment#bypass to skip default actions. |
| If 'bypass' is set, we skip out on calling any subsequent chained coprocessors. |
| <p> |
| Note: Do not retain references to any Cells returned by scanner, beyond the life of this |
| invocation. If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>s</code> - the scanner</dd> |
| <dd><code>result</code> - The result to return to the client if default processing |
| is bypassed. Can be modified. Will not be returned if default processing |
| is not bypassed.</dd> |
| <dd><code>limit</code> - the maximum number of results to return</dd> |
| <dd><code>hasNext</code> - the 'has more' indication</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>'has more' indication that should be sent to client</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postScannerNext-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.InternalScanner-java.util.List-int-boolean-"> |
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| <ul class="blockList"> |
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| <h4>postScannerNext</h4> |
| <pre>default boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.818">postScannerNext</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> s, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/client/Result.html" title="class in org.apache.hadoop.hbase.client">Result</a>> result, |
| int limit, |
| boolean hasNext) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after the client asks for the next row on a scanner. |
| <p> |
| Note: Do not retain references to any Cells returned by scanner, beyond the life of this |
| invocation. If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>s</code> - the scanner</dd> |
| <dd><code>result</code> - the result to return to the client, can be modified</dd> |
| <dd><code>limit</code> - the maximum number of results to return</dd> |
| <dd><code>hasNext</code> - the 'has more' indication</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>'has more' indication that should be sent to client</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postScannerFilterRow-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.InternalScanner-org.apache.hadoop.hbase.Cell-boolean-"> |
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| <ul class="blockList"> |
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| <h4>postScannerFilterRow</h4> |
| <pre>default boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.844">postScannerFilterRow</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> s, |
| <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> curRowCell, |
| boolean hasMore) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">This will be called by the scan flow when the current scanned row is being filtered out by the |
| filter. The filter may be filtering out the row via any of the below scenarios |
| <ol> |
| <li> |
| <code>boolean filterRowKey(byte [] buffer, int offset, int length)</code> returning true</li> |
| <li> |
| <code>boolean filterRow()</code> returning true</li> |
| <li> |
| <code>default void filterRow(List<KeyValue> kvs)</code> removing all the kvs from |
| the passed List</li> |
| </ol> |
| <p> |
| Note: Do not retain references to any Cells returned by scanner, beyond the life of this |
| invocation. If need a Cell reference for later use, copy the cell and use that.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>s</code> - the scanner</dd> |
| <dd><code>curRowCell</code> - The cell in the current row which got filtered out</dd> |
| <dd><code>hasMore</code> - the 'has more' indication</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>whether more rows are available for the scanner or not</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preScannerClose-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.InternalScanner-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>preScannerClose</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.857">preScannerClose</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> s) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before the client closes a scanner. |
| <p> |
| Call CoprocessorEnvironment#bypass to skip default actions. |
| If 'bypass' is set, we skip out on calling any subsequent chained coprocessors.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>c</code> - the environment provided by the region server</dd> |
| <dd><code>s</code> - the scanner</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postScannerClose-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.InternalScanner-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>postScannerClose</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.865">postScannerClose</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a> s) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after the client closes a scanner.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the environment provided by the region server</dd> |
| <dd><code>s</code> - the scanner</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preStoreScannerOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.ScanOptions-"> |
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| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>preStoreScannerOpen</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.886">preStoreScannerOpen</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScanOptions.html" title="interface in org.apache.hadoop.hbase.regionserver">ScanOptions</a> options) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before a store opens a new scanner. |
| <p> |
| This hook is called when a "user" scanner is opened. Use <code>preFlushScannerOpen</code> and |
| <code>preCompactScannerOpen</code> to inject flush/compaction. |
| <p> |
| Notice that, this method is used to change the inherent max versions and TTL for a Store. For |
| example, you can change the max versions option for a <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client"><code>Scan</code></a> object to 10 in |
| <code>preScannerOpen</code>, but if the max versions config on the Store is 1, then you still can |
| only read 1 version. You need also to inject here to change the max versions to 10 if you want |
| to get more versions.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the environment provided by the region server</dd> |
| <dd><code>store</code> - the store which we want to get scanner from</dd> |
| <dd><code>options</code> - used to change max versions and TTL for the scanner being opened</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preFlushScannerOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.ScanOptions-org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker-"><code>preFlushScannerOpen(ObserverContext, Store, ScanOptions, FlushLifeCycleTracker)</code></a>, |
| <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#preCompactScannerOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.Store-org.apache.hadoop.hbase.regionserver.ScanType-org.apache.hadoop.hbase.regionserver.ScanOptions-org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker-org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest-"><code>preCompactScannerOpen(ObserverContext, Store, ScanType, ScanOptions, |
| CompactionLifeCycleTracker, CompactionRequest)</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preReplayWALs-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.RegionInfo-org.apache.hadoop.fs.Path-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>preReplayWALs</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.898">preReplayWALs</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> info, |
| org.apache.hadoop.fs.Path edits) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before replaying WALs for this region. |
| Calling <a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html#bypass--"><code>ObserverContext.bypass()</code></a> has no |
| effect in this hook.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the environment provided by the region server</dd> |
| <dd><code>info</code> - the RegionInfo for this region</dd> |
| <dd><code>edits</code> - the file of recovered edits</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postReplayWALs-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.RegionInfo-org.apache.hadoop.fs.Path-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>postReplayWALs</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.907">postReplayWALs</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> info, |
| org.apache.hadoop.fs.Path edits) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after replaying WALs for this region.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the environment provided by the region server</dd> |
| <dd><code>info</code> - the RegionInfo for this region</dd> |
| <dd><code>edits</code> - the file of recovered edits</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preWALRestore-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.RegionInfo-org.apache.hadoop.hbase.wal.WALKey-org.apache.hadoop.hbase.wal.WALEdit-"> |
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| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.915">preWALRestore</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> info, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html" title="interface in org.apache.hadoop.hbase.wal">WALKey</a> logKey, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a> logEdit) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before a <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal"><code>WALEdit</code></a> |
| replayed for this region.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the environment provided by the region server</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
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| <a name="postWALRestore-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.RegionInfo-org.apache.hadoop.hbase.wal.WALKey-org.apache.hadoop.hbase.wal.WALEdit-"> |
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| <h4>postWALRestore</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.923">postWALRestore</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> info, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html" title="interface in org.apache.hadoop.hbase.wal">WALKey</a> logKey, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a> logEdit) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after a <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal"><code>WALEdit</code></a> |
| replayed for this region.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the environment provided by the region server</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
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| <a name="preBulkLoadHFile-org.apache.hadoop.hbase.coprocessor.ObserverContext-java.util.List-"> |
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| <h4>preBulkLoadHFile</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.934">preBulkLoadHFile</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><byte[],<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>>> familyPaths) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before bulkLoadHFile. Users can create a StoreFile instance to |
| access the contents of a HFile.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the environment provided by the region server</dd> |
| <dd><code>familyPaths</code> - pairs of { CF, HFile path } submitted for bulk load. Adding |
| or removing from this list will add or remove HFiles to be bulk loaded.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preCommitStoreFile-org.apache.hadoop.hbase.coprocessor.ObserverContext-byte:A-java.util.List-"> |
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| <h4>preCommitStoreFile</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.945">preCommitStoreFile</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| byte[] family, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><org.apache.hadoop.fs.Path,org.apache.hadoop.fs.Path>> pairs) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called before moving bulk loaded hfile to region directory.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the environment provided by the region server</dd> |
| <dd><code>family</code> - column family</dd> |
| <dd><code>pairs</code> - List of pairs of { HFile location in staging dir, HFile path in region dir } |
| Each pair are for the same hfile.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postCommitStoreFile-org.apache.hadoop.hbase.coprocessor.ObserverContext-byte:A-org.apache.hadoop.fs.Path-org.apache.hadoop.fs.Path-"> |
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| <h4>postCommitStoreFile</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.956">postCommitStoreFile</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| byte[] family, |
| org.apache.hadoop.fs.Path srcPath, |
| org.apache.hadoop.fs.Path dstPath) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after moving bulk loaded hfile to region directory.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the environment provided by the region server</dd> |
| <dd><code>family</code> - column family</dd> |
| <dd><code>srcPath</code> - Path to file before the move</dd> |
| <dd><code>dstPath</code> - Path to file after the move</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postBulkLoadHFile-org.apache.hadoop.hbase.coprocessor.ObserverContext-java.util.List-java.util.Map-"> |
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| <h4>postBulkLoadHFile</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.968">postBulkLoadHFile</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><byte[],<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>>> stagingFamilyPaths, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><byte[],<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><org.apache.hadoop.fs.Path>> finalPaths) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after bulkLoadHFile.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the environment provided by the region server</dd> |
| <dd><code>stagingFamilyPaths</code> - pairs of { CF, HFile path } submitted for bulk load</dd> |
| <dd><code>finalPaths</code> - Map of CF to List of file paths for the loaded files |
| if the Map is not null, the bulkLoad was successful. Otherwise the bulk load failed. |
| bulkload is done by the time this hook is called.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preStoreFileReaderOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.io.FSDataInputStreamWrapper-long-org.apache.hadoop.hbase.io.hfile.CacheConfig-org.apache.hadoop.hbase.io.Reference-org.apache.hadoop.hbase.regionserver.StoreFileReader-"> |
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| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| default <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileReader.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileReader</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.993">preStoreFileReaderOpen</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path p, |
| <a href="../../../../../org/apache/hadoop/hbase/io/FSDataInputStreamWrapper.html" title="class in org.apache.hadoop.hbase.io">FSDataInputStreamWrapper</a> in, |
| long size, |
| <a href="../../../../../org/apache/hadoop/hbase/io/hfile/CacheConfig.html" title="class in org.apache.hadoop.hbase.io.hfile">CacheConfig</a> cacheConf, |
| <a href="../../../../../org/apache/hadoop/hbase/io/Reference.html" title="class in org.apache.hadoop.hbase.io">Reference</a> r, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileReader.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileReader</a> reader) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">For Phoenix only, StoreFileReader is not a stable interface.</span></div> |
| <div class="block">Called before creation of Reader for a store file. |
| Calling <a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html#bypass--"><code>ObserverContext.bypass()</code></a> has no |
| effect in this hook.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the environment provided by the region server</dd> |
| <dd><code>fs</code> - fileystem to read from</dd> |
| <dd><code>p</code> - path to the file</dd> |
| <dd><code>in</code> - <a href="../../../../../org/apache/hadoop/hbase/io/FSDataInputStreamWrapper.html" title="class in org.apache.hadoop.hbase.io"><code>FSDataInputStreamWrapper</code></a></dd> |
| <dd><code>size</code> - Full size of the file</dd> |
| <dd><code>cacheConf</code> - </dd> |
| <dd><code>r</code> - original reference file. This will be not null only when reading a split file.</dd> |
| <dd><code>reader</code> - the base reader, if not <code>null</code>, from previous RegionObserver in the chain</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a Reader instance to use instead of the base reader if overriding |
| default behavior, null otherwise</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postStoreFileReaderOpen-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.fs.FileSystem-org.apache.hadoop.fs.Path-org.apache.hadoop.hbase.io.FSDataInputStreamWrapper-long-org.apache.hadoop.hbase.io.hfile.CacheConfig-org.apache.hadoop.hbase.io.Reference-org.apache.hadoop.hbase.regionserver.StoreFileReader-"> |
| <!-- --> |
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| <ul class="blockList"> |
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| <h4>postStoreFileReaderOpen</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| default <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileReader.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileReader</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.1016">postStoreFileReaderOpen</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| org.apache.hadoop.fs.FileSystem fs, |
| org.apache.hadoop.fs.Path p, |
| <a href="../../../../../org/apache/hadoop/hbase/io/FSDataInputStreamWrapper.html" title="class in org.apache.hadoop.hbase.io">FSDataInputStreamWrapper</a> in, |
| long size, |
| <a href="../../../../../org/apache/hadoop/hbase/io/hfile/CacheConfig.html" title="class in org.apache.hadoop.hbase.io.hfile">CacheConfig</a> cacheConf, |
| <a href="../../../../../org/apache/hadoop/hbase/io/Reference.html" title="class in org.apache.hadoop.hbase.io">Reference</a> r, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/StoreFileReader.html" title="class in org.apache.hadoop.hbase.regionserver">StoreFileReader</a> reader) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">For Phoenix only, StoreFileReader is not a stable interface.</span></div> |
| <div class="block">Called after the creation of Reader for a store file.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the environment provided by the region server</dd> |
| <dd><code>fs</code> - fileystem to read from</dd> |
| <dd><code>p</code> - path to the file</dd> |
| <dd><code>in</code> - <a href="../../../../../org/apache/hadoop/hbase/io/FSDataInputStreamWrapper.html" title="class in org.apache.hadoop.hbase.io"><code>FSDataInputStreamWrapper</code></a></dd> |
| <dd><code>size</code> - Full size of the file</dd> |
| <dd><code>cacheConf</code> - </dd> |
| <dd><code>r</code> - original reference file. This will be not null only when reading a split file.</dd> |
| <dd><code>reader</code> - the base reader instance</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The reader to use</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postMutationBeforeWAL-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.coprocessor.RegionObserver.MutationType-org.apache.hadoop.hbase.client.Mutation-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-"> |
| <!-- --> |
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| <h4>postMutationBeforeWAL</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| default <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.1041">postMutationBeforeWAL</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.MutationType.html" title="enum in org.apache.hadoop.hbase.coprocessor">RegionObserver.MutationType</a> opType, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a> mutation, |
| <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> oldCell, |
| <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> newCell) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">since 2.2.0 and will be removedin 4.0.0. Use |
| <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postIncrementBeforeWAL-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Mutation-java.util.List-"><code>postIncrementBeforeWAL(ObserverContext, Mutation, List)</code></a> or |
| <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postAppendBeforeWAL-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Mutation-java.util.List-"><code>postAppendBeforeWAL(ObserverContext, Mutation, List)</code></a> instead.</span></div> |
| <div class="block">Called after a new cell has been created during an increment operation, but before |
| it is committed to the WAL or memstore. |
| Calling <a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html#bypass--"><code>ObserverContext.bypass()</code></a> has no |
| effect in this hook.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the environment provided by the region server</dd> |
| <dd><code>opType</code> - the operation type</dd> |
| <dd><code>mutation</code> - the current mutation</dd> |
| <dd><code>oldCell</code> - old cell containing previous value</dd> |
| <dd><code>newCell</code> - the new cell containing the computed value</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the new cell, possibly changed</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postIncrementBeforeWAL-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Mutation-java.util.List-"><code>postIncrementBeforeWAL(ObserverContext, Mutation, List)</code></a>, |
| <a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html#postAppendBeforeWAL-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Mutation-java.util.List-"><code>postAppendBeforeWAL(ObserverContext, Mutation, List)</code></a>, |
| <a href="https://issues.apache.org/jira/browse/HBASE-21643">HBASE-21643</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postIncrementBeforeWAL-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Mutation-java.util.List-"> |
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| <h4>postIncrementBeforeWAL</h4> |
| <pre>default <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>,<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>>> <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.1056">postIncrementBeforeWAL</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a> mutation, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>,<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>>> cellPairs) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after a list of new cells has been created during an increment operation, but before |
| they are committed to the WAL or memstore.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the environment provided by the region server</dd> |
| <dd><code>mutation</code> - the current mutation</dd> |
| <dd><code>cellPairs</code> - a list of cell pair. The first cell is old cell which may be null. |
| And the second cell is the new cell.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a list of cell pair, possibly changed.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postAppendBeforeWAL-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.client.Mutation-java.util.List-"> |
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| <h4>postAppendBeforeWAL</h4> |
| <pre>default <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>,<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>>> <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.1078">postAppendBeforeWAL</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/client/Mutation.html" title="class in org.apache.hadoop.hbase.client">Mutation</a> mutation, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a><<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>,<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>>> cellPairs) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called after a list of new cells has been created during an append operation, but before |
| they are committed to the WAL or memstore.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the environment provided by the region server</dd> |
| <dd><code>mutation</code> - the current mutation</dd> |
| <dd><code>cellPairs</code> - a list of cell pair. The first cell is old cell which may be null. |
| And the second cell is the new cell.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a list of cell pair, possibly changed.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="postInstantiateDeleteTracker-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.regionserver.querymatcher.DeleteTracker-"> |
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| <h4>postInstantiateDeleteTracker</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| default <a href="../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/DeleteTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.querymatcher">DeleteTracker</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.1102">postInstantiateDeleteTracker</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/DeleteTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.querymatcher">DeleteTracker</a> delTracker) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> <span class="deprecationComment">Since 2.0 with out any replacement and will be removed in 3.0</span></div> |
| <div class="block">Called after the ScanQueryMatcher creates ScanDeleteTracker. Implementing |
| this hook would help in creating customised DeleteTracker and returning |
| the newly created DeleteTracker |
| <p> |
| Warn: This is used by internal coprocessors. Should not be implemented by user coprocessors</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the environment provided by the region server</dd> |
| <dd><code>delTracker</code> - the deleteTracker that is created by the QueryMatcher</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the Delete Tracker</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="preWALAppend-org.apache.hadoop.hbase.coprocessor.ObserverContext-org.apache.hadoop.hbase.wal.WALKey-org.apache.hadoop.hbase.wal.WALEdit-"> |
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| <h4>preWALAppend</h4> |
| <pre>default void <a href="../../../../../src-html/org/apache/hadoop/hbase/coprocessor/RegionObserver.html#line.1115">preWALAppend</a>(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> ctx, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALKey.html" title="interface in org.apache.hadoop.hbase.wal">WALKey</a> key, |
| <a href="../../../../../org/apache/hadoop/hbase/wal/WALEdit.html" title="class in org.apache.hadoop.hbase.wal">WALEdit</a> edit) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block">Called just before the WAL Entry is appended to the WAL. Implementing this hook allows |
| coprocessors to add extended attributes to the WALKey that then get persisted to the |
| WAL, and are available to replication endpoints to use in processing WAL Entries.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ctx</code> - the environment provided by the region server</dd> |
| <dd><code>key</code> - the WALKey associated with a particular append to a WAL</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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