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| <h2 title="Interface CellComparator" class="title">Interface CellComparator</h2> |
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| <dt>All Superinterfaces:</dt> |
| <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a><<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>></dd> |
| </dl> |
| <hr> |
| <br> |
| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Evolving |
| public interface <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparator.html#line.33">CellComparator</a> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a><<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>></pre> |
| <div class="block">Comparator for comparing cells and has some specialized methods that allows comparing individual |
| cell components like row, family, qualifier and timestamp</div> |
| </li> |
| </ul> |
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| <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="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></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="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span><span id="t5" class="tableTab"><span><a href="javascript:show(16);">Default Methods</a></span><span class="tabEnd"> </span></span></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>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compare-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compare</a></span>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> leftCell, |
| <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> rightCell)</code> |
| <div class="block">Lexographically compares two cells.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compare-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-boolean-">compare</a></span>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> leftCell, |
| <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> rightCell, |
| boolean ignoreSequenceid)</code> |
| <div class="block">Compare cells.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareFamilies-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compareFamilies</a></span>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> leftCell, |
| <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> rightCell)</code> |
| <div class="block">Lexographically compares the families of the two cells</div> |
| </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/CellComparator.html#compareQualifiers-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compareQualifiers</a></span>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> leftCell, |
| <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> rightCell)</code> |
| <div class="block">Lexographically compares the qualifiers of the two cells</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>default int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareRows-byte:A-byte:A-">compareRows</a></span>(byte[] leftRow, |
| byte[] rightRow)</code> |
| <div class="block">Compares two row bytes</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>default int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareRows-java.nio.ByteBuffer-org.apache.hadoop.hbase.Cell-">compareRows</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> row, |
| <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareRows-org.apache.hadoop.hbase.Cell-byte:A-int-int-">compareRows</a></span>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell, |
| byte[] bytes, |
| int offset, |
| int length)</code> |
| <div class="block">Compares the row part of the cell with a simple plain byte[] like the |
| stopRow in Scan.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareRows-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compareRows</a></span>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> leftCell, |
| <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> rightCell)</code> |
| <div class="block">Lexographically compares the rows of two cells.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareTimestamps-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compareTimestamps</a></span>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> leftCell, |
| <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> rightCell)</code> |
| <div class="block">Compares cell's timestamps in DESCENDING order.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareTimestamps-long-long-">compareTimestamps</a></span>(long leftCellts, |
| long rightCellts)</code> |
| <div class="block">Compares cell's timestamps in DESCENDING order.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareWithoutRow-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compareWithoutRow</a></span>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> leftCell, |
| <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> rightCell)</code> |
| <div class="block">Lexographically compares the two cells excluding the row part.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static <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/CellComparator.html#getInstance--">getInstance</a></span>()</code> |
| <div class="block">A comparator for ordering cells in user-space tables.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#getSimpleComparator--">getSimpleComparator</a></span>()</code> </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.util.Comparator"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from interface java.util.<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#comparing-java.util.function.Function-" title="class or interface in java.util">comparing</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#comparing-java.util.function.Function-java.util.Comparator-" title="class or interface in java.util">comparing</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#comparingDouble-java.util.function.ToDoubleFunction-" title="class or interface in java.util">comparingDouble</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#comparingInt-java.util.function.ToIntFunction-" title="class or interface in java.util">comparingInt</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#comparingLong-java.util.function.ToLongFunction-" title="class or interface in java.util">comparingLong</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.util">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#naturalOrder--" title="class or interface in java.util">naturalOrder</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#nullsFirst-java.util.Comparator-" title="class or interface in java.util">nullsFirst</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#nullsLast-java.util.Comparator-" title="class or interface in java.util">nullsLast</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#reversed--" title="class or interface in java.util">reversed</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#reverseOrder--" title="class or interface in java.util">reverseOrder</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#thenComparing-java.util.Comparator-" title="class or interface in java.util">thenComparing</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#thenComparing-java.util.function.Function-" title="class or interface in java.util">thenComparing</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#thenComparing-java.util.function.Function-java.util.Comparator-" title="class or interface in java.util">thenComparing</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#thenComparingDouble-java.util.function.ToDoubleFunction-" title="class or interface in java.util">thenComparingDouble</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#thenComparingInt-java.util.function.ToIntFunction-" title="class or interface in java.util">thenComparingInt</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#thenComparingLong-java.util.function.ToLongFunction-" title="class or interface in java.util">thenComparingLong</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
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| </a> |
| <h3>Method Detail</h3> |
| <a name="getInstance--"> |
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| </a> |
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| <li class="blockList"> |
| <h4>getInstance</h4> |
| <pre>static <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/CellComparator.html#line.42">getInstance</a>()</pre> |
| <div class="block">A comparator for ordering cells in user-space tables. Useful when writing cells in sorted |
| order as necessary for bulk import (i.e. via MapReduce). |
| <p> |
| CAUTION: This comparator may provide inaccurate ordering for cells from system tables, |
| and should not be relied upon in that case.</div> |
| </li> |
| </ul> |
| <a name="compare-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>compare</h4> |
| <pre>int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparator.html#line.55">compare</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> leftCell, |
| <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> rightCell)</pre> |
| <div class="block">Lexographically compares two cells. The key part of the cell is taken for comparison which |
| includes row, family, qualifier, timestamp and type</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true#compare-T-T-" title="class or interface in java.util">compare</a></code> in interface <code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a><<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>leftCell</code> - the left hand side cell</dd> |
| <dd><code>rightCell</code> - the right hand side cell</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>greater than 0 if leftCell is bigger, less than 0 if rightCell is bigger, 0 if both |
| cells are equal</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="compare-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-boolean-"> |
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| </a> |
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| <h4>compare</h4> |
| <pre>int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparator.html#line.63">compare</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> leftCell, |
| <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> rightCell, |
| boolean ignoreSequenceid)</pre> |
| <div class="block">Compare cells.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ignoreSequenceid</code> - True if we are to compare the key portion only and ignore |
| the sequenceid. Set to false to compare key and consider sequenceid.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>0 if equal, -1 if a < b, and +1 if a > b.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="compareRows-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-"> |
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| </a> |
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| <h4>compareRows</h4> |
| <pre>int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparator.html#line.72">compareRows</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> leftCell, |
| <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> rightCell)</pre> |
| <div class="block">Lexographically compares the rows of two cells.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>leftCell</code> - the left hand side cell</dd> |
| <dd><code>rightCell</code> - the right hand side cell</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>greater than 0 if leftCell is bigger, less than 0 if rightCell is bigger, 0 if both |
| cells are equal</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="compareRows-org.apache.hadoop.hbase.Cell-byte:A-int-int-"> |
| <!-- --> |
| </a> |
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| <h4>compareRows</h4> |
| <pre>int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparator.html#line.84">compareRows</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell, |
| byte[] bytes, |
| int offset, |
| int length)</pre> |
| <div class="block">Compares the row part of the cell with a simple plain byte[] like the |
| stopRow in Scan.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>cell</code> - the cell</dd> |
| <dd><code>bytes</code> - the byte[] representing the row to be compared with</dd> |
| <dd><code>offset</code> - the offset of the byte[]</dd> |
| <dd><code>length</code> - the length of the byte[]</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>greater than 0 if leftCell is bigger, less than 0 if rightCell is bigger, 0 if both |
| cells are equal</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="compareRows-byte:A-byte:A-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>compareRows</h4> |
| <pre>default int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparator.html#line.93">compareRows</a>(byte[] leftRow, |
| byte[] rightRow)</pre> |
| <div class="block">Compares two row bytes</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>leftRow</code> - the byte array of the left row</dd> |
| <dd><code>rightRow</code> - the byte array of the right row</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>greater than 0 if leftRow is bigger, less than 0 if rightRow is bigger, 0 if both |
| rows are equal</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="compareRows-java.nio.ByteBuffer-org.apache.hadoop.hbase.Cell-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>compareRows</h4> |
| <pre>default int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparator.html#line.103">compareRows</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> row, |
| <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> cell)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>row</code> - ByteBuffer that wraps a row; will read from current position and will reading all |
| remaining; will not disturb the ByteBuffer internal state.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>greater than 0 if leftCell is bigger, less than 0 if rightCell is bigger, 0 if both |
| cells are equal</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="compareWithoutRow-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>compareWithoutRow</h4> |
| <pre>int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparator.html#line.123">compareWithoutRow</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> leftCell, |
| <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> rightCell)</pre> |
| <div class="block">Lexographically compares the two cells excluding the row part. It compares family, qualifier, |
| timestamp and the type</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>leftCell</code> - the left hand side cell</dd> |
| <dd><code>rightCell</code> - the right hand side cell</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>greater than 0 if leftCell is bigger, less than 0 if rightCell is bigger, 0 if both |
| cells are equal</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="compareFamilies-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>compareFamilies</h4> |
| <pre>int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparator.html#line.132">compareFamilies</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> leftCell, |
| <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> rightCell)</pre> |
| <div class="block">Lexographically compares the families of the two cells</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>leftCell</code> - the left hand side cell</dd> |
| <dd><code>rightCell</code> - the right hand side cell</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>greater than 0 if leftCell is bigger, less than 0 if rightCell is bigger, 0 if both |
| cells are equal</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="compareQualifiers-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>compareQualifiers</h4> |
| <pre>int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparator.html#line.141">compareQualifiers</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> leftCell, |
| <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> rightCell)</pre> |
| <div class="block">Lexographically compares the qualifiers of the two cells</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>leftCell</code> - the left hand side cell</dd> |
| <dd><code>rightCell</code> - the right hand side cell</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>greater than 0 if leftCell is bigger, less than 0 if rightCell is bigger, 0 if both |
| cells are equal</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="compareTimestamps-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>compareTimestamps</h4> |
| <pre>int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparator.html#line.153">compareTimestamps</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> leftCell, |
| <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a> rightCell)</pre> |
| <div class="block">Compares cell's timestamps in DESCENDING order. The below older timestamps sorting ahead of |
| newer timestamps looks wrong but it is intentional. This way, newer timestamps are first found |
| when we iterate over a memstore and newer versions are the first we trip over when reading from |
| a store file.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>leftCell</code> - the left hand side cell</dd> |
| <dd><code>rightCell</code> - the right hand side cell</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>1 if left's timestamp < right's timestamp -1 if left's timestamp > right's |
| timestamp 0 if both timestamps are equal</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="compareTimestamps-long-long-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>compareTimestamps</h4> |
| <pre>int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparator.html#line.165">compareTimestamps</a>(long leftCellts, |
| long rightCellts)</pre> |
| <div class="block">Compares cell's timestamps in DESCENDING order. The below older timestamps sorting ahead of |
| newer timestamps looks wrong but it is intentional. This way, newer timestamps are first found |
| when we iterate over a memstore and newer versions are the first we trip over when reading from |
| a store file.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>leftCellts</code> - the left cell's timestamp</dd> |
| <dd><code>rightCellts</code> - the right cell's timestamp</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>1 if left's timestamp < right's timestamp -1 if left's timestamp > right's |
| timestamp 0 if both timestamps are equal</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getSimpleComparator--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>getSimpleComparator</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="class or interface in java.util">Comparator</a> <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparator.html#line.172">getSimpleComparator</a>()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A dumbed-down, fast comparator for hbase2 base-type, the <code>ByteBufferKeyValue</code>. |
| Create an instance when you make a new memstore, when you know only BBKVs will be passed. |
| Do not pollute with types other than BBKV if can be helped; the Comparator will slow.</dd> |
| </dl> |
| </li> |
| </ul> |
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