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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.hadoop.hbase.coprocessor.example</a></div> |
| <h1 title="Class ExampleRegionObserverWithMetrics.ExampleRegionObserver" class="title">Class ExampleRegionObserverWithMetrics.ExampleRegionObserver</h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a> |
| <div class="inheritance">org.apache.hadoop.hbase.coprocessor.example.ExampleRegionObserverWithMetrics.ExampleRegionObserver</div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="../../Coprocessor.html" title="interface in org.apache.hadoop.hbase">Coprocessor</a></code>, <code><a href="../RegionCoprocessor.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessor</a></code>, <code><a href="../RegionObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionObserver</a></code></dd> |
| </dl> |
| <dl class="notes"> |
| <dt>Enclosing class:</dt> |
| <dd><a href="ExampleRegionObserverWithMetrics.html" title="class in org.apache.hadoop.hbase.coprocessor.example">ExampleRegionObserverWithMetrics</a></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">class </span><span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/coprocessor/example/ExampleRegionObserverWithMetrics.html#line-60">ExampleRegionObserverWithMetrics.ExampleRegionObserver</a></span> |
| <span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a> |
| implements <a href="../RegionCoprocessor.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessor</a>, <a href="../RegionObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionObserver</a></span></div> |
| </section> |
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| <h2 id="nested-classes-inherited-from-class-org.apache.hadoop.hbase.Coprocessor">Nested classes/interfaces inherited from interface org.apache.hadoop.hbase.<a href="../../Coprocessor.html" title="interface in org.apache.hadoop.hbase">Coprocessor</a></h2> |
| <code><a href="../../Coprocessor.State.html" title="enum class in org.apache.hadoop.hbase">Coprocessor.State</a></code></div> |
| <div class="inherited-list"> |
| <h2 id="nested-classes-inherited-from-class-org.apache.hadoop.hbase.coprocessor.RegionObserver">Nested classes/interfaces inherited from interface org.apache.hadoop.hbase.coprocessor.<a href="../RegionObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionObserver</a></h2> |
| <code><a href="../RegionObserver.MutationType.html" title="enum class in org.apache.hadoop.hbase.coprocessor">RegionObserver.MutationType</a></code></div> |
| </section> |
| </li> |
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| <h2>Field Summary</h2> |
| <div class="inherited-list"> |
| <h3 id="fields-inherited-from-class-org.apache.hadoop.hbase.Coprocessor">Fields inherited from interface org.apache.hadoop.hbase.<a href="../../Coprocessor.html" title="interface in org.apache.hadoop.hbase">Coprocessor</a></h3> |
| <code><a href="../../Coprocessor.html#PRIORITY_HIGHEST">PRIORITY_HIGHEST</a>, <a href="../../Coprocessor.html#PRIORITY_LOWEST">PRIORITY_LOWEST</a>, <a href="../../Coprocessor.html#PRIORITY_SYSTEM">PRIORITY_SYSTEM</a>, <a href="../../Coprocessor.html#PRIORITY_USER">PRIORITY_USER</a>, <a href="../../Coprocessor.html#VERSION">VERSION</a></code></div> |
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| <h2>Constructor Summary</h2> |
| <div class="caption"><span>Constructors</span></div> |
| <div class="summary-table two-column-summary"> |
| <div class="table-header col-first">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">ExampleRegionObserver</a>()</code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
| <div id="method-summary-table"> |
| <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div> |
| <div id="method-summary-table.tabpanel" role="tabpanel" aria-labelledby="method-summary-table-tab0"> |
| <div class="summary-table three-column-summary"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class or interface in java.util" class="external-link">Optional</a><<a href="../RegionObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionObserver</a>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getRegionObserver()" class="member-name-link">getRegionObserver</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>private void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#performCostlyOperation()" class="member-name-link">performCostlyOperation</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#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)" class="member-name-link">postCompactSelection</a><wbr>(<a href="../ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><? extends <a href="../../regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFile</a>> selected, |
| <a href="../../regionserver/compactions/CompactionLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionLifeCycleTracker</a> tracker, |
| <a href="../../regionserver/compactions/CompactionRequest.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionRequest</a> request)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Called after the <a href="../../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> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#postFlush(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker)" class="member-name-link">postFlush</a><wbr>(<a href="../ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a> tracker)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Called after the memstore is flushed to disk.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#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)" class="member-name-link">postFlush</a><wbr>(<a href="../ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFile</a> resultFile, |
| <a href="../../regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a> tracker)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Called after a Store's memstore is flushed to disk.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#postGetOp(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Get,java.util.List)" class="member-name-link">postGetOp</a><wbr>(<a href="../ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> e, |
| <a href="../../client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> get, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="../../Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> results)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Called after the client performs a Get</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#preGetOp(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Get,java.util.List)" class="member-name-link">preGetOp</a><wbr>(<a href="../ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> e, |
| <a href="../../client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> get, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="../../Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> results)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Called before the client performs a Get</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.hadoop.hbase.Coprocessor">Methods inherited from interface org.apache.hadoop.hbase.<a href="../../Coprocessor.html" title="interface in org.apache.hadoop.hbase">Coprocessor</a></h3> |
| <code><a href="../../Coprocessor.html#getServices()">getServices</a>, <a href="../../Coprocessor.html#start(org.apache.hadoop.hbase.CoprocessorEnvironment)">start</a>, <a href="../../Coprocessor.html#stop(org.apache.hadoop.hbase.CoprocessorEnvironment)">stop</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.hadoop.hbase.coprocessor.RegionCoprocessor">Methods inherited from interface org.apache.hadoop.hbase.coprocessor.<a href="../RegionCoprocessor.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessor</a></h3> |
| <code><a href="../RegionCoprocessor.html#getBulkLoadObserver()">getBulkLoadObserver</a>, <a href="../RegionCoprocessor.html#getEndpointObserver()">getEndpointObserver</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.hadoop.hbase.coprocessor.RegionObserver">Methods inherited from interface org.apache.hadoop.hbase.coprocessor.<a href="../RegionObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionObserver</a></h3> |
| <code><a href="../RegionObserver.html#postAppend(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Append,org.apache.hadoop.hbase.client.Result)">postAppend</a>, <a href="../RegionObserver.html#postAppend(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Append,org.apache.hadoop.hbase.client.Result,org.apache.hadoop.hbase.wal.WALEdit)">postAppend</a>, <a href="../RegionObserver.html#postAppendBeforeWAL(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Mutation,java.util.List)">postAppendBeforeWAL</a>, <a href="../RegionObserver.html#postBatchMutate(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.regionserver.MiniBatchOperationInProgress)">postBatchMutate</a>, <a href="../RegionObserver.html#postBatchMutateIndispensably(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.regionserver.MiniBatchOperationInProgress,boolean)">postBatchMutateIndispensably</a>, <a href="../RegionObserver.html#postBulkLoadHFile(org.apache.hadoop.hbase.coprocessor.ObserverContext,java.util.List,java.util.Map)">postBulkLoadHFile</a>, <a href="../RegionObserver.html#postCheckAndDelete(org.apache.hadoop.hbase.coprocessor.ObserverContext,byte%5B%5D,byte%5B%5D,byte%5B%5D,org.apache.hadoop.hbase.CompareOperator,org.apache.hadoop.hbase.filter.ByteArrayComparable,org.apache.hadoop.hbase.client.Delete,boolean)">postCheckAndDelete</a>, <a href="../RegionObserver.html#postCheckAndDelete(org.apache.hadoop.hbase.coprocessor.ObserverContext,byte%5B%5D,org.apache.hadoop.hbase.filter.Filter,org.apache.hadoop.hbase.client.Delete,boolean)">postCheckAndDelete</a>, <a href="../RegionObserver.html#postCheckAndMutate(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.CheckAndMutate,org.apache.hadoop.hbase.client.CheckAndMutateResult)">postCheckAndMutate</a>, <a href="../RegionObserver.html#postCheckAndPut(org.apache.hadoop.hbase.coprocessor.ObserverContext,byte%5B%5D,byte%5B%5D,byte%5B%5D,org.apache.hadoop.hbase.CompareOperator,org.apache.hadoop.hbase.filter.ByteArrayComparable,org.apache.hadoop.hbase.client.Put,boolean)">postCheckAndPut</a>, <a href="../RegionObserver.html#postCheckAndPut(org.apache.hadoop.hbase.coprocessor.ObserverContext,byte%5B%5D,org.apache.hadoop.hbase.filter.Filter,org.apache.hadoop.hbase.client.Put,boolean)">postCheckAndPut</a>, <a href="../RegionObserver.html#postClose(org.apache.hadoop.hbase.coprocessor.ObserverContext,boolean)">postClose</a>, <a 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href="../RegionObserver.html#preCheckAndPut(org.apache.hadoop.hbase.coprocessor.ObserverContext,byte%5B%5D,byte%5B%5D,byte%5B%5D,org.apache.hadoop.hbase.CompareOperator,org.apache.hadoop.hbase.filter.ByteArrayComparable,org.apache.hadoop.hbase.client.Put,boolean)">preCheckAndPut</a>, <a href="../RegionObserver.html#preCheckAndPut(org.apache.hadoop.hbase.coprocessor.ObserverContext,byte%5B%5D,org.apache.hadoop.hbase.filter.Filter,org.apache.hadoop.hbase.client.Put,boolean)">preCheckAndPut</a>, <a href="../RegionObserver.html#preCheckAndPutAfterRowLock(org.apache.hadoop.hbase.coprocessor.ObserverContext,byte%5B%5D,byte%5B%5D,byte%5B%5D,org.apache.hadoop.hbase.CompareOperator,org.apache.hadoop.hbase.filter.ByteArrayComparable,org.apache.hadoop.hbase.client.Put,boolean)">preCheckAndPutAfterRowLock</a>, <a 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href="../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>, <a href="../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>, <a href="../RegionObserver.html#preDelete(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Delete,org.apache.hadoop.hbase.wal.WALEdit)">preDelete</a>, <a href="../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>, <a href="../RegionObserver.html#preExists(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Get,boolean)">preExists</a>, <a href="../RegionObserver.html#preFlush(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker)">preFlush</a>, <a href="../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>, <a href="../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>, <a href="../RegionObserver.html#preIncrement(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Increment)">preIncrement</a>, <a href="../RegionObserver.html#preIncrement(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Increment,org.apache.hadoop.hbase.wal.WALEdit)">preIncrement</a>, <a href="../RegionObserver.html#preIncrementAfterRowLock(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Increment)">preIncrementAfterRowLock</a>, <a href="../RegionObserver.html#preMemStoreCompaction(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.regionserver.Store)">preMemStoreCompaction</a>, <a 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href="../RegionObserver.html#prePut(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Put,org.apache.hadoop.hbase.wal.WALEdit)">prePut</a>, <a href="../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>, <a href="../RegionObserver.html#preReplayWALs(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.RegionInfo,org.apache.hadoop.fs.Path)">preReplayWALs</a>, <a href="../RegionObserver.html#preScannerClose(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.regionserver.InternalScanner)">preScannerClose</a>, <a href="../RegionObserver.html#preScannerNext(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.regionserver.InternalScanner,java.util.List,int,boolean)">preScannerNext</a>, <a href="../RegionObserver.html#preScannerOpen(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Scan)">preScannerOpen</a>, <a href="../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>, <a href="../RegionObserver.html#preStoreScannerOpen(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.regionserver.Store,org.apache.hadoop.hbase.regionserver.ScanOptions)">preStoreScannerOpen</a>, <a href="../RegionObserver.html#preWALAppend(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.wal.WALKey,org.apache.hadoop.hbase.wal.WALEdit)">preWALAppend</a>, <a href="../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></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>()"> |
| <h3>ExampleRegionObserver</h3> |
| <div class="member-signature"><span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/coprocessor/example/ExampleRegionObserverWithMetrics.ExampleRegionObserver.html#line-60">ExampleRegionObserver</a></span>()</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="getRegionObserver()"> |
| <h3>getRegionObserver</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class or interface in java.util" class="external-link">Optional</a><<a href="../RegionObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionObserver</a>></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/coprocessor/example/ExampleRegionObserverWithMetrics.ExampleRegionObserver.html#line-61">getRegionObserver</a></span>()</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../RegionCoprocessor.html#getRegionObserver()">getRegionObserver</a></code> in interface <code><a href="../RegionCoprocessor.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessor</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="preGetOp(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Get,java.util.List)"> |
| <h3>preGetOp</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/coprocessor/example/ExampleRegionObserverWithMetrics.ExampleRegionObserver.html#line-66">preGetOp</a></span><wbr><span class="parameters">(<a href="../ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> e, |
| <a href="../../client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> get, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="../../Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> results)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../RegionObserver.html#preGetOp(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Get,java.util.List)">RegionObserver</a></code></span></div> |
| <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 class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../RegionObserver.html#preGetOp(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Get,java.util.List)">preGetOp</a></code> in interface <code><a href="../RegionObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionObserver</a></code></dd> |
| <dt>Parameters:</dt> |
| <dd><code>e</code> - the environment provided by the region server</dd> |
| <dd><code>get</code> - the Get request</dd> |
| <dd><code>results</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>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="postGetOp(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Get,java.util.List)"> |
| <h3>postGetOp</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/coprocessor/example/ExampleRegionObserverWithMetrics.ExampleRegionObserver.html#line-73">postGetOp</a></span><wbr><span class="parameters">(<a href="../ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> e, |
| <a href="../../client/Get.html" title="class in org.apache.hadoop.hbase.client">Get</a> get, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="../../Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>> results)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../RegionObserver.html#postGetOp(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Get,java.util.List)">RegionObserver</a></code></span></div> |
| <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 class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../RegionObserver.html#postGetOp(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.client.Get,java.util.List)">postGetOp</a></code> in interface <code><a href="../RegionObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionObserver</a></code></dd> |
| <dt>Parameters:</dt> |
| <dd><code>e</code> - the environment provided by the region server</dd> |
| <dd><code>get</code> - the Get request</dd> |
| <dd><code>results</code> - the result to return to the client, modify as necessary</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="postFlush(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker)"> |
| <h3>postFlush</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/coprocessor/example/ExampleRegionObserverWithMetrics.ExampleRegionObserver.html#line-86">postFlush</a></span><wbr><span class="parameters">(<a href="../ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a> tracker)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../RegionObserver.html#postFlush(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker)">RegionObserver</a></code></span></div> |
| <div class="block">Called after the memstore is flushed to disk.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../RegionObserver.html#postFlush(org.apache.hadoop.hbase.coprocessor.ObserverContext,org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker)">postFlush</a></code> in interface <code><a href="../RegionObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionObserver</a></code></dd> |
| <dt>Parameters:</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>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - if an error occurred on the coprocessor</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="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)"> |
| <h3>postFlush</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/coprocessor/example/ExampleRegionObserverWithMetrics.ExampleRegionObserver.html#line-92">postFlush</a></span><wbr><span class="parameters">(<a href="../ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="../../regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFile</a> resultFile, |
| <a href="../../regionserver/FlushLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver">FlushLifeCycleTracker</a> tracker)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../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)">RegionObserver</a></code></span></div> |
| <div class="block">Called after a Store's memstore is flushed to disk.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../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></code> in interface <code><a href="../RegionObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionObserver</a></code></dd> |
| <dt>Parameters:</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>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="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)"> |
| <h3>postCompactSelection</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/coprocessor/example/ExampleRegionObserverWithMetrics.ExampleRegionObserver.html#line-98">postCompactSelection</a></span><wbr><span class="parameters">(<a href="../ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor">ObserverContext</a><? extends <a href="../RegionCoprocessorEnvironment.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionCoprocessorEnvironment</a>> c, |
| <a href="../../regionserver/Store.html" title="interface in org.apache.hadoop.hbase.regionserver">Store</a> store, |
| <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><? extends <a href="../../regionserver/StoreFile.html" title="interface in org.apache.hadoop.hbase.regionserver">StoreFile</a>> selected, |
| <a href="../../regionserver/compactions/CompactionLifeCycleTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionLifeCycleTracker</a> tracker, |
| <a href="../../regionserver/compactions/CompactionRequest.html" title="interface in org.apache.hadoop.hbase.regionserver.compactions">CompactionRequest</a> request)</span></div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="../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)">RegionObserver</a></code></span></div> |
| <div class="block">Called after the <a href="../../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 class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="../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></code> in interface <code><a href="../RegionObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor">RegionObserver</a></code></dd> |
| <dt>Parameters:</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> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="performCostlyOperation()"> |
| <h3>performCostlyOperation</h3> |
| <div class="member-signature"><span class="modifiers">private</span> <span class="return-type">void</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/coprocessor/example/ExampleRegionObserverWithMetrics.ExampleRegionObserver.html#line-107">performCostlyOperation</a></span>()</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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