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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.hadoop.hbase.io.hfile</a></div> |
| <h1 title="Interface HFile.Reader" class="title">Interface HFile.Reader</h1> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Superinterfaces:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/AutoCloseable.html" title="class or interface in java.lang" class="external-link">AutoCloseable</a></code>, <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/Closeable.html" title="class or interface in java.io" class="external-link">Closeable</a></code>, <code><a href="HFile.CachingBlockReader.html" title="interface in org.apache.hadoop.hbase.io.hfile">HFile.CachingBlockReader</a></code></dd> |
| </dl> |
| <dl class="notes"> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="HFilePreadReader.html" title="class in org.apache.hadoop.hbase.io.hfile">HFilePreadReader</a></code>, <code><a href="HFileReaderImpl.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileReaderImpl</a></code>, <code><a href="HFileStreamReader.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileStreamReader</a></code></dd> |
| </dl> |
| <dl class="notes"> |
| <dt>Enclosing class:</dt> |
| <dd><a href="HFile.html" title="class in org.apache.hadoop.hbase.io.hfile">HFile</a></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public static interface </span><span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.html#line-384">HFile.Reader</a></span><span class="extends-implements"> |
| extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/Closeable.html" title="class or interface in java.io" class="external-link">Closeable</a>, <a href="HFile.CachingBlockReader.html" title="interface in org.apache.hadoop.hbase.io.hfile">HFile.CachingBlockReader</a></span></div> |
| <div class="block">An interface used by clients to open and iterate an <a href="HFile.html" title="class in org.apache.hadoop.hbase.io.hfile"><code>HFile</code></a>.</div> |
| </section> |
| <section class="summary"> |
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| <!-- ========== METHOD SUMMARY =========== --> |
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| <h2>Method Summary</h2> |
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| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#close(boolean)" class="member-name-link">close</a><wbr>(boolean evictOnClose)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Close method with optional evictOnClose</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="../../CellComparator.html" title="interface in org.apache.hadoop.hbase">CellComparator</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getComparator()" class="member-name-link">getComparator</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="ReaderContext.html" title="class in org.apache.hadoop.hbase.io.hfile">ReaderContext</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getContext()" class="member-name-link">getContext</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="../encoding/DataBlockEncoding.html" title="enum class in org.apache.hadoop.hbase.io.encoding">DataBlockEncoding</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getDataBlockEncoding()" class="member-name-link">getDataBlockEncoding</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="HFileBlockIndex.CellBasedKeyBlockIndexReader.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlockIndex.CellBasedKeyBlockIndexReader</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getDataBlockIndexReader()" class="member-name-link">getDataBlockIndexReader</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/DataInput.html" title="class or interface in java.io" class="external-link">DataInput</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getDeleteBloomFilterMetadata()" class="member-name-link">getDeleteBloomFilterMetadata</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Retrieves delete family Bloom filter metadata as appropriate for each <a href="HFile.html" title="class in org.apache.hadoop.hbase.io.hfile"><code>HFile</code></a> version.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="../encoding/DataBlockEncoding.html" title="enum class in org.apache.hadoop.hbase.io.encoding">DataBlockEncoding</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getEffectiveEncodingInCache(boolean)" class="member-name-link">getEffectiveEncodingInCache</a><wbr>(boolean isCompaction)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>long</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getEntries()" class="member-name-link">getEntries</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="HFileContext.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileContext</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getFileContext()" class="member-name-link">getFileContext</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Return the file context of the HFile this reader belongs to</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class or interface in java.util" class="external-link">Optional</a><<a href="../../ExtendedCell.html" title="interface in org.apache.hadoop.hbase">ExtendedCell</a>></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getFirstKey()" class="member-name-link">getFirstKey</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class or interface in java.util" class="external-link">Optional</a><byte[]></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getFirstRowKey()" class="member-name-link">getFirstRowKey</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/DataInput.html" title="class or interface in java.io" class="external-link">DataInput</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getGeneralBloomFilterMetadata()" class="member-name-link">getGeneralBloomFilterMetadata</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Retrieves general Bloom filter metadata as appropriate for each <a href="HFile.html" title="class in org.apache.hadoop.hbase.io.hfile"><code>HFile</code></a> version.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="HFileInfo.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileInfo</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getHFileInfo()" class="member-name-link">getHFileInfo</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class or interface in java.util" class="external-link">Optional</a><<a href="../../ExtendedCell.html" title="interface in org.apache.hadoop.hbase">ExtendedCell</a>></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getLastKey()" class="member-name-link">getLastKey</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class or interface in java.util" class="external-link">Optional</a><byte[]></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getLastRowKey()" class="member-name-link">getLastRowKey</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getMetaBlock(java.lang.String,boolean)" class="member-name-link">getMetaBlock</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> metaBlockName, |
| boolean cacheBlock)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="HFileBlockIndex.ByteArrayKeyBlockIndexReader.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlockIndex.ByteArrayKeyBlockIndexReader</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getMetaBlockIndexReader()" class="member-name-link">getMetaBlockIndexReader</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getName()" class="member-name-link">getName</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Returns this reader's "name".</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>org.apache.hadoop.fs.Path</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getPath()" class="member-name-link">getPath</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="HFileScanner.html" title="interface in org.apache.hadoop.hbase.io.hfile">HFileScanner</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getScanner(org.apache.hadoop.conf.Configuration,boolean,boolean)" class="member-name-link">getScanner</a><wbr>(org.apache.hadoop.conf.Configuration conf, |
| boolean cacheBlocks, |
| boolean pread)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="HFileScanner.html" title="interface in org.apache.hadoop.hbase.io.hfile">HFileScanner</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getScanner(org.apache.hadoop.conf.Configuration,boolean,boolean,boolean)" class="member-name-link">getScanner</a><wbr>(org.apache.hadoop.conf.Configuration conf, |
| boolean cacheBlocks, |
| boolean pread, |
| boolean isCompaction)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="FixedFileTrailer.html" title="class in org.apache.hadoop.hbase.io.hfile">FixedFileTrailer</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getTrailer()" class="member-name-link">getTrailer</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="HFileBlock.FSReader.html" title="interface in org.apache.hadoop.hbase.io.hfile">HFileBlock.FSReader</a></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getUncachedBlockReader()" class="member-name-link">getUncachedBlockReader</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#hasMVCCInfo()" class="member-name-link">hasMVCCInfo</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>long</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#indexSize()" class="member-name-link">indexSize</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#isPrimaryReplicaReader()" class="member-name-link">isPrimaryReplicaReader</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>long</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#length()" class="member-name-link">length</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class or interface in java.util" class="external-link">Optional</a><<a href="../../ExtendedCell.html" title="interface in org.apache.hadoop.hbase">ExtendedCell</a>></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#midKey()" class="member-name-link">midKey</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>boolean</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#prefetchComplete()" class="member-name-link">prefetchComplete</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#prefetchStarted()" class="member-name-link">prefetchStarted</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#setDataBlockEncoder(org.apache.hadoop.hbase.io.hfile.HFileDataBlockEncoder)" class="member-name-link">setDataBlockEncoder</a><wbr>(<a href="HFileDataBlockEncoder.html" title="interface in org.apache.hadoop.hbase.io.hfile">HFileDataBlockEncoder</a> dataBlockEncoder)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#setDataBlockIndexReader(org.apache.hadoop.hbase.io.hfile.HFileBlockIndex.CellBasedKeyBlockIndexReader)" class="member-name-link">setDataBlockIndexReader</a><wbr>(<a href="HFileBlockIndex.CellBasedKeyBlockIndexReader.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlockIndex.CellBasedKeyBlockIndexReader</a> reader)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#setMetaBlockIndexReader(org.apache.hadoop.hbase.io.hfile.HFileBlockIndex.ByteArrayKeyBlockIndexReader)" class="member-name-link">setMetaBlockIndexReader</a><wbr>(<a href="HFileBlockIndex.ByteArrayKeyBlockIndexReader.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlockIndex.ByteArrayKeyBlockIndexReader</a> reader)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#unbufferStream()" class="member-name-link">unbufferStream</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">To close the stream's socket.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.io.Closeable">Methods inherited from interface java.io.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/Closeable.html" title="class or interface in java.io" class="external-link">Closeable</a></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/Closeable.html#close()" title="class or interface in java.io" class="external-link">close</a></code></div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.hadoop.hbase.io.hfile.HFile.CachingBlockReader">Methods inherited from interface org.apache.hadoop.hbase.io.hfile.<a href="HFile.CachingBlockReader.html" title="interface in org.apache.hadoop.hbase.io.hfile">HFile.CachingBlockReader</a></h3> |
| <code><a href="HFile.CachingBlockReader.html#readBlock(long,long,boolean,boolean,boolean,boolean,org.apache.hadoop.hbase.io.hfile.BlockType,org.apache.hadoop.hbase.io.encoding.DataBlockEncoding)">readBlock</a>, <a href="HFile.CachingBlockReader.html#readBlock(long,long,boolean,boolean,boolean,boolean,org.apache.hadoop.hbase.io.hfile.BlockType,org.apache.hadoop.hbase.io.encoding.DataBlockEncoding,boolean)">readBlock</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="getName()"> |
| <h3>getName</h3> |
| <div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-389">getName</a></span>()</div> |
| <div class="block">Returns this reader's "name". Usually the last component of the path. Needs to be constant as |
| the file is being moved to support caching on write.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getComparator()"> |
| <h3>getComparator</h3> |
| <div class="member-signature"><span class="return-type"><a href="../../CellComparator.html" title="interface in org.apache.hadoop.hbase">CellComparator</a></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-391">getComparator</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getScanner(org.apache.hadoop.conf.Configuration,boolean,boolean,boolean)"> |
| <h3>getScanner</h3> |
| <div class="member-signature"><span class="return-type"><a href="HFileScanner.html" title="interface in org.apache.hadoop.hbase.io.hfile">HFileScanner</a></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-393">getScanner</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration conf, |
| boolean cacheBlocks, |
| boolean pread, |
| boolean isCompaction)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getMetaBlock(java.lang.String,boolean)"> |
| <h3>getMetaBlock</h3> |
| <div class="member-signature"><span class="return-type"><a href="HFileBlock.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlock</a></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-396">getMetaBlock</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> metaBlockName, |
| boolean cacheBlock)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getLastKey()"> |
| <h3>getLastKey</h3> |
| <div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class or interface in java.util" class="external-link">Optional</a><<a href="../../ExtendedCell.html" title="interface in org.apache.hadoop.hbase">ExtendedCell</a>></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-398">getLastKey</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="midKey()"> |
| <h3>midKey</h3> |
| <div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class or interface in java.util" class="external-link">Optional</a><<a href="../../ExtendedCell.html" title="interface in org.apache.hadoop.hbase">ExtendedCell</a>></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-400">midKey</a></span>() |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="length()"> |
| <h3>length</h3> |
| <div class="member-signature"><span class="return-type">long</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-402">length</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getEntries()"> |
| <h3>getEntries</h3> |
| <div class="member-signature"><span class="return-type">long</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-404">getEntries</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getFirstKey()"> |
| <h3>getFirstKey</h3> |
| <div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class or interface in java.util" class="external-link">Optional</a><<a href="../../ExtendedCell.html" title="interface in org.apache.hadoop.hbase">ExtendedCell</a>></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-406">getFirstKey</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="indexSize()"> |
| <h3>indexSize</h3> |
| <div class="member-signature"><span class="return-type">long</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-408">indexSize</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getFirstRowKey()"> |
| <h3>getFirstRowKey</h3> |
| <div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class or interface in java.util" class="external-link">Optional</a><byte[]></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-410">getFirstRowKey</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getLastRowKey()"> |
| <h3>getLastRowKey</h3> |
| <div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Optional.html" title="class or interface in java.util" class="external-link">Optional</a><byte[]></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-412">getLastRowKey</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getTrailer()"> |
| <h3>getTrailer</h3> |
| <div class="member-signature"><span class="return-type"><a href="FixedFileTrailer.html" title="class in org.apache.hadoop.hbase.io.hfile">FixedFileTrailer</a></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-414">getTrailer</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="setDataBlockIndexReader(org.apache.hadoop.hbase.io.hfile.HFileBlockIndex.CellBasedKeyBlockIndexReader)"> |
| <h3>setDataBlockIndexReader</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-416">setDataBlockIndexReader</a></span><wbr><span class="parameters">(<a href="HFileBlockIndex.CellBasedKeyBlockIndexReader.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlockIndex.CellBasedKeyBlockIndexReader</a> reader)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getDataBlockIndexReader()"> |
| <h3>getDataBlockIndexReader</h3> |
| <div class="member-signature"><span class="return-type"><a href="HFileBlockIndex.CellBasedKeyBlockIndexReader.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlockIndex.CellBasedKeyBlockIndexReader</a></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-418">getDataBlockIndexReader</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="setMetaBlockIndexReader(org.apache.hadoop.hbase.io.hfile.HFileBlockIndex.ByteArrayKeyBlockIndexReader)"> |
| <h3>setMetaBlockIndexReader</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-420">setMetaBlockIndexReader</a></span><wbr><span class="parameters">(<a href="HFileBlockIndex.ByteArrayKeyBlockIndexReader.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlockIndex.ByteArrayKeyBlockIndexReader</a> reader)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getMetaBlockIndexReader()"> |
| <h3>getMetaBlockIndexReader</h3> |
| <div class="member-signature"><span class="return-type"><a href="HFileBlockIndex.ByteArrayKeyBlockIndexReader.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileBlockIndex.ByteArrayKeyBlockIndexReader</a></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-422">getMetaBlockIndexReader</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getScanner(org.apache.hadoop.conf.Configuration,boolean,boolean)"> |
| <h3>getScanner</h3> |
| <div class="member-signature"><span class="return-type"><a href="HFileScanner.html" title="interface in org.apache.hadoop.hbase.io.hfile">HFileScanner</a></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-424">getScanner</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration conf, |
| boolean cacheBlocks, |
| boolean pread)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getGeneralBloomFilterMetadata()"> |
| <h3>getGeneralBloomFilterMetadata</h3> |
| <div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/DataInput.html" title="class or interface in java.io" class="external-link">DataInput</a></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-430">getGeneralBloomFilterMetadata</a></span>() |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">Retrieves general Bloom filter metadata as appropriate for each <a href="HFile.html" title="class in org.apache.hadoop.hbase.io.hfile"><code>HFile</code></a> version. Knows |
| nothing about how that metadata is structured.</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getDeleteBloomFilterMetadata()"> |
| <h3>getDeleteBloomFilterMetadata</h3> |
| <div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/DataInput.html" title="class or interface in java.io" class="external-link">DataInput</a></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-436">getDeleteBloomFilterMetadata</a></span>() |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">Retrieves delete family Bloom filter metadata as appropriate for each <a href="HFile.html" title="class in org.apache.hadoop.hbase.io.hfile"><code>HFile</code></a> version. |
| Knows nothing about how that metadata is structured.</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getPath()"> |
| <h3>getPath</h3> |
| <div class="member-signature"><span class="return-type">org.apache.hadoop.fs.Path</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-438">getPath</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="close(boolean)"> |
| <h3>close</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-441">close</a></span><wbr><span class="parameters">(boolean evictOnClose)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">Close method with optional evictOnClose</div> |
| <dl class="notes"> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getDataBlockEncoding()"> |
| <h3>getDataBlockEncoding</h3> |
| <div class="member-signature"><span class="return-type"><a href="../encoding/DataBlockEncoding.html" title="enum class in org.apache.hadoop.hbase.io.encoding">DataBlockEncoding</a></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-443">getDataBlockEncoding</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="hasMVCCInfo()"> |
| <h3>hasMVCCInfo</h3> |
| <div class="member-signature"><span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-445">hasMVCCInfo</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getFileContext()"> |
| <h3>getFileContext</h3> |
| <div class="member-signature"><span class="return-type"><a href="HFileContext.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileContext</a></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-450">getFileContext</a></span>()</div> |
| <div class="block">Return the file context of the HFile this reader belongs to</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="isPrimaryReplicaReader()"> |
| <h3>isPrimaryReplicaReader</h3> |
| <div class="member-signature"><span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-452">isPrimaryReplicaReader</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getEffectiveEncodingInCache(boolean)"> |
| <h3>getEffectiveEncodingInCache</h3> |
| <div class="member-signature"><span class="return-type"><a href="../encoding/DataBlockEncoding.html" title="enum class in org.apache.hadoop.hbase.io.encoding">DataBlockEncoding</a></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-454">getEffectiveEncodingInCache</a></span><wbr><span class="parameters">(boolean isCompaction)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getUncachedBlockReader()"> |
| <h3>getUncachedBlockReader</h3> |
| <div class="member-signature"><span class="return-type"><a href="HFileBlock.FSReader.html" title="interface in org.apache.hadoop.hbase.io.hfile">HFileBlock.FSReader</a></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-456">getUncachedBlockReader</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="prefetchComplete()"> |
| <h3>prefetchComplete</h3> |
| <div class="member-signature"><span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-458">prefetchComplete</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="prefetchStarted()"> |
| <h3>prefetchStarted</h3> |
| <div class="member-signature"><span class="return-type">boolean</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-460">prefetchStarted</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="unbufferStream()"> |
| <h3>unbufferStream</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-466">unbufferStream</a></span>()</div> |
| <div class="block">To close the stream's socket. Note: This can be concurrently called from multiple threads and |
| implementation should take care of thread safety.</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getContext()"> |
| <h3>getContext</h3> |
| <div class="member-signature"><span class="return-type"><a href="ReaderContext.html" title="class in org.apache.hadoop.hbase.io.hfile">ReaderContext</a></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-468">getContext</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getHFileInfo()"> |
| <h3>getHFileInfo</h3> |
| <div class="member-signature"><span class="return-type"><a href="HFileInfo.html" title="class in org.apache.hadoop.hbase.io.hfile">HFileInfo</a></span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-470">getHFileInfo</a></span>()</div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="setDataBlockEncoder(org.apache.hadoop.hbase.io.hfile.HFileDataBlockEncoder)"> |
| <h3>setDataBlockEncoder</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/io/hfile/HFile.Reader.html#line-472">setDataBlockEncoder</a></span><wbr><span class="parameters">(<a href="HFileDataBlockEncoder.html" title="interface in org.apache.hadoop.hbase.io.hfile">HFileDataBlockEncoder</a> dataBlockEncoder)</span></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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