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 <div class="subTitle">org.apache.hadoop.hbase.io.hfile</div>
 <h2 title="Class HFileReaderImpl.HFileScannerImpl" class="title">Class HFileReaderImpl.HFileScannerImpl</h2>
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 <ul class="inheritance">
 <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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 <dt>All Implemented Interfaces:</dt>
 <dd><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a>, <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileScanner.html" title="interface in org.apache.hadoop.hbase.io.hfile">HFileScanner</a>, <a href="../../../../../../org/apache/hadoop/hbase/regionserver/Shipper.html" title="interface in org.apache.hadoop.hbase.regionserver">Shipper</a></dd>
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 <dl>
 <dt>Direct Known Subclasses:</dt>
 <dd><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.EncodedScanner.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileReaderImpl.EncodedScanner</a></dd>
 </dl>
 <dl>
 <dt>Enclosing class:</dt>
 <dd><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileReaderImpl</a></dd>
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 <hr>
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 <pre>protected static class <a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.html#line.313">HFileReaderImpl.HFileScannerImpl</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/io/hfile/HFileScanner.html" title="interface in org.apache.hadoop.hbase.io.hfile">HFileScanner</a></pre>
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 <h3>Field Summary</h3>
 <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
 <caption><span>Fields</span><span class="tabEnd">&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>private <a href="../../../../../../org/apache/hadoop/hbase/nio/ByteBuff.html" title="class in org.apache.hadoop.hbase.nio">ByteBuff</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#blockBuffer">blockBuffer</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/ByteBufferKeyOnlyKeyValue.html" title="class in org.apache.hadoop.hbase">ByteBufferKeyOnlyKeyValue</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#bufBackedKeyOnlyKv">bufBackedKeyOnlyKv</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#cacheBlocks">cacheBlocks</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#curBlock">curBlock</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>private int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#currKeyLen">currKeyLen</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>private long</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#currMemstoreTS">currMemstoreTS</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>private int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#currMemstoreTSLen">currMemstoreTSLen</a></span></code>&nbsp;</td>
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 <tr class="rowColor">
 <td class="colFirst"><code>private int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#currTagsLen">currTagsLen</a></span></code>&nbsp;</td>
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 <tr class="altColor">
 <td class="colFirst"><code>private int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#currValueLen">currValueLen</a></span></code>&nbsp;</td>
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 <tr class="rowColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#isCompaction">isCompaction</a></span></code>&nbsp;</td>
 </tr>
 <tr class="altColor">
 <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/io/hfile/HFileReaderImpl.HFileScannerImpl.html#nextIndexedKey">nextIndexedKey</a></span></code>
 <div class="block">The next indexed key is to keep track of the indexed key of the next data block.</div>
 </td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>(package private) <a href="../../../../../../org/apache/hadoop/hbase/util/ObjectIntPair.html" title="class in org.apache.hadoop.hbase.util">ObjectIntPair</a>&lt;<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>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#pair">pair</a></span></code>&nbsp;</td>
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 <tr class="altColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#pread">pread</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html?is-external=true" title="class or interface in java.util">ArrayList</a>&lt;<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a>&gt;</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#prevBlocks">prevBlocks</a></span></code>&nbsp;</td>
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 <tr class="altColor">
 <td class="colFirst"><code>protected <a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFile.Reader.html" title="interface in org.apache.hadoop.hbase.io.hfile">HFile.Reader</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#reader">reader</a></span></code>&nbsp;</td>
 </tr>
 <tr class="rowColor">
 <td class="colFirst"><code>private short</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#rowLen">rowLen</a></span></code>&nbsp;</td>
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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="colOne" scope="col">Constructor and Description</th>
 </tr>
 <tr class="altColor">
 <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#HFileScannerImpl-org.apache.hadoop.hbase.io.hfile.HFile.Reader-boolean-boolean-boolean-">HFileScannerImpl</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFile.Reader.html" title="interface in org.apache.hadoop.hbase.io.hfile">HFile.Reader</a>&nbsp;reader,
                 boolean&nbsp;cacheBlocks,
                 boolean&nbsp;pread,
                 boolean&nbsp;isCompaction)</code>&nbsp;</td>
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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="t2" class="tableTab"><span><a href="javascript:show(2);">Instance 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>
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 <tr id="i0" class="altColor">
 <td class="colFirst"><code>private boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#Z:Z_next--">_next</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>private void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#Z:Z_readMvccVersion-int-">_readMvccVersion</a></span>(int&nbsp;offsetFromPos)</code>
 <div class="block">Actually do the mvcc read.</div>
 </td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code>protected void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#assertSeeked--">assertSeeked</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>protected int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#blockSeek-org.apache.hadoop.hbase.Cell-boolean-">blockSeek</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;key,
          boolean&nbsp;seekBefore)</code>
 <div class="block">Within a loaded block, seek looking for the last key that is smaller than
  (or equal to?) the key we are interested in.</div>
 </td>
 </tr>
 <tr id="i4" class="altColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#checkKeyLen-int-">checkKeyLen</a></span>(int&nbsp;v)</code>&nbsp;</td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>protected void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#checkKeyValueLen--">checkKeyValueLen</a></span>()</code>
 <div class="block">Check key and value lengths are wholesome.</div>
 </td>
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 <tr id="i6" class="altColor">
 <td class="colFirst"><code>protected boolean</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#checkLen-int-">checkLen</a></span>(int&nbsp;v)</code>&nbsp;</td>
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 <tr id="i7" class="rowColor">
 <td class="colFirst"><code>private void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#checkTagsLen--">checkTagsLen</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i8" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#close--">close</a></span>()</code>
 <div class="block">Close this HFile scanner and do necessary cleanup.</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/io/hfile/HFileReaderImpl.HFileScannerImpl.html#compareKey-org.apache.hadoop.hbase.CellComparator-org.apache.hadoop.hbase.Cell-">compareKey</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/CellComparator.html" title="interface in org.apache.hadoop.hbase">CellComparator</a>&nbsp;comparator,
           <a href="../../../../../../org/apache/hadoop/hbase/Cell.html" title="interface in org.apache.hadoop.hbase">Cell</a>&nbsp;key)</code>&nbsp;</td>
 </tr>
 <tr id="i10" class="altColor">
 <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/io/hfile/HFileReaderImpl.HFileScannerImpl.html#getCell--">getCell</a></span>()</code>&nbsp;</td>
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 <tr id="i11" class="rowColor">
 <td class="colFirst"><code>private int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#getCurCellSerializedSize--">getCurCellSerializedSize</a></span>()</code>&nbsp;</td>
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 <tr id="i12" class="altColor">
 <td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/io/encoding/DataBlockEncoding.html" title="enum in org.apache.hadoop.hbase.io.encoding">DataBlockEncoding</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#getEffectiveDataBlockEncoding--">getEffectiveDataBlockEncoding</a></span>()</code>&nbsp;</td>
 </tr>
 <tr id="i13" 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/io/hfile/HFileReaderImpl.HFileScannerImpl.html#getFirstKeyCellInBlock-org.apache.hadoop.hbase.io.hfile.HFileBlock-">getFirstKeyCellInBlock</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a>&nbsp;curBlock)</code>&nbsp;</td>
 </tr>
 <tr id="i14" class="altColor">
 <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/io/hfile/HFileReaderImpl.HFileScannerImpl.html#getKey--">getKey</a></span>()</code>
 <div class="block">Gets the current key in the form of a cell.</div>
 </td>
 </tr>
 <tr id="i15" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#getKeyString--">getKeyString</a></span>()</code>
 <div class="block">Convenience method to get a copy of the key as a string - interpreting the
  bytes as UTF8.</div>
 </td>
 </tr>
 <tr id="i16" class="altColor">
 <td class="colFirst"><code>private int</code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#getKVBufSize--">getKVBufSize</a></span>()</code>&nbsp;</td>
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 <tr id="i17" 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/io/hfile/HFileReaderImpl.HFileScannerImpl.html#getNextIndexedKey--">getNextIndexedKey</a></span>()</code>&nbsp;</td>
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 <tr id="i18" class="altColor">
 <td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFile.Reader.html" title="interface in org.apache.hadoop.hbase.io.hfile">HFile.Reader</a></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#getReader--">getReader</a></span>()</code>&nbsp;</td>
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 <tr id="i19" class="rowColor">
 <td class="colFirst"><code><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></code></td>
 <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/io/hfile/HFileReaderImpl.HFileScannerImpl.html#getValue--">getValue</a></span>()</code>
 <div class="block">Gets a buffer view to the current value.</div>
 </td>
 </tr>
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 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
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 <div class="block">Reseek to or just before the passed <code>cell</code>. Similar to seekTo
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 <dt><span class="returnLabel">Returns:</span></dt>
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