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NAVBAR ========= --> +<!-- ======== START OF CLASS DATA ======== --> +<div class="header"> +<div class="subTitle">org.apache.hadoop.hbase</div> +<h2 title="ç±» CellComparatorImpl.MetaCellComparator" class="title">ç±» CellComparatorImpl.MetaCellComparator</h2> +</div> +<div class="contentContainer"> +<ul class="inheritance"> +<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="java.langä¸çç±»ææ¥å£">java.lang.Object</a></li> +<li> +<ul class="inheritance"> +<li><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»">org.apache.hadoop.hbase.CellComparatorImpl</a></li> +<li> +<ul class="inheritance"> +<li>org.apache.hadoop.hbase.CellComparatorImpl.MetaCellComparator</li> +</ul> +</li> +</ul> +</li> +</ul> +<div class="description"> +<ul class="blockList"> +<li class="blockList"> +<dl> +<dt>ææå·²å®ç°çæ¥å£:</dt> +<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="java.utilä¸çç±»ææ¥å£">Comparator</a><<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a>>, <a href="../../../../org/apache/hadoop/hbase/CellComparator.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">CellComparator</a></dd> +</dl> +<dl> +<dt>å°éç±»:</dt> +<dd><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»">CellComparatorImpl</a></dd> +</dl> +<hr> +<br> +<pre>public static class <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.html#line.299">CellComparatorImpl.MetaCellComparator</a> +extends <a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»">CellComparatorImpl</a></pre> +<div class="block">A <a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»"><code>CellComparatorImpl</code></a> for <code>hbase:meta</code> catalog table + <a href="../../../../org/apache/hadoop/hbase/KeyValue.html" title="org.apache.hadoop.hbaseä¸çç±»"><code>KeyValue</code></a>s.</div> +</li> +</ul> +</div> +<div class="summary"> +<ul class="blockList"> +<li class="blockList"> +<!-- ======== NESTED CLASS SUMMARY ======== --> +<ul class="blockList"> +<li class="blockList"><a name="nested.class.summary"> +<!-- --> +</a> +<h3>åµå¥ç±»æ¦è¦</h3> +<ul class="blockList"> +<li class="blockList"><a name="nested.classes.inherited.from.class.org.apache.hadoop.hbase.CellComparatorImpl"> +<!-- --> +</a> +<h3>ä»ç±»ç»§æ¿çåµå¥ç±»/æ¥å£ org.apache.hadoop.hbase.<a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»">CellComparatorImpl</a></h3> +<code><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.MetaCellComparator.html" title="org.apache.hadoop.hbaseä¸çç±»">CellComparatorImpl.MetaCellComparator</a></code></li> +</ul> +</li> +</ul> +<!-- =========== FIELD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="field.summary"> +<!-- --> +</a> +<h3>å段æ¦è¦</h3> +<ul class="blockList"> +<li class="blockList"><a name="fields.inherited.from.class.org.apache.hadoop.hbase.CellComparatorImpl"> +<!-- --> +</a> +<h3>ä»ç±»ç»§æ¿çå段 org.apache.hadoop.hbase.<a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»">CellComparatorImpl</a></h3> +<code><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html#COMPARATOR">COMPARATOR</a>, <a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html#META_COMPARATOR">META_COMPARATOR</a></code></li> +</ul> +</li> +</ul> +<!-- ======== CONSTRUCTOR SUMMARY ======== --> +<ul class="blockList"> +<li class="blockList"><a name="constructor.summary"> +<!-- --> +</a> +<h3>æé å¨æ¦è¦</h3> 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class="tableTab"><span><a href="javascript:show(8);">å ·ä½æ¹æ³</a></span><span class="tabEnd"> </span></span></caption> +<tr> +<th class="colFirst" scope="col">éå®ç¬¦åç±»å</th> +<th class="colLast" scope="col">æ¹æ³å说æ</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/CellComparatorImpl.MetaCellComparator.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="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> a, + <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> b, + boolean ignoreSequenceid)</code> +<div class="block">Compare cells.</div> +</td> +</tr> +<tr id="i1" class="rowColor"> +<td class="colFirst"><code>int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a 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right)</code> +<div class="block">Compares the rows of the left and right cell.</div> +</td> +</tr> +<tr id="i3" class="rowColor"> +<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="java.utilä¸çç±»ææ¥å£">Comparator</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.MetaCellComparator.html#getSimpleComparator--">getSimpleComparator</a></span>()</code> </td> +</tr> +</table> +<ul class="blockList"> +<li class="blockList"><a name="methods.inherited.from.class.org.apache.hadoop.hbase.CellComparatorImpl"> +<!-- --> +</a> +<h3>ä»ç±»ç»§æ¿çæ¹æ³ org.apache.hadoop.hbase.<a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»">CellComparatorImpl</a></h3> +<code><a 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name="compareRows-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>compareRows</h4> +<pre>public int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.MetaCellComparator.html#line.302">compareRows</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> left, + <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> right)</pre> +<div class="block"><span class="descfrmTypeLabel">ä»ç±»å¤å¶ç说æ: <code><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html#compareRows-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">CellComparatorImpl</a></code></span></div> +<div class="block">Compares the rows of the left and right cell. + For the hbase:meta case this method is overridden such that it can handle hbase:meta cells. + The caller should ensure using the appropriate comparator for hbase:meta.</div> +<dl> +<dt><span class="overrideSpecifyLabel">æå®è :</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareRows-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compareRows</a></code> å¨æ¥å£ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">CellComparator</a></code></dd> +<dt><span class="overrideSpecifyLabel">è¦ç:</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html#compareRows-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compareRows</a></code> å¨ç±»ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»">CellComparatorImpl</a></code></dd> +<dt><span class="paramLabel">åæ°:</span></dt> +<dd><code>left</code> - the left hand side cell</dd> +<dd><code>right</code> - the right hand side cell</dd> +<dt><span class="returnLabel">è¿å:</span></dt> +<dd>0 if both cells are equal, 1 if left cell is bigger than right, -1 otherwise</dd> +</dl> +</li> +</ul> +<a name="compareRows-org.apache.hadoop.hbase.Cell-byte:A-int-int-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>compareRows</h4> +<pre>public int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.MetaCellComparator.html#line.308">compareRows</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> left, + byte[] right, + int roffset, + int rlength)</pre> +<div class="block"><span class="descfrmTypeLabel">ä»ç±»å¤å¶ç说æ: <code><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html#compareRows-org.apache.hadoop.hbase.Cell-byte:A-int-int-">CellComparatorImpl</a></code></span></div> +<div class="block">Compares the row part of the cell with a simple plain byte[] like the + stopRow in Scan. This should be used with context where for hbase:meta + cells the {<a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html#META_COMPARATOR"><code>CellComparatorImpl.META_COMPARATOR</code></a> should be used</div> +<dl> +<dt><span class="overrideSpecifyLabel">æå®è :</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareRows-org.apache.hadoop.hbase.Cell-byte:A-int-int-">compareRows</a></code> å¨æ¥å£ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">CellComparator</a></code></dd> +<dt><span class="overrideSpecifyLabel">è¦ç:</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html#compareRows-org.apache.hadoop.hbase.Cell-byte:A-int-int-">compareRows</a></code> å¨ç±»ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»">CellComparatorImpl</a></code></dd> +<dt><span class="paramLabel">åæ°:</span></dt> +<dd><code>left</code> - the cell to be compared</dd> +<dd><code>right</code> - the kv serialized byte[] to be compared with</dd> +<dd><code>roffset</code> - the offset in the byte[]</dd> +<dd><code>rlength</code> - the length in the byte[]</dd> +<dt><span class="returnLabel">è¿å:</span></dt> +<dd>0 if both cell and the byte[] are equal, 1 if the cell is bigger + than byte[], -1 otherwise</dd> +</dl> +</li> +</ul> +<a name="compare-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-boolean-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>compare</h4> +<pre>public int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.MetaCellComparator.html#line.314">compare</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> a, + <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> b, + boolean ignoreSequenceid)</pre> +<div class="block"><span class="descfrmTypeLabel">ä»æ¥å£å¤å¶ç说æ: <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compare-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-boolean-">CellComparator</a></code></span></div> +<div class="block">Compare cells.</div> +<dl> +<dt><span class="overrideSpecifyLabel">æå®è :</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compare-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-boolean-">compare</a></code> å¨æ¥å£ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">CellComparator</a></code></dd> +<dt><span class="overrideSpecifyLabel">è¦ç:</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html#compare-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-boolean-">compare</a></code> å¨ç±»ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»">CellComparatorImpl</a></code></dd> +<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">è¿å:</span></dt> +<dd>0 if equal, -1 if a < b, and +1 if a > b.</dd> +</dl> +</li> +</ul> +<a name="getSimpleComparator--"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>getSimpleComparator</h4> +<pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="java.utilä¸çç±»ææ¥å£">Comparator</a> <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.MetaCellComparator.html#line.381">getSimpleComparator</a>()</pre> +<dl> +<dt><span class="overrideSpecifyLabel">æå®è :</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#getSimpleComparator--">getSimpleComparator</a></code> å¨æ¥å£ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">CellComparator</a></code></dd> +<dt><span class="overrideSpecifyLabel">è¦ç:</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html#getSimpleComparator--">getSimpleComparator</a></code> å¨ç±»ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»">CellComparatorImpl</a></code></dd> +<dt><span class="returnLabel">è¿å:</span></dt> +<dd>A dumbed-down, fast comparator for hbase2 base-type, the <a href="../../../../org/apache/hadoop/hbase/ByteBufferKeyValue.html" title="org.apache.hadoop.hbaseä¸çç±»"><code>ByteBufferKeyValue</code></a>. + 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> +</li> +</ul> +</li> +</ul> +</div> +</div> +<!-- ========= END OF CLASS DATA ========= --> +<!-- ======= START OF BOTTOM NAVBAR ====== --> +<div class="bottomNav"><a name="navbar.bottom"> +<!-- --> +</a> +<div class="skipNav"><a href="#skip.navbar.bottom" title="è·³è¿å¯¼èªé¾æ¥">è·³è¿å¯¼èªé¾æ¥</a></div> +<a name="navbar.bottom.firstrow"> +<!-- --> +</a> +<ul class="navList" title="导èª"> +<li><a href="../../../../overview-summary.html">æ¦è§</a></li> +<li><a href="package-summary.html">ç¨åºå </a></li> +<li class="navBarCell1Rev">ç±»</li> +<li><a href="class-use/CellComparatorImpl.MetaCellComparator.html">使ç¨</a></li> +<li><a href="package-tree.html">æ </a></li> +<li><a href="../../../../deprecated-list.html">å·²è¿æ¶</a></li> +<li><a href="../../../../index-all.html">ç´¢å¼</a></li> +<li><a href="../../../../help-doc.html">帮å©</a></li> +</ul> +</div> +<div class="subNav"> +<ul class="navList"> +<li><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»"><span class="typeNameLink">ä¸ä¸ä¸ªç±»</span></a></li> +<li><a href="../../../../org/apache/hadoop/hbase/CellScannable.html" title="org.apache.hadoop.hbaseä¸çæ¥å£"><span class="typeNameLink">ä¸ä¸ä¸ªç±»</span></a></li> +</ul> +<ul class="navList"> +<li><a href="../../../../index.html?org/apache/hadoop/hbase/CellComparatorImpl.MetaCellComparator.html" target="_top">æ¡æ¶</a></li> +<li><a href="CellComparatorImpl.MetaCellComparator.html" target="_top">æ æ¡æ¶</a></li> +</ul> +<ul class="navList" id="allclasses_navbar_bottom"> +<li><a href="../../../../allclasses-noframe.html">ææç±»</a></li> +</ul> +<div> +<script type="text/javascript"><!-- + allClassesLink = document.getElementById("allclasses_navbar_bottom"); + if(window==top) { + allClassesLink.style.display = "block"; + } + else { + allClassesLink.style.display = "none"; + } + //--> +</script> +</div> +<div> +<ul class="subNavList"> +<li>æ¦è¦: </li> +<li><a href="#nested.classes.inherited.from.class.org.apache.hadoop.hbase.CellComparatorImpl">åµå¥</a> | </li> +<li><a href="#fields.inherited.from.class.org.apache.hadoop.hbase.CellComparatorImpl">å段</a> | </li> +<li><a href="#constructor.summary">æé å¨</a> | </li> +<li><a href="#method.summary">æ¹æ³</a></li> +</ul> +<ul class="subNavList"> +<li>详ç»èµæ: </li> +<li>å段 | </li> +<li><a href="#constructor.detail">æé å¨</a> | </li> +<li><a href="#method.detail">æ¹æ³</a></li> +</ul> +</div> +<a name="skip.navbar.bottom"> +<!-- --> +</a></div> +<!-- ======== END OF BOTTOM NAVBAR ======= --> +<p class="legalCopy"><small>Copyright © 2007–2018 <a href="https://www.apache.org/">The Apache Software Foundation</a>. 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Do not use this method comparing <code>-ROOT-</code> or + <code>hbase:meta</code> cells. Cells from these tables need a specialized comparator, one that + takes account of the special formatting of the row where we have commas to delimit table from + regionname, from row. See KeyValue for how it has a special comparator to do hbase:meta cells + and yet another for -ROOT-. + <p>While using this comparator for {<a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html#compareRows-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-"><code>compareRows(Cell, Cell)</code></a> et al, the hbase:meta cells + format should be taken into consideration, for which the instance of this comparator + should be used. In all other cases the static APIs in this comparator would be enough + <p>HOT methods. We spend a good portion of CPU comparing. Anything that makes the compare + faster will likely manifest at the macro level. See also + <a href="../../../../org/apache/hadoop/hbase/BBKVComparator.html" title="org.apache.hadoop.hbaseä¸çç±»"><code>BBKVComparator</code></a>. Use it when mostly <a href="../../../../org/apache/hadoop/hbase/ByteBufferKeyValue.html" title="org.apache.hadoop.hbaseä¸çç±»"><code>ByteBufferKeyValue</code></a>s. + </p></div> +</li> +</ul> +</div> +<div class="summary"> +<ul class="blockList"> +<li class="blockList"> +<!-- ======== NESTED CLASS SUMMARY ======== --> +<ul class="blockList"> +<li class="blockList"><a name="nested.class.summary"> +<!-- --> +</a> +<h3>åµå¥ç±»æ¦è¦</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="åµå¥ç±»æ¦è¦è¡¨, å表åµå¥ç±»å解é"> +<caption><span>åµå¥ç±»</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">éå®ç¬¦åç±»å</th> +<th class="colLast" scope="col">ç±»å说æ</th> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>static class </code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.MetaCellComparator.html" title="org.apache.hadoop.hbaseä¸çç±»">CellComparatorImpl.MetaCellComparator</a></span></code> +<div class="block">A <a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»"><code>CellComparatorImpl</code></a> for <code>hbase:meta</code> catalog table + <a href="../../../../org/apache/hadoop/hbase/KeyValue.html" title="org.apache.hadoop.hbaseä¸çç±»"><code>KeyValue</code></a>s.</div> +</td> +</tr> +</table> +</li> +</ul> +<!-- =========== FIELD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="field.summary"> +<!-- --> +</a> +<h3>å段æ¦è¦</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="å段æ¦è¦è¡¨, å表å段å解é"> +<caption><span>å段</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">éå®ç¬¦åç±»å</th> +<th class="colLast" scope="col">å段å说æ</th> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»">CellComparatorImpl</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html#COMPARATOR">COMPARATOR</a></span></code> +<div class="block">Comparator for plain key/values; i.e. non-catalog table key/values.</div> +</td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»">CellComparatorImpl</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html#META_COMPARATOR">META_COMPARATOR</a></span></code> +<div class="block">A <a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»"><code>CellComparatorImpl</code></a> for <code>hbase:meta</code> catalog table + <a href="../../../../org/apache/hadoop/hbase/KeyValue.html" title="org.apache.hadoop.hbaseä¸çç±»"><code>KeyValue</code></a>s.</div> +</td> +</tr> +</table> +</li> +</ul> +<!-- ======== CONSTRUCTOR SUMMARY ======== --> +<ul class="blockList"> +<li class="blockList"><a name="constructor.summary"> +<!-- --> +</a> +<h3>æé å¨æ¦è¦</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="æé å¨æ¦è¦è¡¨, å表æé å¨å解é"> +<caption><span>æé å¨</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colOne" scope="col">æé å¨å说æ</th> +</tr> +<tr class="altColor"> +<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html#CellComparatorImpl--">CellComparatorImpl</a></span>()</code> </td> +</tr> +</table> +</li> +</ul> +<!-- ========== METHOD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="method.summary"> +<!-- --> +</a> +<h3>æ¹æ³æ¦è¦</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="æ¹æ³æ¦è¦è¡¨, å表æ¹æ³å解é"> +<caption><span id="t0" class="activeTableTab"><span>æææ¹æ³</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">å®ä¾æ¹æ³</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">å ·ä½æ¹æ³</a></span><span class="tabEnd"> </span></span></caption> +<tr> +<th class="colFirst" scope="col">éå®ç¬¦åç±»å</th> +<th class="colLast" scope="col">æ¹æ³å说æ</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/CellComparatorImpl.html#compare-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compare</a></span>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> a, + <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> b)</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/CellComparatorImpl.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="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> a, + <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> b, + 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 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title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> right)</code> +<div class="block">Compare the families of left and right cell</div> +</td> +</tr> +<tr id="i4" class="altColor"> +<td class="colFirst"><code>int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html#compareQualifiers-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compareQualifiers</a></span>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> left, + <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> right)</code> +<div class="block">Compare the qualifiers part of the left and right cells.</div> +</td> +</tr> +<tr id="i5" class="rowColor"> +<td class="colFirst"><code>int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a 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Works on Key portion + of KeyValue only.</div> +</li> +</ul> +<a name="META_COMPARATOR"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>META_COMPARATOR</h4> +<pre>public static final <a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»">CellComparatorImpl</a> <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.html#line.64">META_COMPARATOR</a></pre> +<div class="block">A <a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html" title="org.apache.hadoop.hbaseä¸çç±»"><code>CellComparatorImpl</code></a> for <code>hbase:meta</code> catalog table + <a href="../../../../org/apache/hadoop/hbase/KeyValue.html" title="org.apache.hadoop.hbaseä¸çç±»"><code>KeyValue</code></a>s.</div> +</li> +</ul> +</li> +</ul> +<!-- ========= CONSTRUCTOR DETAIL ======== --> +<ul class="blockList"> +<li class="blockList"><a name="constructor.detail"> +<!-- --> +</a> +<h3>æé å¨è¯¦ç»èµæ</h3> +<a name="CellComparatorImpl--"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>CellComparatorImpl</h4> +<pre>public <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.html#line.53">CellComparatorImpl</a>()</pre> +</li> +</ul> +</li> +</ul> +<!-- ============ METHOD DETAIL ========== --> +<ul class="blockList"> +<li class="blockList"><a name="method.detail"> +<!-- --> +</a> +<h3>æ¹æ³è¯¦ç»èµæ</h3> +<a name="compare-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>compare</h4> +<pre>public final int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.html#line.67">compare</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> a, + <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> b)</pre> +<div class="block"><span class="descfrmTypeLabel">ä»æ¥å£å¤å¶ç说æ: <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compare-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">CellComparator</a></code></span></div> +<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">æå®è :</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="java.utilä¸çç±»ææ¥å£">compare</a></code> å¨æ¥å£ä¸ <code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="java.utilä¸çç±»ææ¥å£">Comparator</a><<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a>></code></dd> +<dt><span class="overrideSpecifyLabel">æå®è :</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compare-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compare</a></code> å¨æ¥å£ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">CellComparator</a></code></dd> +<dt><span class="paramLabel">åæ°:</span></dt> +<dd><code>a</code> - the left hand side cell</dd> +<dd><code>b</code> - the right hand side cell</dd> +<dt><span class="returnLabel">è¿å:</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-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>compare</h4> +<pre>public int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.html#line.72">compare</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> a, + <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> b, + boolean ignoreSequenceid)</pre> +<div class="block"><span class="descfrmTypeLabel">ä»æ¥å£å¤å¶ç说æ: <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compare-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-boolean-">CellComparator</a></code></span></div> +<div class="block">Compare cells.</div> +<dl> +<dt><span class="overrideSpecifyLabel">æå®è :</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compare-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-boolean-">compare</a></code> å¨æ¥å£ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">CellComparator</a></code></dd> +<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">è¿å:</span></dt> +<dd>0 if equal, -1 if a < b, and +1 if a > b.</dd> +</dl> +</li> +</ul> +<a name="compareColumns-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>compareColumns</h4> +<pre>public final int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.html#line.101">compareColumns</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> left, + <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> right)</pre> +<div class="block">Compares the family and qualifier part of the cell</div> +<dl> +<dt><span class="returnLabel">è¿å:</span></dt> +<dd>0 if both cells are equal, 1 if left cell is bigger than right, -1 otherwise</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>public final int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.html#line.114">compareFamilies</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> left, + <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> right)</pre> +<div class="block">Compare the families of left and right cell</div> +<dl> +<dt><span class="overrideSpecifyLabel">æå®è :</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareFamilies-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compareFamilies</a></code> å¨æ¥å£ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">CellComparator</a></code></dd> +<dt><span class="paramLabel">åæ°:</span></dt> +<dd><code>left</code> - the left hand side cell</dd> +<dd><code>right</code> - the right hand side cell</dd> +<dt><span class="returnLabel">è¿å:</span></dt> +<dd>0 if both cells are equal, 1 if left cell is bigger than right, -1 otherwise</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>public final int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.html#line.145">compareQualifiers</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> left, + <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> right)</pre> +<div class="block">Compare the qualifiers part of the left and right cells.</div> +<dl> +<dt><span class="overrideSpecifyLabel">æå®è :</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareQualifiers-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compareQualifiers</a></code> å¨æ¥å£ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">CellComparator</a></code></dd> +<dt><span class="paramLabel">åæ°:</span></dt> +<dd><code>left</code> - the left hand side cell</dd> +<dd><code>right</code> - the right hand side cell</dd> +<dt><span class="returnLabel">è¿å:</span></dt> +<dd>0 if both cells are equal, 1 if left cell is bigger than right, -1 otherwise</dd> +</dl> +</li> +</ul> +<a name="compareRows-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>compareRows</h4> +<pre>public int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.html#line.181">compareRows</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> left, + <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> right)</pre> +<div class="block">Compares the rows of the left and right cell. + For the hbase:meta case this method is overridden such that it can handle hbase:meta cells. + The caller should ensure using the appropriate comparator for hbase:meta.</div> +<dl> +<dt><span class="overrideSpecifyLabel">æå®è :</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareRows-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compareRows</a></code> å¨æ¥å£ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">CellComparator</a></code></dd> +<dt><span class="paramLabel">åæ°:</span></dt> +<dd><code>left</code> - the left hand side cell</dd> +<dd><code>right</code> - the right hand side cell</dd> +<dt><span class="returnLabel">è¿å:</span></dt> +<dd>0 if both cells are equal, 1 if left cell is bigger than right, -1 otherwise</dd> +</dl> +</li> +</ul> +<a name="compareRows-org.apache.hadoop.hbase.Cell-byte:A-int-int-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>compareRows</h4> +<pre>public int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.html#line.231">compareRows</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> left, + byte[] right, + int roffset, + int rlength)</pre> +<div class="block">Compares the row part of the cell with a simple plain byte[] like the + stopRow in Scan. This should be used with context where for hbase:meta + cells the {<a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.html#META_COMPARATOR"><code>META_COMPARATOR</code></a> should be used</div> +<dl> +<dt><span class="overrideSpecifyLabel">æå®è :</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareRows-org.apache.hadoop.hbase.Cell-byte:A-int-int-">compareRows</a></code> å¨æ¥å£ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">CellComparator</a></code></dd> +<dt><span class="paramLabel">åæ°:</span></dt> +<dd><code>left</code> - the cell to be compared</dd> +<dd><code>right</code> - the kv serialized byte[] to be compared with</dd> +<dd><code>roffset</code> - the offset in the byte[]</dd> +<dd><code>rlength</code> - the length in the byte[]</dd> +<dt><span class="returnLabel">è¿å:</span></dt> +<dd>0 if both cell and the byte[] are equal, 1 if the cell is bigger + than byte[], -1 otherwise</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>public final int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.html#line.242">compareWithoutRow</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> left, + <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> right)</pre> +<div class="block"><span class="descfrmTypeLabel">ä»æ¥å£å¤å¶ç说æ: <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareWithoutRow-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">CellComparator</a></code></span></div> +<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="overrideSpecifyLabel">æå®è :</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareWithoutRow-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compareWithoutRow</a></code> å¨æ¥å£ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">CellComparator</a></code></dd> +<dt><span class="paramLabel">åæ°:</span></dt> +<dd><code>left</code> - the left hand side cell</dd> +<dd><code>right</code> - the right hand side cell</dd> +<dt><span class="returnLabel">è¿å:</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>public int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.html#line.285">compareTimestamps</a>(<a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> left, + <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">Cell</a> right)</pre> +<div class="block"><span class="descfrmTypeLabel">ä»æ¥å£å¤å¶ç说æ: <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareTimestamps-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">CellComparator</a></code></span></div> +<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="overrideSpecifyLabel">æå®è :</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareTimestamps-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compareTimestamps</a></code> å¨æ¥å£ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">CellComparator</a></code></dd> +<dt><span class="paramLabel">åæ°:</span></dt> +<dd><code>left</code> - the left hand side cell</dd> +<dd><code>right</code> - the right hand side cell</dd> +<dt><span class="returnLabel">è¿å:</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>public int <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.html#line.290">compareTimestamps</a>(long ltimestamp, + long rtimestamp)</pre> +<div class="block"><span class="descfrmTypeLabel">ä»æ¥å£å¤å¶ç说æ: <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareTimestamps-long-long-">CellComparator</a></code></span></div> +<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="overrideSpecifyLabel">æå®è :</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#compareTimestamps-long-long-">compareTimestamps</a></code> å¨æ¥å£ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">CellComparator</a></code></dd> +<dt><span class="paramLabel">åæ°:</span></dt> +<dd><code>ltimestamp</code> - the left cell's timestamp</dd> +<dd><code>rtimestamp</code> - the right cell's timestamp</dd> +<dt><span class="returnLabel">è¿å:</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>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Comparator.html?is-external=true" title="java.utilä¸çç±»ææ¥å£">Comparator</a> <a href="../../../../src-html/org/apache/hadoop/hbase/CellComparatorImpl.html#line.387">getSimpleComparator</a>()</pre> +<dl> +<dt><span class="overrideSpecifyLabel">æå®è :</span></dt> +<dd><code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html#getSimpleComparator--">getSimpleComparator</a></code> å¨æ¥å£ä¸ <code><a href="../../../../org/apache/hadoop/hbase/CellComparator.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">CellComparator</a></code></dd> +<dt><span class="returnLabel">è¿å:</span></dt> +<dd>A dumbed-down, fast comparator for hbase2 base-type, the <a href="../../../../org/apache/hadoop/hbase/ByteBufferKeyValue.html" title="org.apache.hadoop.hbaseä¸çç±»"><code>ByteBufferKeyValue</code></a>. + 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> +</li> +</ul> +</li> +</ul> +</div> +</div> +<!-- ========= END OF CLASS DATA ========= --> +<!-- ======= START OF BOTTOM NAVBAR ====== --> +<div class="bottomNav"><a name="navbar.bottom"> +<!-- --> +</a> +<div class="skipNav"><a href="#skip.navbar.bottom" title="è·³è¿å¯¼èªé¾æ¥">è·³è¿å¯¼èªé¾æ¥</a></div> +<a name="navbar.bottom.firstrow"> +<!-- --> +</a> +<ul class="navList" title="导èª"> +<li><a href="../../../../overview-summary.html">æ¦è§</a></li> +<li><a href="package-summary.html">ç¨åºå </a></li> +<li class="navBarCell1Rev">ç±»</li> +<li><a href="class-use/CellComparatorImpl.html">使ç¨</a></li> +<li><a href="package-tree.html">æ </a></li> +<li><a href="../../../../deprecated-list.html">å·²è¿æ¶</a></li> +<li><a href="../../../../index-all.html">ç´¢å¼</a></li> +<li><a href="../../../../help-doc.html">帮å©</a></li> +</ul> +</div> +<div class="subNav"> +<ul class="navList"> +<li><a href="../../../../org/apache/hadoop/hbase/CellComparator.html" title="org.apache.hadoop.hbaseä¸çæ¥å£"><span class="typeNameLink">ä¸ä¸ä¸ªç±»</span></a></li> +<li><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.MetaCellComparator.html" title="org.apache.hadoop.hbaseä¸çç±»"><span class="typeNameLink">ä¸ä¸ä¸ªç±»</span></a></li> +</ul> +<ul class="navList"> +<li><a href="../../../../index.html?org/apache/hadoop/hbase/CellComparatorImpl.html" target="_top">æ¡æ¶</a></li> +<li><a href="CellComparatorImpl.html" target="_top">æ æ¡æ¶</a></li> +</ul> +<ul class="navList" id="allclasses_navbar_bottom"> +<li><a href="../../../../allclasses-noframe.html">ææç±»</a></li> +</ul> +<div> +<script type="text/javascript"><!-- + allClassesLink = document.getElementById("allclasses_navbar_bottom"); + if(window==top) { + allClassesLink.style.display = "block"; + } + else { + allClassesLink.style.display = "none"; + } + //--> +</script> +</div> +<div> +<ul class="subNavList"> +<li>æ¦è¦: </li> +<li><a href="#nested.class.summary">åµå¥</a> | </li> +<li><a href="#field.summary">å段</a> | </li> +<li><a href="#constructor.summary">æé å¨</a> | </li> +<li><a href="#method.summary">æ¹æ³</a></li> +</ul> +<ul class="subNavList"> +<li>详ç»èµæ: </li> +<li><a href="#field.detail">å段</a> | </li> +<li><a href="#constructor.detail">æé å¨</a> | </li> +<li><a href="#method.detail">æ¹æ³</a></li> +</ul> +</div> +<a name="skip.navbar.bottom"> +<!-- --> +</a></div> +<!-- ======== END OF BOTTOM NAVBAR ======= --> +<p class="legalCopy"><small>Copyright © 2007–2018 <a href="https://www.apache.org/">The Apache Software Foundation</a>. 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See CellScanner class comment for why we go + dumber than java.util.Iterator.</div> +</li> +</ul> +</div> +<div class="summary"> +<ul class="blockList"> +<li class="blockList"> +<!-- ========== METHOD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="method.summary"> +<!-- --> +</a> +<h3>æ¹æ³æ¦è¦</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="æ¹æ³æ¦è¦è¡¨, å表æ¹æ³å解é"> +<caption><span id="t0" class="activeTableTab"><span>æææ¹æ³</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">å®ä¾æ¹æ³</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">æ½è±¡æ¹æ³</a></span><span class="tabEnd"> </span></span></caption> +<tr> +<th class="colFirst" scope="col">éå®ç¬¦åç±»å</th> +<th class="colLast" scope="col">æ¹æ³å说æ</th> +</tr> +<tr id="i0" class="altColor"> +<td class="colFirst"><code><a href="../../../../org/apache/hadoop/hbase/CellScanner.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">CellScanner</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/hbase/CellScannable.html#cellScanner--">cellScanner</a></span>()</code> </td> +</tr> +</table> +</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"> +<!-- --> +</a> +<h3>æ¹æ³è¯¦ç»èµæ</h3> +<a name="cellScanner--"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>cellScanner</h4> +<pre><a href="../../../../org/apache/hadoop/hbase/CellScanner.html" title="org.apache.hadoop.hbaseä¸çæ¥å£">CellScanner</a> <a href="../../../../src-html/org/apache/hadoop/hbase/CellScannable.html#line.33">cellScanner</a>()</pre> +<dl> +<dt><span class="returnLabel">è¿å:</span></dt> +<dd>A CellScanner over the contained <a href="../../../../org/apache/hadoop/hbase/Cell.html" title="org.apache.hadoop.hbaseä¸çæ¥å£"><code>Cell</code></a>s</dd> +</dl> +</li> +</ul> +</li> +</ul> +</li> +</ul> +</div> +</div> +<!-- ========= END OF CLASS DATA ========= --> +<!-- ======= START OF BOTTOM NAVBAR ====== --> +<div class="bottomNav"><a name="navbar.bottom"> +<!-- --> +</a> +<div class="skipNav"><a href="#skip.navbar.bottom" title="è·³è¿å¯¼èªé¾æ¥">è·³è¿å¯¼èªé¾æ¥</a></div> +<a name="navbar.bottom.firstrow"> +<!-- --> +</a> +<ul class="navList" title="导èª"> +<li><a href="../../../../overview-summary.html">æ¦è§</a></li> +<li><a href="package-summary.html">ç¨åºå </a></li> +<li class="navBarCell1Rev">ç±»</li> +<li><a href="class-use/CellScannable.html">使ç¨</a></li> +<li><a href="package-tree.html">æ </a></li> +<li><a href="../../../../deprecated-list.html">å·²è¿æ¶</a></li> +<li><a href="../../../../index-all.html">ç´¢å¼</a></li> +<li><a href="../../../../help-doc.html">帮å©</a></li> +</ul> +</div> +<div class="subNav"> +<ul class="navList"> +<li><a href="../../../../org/apache/hadoop/hbase/CellComparatorImpl.MetaCellComparator.html" title="org.apache.hadoop.hbaseä¸çç±»"><span class="typeNameLink">ä¸ä¸ä¸ªç±»</span></a></li> +<li><a href="../../../../org/apache/hadoop/hbase/CellScanner.html" title="org.apache.hadoop.hbaseä¸çæ¥å£"><span class="typeNameLink">ä¸ä¸ä¸ªç±»</span></a></li> +</ul> +<ul class="navList"> +<li><a href="../../../../index.html?org/apache/hadoop/hbase/CellScannable.html" target="_top">æ¡æ¶</a></li> +<li><a href="CellScannable.html" target="_top">æ æ¡æ¶</a></li> +</ul> +<ul class="navList" id="allclasses_navbar_bottom"> +<li><a href="../../../../allclasses-noframe.html">ææç±»</a></li> +</ul> +<div> +<script type="text/javascript"><!-- + allClassesLink = document.getElementById("allclasses_navbar_bottom"); + if(window==top) { + allClassesLink.style.display = "block"; + } + else { + allClassesLink.style.display = "none"; + } + //--> +</script> +</div> +<div> +<ul class="subNavList"> +<li>æ¦è¦: </li> +<li>åµå¥ | </li> +<li>å段 | </li> +<li>æé å¨ | </li> +<li><a href="#method.summary">æ¹æ³</a></li> +</ul> +<ul class="subNavList"> +<li>详ç»èµæ: </li> +<li>å段 | </li> +<li>æé å¨ | </li> +<li><a href="#method.detail">æ¹æ³</a></li> +</ul> +</div> +<a name="skip.navbar.bottom"> +<!-- --> +</a></div> +<!-- ======== END OF BOTTOM NAVBAR ======= --> +<p class="legalCopy"><small>Copyright © 2007–2018 <a href="https://www.apache.org/">The Apache Software Foundation</a>. 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