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From git-site-r...@apache.org
Subject [33/43] hbase-site git commit: Published site at 82d554e3783372cc6b05489452c815b57c06f6cd.
Date Tue, 01 Aug 2017 15:08:15 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/110df817/devapidocs/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html
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@@ -0,0 +1,860 @@
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+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<title>RecoverMetaProcedure (Apache HBase 3.0.0-SNAPSHOT API)</title>
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+<div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
+<a name="navbar.top.firstrow">
+<!--   -->
+</a>
+<ul class="navList" title="Navigation">
+<li><a href="../../../../../../overview-summary.html">Overview</a></li>
+<li><a href="package-summary.html">Package</a></li>
+<li class="navBarCell1Rev">Class</li>
+<li><a href="class-use/RecoverMetaProcedure.html">Use</a></li>
+<li><a href="package-tree.html">Tree</a></li>
+<li><a href="../../../../../../deprecated-list.html">Deprecated</a></li>
+<li><a href="../../../../../../index-all.html">Index</a></li>
+<li><a href="../../../../../../help-doc.html">Help</a></li>
+</ul>
+</div>
+<div class="subNav">
+<ul class="navList">
+<li><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ProcedureSyncWait.ProcedureFuture.html" title="class in org.apache.hadoop.hbase.master.procedure"><span class="typeNameLink">Prev&nbsp;Class</span></a></li>
+<li><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RestoreSnapshotProcedure.html" title="class in org.apache.hadoop.hbase.master.procedure"><span class="typeNameLink">Next&nbsp;Class</span></a></li>
+</ul>
+<ul class="navList">
+<li><a href="../../../../../../index.html?org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html" target="_top">Frames</a></li>
+<li><a href="RecoverMetaProcedure.html" target="_top">No&nbsp;Frames</a></li>
+</ul>
+<ul class="navList" id="allclasses_navbar_top">
+<li><a href="../../../../../../allclasses-noframe.html">All&nbsp;Classes</a></li>
+</ul>
+<div>
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+  //-->
+</script>
+</div>
+<div>
+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li><a href="#nested.classes.inherited.from.class.org.apache.hadoop.hbase.procedure2.StateMachineProcedure">Nested</a>&nbsp;|&nbsp;</li>
+<li><a href="#field.summary">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor.summary">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method.summary">Method</a></li>
+</ul>
+<ul class="subNavList">
+<li>Detail:&nbsp;</li>
+<li><a href="#field.detail">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor.detail">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method.detail">Method</a></li>
+</ul>
+</div>
+<a name="skip.navbar.top">
+<!--   -->
+</a></div>
+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">org.apache.hadoop.hbase.master.procedure</div>
+<h2 title="Class RecoverMetaProcedure" class="title">Class RecoverMetaProcedure</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li><a href="http://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><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html" title="class in org.apache.hadoop.hbase.procedure2">org.apache.hadoop.hbase.procedure2.StateMachineProcedure</a>&lt;<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>,org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState&gt;</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.hadoop.hbase.master.procedure.RecoverMetaProcedure</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Implemented Interfaces:</dt>
+<dd><a href="http://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;<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>&gt;&gt;, <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.html" title="interface in org.apache.hadoop.hbase.master.procedure">TableProcedureInterface</a></dd>
+</dl>
+<hr>
+<br>
+<pre>public class <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.49">RecoverMetaProcedure</a>
+extends <a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html" title="class in org.apache.hadoop.hbase.procedure2">StateMachineProcedure</a>&lt;<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>,org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState&gt;
+implements <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.html" title="interface in org.apache.hadoop.hbase.master.procedure">TableProcedureInterface</a></pre>
+<div class="block">This procedure recovers meta from prior shutdown/ crash of a server, and brings meta online by
+ assigning meta region/s. Any place where meta is accessed and requires meta to be online, need to
+ submit this procedure instead of duplicating steps to recover meta in the code.</div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- ======== NESTED CLASS SUMMARY ======== -->
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+<h3>Nested Class Summary</h3>
+<ul class="blockList">
+<li class="blockList"><a name="nested.classes.inherited.from.class.org.apache.hadoop.hbase.procedure2.StateMachineProcedure">
+<!--   -->
+</a>
+<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.hadoop.hbase.procedure2.<a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html" title="class in org.apache.hadoop.hbase.procedure2">StateMachineProcedure</a></h3>
+<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.Flow.html" title="enum in org.apache.hadoop.hbase.procedure2">StateMachineProcedure.Flow</a></code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="nested.classes.inherited.from.class.org.apache.hadoop.hbase.procedure2.Procedure">
+<!--   -->
+</a>
+<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>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a name="nested.classes.inherited.from.class.org.apache.hadoop.hbase.master.procedure.TableProcedureInterface">
+<!--   -->
+</a>
+<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.hadoop.hbase.master.procedure.<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.html" title="interface in org.apache.hadoop.hbase.master.procedure">TableProcedureInterface</a></h3>
+<code><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.TableOperationType.html" title="enum in org.apache.hadoop.hbase.master.procedure">TableProcedureInterface.TableOperationType</a></code></li>
+</ul>
+</li>
+</ul>
+<!-- =========== FIELD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="field.summary">
+<!--   -->
+</a>
+<h3>Field Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
+<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Field and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#failedMetaServer">failedMetaServer</a></span></code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>private static org.apache.commons.logging.Log</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#LOG">LOG</a></span></code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#master">master</a></span></code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>private int</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#replicaId">replicaId</a></span></code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>private boolean</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#shouldSplitWal">shouldSplitWal</a></span></code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ProcedurePrepareLatch.html" title="class in org.apache.hadoop.hbase.master.procedure">ProcedurePrepareLatch</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#syncLatch">syncLatch</a></span></code>&nbsp;</td>
+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="fields.inherited.from.class.org.apache.hadoop.hbase.procedure2.Procedure">
+<!--   -->
+</a>
+<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>
+</ul>
+</li>
+</ul>
+<!-- ======== CONSTRUCTOR SUMMARY ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor.summary">
+<!--   -->
+</a>
+<h3>Constructor Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#RecoverMetaProcedure--">RecoverMetaProcedure</a></span>()</code>
+<div class="block">This constructor is also used when deserializing from a procedure store; we'll construct one
+ of these then call <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#deserializeStateData-java.io.InputStream-"><code>deserializeStateData(InputStream)</code></a>.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#RecoverMetaProcedure-org.apache.hadoop.hbase.ServerName-boolean-">RecoverMetaProcedure</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&nbsp;failedMetaServer,
+                    boolean&nbsp;shouldSplitLog)</code>
+<div class="block">Call this constructor to queue up a <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html" title="class in org.apache.hadoop.hbase.master.procedure"><code>RecoverMetaProcedure</code></a> in response to meta
+ carrying server crash</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#RecoverMetaProcedure-org.apache.hadoop.hbase.ServerName-boolean-org.apache.hadoop.hbase.master.procedure.ProcedurePrepareLatch-">RecoverMetaProcedure</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&nbsp;failedMetaServer,
+                    boolean&nbsp;shouldSplitLog,
+                    <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ProcedurePrepareLatch.html" title="class in org.apache.hadoop.hbase.master.procedure">ProcedurePrepareLatch</a>&nbsp;latch)</code>
+<div class="block">Constructor with latch, for blocking/ sync usage</div>
+</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ========== METHOD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method.summary">
+<!--   -->
+</a>
+<h3>Method Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr id="i0" class="altColor">
+<td class="colFirst"><code>protected <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.LockState.html" title="enum in org.apache.hadoop.hbase.procedure2">Procedure.LockState</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#acquireLock-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">acquireLock</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>&nbsp;env)</code>
+<div class="block">The user should override this method if they need a lock on an Entity.</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/master/procedure/RecoverMetaProcedure.html#completionCleanup-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">completionCleanup</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>&nbsp;env)</code>
+<div class="block">Called when the procedure is marked as completed (success or rollback).</div>
+</td>
+</tr>
+<tr id="i2" class="altColor">
+<td class="colFirst"><code>protected void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#deserializeStateData-java.io.InputStream-">deserializeStateData</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;stream)</code>
+<div class="block">Called on store load to allow the user to decode the previously serialized
+ state.</div>
+</td>
+</tr>
+<tr id="i3" class="rowColor">
+<td class="colFirst"><code>protected <a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.Flow.html" title="enum in org.apache.hadoop.hbase.procedure2">StateMachineProcedure.Flow</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#executeFromState-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState-">executeFromState</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>&nbsp;env,
+                org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState&nbsp;state)</code>
+<div class="block">called to perform a single step of the specified 'state' of the procedure</div>
+</td>
+</tr>
+<tr id="i4" class="altColor">
+<td class="colFirst"><code>protected org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#getInitialState--">getInitialState</a></span>()</code>
+<div class="block">Return the initial state object that will be used for the first call to executeFromState().</div>
+</td>
+</tr>
+<tr id="i5" class="rowColor">
+<td class="colFirst"><code>protected org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#getState-int-">getState</a></span>(int&nbsp;stateId)</code>
+<div class="block">Convert an ordinal (or state id) to an Enum (or more descriptive) state object.</div>
+</td>
+</tr>
+<tr id="i6" class="altColor">
+<td class="colFirst"><code>protected int</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#getStateId-org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState-">getStateId</a></span>(org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState&nbsp;recoverMetaState)</code>
+<div class="block">Convert the Enum (or more descriptive) state object to an ordinal (or state id).</div>
+</td>
+</tr>
+<tr id="i7" class="rowColor">
+<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#getTableName--">getTableName</a></span>()</code>&nbsp;</td>
+</tr>
+<tr id="i8" class="altColor">
+<td class="colFirst"><code><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.TableOperationType.html" title="enum in org.apache.hadoop.hbase.master.procedure">TableProcedureInterface.TableOperationType</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#getTableOperationType--">getTableOperationType</a></span>()</code>
+<div class="block">Given an operation type we can take decisions about what to do with pending operations.</div>
+</td>
+</tr>
+<tr id="i9" class="rowColor">
+<td class="colFirst"><code>private boolean</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#isRunRequired--">isRunRequired</a></span>()</code>&nbsp;</td>
+</tr>
+<tr id="i10" class="altColor">
+<td class="colFirst"><code>private void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#prepare-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">prepare</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>&nbsp;env)</code>
+<div class="block">Prepare for execution</div>
+</td>
+</tr>
+<tr id="i11" class="rowColor">
+<td class="colFirst"><code>protected void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#releaseLock-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">releaseLock</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>&nbsp;env)</code>
+<div class="block">The user should override this method, and release lock if necessary.</div>
+</td>
+</tr>
+<tr id="i12" class="altColor">
+<td class="colFirst"><code>protected void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#rollbackState-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState-">rollbackState</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>&nbsp;env,
+             org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState&nbsp;recoverMetaState)</code>
+<div class="block">called to perform the rollback of the specified state</div>
+</td>
+</tr>
+<tr id="i13" class="rowColor">
+<td class="colFirst"><code>protected void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#serializeStateData-java.io.OutputStream-">serializeStateData</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;stream)</code>
+<div class="block">The user-level code of the procedure may have some state to
+ persist (e.g.</div>
+</td>
+</tr>
+<tr id="i14" class="altColor">
+<td class="colFirst"><code>protected void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#toStringClassDetails-java.lang.StringBuilder-">toStringClassDetails</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a>&nbsp;sb)</code>
+<div class="block">Extend the toString() information with the procedure details
+ e.g.</div>
+</td>
+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="methods.inherited.from.class.org.apache.hadoop.hbase.procedure2.StateMachineProcedure">
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+<code><a href="http://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="http://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="http://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="http://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="http://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="http://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="http://docs.oracle.com/javase/8/docs/api/java/lang
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+<h3>Field Detail</h3>
+<a name="LOG">
+<!--   -->
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+<ul class="blockList">
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+<h4>LOG</h4>
+<pre>private static final&nbsp;org.apache.commons.logging.Log <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.52">LOG</a></pre>
+</li>
+</ul>
+<a name="failedMetaServer">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>failedMetaServer</h4>
+<pre>private&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.54">failedMetaServer</a></pre>
+</li>
+</ul>
+<a name="shouldSplitWal">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>shouldSplitWal</h4>
+<pre>private&nbsp;boolean <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.55">shouldSplitWal</a></pre>
+</li>
+</ul>
+<a name="replicaId">
+<!--   -->
+</a>
+<ul class="blockList">
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+<h4>replicaId</h4>
+<pre>private&nbsp;int <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.56">replicaId</a></pre>
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+<a name="syncLatch">
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+</a>
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+<h4>syncLatch</h4>
+<pre>private final&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ProcedurePrepareLatch.html" title="class in org.apache.hadoop.hbase.master.procedure">ProcedurePrepareLatch</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.58">syncLatch</a></pre>
+</li>
+</ul>
+<a name="master">
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+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>master</h4>
+<pre>private&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.59">master</a></pre>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ========= CONSTRUCTOR DETAIL ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor.detail">
+<!--   -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="RecoverMetaProcedure-org.apache.hadoop.hbase.ServerName-boolean-">
+<!--   -->
+</a>
+<ul class="blockList">
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+<h4>RecoverMetaProcedure</h4>
+<pre>public&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.67">RecoverMetaProcedure</a>(<a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&nbsp;failedMetaServer,
+                            boolean&nbsp;shouldSplitLog)</pre>
+<div class="block">Call this constructor to queue up a <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html" title="class in org.apache.hadoop.hbase.master.procedure"><code>RecoverMetaProcedure</code></a> in response to meta
+ carrying server crash</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>failedMetaServer</code> - failed/ crashed region server that was carrying meta</dd>
+<dd><code>shouldSplitLog</code> - split log file of meta region</dd>
+</dl>
+</li>
+</ul>
+<a name="RecoverMetaProcedure-org.apache.hadoop.hbase.ServerName-boolean-org.apache.hadoop.hbase.master.procedure.ProcedurePrepareLatch-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>RecoverMetaProcedure</h4>
+<pre>public&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.74">RecoverMetaProcedure</a>(<a href="../../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&nbsp;failedMetaServer,
+                            boolean&nbsp;shouldSplitLog,
+                            <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ProcedurePrepareLatch.html" title="class in org.apache.hadoop.hbase.master.procedure">ProcedurePrepareLatch</a>&nbsp;latch)</pre>
+<div class="block">Constructor with latch, for blocking/ sync usage</div>
+</li>
+</ul>
+<a name="RecoverMetaProcedure--">
+<!--   -->
+</a>
+<ul class="blockListLast">
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+<h4>RecoverMetaProcedure</h4>
+<pre>public&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.86">RecoverMetaProcedure</a>()</pre>
+<div class="block">This constructor is also used when deserializing from a procedure store; we'll construct one
+ of these then call <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#deserializeStateData-java.io.InputStream-"><code>deserializeStateData(InputStream)</code></a>. Do not use directly.</div>
+</li>
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+<!-- ============ METHOD DETAIL ========== -->
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+<li class="blockList"><a name="method.detail">
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+</a>
+<h3>Method Detail</h3>
+<a name="executeFromState-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState-">
+<!--   -->
+</a>
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+<h4>executeFromState</h4>
+<pre>protected&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.Flow.html" title="enum in org.apache.hadoop.hbase.procedure2">StateMachineProcedure.Flow</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.91">executeFromState</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>&nbsp;env,
+                                                      org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState&nbsp;state)
+                                               throws <a href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureSuspendedException.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureSuspendedException</a>,
+                                                      <a href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureYieldException.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureYieldException</a>,
+                                                      <a href="http://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/StateMachineProcedure.html#executeFromState-TEnvironment-TState-">StateMachineProcedure</a></code></span></div>
+<div class="block">called to perform a single step of the specified 'state' of the procedure</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#executeFromState-TEnvironment-TState-">executeFromState</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html" title="class in org.apache.hadoop.hbase.procedure2">StateMachineProcedure</a>&lt;<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>,org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState&gt;</code></dd>
+<dd><code>state</code> - state to execute</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>Flow.NO_MORE_STATE if the procedure is completed,
+         Flow.HAS_MORE_STATE if there is another step.</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureSuspendedException.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureSuspendedException</a></code></dd>
+<dd><code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureYieldException.html" title="class in org.apache.hadoop.hbase.procedure2">ProcedureYieldException</a></code></dd>
+<dd><code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd>
+</dl>
+</li>
+</ul>
+<a name="rollbackState-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>rollbackState</h4>
+<pre>protected&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.154">rollbackState</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>&nbsp;env,
+                             org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState&nbsp;recoverMetaState)
+                      throws <a href="http://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="http://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/StateMachineProcedure.html#rollbackState-TEnvironment-TState-">StateMachineProcedure</a></code></span></div>
+<div class="block">called to perform the rollback of the specified state</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#rollbackState-TEnvironment-TState-">rollbackState</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html" title="class in org.apache.hadoop.hbase.procedure2">StateMachineProcedure</a>&lt;<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>,org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState&gt;</code></dd>
+<dd><code>recoverMetaState</code> - state to rollback</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code><a href="http://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="http://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd>
+</dl>
+</li>
+</ul>
+<a name="getState-int-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getState</h4>
+<pre>protected&nbsp;org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.162">getState</a>(int&nbsp;stateId)</pre>
+<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#getState-int-">StateMachineProcedure</a></code></span></div>
+<div class="block">Convert an ordinal (or state id) to an Enum (or more descriptive) state object.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#getState-int-">getState</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html" title="class in org.apache.hadoop.hbase.procedure2">StateMachineProcedure</a>&lt;<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>,org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState&gt;</code></dd>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>stateId</code> - the ordinal() of the state enum (or state id)</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>the state enum object</dd>
+</dl>
+</li>
+</ul>
+<a name="getStateId-org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getStateId</h4>
+<pre>protected&nbsp;int&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.167">getStateId</a>(org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState&nbsp;recoverMetaState)</pre>
+<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#getStateId-TState-">StateMachineProcedure</a></code></span></div>
+<div class="block">Convert the Enum (or more descriptive) state object to an ordinal (or state id).</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#getStateId-TState-">getStateId</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html" title="class in org.apache.hadoop.hbase.procedure2">StateMachineProcedure</a>&lt;<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>,org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState&gt;</code></dd>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>recoverMetaState</code> - the state enum object</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>stateId the ordinal() of the state enum (or state id)</dd>
+</dl>
+</li>
+</ul>
+<a name="getInitialState--">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getInitialState</h4>
+<pre>protected&nbsp;org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.172">getInitialState</a>()</pre>
+<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#getInitialState--">StateMachineProcedure</a></code></span></div>
+<div class="block">Return the initial state object that will be used for the first call to executeFromState().</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#getInitialState--">getInitialState</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html" title="class in org.apache.hadoop.hbase.procedure2">StateMachineProcedure</a>&lt;<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>,org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState&gt;</code></dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>the initial state enum object</dd>
+</dl>
+</li>
+</ul>
+<a name="toStringClassDetails-java.lang.StringBuilder-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>toStringClassDetails</h4>
+<pre>protected&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.177">toStringClassDetails</a>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/StringBuilder.html?is-external=true" title="class or interface in java.lang">StringBuilder</a>&nbsp;sb)</pre>
+<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#toStringClassDetails-java.lang.StringBuilder-">Procedure</a></code></span></div>
+<div class="block">Extend the toString() information with the procedure details
+ e.g. className and parameters</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
+<dd><code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#toStringClassDetails-java.lang.StringBuilder-">toStringClassDetails</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/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>&gt;</code></dd>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>sb</code> - the string builder to use to append the proc specific information</dd>
+</dl>
+</li>
+</ul>
+<a name="serializeStateData-java.io.OutputStream-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>serializeStateData</h4>
+<pre>protected&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.186">serializeStateData</a>(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a>&nbsp;stream)
+                           throws <a href="http://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-java.io.OutputStream-">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">Overrides:</span></dt>
+<dd><code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#serializeStateData-java.io.OutputStream-">serializeStateData</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html" title="class in org.apache.hadoop.hbase.procedure2">StateMachineProcedure</a>&lt;<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>,org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState&gt;</code></dd>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>stream</code> - the stream that will contain the user serialized data</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code><a href="http://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>
+</dl>
+</li>
+</ul>
+<a name="deserializeStateData-java.io.InputStream-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>deserializeStateData</h4>
+<pre>protected&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.198">deserializeStateData</a>(<a href="http://docs.oracle.com/javase/8/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a>&nbsp;stream)
+                             throws <a href="http://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-java.io.InputStream-">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">Overrides:</span></dt>
+<dd><code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#deserializeStateData-java.io.InputStream-">deserializeStateData</a></code>&nbsp;in class&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html" title="class in org.apache.hadoop.hbase.procedure2">StateMachineProcedure</a>&lt;<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>,org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.RecoverMetaState&gt;</code></dd>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>stream</code> - the stream that contains the user serialized data</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code><a href="http://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>
+</dl>
+</li>
+</ul>
+<a name="acquireLock-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>acquireLock</h4>
+<pre>protected&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.LockState.html" title="enum in org.apache.hadoop.hbase.procedure2">Procedure.LockState</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.209">acquireLock</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</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#acquireLock-TEnvironment-">Procedure</a></code></span></div>
+<div class="block">The user should override this method if they need a lock on an Entity.
+ A lock can be anything, and it is up to the implementor. The Procedure
+ Framework will call this method just before it invokes <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#execute-TEnvironment-"><code>Procedure.execute(Object)</code></a>.
+ It calls <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#releaseLock-TEnvironment-"><code>Procedure.releaseLock(Object)</code></a> after the call to execute.
+
+ <p>If you need to hold the lock for the life of the Procdure -- i.e. you do not
+ want any other Procedure interfering while this Procedure is running, see
+ <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#holdLock-TEnvironment-"><code>Procedure.holdLock(Object)</code></a>.
+
+ <p>Example: in our Master we can execute request in parallel for different tables.
+ We can create t1 and create t2 and these creates can be executed at the same time.
+ Anything else on t1/t2 is queued waiting that specific table create to happen.
+
+ <p>There are 3 LockState:
+ <ul><li>LOCK_ACQUIRED should be returned when the proc has the lock and the proc is
+ ready to execute.</li>
+ <li>LOCK_YIELD_WAIT should be returned when the proc has not the lock and the framework
+ should take care of readding the procedure back to the runnable set for retry</li>
+ <li>LOCK_EVENT_WAIT should be returned when the proc has not the lock and someone will
+ take care of readding the procedure back to the runnable set when the lock is available.
+ </li></ul></div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
+<dd><code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#acquireLock-TEnvironment-">acquireLock</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/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>&gt;</code></dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>the lock state as described above.</dd>
+</dl>
+</li>
+</ul>
+<a name="releaseLock-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>releaseLock</h4>
+<pre>protected&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.217">releaseLock</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</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#releaseLock-TEnvironment-">Procedure</a></code></span></div>
+<div class="block">The user should override this method, and release lock if necessary.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
+<dd><code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#releaseLock-TEnvironment-">releaseLock</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/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>&gt;</code></dd>
+</dl>
+</li>
+</ul>
+<a name="completionCleanup-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>completionCleanup</h4>
+<pre>protected&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.222">completionCleanup</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</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#completionCleanup-TEnvironment-">Procedure</a></code></span></div>
+<div class="block">Called when the procedure is marked as completed (success or rollback).
+ The procedure implementor may use this method to cleanup in-memory states.
+ This operation will not be retried on failure. If a procedure took a lock,
+ it will have been released when this method runs.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
+<dd><code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#completionCleanup-TEnvironment-">completionCleanup</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/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>&gt;</code></dd>
+</dl>
+</li>
+</ul>
+<a name="getTableName--">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getTableName</h4>
+<pre>public&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.227">getTableName</a>()</pre>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.html#getTableName--">getTableName</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.html" title="interface in org.apache.hadoop.hbase.master.procedure">TableProcedureInterface</a></code></dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>the name of the table the procedure is operating on</dd>
+</dl>
+</li>
+</ul>
+<a name="getTableOperationType--">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getTableOperationType</h4>
+<pre>public&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.TableOperationType.html" title="enum in org.apache.hadoop.hbase.master.procedure">TableProcedureInterface.TableOperationType</a>&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.232">getTableOperationType</a>()</pre>
+<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.html#getTableOperationType--">TableProcedureInterface</a></code></span></div>
+<div class="block">Given an operation type we can take decisions about what to do with pending operations.
+ e.g. if we get a delete and we have some table operation pending (e.g. add column)
+ we can abort those operations.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.html#getTableOperationType--">getTableOperationType</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.html" title="interface in org.apache.hadoop.hbase.master.procedure">TableProcedureInterface</a></code></dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>the operation type that the procedure is executing.</dd>
+</dl>
+</li>
+</ul>
+<a name="isRunRequired--">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>isRunRequired</h4>
+<pre>private&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.240">isRunRequired</a>()</pre>
+<dl>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>true if failedMetaServer is not null (meta carrying server crashed) or meta is
+ already initialized</dd>
+</dl>
+</li>
+</ul>
+<a name="prepare-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>prepare</h4>
+<pre>private&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html#line.247">prepare</a>(<a href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html" title="class in org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>&nbsp;env)</pre>
+<div class="block">Prepare for execution</div>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<!-- ========= END OF CLASS DATA ========= -->
+<!-- ======= START OF BOTTOM NAVBAR ====== -->
+<div class="bottomNav"><a name="navbar.bottom">
+<!--   -->
+</a>
+<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div>
+<a name="navbar.bottom.firstrow">
+<!--   -->
+</a>
+<ul class="navList" title="Navigation">
+<li><a href="../../../../../../overview-summary.html">Overview</a></li>
+<li><a href="package-summary.html">Package</a></li>
+<li class="navBarCell1Rev">Class</li>
+<li><a href="class-use/RecoverMetaProcedure.html">Use</a></li>
+<li><a href="package-tree.html">Tree</a></li>
+<li><a href="../../../../../../deprecated-list.html">Deprecated</a></li>
+<li><a href="../../../../../../index-all.html">Index</a></li>
+<li><a href="../../../../../../help-doc.html">Help</a></li>
+</ul>
+</div>
+<div class="subNav">
+<ul class="navList">
+<li><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/ProcedureSyncWait.ProcedureFuture.html" title="class in org.apache.hadoop.hbase.master.procedure"><span class="typeNameLink">Prev&nbsp;Class</span></a></li>
+<li><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/RestoreSnapshotProcedure.html" title="class in org.apache.hadoop.hbase.master.procedure"><span class="typeNameLink">Next&nbsp;Class</span></a></li>
+</ul>
+<ul class="navList">
+<li><a href="../../../../../../index.html?org/apache/hadoop/hbase/master/procedure/RecoverMetaProcedure.html" target="_top">Frames</a></li>
+<li><a href="RecoverMetaProcedure.html" target="_top">No&nbsp;Frames</a></li>
+</ul>
+<ul class="navList" id="allclasses_navbar_bottom">
+<li><a href="../../../../../../allclasses-noframe.html">All&nbsp;Classes</a></li>
+</ul>
+<div>
+<script type="text/javascript"><!--
+  allClassesLink = document.getElementById("allclasses_navbar_bottom");
+  if(window==top) {
+    allClassesLink.style.display = "block";
+  }
+  else {
+    allClassesLink.style.display = "none";
+  }
+  //-->
+</script>
+</div>
+<div>
+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li><a href="#nested.classes.inherited.from.class.org.apache.hadoop.hbase.procedure2.StateMachineProcedure">Nested</a>&nbsp;|&nbsp;</li>
+<li><a href="#field.summary">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor.summary">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method.summary">Method</a></li>
+</ul>
+<ul class="subNavList">
+<li>Detail:&nbsp;</li>
+<li><a href="#field.detail">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor.detail">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method.detail">Method</a></li>
+</ul>
+</div>
+<a name="skip.navbar.bottom">
+<!--   -->
+</a></div>
+<!-- ======== END OF BOTTOM NAVBAR ======= -->
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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/110df817/devapidocs/org/apache/hadoop/hbase/master/procedure/RestoreSnapshotProcedure.html
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