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| <div class="subTitle">org.apache.hadoop.hbase.regionserver</div> |
| <h2 title="Class HRegion.RegionScannerImpl" class="title">Class HRegion.RegionScannerImpl</h2> |
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| <ul class="inheritance"> |
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| <li>org.apache.hadoop.hbase.regionserver.HRegion.RegionScannerImpl</li> |
| </ul> |
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| <dl> |
| <dt>All Implemented Interfaces:</dt> |
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| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/regionserver/ReversedRegionScannerImpl.html" title="class in org.apache.hadoop.hbase.regionserver">ReversedRegionScannerImpl</a></dd> |
| </dl> |
| <dl> |
| <dt>Enclosing class:</dt> |
| <dd><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.html" title="class in org.apache.hadoop.hbase.regionserver">HRegion</a></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>class <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.html#line.6409">HRegion.RegionScannerImpl</a> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> |
| implements <a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">RegionScanner</a>, <a href="../../../../../org/apache/hadoop/hbase/regionserver/Shipper.html" title="interface in org.apache.hadoop.hbase.regionserver">Shipper</a>, <a href="../../../../../org/apache/hadoop/hbase/ipc/RpcCallback.html" title="interface in org.apache.hadoop.hbase.ipc">RpcCallback</a></pre> |
| <div class="block">RegionScannerImpl is used to combine scanners from multiple Stores (aka column families).</div> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- =========== FIELD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="field.summary"> |
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| </a> |
| <h3>Field Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/CellComparator.html" title="interface in org.apache.hadoop.hbase">CellComparator</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#comparator">comparator</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver">ScannerContext</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#defaultScannerContext">defaultScannerContext</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html" title="class in org.apache.hadoop.hbase.filter">FilterWrapper</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#filter">filter</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#filterClosed">filterClosed</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#includeStopRow">includeStopRow</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected <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/regionserver/HRegion.RegionScannerImpl.html#joinedContinuationRow">joinedContinuationRow</a></span></code> |
| <div class="block">If the joined heap data gathering is interrupted due to scan limits, this will |
| contain the row for which we are populating the values.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>(package private) <a href="../../../../../org/apache/hadoop/hbase/regionserver/KeyValueHeap.html" title="class in org.apache.hadoop.hbase.regionserver">KeyValueHeap</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#joinedHeap">joinedHeap</a></span></code> |
| <div class="block">Heap of key-values that are not essential for the provided filters and are thus read |
| on demand, if on-demand column family loading is enabled.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#maxResultSize">maxResultSize</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>private long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#readPt">readPt</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.html" title="class in org.apache.hadoop.hbase.regionserver">HRegion</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#region">region</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected byte[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#stopRow">stopRow</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>(package private) <a href="../../../../../org/apache/hadoop/hbase/regionserver/KeyValueHeap.html" title="class in org.apache.hadoop.hbase.regionserver">KeyValueHeap</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#storeHeap">storeHeap</a></span></code> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.summary"> |
| <!-- --> |
| </a> |
| <h3>Constructor Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#RegionScannerImpl-org.apache.hadoop.hbase.client.Scan-java.util.List-org.apache.hadoop.hbase.regionserver.HRegion-">RegionScannerImpl</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <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/regionserver/KeyValueScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">KeyValueScanner</a>> additionalScanners, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.html" title="class in org.apache.hadoop.hbase.regionserver">HRegion</a> region)</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#RegionScannerImpl-org.apache.hadoop.hbase.client.Scan-java.util.List-org.apache.hadoop.hbase.regionserver.HRegion-long-long-">RegionScannerImpl</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <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/regionserver/KeyValueScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">KeyValueScanner</a>> additionalScanners, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.html" title="class in org.apache.hadoop.hbase.regionserver">HRegion</a> region, |
| long nonceGroup, |
| long nonce)</code> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <ul class="blockList"> |
| <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="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete 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>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#close--">close</a></span>()</code> |
| <div class="block">Closes the scanner and releases any resources it has allocated</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#filterRow--">filterRow</a></span>()</code> |
| <div class="block">This function is to maintain backward compatibility for 0.94 filters.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#filterRowKey-org.apache.hadoop.hbase.Cell-">filterRowKey</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> current)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#getBatch--">getBatch</a></span>()</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#getMaxResultSize--">getMaxResultSize</a></span>()</code> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#getMvccReadPoint--">getMvccReadPoint</a></span>()</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#getRegionInfo--">getRegionInfo</a></span>()</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>(package private) <a href="../../../../../org/apache/hadoop/hbase/regionserver/KeyValueHeap.html" title="class in org.apache.hadoop.hbase.regionserver">KeyValueHeap</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#getStoreHeapForTesting--">getStoreHeapForTesting</a></span>()</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>private <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></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#handleException-java.util.List-java.lang.Throwable-">handleException</a></span>(<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/regionserver/KeyValueScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">KeyValueScanner</a>> instantiatedScanners, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a> t)</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#incrementCountOfRowsFilteredMetric-org.apache.hadoop.hbase.regionserver.ScannerContext-">incrementCountOfRowsFilteredMetric</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver">ScannerContext</a> scannerContext)</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#incrementCountOfRowsScannedMetric-org.apache.hadoop.hbase.regionserver.ScannerContext-">incrementCountOfRowsScannedMetric</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver">ScannerContext</a> scannerContext)</code> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#initializeKVHeap-java.util.List-java.util.List-org.apache.hadoop.hbase.regionserver.HRegion-">initializeKVHeap</a></span>(<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/regionserver/KeyValueScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">KeyValueScanner</a>> scanners, |
| <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/regionserver/KeyValueScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">KeyValueScanner</a>> joinedScanners, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.html" title="class in org.apache.hadoop.hbase.regionserver">HRegion</a> region)</code> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#initializeScanners-org.apache.hadoop.hbase.client.Scan-java.util.List-">initializeScanners</a></span>(<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <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/regionserver/KeyValueScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">KeyValueScanner</a>> additionalScanners)</code> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#isFilterDone--">isFilterDone</a></span>()</code> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#isFilterDoneInternal--">isFilterDoneInternal</a></span>()</code> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#joinedHeapMayHaveData-org.apache.hadoop.hbase.Cell-">joinedHeapMayHaveData</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> currentRowCell)</code> </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#moreCellsInRow-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">moreCellsInRow</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> nextKv, |
| <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> currentRowCell)</code> |
| <div class="block">Based on the nextKv in the heap, and the current row, decide whether or not there are more |
| cells to be read in the heap.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#next-java.util.List-">next</a></span>(<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>> outResults)</code> |
| <div class="block">Grab the next row's worth of values.</div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#next-java.util.List-org.apache.hadoop.hbase.regionserver.ScannerContext-">next</a></span>(<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>> outResults, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver">ScannerContext</a> scannerContext)</code> |
| <div class="block">Grab the next row's worth of values.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#nextInternal-java.util.List-org.apache.hadoop.hbase.regionserver.ScannerContext-">nextInternal</a></span>(<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>> results, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver">ScannerContext</a> scannerContext)</code> </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#nextRaw-java.util.List-">nextRaw</a></span>(<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>> outResults)</code> |
| <div class="block">Grab the next row's worth of values.</div> |
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| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#nextRaw-java.util.List-org.apache.hadoop.hbase.regionserver.ScannerContext-">nextRaw</a></span>(<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>> outResults, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver">ScannerContext</a> scannerContext)</code> |
| <div class="block">Grab the next row's worth of values.</div> |
| </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#nextRow-org.apache.hadoop.hbase.regionserver.ScannerContext-org.apache.hadoop.hbase.Cell-">nextRow</a></span>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver">ScannerContext</a> scannerContext, |
| <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> curRowCell)</code> </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#populateFromJoinedHeap-java.util.List-org.apache.hadoop.hbase.regionserver.ScannerContext-">populateFromJoinedHeap</a></span>(<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>> results, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver">ScannerContext</a> scannerContext)</code> </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code>private boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#populateResult-java.util.List-org.apache.hadoop.hbase.regionserver.KeyValueHeap-org.apache.hadoop.hbase.regionserver.ScannerContext-org.apache.hadoop.hbase.Cell-">populateResult</a></span>(<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>> results, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/KeyValueHeap.html" title="class in org.apache.hadoop.hbase.regionserver">KeyValueHeap</a> heap, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver">ScannerContext</a> scannerContext, |
| <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> currentRowCell)</code> |
| <div class="block">Fetches records with currentRow into results list, until next row, batchLimit (if not -1) is |
| reached, or remainingResultSize (if not -1) is reaced</div> |
| </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#reseek-byte:A-">reseek</a></span>(byte[] row)</code> |
| <div class="block">Do a reseek to the required row.</div> |
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| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#resetFilters--">resetFilters</a></span>()</code> |
| <div class="block">Reset both the filter and the old filter.</div> |
| </td> |
| </tr> |
| <tr id="i27" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#run--">run</a></span>()</code> |
| <div class="block">Called at the end of an Rpc Call <a href="../../../../../org/apache/hadoop/hbase/ipc/RpcCallContext.html" title="interface in org.apache.hadoop.hbase.ipc"><code>RpcCallContext</code></a></div> |
| </td> |
| </tr> |
| <tr id="i28" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#shipped--">shipped</a></span>()</code> |
| <div class="block">Called after a batch of rows scanned and set to be returned to client.</div> |
| </td> |
| </tr> |
| <tr id="i29" class="rowColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#shouldStop-org.apache.hadoop.hbase.Cell-">shouldStop</a></span>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> currentRowCell)</code> </td> |
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| <h3>Field Detail</h3> |
| <a name="storeHeap"> |
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| <li class="blockList"> |
| <h4>storeHeap</h4> |
| <pre><a href="../../../../../org/apache/hadoop/hbase/regionserver/KeyValueHeap.html" title="class in org.apache.hadoop.hbase.regionserver">KeyValueHeap</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6412">storeHeap</a></pre> |
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| </ul> |
| <a name="joinedHeap"> |
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| <h4>joinedHeap</h4> |
| <pre><a href="../../../../../org/apache/hadoop/hbase/regionserver/KeyValueHeap.html" title="class in org.apache.hadoop.hbase.regionserver">KeyValueHeap</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6415">joinedHeap</a></pre> |
| <div class="block">Heap of key-values that are not essential for the provided filters and are thus read |
| on demand, if on-demand column family loading is enabled.</div> |
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| <a name="joinedContinuationRow"> |
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| <pre>protected <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/regionserver/HRegion.RegionScannerImpl.html#line.6419">joinedContinuationRow</a></pre> |
| <div class="block">If the joined heap data gathering is interrupted due to scan limits, this will |
| contain the row for which we are populating the values.</div> |
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| <h4>region</h4> |
| <pre>protected final <a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.html" title="class in org.apache.hadoop.hbase.regionserver">HRegion</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6424">region</a></pre> |
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| <h4>comparator</h4> |
| <pre>protected final <a href="../../../../../org/apache/hadoop/hbase/CellComparator.html" title="interface in org.apache.hadoop.hbase">CellComparator</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6425">comparator</a></pre> |
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| <h4>filter</h4> |
| <pre>private final <a href="../../../../../org/apache/hadoop/hbase/filter/FilterWrapper.html" title="class in org.apache.hadoop.hbase.filter">FilterWrapper</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6430">filter</a></pre> |
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| <h3>Constructor Detail</h3> |
| <a name="RegionScannerImpl-org.apache.hadoop.hbase.client.Scan-java.util.List-org.apache.hadoop.hbase.regionserver.HRegion-"> |
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| <h4>RegionScannerImpl</h4> |
| <pre><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6437">RegionScannerImpl</a>(<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <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/regionserver/KeyValueScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">KeyValueScanner</a>> additionalScanners, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.html" title="class in org.apache.hadoop.hbase.regionserver">HRegion</a> region) |
| 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> |
| <dl> |
| <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="RegionScannerImpl-org.apache.hadoop.hbase.client.Scan-java.util.List-org.apache.hadoop.hbase.regionserver.HRegion-long-long-"> |
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| <h4>RegionScannerImpl</h4> |
| <pre><a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6442">RegionScannerImpl</a>(<a href="../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a> scan, |
| <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/regionserver/KeyValueScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">KeyValueScanner</a>> additionalScanners, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.html" title="class in org.apache.hadoop.hbase.regionserver">HRegion</a> region, |
| long nonceGroup, |
| long nonce) |
| 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> |
| <dl> |
| <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> |
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| <pre>public <a href="../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6433">getRegionInfo</a>()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html#getRegionInfo--">getRegionInfo</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">RegionScanner</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The RegionInfo for this scanner.</dd> |
| </dl> |
| </li> |
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| <a name="initializeScanners-org.apache.hadoop.hbase.client.Scan-java.util.List-"> |
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| <h4>initializeScanners</h4> |
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| <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/regionserver/KeyValueScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">KeyValueScanner</a>> additionalScanners) |
| 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> |
| <dl> |
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| <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> |
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| <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/regionserver/KeyValueScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">KeyValueScanner</a>> joinedScanners, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegion.html" title="class in org.apache.hadoop.hbase.regionserver">HRegion</a> region) |
| 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> |
| <dl> |
| <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> |
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| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a> t)</pre> |
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| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html#getMaxResultSize--">getMaxResultSize</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">RegionScanner</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The preferred max buffersize. See |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html#setMaxResultSize-long-"><code>Scan.setMaxResultSize(long)</code></a></dd> |
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| <pre>public long <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6547">getMvccReadPoint</a>()</pre> |
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| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html#getMvccReadPoint--">getMvccReadPoint</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">RegionScanner</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The Scanner's MVCC readPt see <a href="../../../../../org/apache/hadoop/hbase/regionserver/MultiVersionConcurrencyControl.html" title="class in org.apache.hadoop.hbase.regionserver"><code>MultiVersionConcurrencyControl</code></a></dd> |
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| <h4>getBatch</h4> |
| <pre>public int <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6552">getBatch</a>()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html#getBatch--">getBatch</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">RegionScanner</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The limit on the number of cells to retrieve on each call to next(). See |
| <a href="../../../../../org/apache/hadoop/hbase/client/Scan.html#setBatch-int-"><code>Scan.setBatch(int)</code></a></dd> |
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| <h4>resetFilters</h4> |
| <pre>protected void <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6561">resetFilters</a>() |
| 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">Reset both the filter and the old filter.</div> |
| <dl> |
| <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> - in case a filter raises an I/O exception.</dd> |
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| <pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6568">next</a>(<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>> outResults) |
| 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="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html#next-java.util.List-">InternalScanner</a></code></span></div> |
| <div class="block">Grab the next row's worth of values.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html#next-java.util.List-">next</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>outResults</code> - return output array</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if more rows exist after this one, false if scanner is done</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> - e</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="next-java.util.List-org.apache.hadoop.hbase.regionserver.ScannerContext-"> |
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| <h4>next</h4> |
| <pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6575">next</a>(<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>> outResults, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver">ScannerContext</a> scannerContext) |
| 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="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html#next-java.util.List-org.apache.hadoop.hbase.regionserver.ScannerContext-">InternalScanner</a></code></span></div> |
| <div class="block">Grab the next row's worth of values.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html#next-java.util.List-org.apache.hadoop.hbase.regionserver.ScannerContext-">next</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>outResults</code> - return output array</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if more rows exist after this one, false if scanner is done</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> - e</dd> |
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| <h4>nextRaw</h4> |
| <pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6591">nextRaw</a>(<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>> outResults) |
| 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="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html#nextRaw-java.util.List-">RegionScanner</a></code></span></div> |
| <div class="block">Grab the next row's worth of values. This is a special internal method to be called from |
| coprocessor hooks to avoid expensive setup. Caller must set the thread's readpoint, start and |
| close a region operation, an synchronize on the scanner object. Caller should maintain and |
| update metrics. See <a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html#nextRaw-java.util.List-org.apache.hadoop.hbase.regionserver.ScannerContext-"><code>RegionScanner.nextRaw(List, ScannerContext)</code></a></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html#nextRaw-java.util.List-">nextRaw</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">RegionScanner</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>outResults</code> - return output array</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if more rows exist after this one, false if scanner is done</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> - e</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="nextRaw-java.util.List-org.apache.hadoop.hbase.regionserver.ScannerContext-"> |
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| <h4>nextRaw</h4> |
| <pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6597">nextRaw</a>(<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>> outResults, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver">ScannerContext</a> scannerContext) |
| 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="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html#nextRaw-java.util.List-org.apache.hadoop.hbase.regionserver.ScannerContext-">RegionScanner</a></code></span></div> |
| <div class="block">Grab the next row's worth of values. The <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver"><code>ScannerContext</code></a> is used to enforce and track |
| any limits associated with this call. Any progress that exists in the <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver"><code>ScannerContext</code></a> |
| prior to calling this method will be LOST if <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html#getKeepProgress--"><code>ScannerContext.getKeepProgress()</code></a> is false. |
| Upon returning from this method, the <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver"><code>ScannerContext</code></a> will contain information about the |
| progress made towards the limits. This is a special internal method to be called from |
| coprocessor hooks to avoid expensive setup. Caller must set the thread's readpoint, start and |
| close a region operation, an synchronize on the scanner object. Example: <code> |
| HRegion region = ...; |
| RegionScanner scanner = ... |
| MultiVersionConcurrencyControl.setThreadReadPoint(scanner.getMvccReadPoint()); |
| region.startRegionOperation(); |
| try { |
| synchronized(scanner) { |
| ... |
| boolean moreRows = scanner.nextRaw(values); |
| ... |
| } |
| } finally { |
| region.closeRegionOperation(); |
| } |
| </code></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html#nextRaw-java.util.List-org.apache.hadoop.hbase.regionserver.ScannerContext-">nextRaw</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">RegionScanner</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>outResults</code> - return output array</dd> |
| <dd><code>scannerContext</code> - The <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver"><code>ScannerContext</code></a> instance encapsulating all limits that should |
| be tracked during calls to this method. The progress towards these limits can be |
| tracked within this instance.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if more rows exist after this one, false if scanner is done</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> - e</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="populateFromJoinedHeap-java.util.List-org.apache.hadoop.hbase.regionserver.ScannerContext-"> |
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| <h4>populateFromJoinedHeap</h4> |
| <pre>private boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6634">populateFromJoinedHeap</a>(<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>> results, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver">ScannerContext</a> scannerContext) |
| 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> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if more cells exist after this batch, false if scanner is done</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="populateResult-java.util.List-org.apache.hadoop.hbase.regionserver.KeyValueHeap-org.apache.hadoop.hbase.regionserver.ScannerContext-org.apache.hadoop.hbase.Cell-"> |
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| <h4>populateResult</h4> |
| <pre>private boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6658">populateResult</a>(<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>> results, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/KeyValueHeap.html" title="class in org.apache.hadoop.hbase.regionserver">KeyValueHeap</a> heap, |
| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver">ScannerContext</a> scannerContext, |
| <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> currentRowCell) |
| 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">Fetches records with currentRow into results list, until next row, batchLimit (if not -1) is |
| reached, or remainingResultSize (if not -1) is reaced</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>heap</code> - KeyValueHeap to fetch data from.It must be positioned on correct row before call.</dd> |
| <dd><code>scannerContext</code> - </dd> |
| <dd><code>currentRowCell</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>state of last call to <a href="../../../../../org/apache/hadoop/hbase/regionserver/KeyValueHeap.html#next--"><code>KeyValueHeap.next()</code></a></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="moreCellsInRow-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>moreCellsInRow</h4> |
| <pre>private boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6699">moreCellsInRow</a>(<a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> nextKv, |
| <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> currentRowCell)</pre> |
| <div class="block">Based on the nextKv in the heap, and the current row, decide whether or not there are more |
| cells to be read in the heap. If the row of the nextKv in the heap matches the current row |
| then there are more cells to be read in the row.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>nextKv</code> - </dd> |
| <dd><code>currentRowCell</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true When there are more cells in the row to be read</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isFilterDone--"> |
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| <h4>isFilterDone</h4> |
| <pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6707">isFilterDone</a>() |
| 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> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html#isFilterDone--">isFilterDone</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">RegionScanner</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>True if a filter indicates that this scanner will return no further rows.</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> - in case of I/O failure on a filter.</dd> |
| </dl> |
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| <h4>isFilterDoneInternal</h4> |
| <pre>private boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6711">isFilterDoneInternal</a>() |
| 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> |
| <dl> |
| <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="nextInternal-java.util.List-org.apache.hadoop.hbase.regionserver.ScannerContext-"> |
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| <a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver">ScannerContext</a> scannerContext) |
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| <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> |
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| <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> |
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| <pre>protected boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.6995">nextRow</a>(<a href="../../../../../org/apache/hadoop/hbase/regionserver/ScannerContext.html" title="class in org.apache.hadoop.hbase.regionserver">ScannerContext</a> scannerContext, |
| <a href="../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> curRowCell) |
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| <dl> |
| <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> |
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| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html#close--">InternalScanner</a></code></span></div> |
| <div class="block">Closes the scanner and releases any resources it has allocated</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true#close--" title="class or interface in java.io">close</a></code> in interface <code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a></code></dd> |
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| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true#close--" title="class or interface in java.lang">close</a></code> in interface <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html#close--">close</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/InternalScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">InternalScanner</a></code></dd> |
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| <pre><a href="../../../../../org/apache/hadoop/hbase/regionserver/KeyValueHeap.html" title="class in org.apache.hadoop.hbase.regionserver">KeyValueHeap</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/regionserver/HRegion.RegionScannerImpl.html#line.7036">getStoreHeapForTesting</a>()</pre> |
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| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html#reseek-byte:A-">RegionScanner</a></code></span></div> |
| <div class="block">Do a reseek to the required row. Should not be used to seek to a key which |
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| <dd><code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html#reseek-byte:A-">reseek</a></code> in interface <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/RegionScanner.html" title="interface in org.apache.hadoop.hbase.regionserver">RegionScanner</a></code></dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
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| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../../org/apache/hadoop/hbase/regionserver/Shipper.html#shipped--">Shipper</a></code></span></div> |
| <div class="block">Called after a batch of rows scanned and set to be returned to client. Any in between cleanup |
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| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
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| <dt><span class="throwsLabel">Throws:</span></dt> |
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| <h4>run</h4> |
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