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<div class="subTitle">org.apache.hadoop.hbase.regionserver.querymatcher</div>
<h2 title="Class ScanQueryMatcher" class="title">Class ScanQueryMatcher</h2>
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<li>org.apache.hadoop.hbase.regionserver.querymatcher.ScanQueryMatcher</li>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../../org/apache/hadoop/hbase/regionserver/ShipperListener.html" title="interface in org.apache.hadoop.hbase.regionserver">ShipperListener</a></dd>
</dl>
<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/CompactionScanQueryMatcher.html" title="class in org.apache.hadoop.hbase.regionserver.querymatcher">CompactionScanQueryMatcher</a>, <a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/UserScanQueryMatcher.html" title="class in org.apache.hadoop.hbase.regionserver.querymatcher">UserScanQueryMatcher</a></dd>
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<pre>@InterfaceAudience.Private
public abstract class <a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.51">ScanQueryMatcher</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/ShipperListener.html" title="interface in org.apache.hadoop.hbase.regionserver">ShipperListener</a></pre>
<div class="block">A query matcher that is specifically designed for the scan case.</div>
</li>
</ul>
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<h3>Nested Class Summary</h3>
<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Nested Class Summary table, listing nested classes, and an explanation">
<caption><span>Nested Classes</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.MatchCode.html" title="enum in org.apache.hadoop.hbase.regionserver.querymatcher">ScanQueryMatcher.MatchCode</a></span></code>
<div class="block"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#match-org.apache.hadoop.hbase.Cell-"><code>match(org.apache.hadoop.hbase.Cell)</code></a> return codes.</div>
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</table>
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<h3>Field Summary</h3>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</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/regionserver/querymatcher/ColumnTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.querymatcher">ColumnTracker</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#columns">columns</a></span></code>
<div class="block">Keeps track of columns and versions</div>
</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/querymatcher/ScanQueryMatcher.html#currentRow">currentRow</a></span></code>
<div class="block">Row the query is on</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#now">now</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#oldestUnexpiredTS">oldestUnexpiredTS</a></span></code>
<div class="block">The oldest timestamp we are interested in, based on TTL</div>
</td>
</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/querymatcher/ScanQueryMatcher.html#rowComparator">rowComparator</a></span></code>
<div class="block">Row comparator for the region this query is for</div>
</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/querymatcher/ScanQueryMatcher.html#startKey">startKey</a></span></code>
<div class="block">Key to seek to in memstore and StoreFiles</div>
</td>
</tr>
</table>
</li>
</ul>
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<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">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier</th>
<th class="colLast" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#ScanQueryMatcher-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.regionserver.ScanInfo-org.apache.hadoop.hbase.regionserver.querymatcher.ColumnTracker-long-long-">ScanQueryMatcher</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;startKey,
<a href="../../../../../../org/apache/hadoop/hbase/regionserver/ScanInfo.html" title="class in org.apache.hadoop.hbase.regionserver">ScanInfo</a>&nbsp;scanInfo,
<a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ColumnTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.querymatcher">ColumnTracker</a>&nbsp;columns,
long&nbsp;oldestUnexpiredTS,
long&nbsp;now)</code>&nbsp;</td>
</tr>
</table>
</li>
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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">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</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/querymatcher/ScanQueryMatcher.html#beforeShipped--">beforeShipped</a></span>()</code>
<div class="block">The action that needs to be performed before <a href="../../../../../../org/apache/hadoop/hbase/regionserver/Shipper.html#shipped--"><code>Shipper.shipped()</code></a> is performed</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>(package private) static <a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.MatchCode.html" title="enum in org.apache.hadoop.hbase.regionserver.querymatcher">ScanQueryMatcher.MatchCode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#checkColumn-org.apache.hadoop.hbase.regionserver.querymatcher.ColumnTracker-byte:A-int-int-long-byte-boolean-">checkColumn</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ColumnTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.querymatcher">ColumnTracker</a>&nbsp;columnTracker,
byte[]&nbsp;bytes,
int&nbsp;offset,
int&nbsp;length,
long&nbsp;ttl,
byte&nbsp;type,
boolean&nbsp;ignoreCount)</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.MatchCode.html" title="enum in org.apache.hadoop.hbase.regionserver.querymatcher">ScanQueryMatcher.MatchCode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#checkDeleted-org.apache.hadoop.hbase.regionserver.querymatcher.DeleteTracker-org.apache.hadoop.hbase.Cell-">checkDeleted</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/DeleteTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.querymatcher">DeleteTracker</a>&nbsp;deletes,
<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#clearCurrentRow--">clearCurrentRow</a></span>()</code>
<div class="block">Make <a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#currentRow--"><code>currentRow()</code></a> return null.</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/regionserver/querymatcher/ScanQueryMatcher.html#compareKeyForNextColumn-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compareKeyForNextColumn</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;nextIndexed,
<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;currentCell)</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#compareKeyForNextRow-org.apache.hadoop.hbase.Cell-org.apache.hadoop.hbase.Cell-">compareKeyForNextRow</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;nextIndexed,
<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;currentCell)</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>protected static <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/querymatcher/ScanQueryMatcher.html#createStartKeyFromRow-byte:A-org.apache.hadoop.hbase.regionserver.ScanInfo-">createStartKeyFromRow</a></span>(byte[]&nbsp;startRow,
<a href="../../../../../../org/apache/hadoop/hbase/regionserver/ScanInfo.html" title="class in org.apache.hadoop.hbase.regionserver">ScanInfo</a>&nbsp;scanInfo)</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><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/querymatcher/ScanQueryMatcher.html#currentRow--">currentRow</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>abstract <a href="../../../../../../org/apache/hadoop/hbase/filter/Filter.html" title="class in org.apache.hadoop.hbase.filter">Filter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#getFilter--">getFilter</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><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/querymatcher/ScanQueryMatcher.html#getKeyForNextColumn-org.apache.hadoop.hbase.Cell-">getKeyForNextColumn</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>abstract <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/querymatcher/ScanQueryMatcher.html#getNextKeyHint-org.apache.hadoop.hbase.Cell-">getNextKeyHint</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</code>
<div class="block">Delegate to <a href="../../../../../../org/apache/hadoop/hbase/filter/Filter.html#getNextCellHint-org.apache.hadoop.hbase.Cell-"><code>Filter.getNextCellHint(Cell)</code></a>.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><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/querymatcher/ScanQueryMatcher.html#getStartKey--">getStartKey</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>protected static <a href="../../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a>&lt;<a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/DeleteTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.querymatcher">DeleteTracker</a>,<a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ColumnTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.querymatcher">ColumnTracker</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#getTrackers-org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost-java.util.NavigableSet-org.apache.hadoop.hbase.regionserver.ScanInfo-long-org.apache.hadoop.hbase.client.Scan-">getTrackers</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.html" title="class in org.apache.hadoop.hbase.regionserver">RegionCoprocessorHost</a>&nbsp;host,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/NavigableSet.html?is-external=true" title="class or interface in java.util">NavigableSet</a>&lt;byte[]&gt;&nbsp;columns,
<a href="../../../../../../org/apache/hadoop/hbase/regionserver/ScanInfo.html" title="class in org.apache.hadoop.hbase.regionserver">ScanInfo</a>&nbsp;scanInfo,
long&nbsp;oldestUnexpiredTS,
<a href="../../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>&nbsp;userScan)</code>&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>abstract boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#hasNullColumnInQuery--">hasNullColumnInQuery</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>private static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#isCellTTLExpired-org.apache.hadoop.hbase.Cell-long-long-">isCellTTLExpired</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell,
long&nbsp;oldestTimestamp,
long&nbsp;now)</code>&nbsp;</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>abstract boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#isUserScan--">isUserScan</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>abstract <a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.MatchCode.html" title="enum in org.apache.hadoop.hbase.regionserver.querymatcher">ScanQueryMatcher.MatchCode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#match-org.apache.hadoop.hbase.Cell-">match</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</code>
<div class="block">Determines if the caller should do one of several things:
seek/skip to the next row (MatchCode.SEEK_NEXT_ROW)
seek/skip to the next column (MatchCode.SEEK_NEXT_COL)
include the current KeyValue (MatchCode.INCLUDE)
ignore the current KeyValue (MatchCode.SKIP)
got to the next row (MatchCode.DONE)
</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>abstract boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#moreRowsMayExistAfter-org.apache.hadoop.hbase.Cell-">moreRowsMayExistAfter</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</code>&nbsp;</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.MatchCode.html" title="enum in org.apache.hadoop.hbase.regionserver.querymatcher">ScanQueryMatcher.MatchCode</a></code></td>
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<div class="block">Check before the delete logic.</div>
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<tr id="i19" class="rowColor">
<td class="colFirst"><code>protected abstract void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#reset--">reset</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#setToNewRow-org.apache.hadoop.hbase.Cell-">setToNewRow</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;currentRow)</code>
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<h3>Field Detail</h3>
<a name="rowComparator">
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<h4>rowComparator</h4>
<pre>protected final&nbsp;<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/querymatcher/ScanQueryMatcher.html#line.117">rowComparator</a></pre>
<div class="block">Row comparator for the region this query is for</div>
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<h4>startKey</h4>
<pre>protected final&nbsp;<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/querymatcher/ScanQueryMatcher.html#line.120">startKey</a></pre>
<div class="block">Key to seek to in memstore and StoreFiles</div>
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<a name="columns">
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<h4>columns</h4>
<pre>protected final&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ColumnTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.querymatcher">ColumnTracker</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.123">columns</a></pre>
<div class="block">Keeps track of columns and versions</div>
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<a name="oldestUnexpiredTS">
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<h4>oldestUnexpiredTS</h4>
<pre>protected final&nbsp;long <a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.126">oldestUnexpiredTS</a></pre>
<div class="block">The oldest timestamp we are interested in, based on TTL</div>
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<a name="now">
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<h4>now</h4>
<pre>protected final&nbsp;long <a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.128">now</a></pre>
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<h4>currentRow</h4>
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<div class="block">Row the query is on</div>
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<h3>Constructor Detail</h3>
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<h4>ScanQueryMatcher</h4>
<pre>protected&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.133">ScanQueryMatcher</a>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;startKey,
<a href="../../../../../../org/apache/hadoop/hbase/regionserver/ScanInfo.html" title="class in org.apache.hadoop.hbase.regionserver">ScanInfo</a>&nbsp;scanInfo,
<a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ColumnTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.querymatcher">ColumnTracker</a>&nbsp;columns,
long&nbsp;oldestUnexpiredTS,
long&nbsp;now)</pre>
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<pre>private static&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.147">isCellTTLExpired</a>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell,
long&nbsp;oldestTimestamp,
long&nbsp;now)</pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cell</code> - </dd>
<dd><code>oldestTimestamp</code> - </dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if the cell is expired</dd>
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<pre>protected final&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.MatchCode.html" title="enum in org.apache.hadoop.hbase.regionserver.querymatcher">ScanQueryMatcher.MatchCode</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.176">preCheck</a>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</pre>
<div class="block">Check before the delete logic.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>null means continue.</dd>
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<pre>protected final&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.MatchCode.html" title="enum in org.apache.hadoop.hbase.regionserver.querymatcher">ScanQueryMatcher.MatchCode</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.205">checkDeleted</a>(<a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/DeleteTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.querymatcher">DeleteTracker</a>&nbsp;deletes,
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<h4>match</h4>
<pre>public abstract&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.MatchCode.html" title="enum in org.apache.hadoop.hbase.regionserver.querymatcher">ScanQueryMatcher.MatchCode</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.244">match</a>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)
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">Determines if the caller should do one of several things:
<ul>
<li>seek/skip to the next row (MatchCode.SEEK_NEXT_ROW)</li>
<li>seek/skip to the next column (MatchCode.SEEK_NEXT_COL)</li>
<li>include the current KeyValue (MatchCode.INCLUDE)</li>
<li>ignore the current KeyValue (MatchCode.SKIP)</li>
<li>got to the next row (MatchCode.DONE)</li>
</ul></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cell</code> - KeyValue to check</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The match code instance.</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 there is an internal consistency problem caused by a data
corruption.</dd>
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<a name="getStartKey--">
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<h4>getStartKey</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.249">getStartKey</a>()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the start key</dd>
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<a name="hasNullColumnInQuery--">
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<h4>hasNullColumnInQuery</h4>
<pre>public abstract&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.256">hasNullColumnInQuery</a>()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether there is an null column in the query</dd>
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<a name="currentRow--">
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<h4>currentRow</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.261">currentRow</a>()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a cell represent the current row</dd>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.268">clearCurrentRow</a>()</pre>
<div class="block">Make <a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#currentRow--"><code>currentRow()</code></a> return null.</div>
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<h4>reset</h4>
<pre>protected abstract&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.272">reset</a>()</pre>
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<div class="block">Set the row when there is change in row</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>currentRow</code> - </dd>
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<pre>public abstract&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.284">isUserScan</a>()</pre>
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<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Returns false if we know there are no more rows to be scanned (We've reached the
<code>stopRow</code> or we are scanning on row only because this Scan is for a Get,
etc.</dd>
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<pre>public&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.293">getKeyForNextColumn</a>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)</pre>
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<pre>public&nbsp;int&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.321">compareKeyForNextRow</a>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;nextIndexed,
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<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nextIndexed</code> - the key of the next entry in the block index (if any)</dd>
<dd><code>currentCell</code> - The Cell we're using to calculate the seek key</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>result of the compare between the indexed key and the key portion of the passed cell</dd>
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<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;currentCell)</pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nextIndexed</code> - the key of the next entry in the block index (if any)</dd>
<dd><code>currentCell</code> - The Cell we're using to calculate the seek key</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>result of the compare between the indexed key and the key portion of the passed cell</dd>
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<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the Filter</dd>
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<h4>getNextKeyHint</h4>
<pre>public abstract&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.352">getNextKeyHint</a>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;cell)
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">Delegate to <a href="../../../../../../org/apache/hadoop/hbase/filter/Filter.html#getNextCellHint-org.apache.hadoop.hbase.Cell-"><code>Filter.getNextCellHint(Cell)</code></a>. If no filter, return <code>null</code>.</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></dd>
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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>
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<div class="block">The action that needs to be performed before <a href="../../../../../../org/apache/hadoop/hbase/regionserver/Shipper.html#shipped--"><code>Shipper.shipped()</code></a> is performed</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hbase/regionserver/ShipperListener.html#beforeShipped--">beforeShipped</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/regionserver/ShipperListener.html" title="interface in org.apache.hadoop.hbase.regionserver">ShipperListener</a></code></dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<pre>protected static&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/util/Pair.html" title="class in org.apache.hadoop.hbase.util">Pair</a>&lt;<a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/DeleteTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.querymatcher">DeleteTracker</a>,<a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ColumnTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.querymatcher">ColumnTracker</a>&gt;&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.368">getTrackers</a>(<a href="../../../../../../org/apache/hadoop/hbase/regionserver/RegionCoprocessorHost.html" title="class in org.apache.hadoop.hbase.regionserver">RegionCoprocessorHost</a>&nbsp;host,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/NavigableSet.html?is-external=true" title="class or interface in java.util">NavigableSet</a>&lt;byte[]&gt;&nbsp;columns,
<a href="../../../../../../org/apache/hadoop/hbase/regionserver/ScanInfo.html" title="class in org.apache.hadoop.hbase.regionserver">ScanInfo</a>&nbsp;scanInfo,
long&nbsp;oldestUnexpiredTS,
<a href="../../../../../../org/apache/hadoop/hbase/client/Scan.html" title="class in org.apache.hadoop.hbase.client">Scan</a>&nbsp;userScan)
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>
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<pre>static&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.MatchCode.html" title="enum in org.apache.hadoop.hbase.regionserver.querymatcher">ScanQueryMatcher.MatchCode</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/regionserver/querymatcher/ScanQueryMatcher.html#line.415">checkColumn</a>(<a href="../../../../../../org/apache/hadoop/hbase/regionserver/querymatcher/ColumnTracker.html" title="interface in org.apache.hadoop.hbase.regionserver.querymatcher">ColumnTracker</a>&nbsp;columnTracker,
byte[]&nbsp;bytes,
int&nbsp;offset,
int&nbsp;length,
long&nbsp;ttl,
byte&nbsp;type,
boolean&nbsp;ignoreCount)
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>
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