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<li>Summary:&nbsp;</li>
<li><a href="#nested.classes.inherited.from.class.org.apache.hadoop.hdfs.server.datanode.LocalReplica">Nested</a>&nbsp;|&nbsp;</li>
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<div class="subTitle">org.apache.hadoop.hdfs.server.datanode</div>
<h2 title="Class LocalReplicaInPipeline" class="title">Class LocalReplicaInPipeline</h2>
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<ul class="inheritance">
<li>org.apache.hadoop.hdfs.protocol.Block</li>
<li>
<ul class="inheritance">
<li>org.apache.hadoop.hdfs.server.datanode.ReplicaInfo</li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplica.html" title="class in org.apache.hadoop.hdfs.server.datanode">org.apache.hadoop.hdfs.server.datanode.LocalReplica</a></li>
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<li>org.apache.hadoop.hdfs.server.datanode.LocalReplicaInPipeline</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</a>&lt;org.apache.hadoop.hdfs.protocol.Block&gt;, org.apache.hadoop.hdfs.server.datanode.Replica, <a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html" title="interface in org.apache.hadoop.hdfs.server.datanode">ReplicaInPipeline</a>, org.apache.hadoop.io.Writable, org.apache.hadoop.util.LightWeightGSet.LinkedElement</dd>
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<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaBeingWritten.html" title="class in org.apache.hadoop.hdfs.server.datanode">ReplicaBeingWritten</a></dd>
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<pre>public class <span class="typeNameLabel">LocalReplicaInPipeline</span>
extends <a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplica.html" title="class in org.apache.hadoop.hdfs.server.datanode">LocalReplica</a>
implements <a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html" title="interface in org.apache.hadoop.hdfs.server.datanode">ReplicaInPipeline</a></pre>
<div class="block">This class defines a replica in a pipeline, which
includes a persistent replica being written to by a dfs client or
a temporary replica being replicated by a source datanode or
being copied for the balancing purpose.
The base class implements a temporary replica</div>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.hadoop.hdfs.server.datanode.<a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplica.html" title="class in org.apache.hadoop.hdfs.server.datanode">LocalReplica</a></h3>
<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplica.ReplicaDirInfo.html" title="class in org.apache.hadoop.hdfs.server.datanode">LocalReplica.ReplicaDirInfo</a></code></li>
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<h3>Fields inherited from class&nbsp;org.apache.hadoop.hdfs.protocol.Block</h3>
<code>BLOCK_FILE_PREFIX, blockFilePattern, METADATA_EXTENSION, metaFilePattern, metaOrBlockFilePattern</code></li>
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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>
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<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/hdfs/server/datanode/LocalReplicaInPipeline.html#LocalReplicaInPipeline-org.apache.hadoop.hdfs.server.datanode.LocalReplicaInPipeline-">LocalReplicaInPipeline</a></span>(<a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html" title="class in org.apache.hadoop.hdfs.server.datanode">LocalReplicaInPipeline</a>&nbsp;from)</code>
<div class="block">Copy constructor.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#LocalReplicaInPipeline-long-long-org.apache.hadoop.hdfs.server.datanode.fsdataset.FsVolumeSpi-java.io.File-long-">LocalReplicaInPipeline</a></span>(long&nbsp;blockId,
long&nbsp;genStamp,
<a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;vol,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;dir,
long&nbsp;bytesToReserve)</code>
<div class="block">Constructor for a zero length replica.</div>
</td>
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<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>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#attemptToSetWriter-java.lang.Thread-java.lang.Thread-">attemptToSetWriter</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true" title="class or interface in java.lang">Thread</a>&nbsp;prevWriter,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true" title="class or interface in java.lang">Thread</a>&nbsp;newWriter)</code>
<div class="block">Attempt to set the writer to a new value.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>org.apache.hadoop.hdfs.server.protocol.ReplicaRecoveryInfo</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#createInfo--">createInfo</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#createRestartMetaStream--">createRestartMetaStream</a></span>()</code>
<div class="block">Create an output stream to write restart metadata in case of datanode
shutting down for quick restart.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/ReplicaOutputStreams.html" title="class in org.apache.hadoop.hdfs.server.datanode.fsdataset">ReplicaOutputStreams</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#createStreams-boolean-org.apache.hadoop.util.DataChecksum-">createStreams</a></span>(boolean&nbsp;isCreate,
org.apache.hadoop.util.DataChecksum&nbsp;requestedChecksum)</code>
<div class="block">Create output streams for writing to this replica,
one for block file and one for CRC file</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#equals-java.lang.Object-">equals</a></span>(<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>&nbsp;o)</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#getBytesAcked--">getBytesAcked</a></span>()</code>
<div class="block">Get the number of bytes acked</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#getBytesOnDisk--">getBytesOnDisk</a></span>()</code>
<div class="block">Get the number of bytes that have written to disk</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#getBytesReserved--">getBytesReserved</a></span>()</code>
<div class="block">Number of bytes reserved for this replica on disk.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ChunkChecksum.html" title="class in org.apache.hadoop.hdfs.server.datanode">ChunkChecksum</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#getLastChecksumAndDataLen--">getLastChecksumAndDataLen</a></span>()</code>
<div class="block">gets the last chunk checksum and the length of the block corresponding
to that checksum</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#getOriginalBytesReserved--">getOriginalBytesReserved</a></span>()</code>
<div class="block">Number of bytes originally reserved for this replica.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.hdfs.server.datanode.ReplicaInfo</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#getOriginalReplica--">getOriginalReplica</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#getRecoveryID--">getRecoveryID</a></span>()</code>
<div class="block">Get the recovery id.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.hdfs.server.datanode.ReplicaInfo</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#getReplicaInfo--">getReplicaInfo</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hdfs/server/common/HdfsServerConstants.ReplicaState.html" title="enum in org.apache.hadoop.hdfs.server.common">HdfsServerConstants.ReplicaState</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#getState--">getState</a></span>()</code>
<div class="block">Get the replica state</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#getVisibleLength--">getVisibleLength</a></span>()</code>
<div class="block">Get the number of bytes that are visible to readers</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#hashCode--">hashCode</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#interruptThread--">interruptThread</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#moveReplicaFrom-org.apache.hadoop.hdfs.server.datanode.ReplicaInfo-java.io.File-">moveReplicaFrom</a></span>(org.apache.hadoop.hdfs.server.datanode.ReplicaInfo&nbsp;oldReplicaInfo,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;newBlkFile)</code>&nbsp;</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#releaseAllBytesReserved--">releaseAllBytesReserved</a></span>()</code>
<div class="block">Release any disk space reserved for this replica.</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#setBytesAcked-long-">setBytesAcked</a></span>(long&nbsp;bytesAcked)</code>
<div class="block">Set the number bytes that have acked</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#setLastChecksumAndDataLen-long-byte:A-">setLastChecksumAndDataLen</a></span>(long&nbsp;dataLength,
byte[]&nbsp;checksum)</code>
<div class="block">store the checksum for the last chunk along with the data length</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#setRecoveryID-long-">setRecoveryID</a></span>(long&nbsp;recoveryId)</code>
<div class="block">Set the recovery id.</div>
</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#setWriter-java.lang.Thread-">setWriter</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true" title="class or interface in java.lang">Thread</a>&nbsp;writer)</code>
<div class="block">Set the thread that is writing to this replica</div>
</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#stopWriter-long-">stopWriter</a></span>(long&nbsp;xceiverStopTimeout)</code>
<div class="block">Interrupt the writing thread and wait until it dies.</div>
</td>
</tr>
<tr id="i24" class="altColor">
<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/hdfs/server/datanode/LocalReplicaInPipeline.html#toString--">toString</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html#waitForMinLength-long-long-java.util.concurrent.TimeUnit-">waitForMinLength</a></span>(long&nbsp;minLength,
long&nbsp;time,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;unit)</code>
<div class="block">Causes the current thread to wait until a minimum length is reached, the
thread is interrupted, or the specified waiting time elapses.</div>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.hdfs.server.datanode.<a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplica.html" title="class in org.apache.hadoop.hdfs.server.datanode">LocalReplica</a></h3>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.hdfs.server.datanode.ReplicaInfo</h3>
<code>getFileIoProvider, getNext, getStorageUuid, getVolume, isOnTransientStorage, setNext</code></li>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.hdfs.protocol.Block</h3>
<code>appendStringTo, compareTo, filename2id, getBlockId, getBlockId, getBlockName, getGenerationStamp, getGenerationStamp, getNumBytes, isBlockFilename, isMetaFilename, matchingIdAndGenStamp, metaToBlockFile, readFields, readId, set, setBlockId, setGenerationStamp, setNumBytes, toString, write, writeId</code></li>
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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h3>Methods inherited from interface&nbsp;org.apache.hadoop.hdfs.server.datanode.<a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html" title="interface in org.apache.hadoop.hdfs.server.datanode">ReplicaInPipeline</a></h3>
<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#setNumBytes-long-">setNumBytes</a></code></li>
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<h3>Methods inherited from interface&nbsp;org.apache.hadoop.hdfs.server.datanode.Replica</h3>
<code>getBlockId, getGenerationStamp, getNumBytes, getStorageUuid, isOnTransientStorage</code></li>
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<h3>Constructor Detail</h3>
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<h4>LocalReplicaInPipeline</h4>
<pre>public&nbsp;LocalReplicaInPipeline(long&nbsp;blockId,
long&nbsp;genStamp,
<a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/FsVolumeSpi.html" title="interface in org.apache.hadoop.hdfs.server.datanode.fsdataset">FsVolumeSpi</a>&nbsp;vol,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;dir,
long&nbsp;bytesToReserve)</pre>
<div class="block">Constructor for a zero length replica.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>blockId</code> - block id</dd>
<dd><code>genStamp</code> - replica generation stamp</dd>
<dd><code>vol</code> - volume where replica is located</dd>
<dd><code>dir</code> - directory path where block and meta files are located</dd>
<dd><code>bytesToReserve</code> - disk space to reserve for this replica, based on
the estimated maximum block length.</dd>
</dl>
</li>
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<pre>public&nbsp;LocalReplicaInPipeline(<a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/LocalReplicaInPipeline.html" title="class in org.apache.hadoop.hdfs.server.datanode">LocalReplicaInPipeline</a>&nbsp;from)</pre>
<div class="block">Copy constructor.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>from</code> - where to copy from</dd>
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<h4>getVisibleLength</h4>
<pre>public&nbsp;long&nbsp;getVisibleLength()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code>org.apache.hadoop.hdfs.server.datanode.Replica</code></span></div>
<div class="block">Get the number of bytes that are visible to readers</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>getVisibleLength</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.hdfs.server.datanode.Replica</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of bytes that are visible to readers</dd>
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<a name="getState--">
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<h4>getState</h4>
<pre>public&nbsp;<a href="../../../../../../org/apache/hadoop/hdfs/server/common/HdfsServerConstants.ReplicaState.html" title="enum in org.apache.hadoop.hdfs.server.common">HdfsServerConstants.ReplicaState</a>&nbsp;getState()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code>org.apache.hadoop.hdfs.server.datanode.Replica</code></span></div>
<div class="block">Get the replica state</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>getState</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.hdfs.server.datanode.Replica</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the replica state</dd>
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<pre>public&nbsp;long&nbsp;getBytesAcked()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#getBytesAcked--">ReplicaInPipeline</a></code></span></div>
<div class="block">Get the number of bytes acked</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#getBytesAcked--">getBytesAcked</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html" title="interface in org.apache.hadoop.hdfs.server.datanode">ReplicaInPipeline</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of bytes acked</dd>
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<pre>public&nbsp;void&nbsp;setBytesAcked(long&nbsp;bytesAcked)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#setBytesAcked-long-">ReplicaInPipeline</a></code></span></div>
<div class="block">Set the number bytes that have acked</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#setBytesAcked-long-">setBytesAcked</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html" title="interface in org.apache.hadoop.hdfs.server.datanode">ReplicaInPipeline</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>bytesAcked</code> - number bytes acked</dd>
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<pre>public&nbsp;long&nbsp;getBytesOnDisk()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code>org.apache.hadoop.hdfs.server.datanode.Replica</code></span></div>
<div class="block">Get the number of bytes that have written to disk</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>getBytesOnDisk</code>&nbsp;in interface&nbsp;<code>org.apache.hadoop.hdfs.server.datanode.Replica</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of bytes that have written to disk</dd>
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<pre>public&nbsp;long&nbsp;getBytesReserved()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code>org.apache.hadoop.hdfs.server.datanode.ReplicaInfo</code></span></div>
<div class="block">Number of bytes reserved for this replica on disk.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>getBytesReserved</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.hdfs.server.datanode.ReplicaInfo</code></dd>
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<pre>public&nbsp;long&nbsp;getOriginalBytesReserved()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code>org.apache.hadoop.hdfs.server.datanode.ReplicaInfo</code></span></div>
<div class="block">Number of bytes originally reserved for this replica. The actual
reservation is adjusted as data is written to disk.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>getOriginalBytesReserved</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.hdfs.server.datanode.ReplicaInfo</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of bytes originally reserved for this replica.</dd>
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<pre>public&nbsp;void&nbsp;releaseAllBytesReserved()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#releaseAllBytesReserved--">ReplicaInPipeline</a></code></span></div>
<div class="block">Release any disk space reserved for this replica.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#releaseAllBytesReserved--">releaseAllBytesReserved</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html" title="interface in org.apache.hadoop.hdfs.server.datanode">ReplicaInPipeline</a></code></dd>
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<pre>public&nbsp;void&nbsp;setLastChecksumAndDataLen(long&nbsp;dataLength,
byte[]&nbsp;checksum)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#setLastChecksumAndDataLen-long-byte:A-">ReplicaInPipeline</a></code></span></div>
<div class="block">store the checksum for the last chunk along with the data length</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#setLastChecksumAndDataLen-long-byte:A-">setLastChecksumAndDataLen</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html" title="interface in org.apache.hadoop.hdfs.server.datanode">ReplicaInPipeline</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>dataLength</code> - number of bytes on disk</dd>
<dd><code>checksum</code> - - checksum bytes for the last chunk</dd>
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<pre>public&nbsp;<a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ChunkChecksum.html" title="class in org.apache.hadoop.hdfs.server.datanode">ChunkChecksum</a>&nbsp;getLastChecksumAndDataLen()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#getLastChecksumAndDataLen--">ReplicaInPipeline</a></code></span></div>
<div class="block">gets the last chunk checksum and the length of the block corresponding
to that checksum</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#getLastChecksumAndDataLen--">getLastChecksumAndDataLen</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html" title="interface in org.apache.hadoop.hdfs.server.datanode">ReplicaInPipeline</a></code></dd>
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<pre>public&nbsp;void&nbsp;waitForMinLength(long&nbsp;minLength,
long&nbsp;time,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/TimeUnit.html?is-external=true" title="class or interface in java.util.concurrent">TimeUnit</a>&nbsp;unit)
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"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#waitForMinLength-long-long-java.util.concurrent.TimeUnit-">ReplicaInPipeline</a></code></span></div>
<div class="block">Causes the current thread to wait until a minimum length is reached, the
thread is interrupted, or the specified waiting time elapses.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#waitForMinLength-long-long-java.util.concurrent.TimeUnit-">waitForMinLength</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html" title="interface in org.apache.hadoop.hdfs.server.datanode">ReplicaInPipeline</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>minLength</code> - The minimum length to achieve</dd>
<dd><code>time</code> - the maximum time to wait</dd>
<dd><code>unit</code> - the time unit of the time argument</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> - if the current thread is interrupted or the minimum
length is not achieved within the time allowed.</dd>
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<h4>setWriter</h4>
<pre>public&nbsp;void&nbsp;setWriter(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true" title="class or interface in java.lang">Thread</a>&nbsp;writer)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#setWriter-java.lang.Thread-">ReplicaInPipeline</a></code></span></div>
<div class="block">Set the thread that is writing to this replica</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#setWriter-java.lang.Thread-">setWriter</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html" title="interface in org.apache.hadoop.hdfs.server.datanode">ReplicaInPipeline</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>writer</code> - a thread writing to this replica</dd>
</dl>
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<h4>interruptThread</h4>
<pre>public&nbsp;void&nbsp;interruptThread()</pre>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#interruptThread--">interruptThread</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html" title="interface in org.apache.hadoop.hdfs.server.datanode">ReplicaInPipeline</a></code></dd>
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<h4>equals</h4>
<pre>public&nbsp;boolean&nbsp;equals(<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>&nbsp;o)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>equals</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.hdfs.protocol.Block</code></dd>
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<a name="attemptToSetWriter-java.lang.Thread-java.lang.Thread-">
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<h4>attemptToSetWriter</h4>
<pre>public&nbsp;boolean&nbsp;attemptToSetWriter(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true" title="class or interface in java.lang">Thread</a>&nbsp;prevWriter,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Thread.html?is-external=true" title="class or interface in java.lang">Thread</a>&nbsp;newWriter)</pre>
<div class="block">Attempt to set the writer to a new value.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#attemptToSetWriter-java.lang.Thread-java.lang.Thread-">attemptToSetWriter</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html" title="interface in org.apache.hadoop.hdfs.server.datanode">ReplicaInPipeline</a></code></dd>
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<h4>stopWriter</h4>
<pre>public&nbsp;void&nbsp;stopWriter(long&nbsp;xceiverStopTimeout)
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">Interrupt the writing thread and wait until it dies.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#stopWriter-long-">stopWriter</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html" title="interface in org.apache.hadoop.hdfs.server.datanode">ReplicaInPipeline</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> - the waiting is interrupted</dd>
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<pre>public&nbsp;int&nbsp;hashCode()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>hashCode</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.hdfs.protocol.Block</code></dd>
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<pre>public&nbsp;<a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/fsdataset/ReplicaOutputStreams.html" title="class in org.apache.hadoop.hdfs.server.datanode.fsdataset">ReplicaOutputStreams</a>&nbsp;createStreams(boolean&nbsp;isCreate,
org.apache.hadoop.util.DataChecksum&nbsp;requestedChecksum)
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"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#createStreams-boolean-org.apache.hadoop.util.DataChecksum-">ReplicaInPipeline</a></code></span></div>
<div class="block">Create output streams for writing to this replica,
one for block file and one for CRC file</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#createStreams-boolean-org.apache.hadoop.util.DataChecksum-">createStreams</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html" title="interface in org.apache.hadoop.hdfs.server.datanode">ReplicaInPipeline</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>isCreate</code> - if it is for creation</dd>
<dd><code>requestedChecksum</code> - the checksum the writer would prefer to use</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>output streams for writing</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> - if any error occurs</dd>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;createRestartMetaStream()
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"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#createRestartMetaStream--">ReplicaInPipeline</a></code></span></div>
<div class="block">Create an output stream to write restart metadata in case of datanode
shutting down for quick restart.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#createRestartMetaStream--">createRestartMetaStream</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html" title="interface in org.apache.hadoop.hdfs.server.datanode">ReplicaInPipeline</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>output stream for writing.</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> - if any error occurs</dd>
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<h4>toString</h4>
<pre>public&nbsp;<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>&nbsp;toString()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>toString</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.hdfs.server.datanode.ReplicaInfo</code></dd>
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<pre>public&nbsp;org.apache.hadoop.hdfs.server.datanode.ReplicaInfo&nbsp;getOriginalReplica()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>getOriginalReplica</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.hdfs.server.datanode.ReplicaInfo</code></dd>
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<pre>public&nbsp;long&nbsp;getRecoveryID()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code>org.apache.hadoop.hdfs.server.datanode.ReplicaInfo</code></span></div>
<div class="block">Get the recovery id.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>getRecoveryID</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.hdfs.server.datanode.ReplicaInfo</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the generation stamp that the replica will be bumped to</dd>
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<pre>public&nbsp;void&nbsp;setRecoveryID(long&nbsp;recoveryId)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code>org.apache.hadoop.hdfs.server.datanode.ReplicaInfo</code></span></div>
<div class="block">Set the recovery id.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code>setRecoveryID</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.hdfs.server.datanode.ReplicaInfo</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>recoveryId</code> - the new recoveryId</dd>
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<pre>public&nbsp;org.apache.hadoop.hdfs.server.protocol.ReplicaRecoveryInfo&nbsp;createInfo()</pre>
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<dd><code>createInfo</code>&nbsp;in class&nbsp;<code>org.apache.hadoop.hdfs.server.datanode.ReplicaInfo</code></dd>
</dl>
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<pre>public&nbsp;void&nbsp;moveReplicaFrom(org.apache.hadoop.hdfs.server.datanode.ReplicaInfo&nbsp;oldReplicaInfo,
<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;newBlkFile)
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>
<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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<pre>public&nbsp;org.apache.hadoop.hdfs.server.datanode.ReplicaInfo&nbsp;getReplicaInfo()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html#getReplicaInfo--">getReplicaInfo</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hdfs/server/datanode/ReplicaInPipeline.html" title="interface in org.apache.hadoop.hdfs.server.datanode">ReplicaInPipeline</a></code></dd>
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