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<li>Summary:&nbsp;</li>
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<div class="subTitle">org.apache.hadoop.hbase.procedure2</div>
<h2 title="Class FailedProcedure" class="title">Class FailedProcedure&lt;TEnvironment&gt;</h2>
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<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>
<li>
<ul class="inheritance">
<li><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">org.apache.hadoop.hbase.procedure2.Procedure</a>&lt;TEnvironment&gt;</li>
<li>
<ul class="inheritance">
<li>org.apache.hadoop.hbase.procedure2.FailedProcedure&lt;TEnvironment&gt;</li>
</ul>
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</li>
</ul>
<div class="description">
<ul class="blockList">
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<dl>
<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;<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a>&lt;TEnvironment&gt;&gt;</dd>
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<pre>@InterfaceAudience.Private
public class <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/FailedProcedure.html#line.30">FailedProcedure</a>&lt;TEnvironment&gt;
extends <a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a>&lt;TEnvironment&gt;</pre>
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.hadoop.hbase.procedure2.<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a></h3>
<code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.LockState.html" title="enum in org.apache.hadoop.hbase.procedure2">Procedure.LockState</a></code></li>
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<h3>Field Summary</h3>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>private <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/procedure2/FailedProcedure.html#procName">procName</a></span></code>&nbsp;</td>
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<h3>Fields inherited from class&nbsp;org.apache.hadoop.hbase.procedure2.<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a></h3>
<code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#NO_PROC_ID">NO_PROC_ID</a>, <a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#NO_TIMEOUT">NO_TIMEOUT</a></code></li>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html#FailedProcedure--">FailedProcedure</a></span>()</code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html#FailedProcedure-long-java.lang.String-org.apache.hadoop.hbase.security.User-org.apache.hadoop.hbase.util.NonceKey-java.io.IOException-">FailedProcedure</a></span>(long&nbsp;procId,
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<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html#abort-TEnvironment-">abort</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html" title="type parameter in FailedProcedure">TEnvironment</a>&nbsp;env)</code>
<div class="block">The abort() call is asynchronous and each procedure must decide how to deal
with it, if they want to be abortable.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html#deserializeStateData-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-">deserializeStateData</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureStateSerializer.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureStateSerializer</a>&nbsp;serializer)</code>
<div class="block">Called on store load to allow the user to decode the previously serialized
state.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html" title="type parameter in FailedProcedure">TEnvironment</a>&gt;[]</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html#execute-TEnvironment-">execute</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html" title="type parameter in FailedProcedure">TEnvironment</a>&nbsp;env)</code>
<div class="block">The main code of the procedure.</div>
</td>
</tr>
<tr id="i3" 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/procedure2/FailedProcedure.html#getProcName--">getProcName</a></span>()</code>&nbsp;</td>
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<tr id="i4" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html#rollback-TEnvironment-">rollback</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html" title="type parameter in FailedProcedure">TEnvironment</a>&nbsp;env)</code>
<div class="block">The code to undo what was done by the execute() code.</div>
</td>
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<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/procedure2/FailedProcedure.html#serializeStateData-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-">serializeStateData</a></span>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureStateSerializer.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureStateSerializer</a>&nbsp;serializer)</code>
<div class="block">The user-level code of the procedure may have some state to
persist (e.g.</div>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.hbase.procedure2.<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a></h3>
<code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#acquireLock-TEnvironment-">acquireLock</a>, <a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#addStackIndex-int-">addStackIndex</a>, <a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#afterReplay-TEnvironment-">afterReplay</a>, <a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#beforeReplay-TEnvironment-">beforeReplay</a>, <a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#bypass-TEnvironment-">bypass</a>, <a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#compareTo-org.apache.hadoop.hbase.procedure2.Procedure-">compareTo</a>, <a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#completionCleanup-TEnvironment-">completionCleanup</a>, <a 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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#equals-java.lang.Object-" title="class or interface in java.lang">equals</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#hashCode--" title="class or interface in java.lang">hashCode</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>Field Detail</h3>
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<h4>procName</h4>
<pre>private&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> <a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/FailedProcedure.html#line.32">procName</a></pre>
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<pre>public&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/FailedProcedure.html#line.34">FailedProcedure</a>()</pre>
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<h4>FailedProcedure</h4>
<pre>public&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/FailedProcedure.html#line.37">FailedProcedure</a>(long&nbsp;procId,
<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;procName,
<a href="../../../../../org/apache/hadoop/hbase/security/User.html" title="class in org.apache.hadoop.hbase.security">User</a>&nbsp;owner,
<a href="../../../../../org/apache/hadoop/hbase/util/NonceKey.html" title="class in org.apache.hadoop.hbase.util">NonceKey</a>&nbsp;nonceKey,
<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>&nbsp;exception)</pre>
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<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;<a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/FailedProcedure.html#line.51">getProcName</a>()</pre>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getProcName--">getProcName</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html" title="type parameter in FailedProcedure">TEnvironment</a>&gt;</code></dd>
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<h4>execute</h4>
<pre>protected&nbsp;<a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html" title="type parameter in FailedProcedure">TEnvironment</a>&gt;[]&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/FailedProcedure.html#line.56">execute</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html" title="type parameter in FailedProcedure">TEnvironment</a>&nbsp;env)
throws <a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureYieldException.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureYieldException</a>,
<a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureSuspendedException.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureSuspendedException</a>,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#execute-TEnvironment-">Procedure</a></code></span></div>
<div class="block">The main code of the procedure. It must be idempotent since execute()
may be called multiple times in case of machine failure in the middle
of the execution.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#execute-TEnvironment-">execute</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html" title="type parameter in FailedProcedure">TEnvironment</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>env</code> - the environment passed to the ProcedureExecutor</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a set of sub-procedures to run or ourselves if there is more work to do or null if the
procedure is done.</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureYieldException.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureYieldException</a></code> - the procedure will be added back to the queue and retried
later.</dd>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureSuspendedException.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureSuspendedException</a></code> - Signal to the executor that Procedure has suspended itself
and has set itself up waiting for an external event to wake it back up again.</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code> - the procedure will be added back to the queue and retried later.</dd>
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<h4>rollback</h4>
<pre>protected&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/FailedProcedure.html#line.62">rollback</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html" title="type parameter in FailedProcedure">TEnvironment</a>&nbsp;env)
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>,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#rollback-TEnvironment-">Procedure</a></code></span></div>
<div class="block">The code to undo what was done by the execute() code.
It is called when the procedure or one of the sub-procedures failed or an
abort was requested. It should cleanup all the resources created by
the execute() call. The implementation must be idempotent since rollback()
may be called multiple time in case of machine failure in the middle
of the execution.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#rollback-TEnvironment-">rollback</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html" title="type parameter in FailedProcedure">TEnvironment</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>env</code> - the environment passed to the ProcedureExecutor</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> - temporary failure, the rollback will retry later</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code> - the procedure will be added back to the queue and retried later</dd>
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<pre>protected&nbsp;boolean&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/FailedProcedure.html#line.67">abort</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html" title="type parameter in FailedProcedure">TEnvironment</a>&nbsp;env)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#abort-TEnvironment-">Procedure</a></code></span></div>
<div class="block">The abort() call is asynchronous and each procedure must decide how to deal
with it, if they want to be abortable. The simplest implementation
is to have an AtomicBoolean set in the abort() method and then the execute()
will check if the abort flag is set or not.
abort() may be called multiple times from the client, so the implementation
must be idempotent.
<p>NOTE: abort() is not like Thread.interrupt(). It is just a notification
that allows the procedure implementor abort.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#abort-TEnvironment-">abort</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html" title="type parameter in FailedProcedure">TEnvironment</a>&gt;</code></dd>
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<pre>protected&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/FailedProcedure.html#line.72">serializeStateData</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureStateSerializer.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureStateSerializer</a>&nbsp;serializer)
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 class:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#serializeStateData-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-">Procedure</a></code></span></div>
<div class="block">The user-level code of the procedure may have some state to
persist (e.g. input arguments or current position in the processing state) to
be able to resume on failure.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#serializeStateData-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-">serializeStateData</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html" title="type parameter in FailedProcedure">TEnvironment</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>serializer</code> - stores the serializable state</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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<pre>protected&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/procedure2/FailedProcedure.html#line.76">deserializeStateData</a>(<a href="../../../../../org/apache/hadoop/hbase/procedure2/ProcedureStateSerializer.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureStateSerializer</a>&nbsp;serializer)
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 class:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#deserializeStateData-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-">Procedure</a></code></span></div>
<div class="block">Called on store load to allow the user to decode the previously serialized
state.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#deserializeStateData-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-">deserializeStateData</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/procedure2/FailedProcedure.html" title="type parameter in FailedProcedure">TEnvironment</a>&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>serializer</code> - contains the serialized state</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
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