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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/6dd31117/devapidocs/org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.html
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diff --git 
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href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html"
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org.apache.hadoop.hbase.master.procedure">org.apache.hadoop.hbase.master.procedure.AbstractStateMachineTableProcedure</a>&lt;org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.GCMergedRegionsState&gt;</li>
+<li>
+<ul class="inheritance">
+<li>org.apache.hadoop.hbase.master.assignment.GCMergedRegionsProcedure</li>
+</ul>
+</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><a 
href="../../../../../../org/apache/hadoop/hbase/classification/InterfaceAudience.Private.html"
 title="annotation in 
org.apache.hadoop.hbase.classification">@InterfaceAudience.Private</a>
+public class <a 
href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.html#line.45">GCMergedRegionsProcedure</a>
+extends <a 
href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html"
 title="class in 
org.apache.hadoop.hbase.master.procedure">AbstractStateMachineTableProcedure</a>&lt;org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.GCMergedRegionsState&gt;</pre>
+<div class="block">GC regions that have been Merged.
+ Caller determines if it is GC time. This Procedure does not check.
+ <p>This is a Table Procedure. We take a read lock on the Table.
+ We do NOT keep a lock for the life of this procedure. The subprocedures
+ take locks on the Regions they are purging.</div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- ======== NESTED CLASS SUMMARY ======== -->
+<ul class="blockList">
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+<!--   -->
+</a>
+<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/HRegionInfo.html" title="class 
in org.apache.hadoop.hbase">HRegionInfo</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.html#father">father</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/assignment/GCMergedRegionsProcedure.html#LOG">LOG</a></span></code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>private <a 
href="../../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class 
in org.apache.hadoop.hbase">HRegionInfo</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.html#mergedChild">mergedChild</a></span></code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>private <a 
href="../../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class 
in org.apache.hadoop.hbase">HRegionInfo</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.html#mother">mother</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/assignment/GCMergedRegionsProcedure.html#GCMergedRegionsProcedure--">GCMergedRegionsProcedure</a></span>()</code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colOne"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.html#GCMergedRegionsProcedure-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-org.apache.hadoop.hbase.HRegionInfo-org.apache.hadoop.hbase.HRegionInfo-org.apache.hadoop.hbase.HRegionInfo-">GCMergedRegionsProcedure</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,
+                        <a 
href="../../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class 
in org.apache.hadoop.hbase">HRegionInfo</a>&nbsp;mergedChild,
+                        <a 
href="../../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class 
in org.apache.hadoop.hbase">HRegionInfo</a>&nbsp;father,
+                        <a 
href="../../../../../../org/apache/hadoop/hbase/HRegionInfo.html" title="class 
in org.apache.hadoop.hbase">HRegionInfo</a>&nbsp;mother)</code>&nbsp;</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>private <a 
href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCRegionProcedure.html"
 title="class in 
org.apache.hadoop.hbase.master.assignment">GCRegionProcedure</a>[]</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.html#createGCRegionProcedures-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">createGCRegionProcedures</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>&nbsp;</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/assignment/GCMergedRegionsProcedure.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="i2" class="altColor">
+<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/assignment/GCMergedRegionsProcedure.html#executeFromState-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.GCMergedRegionsState-">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.GCMergedRegionsState&nbsp;state)</code>
+<div class="block">called to perform a single step of the specified 'state' of 
the procedure</div>
+</td>
+</tr>
+<tr id="i3" class="rowColor">
+<td class="colFirst"><code>protected 
org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.GCMergedRegionsState</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.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="i4" class="altColor">
+<td class="colFirst"><code>protected 
org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.GCMergedRegionsState</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.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="i5" class="rowColor">
+<td class="colFirst"><code>protected int</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.html#getStateId-org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.GCMergedRegionsState-">getStateId</a></span>(org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.GCMergedRegionsState&nbsp;state)</code>
+<div class="block">Convert the Enum (or more descriptive) state object to an 
ordinal (or state id).</div>
+</td>
+</tr>
+<tr id="i6" class="altColor">
+<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/assignment/GCMergedRegionsProcedure.html#getTableName--">getTableName</a></span>()</code>&nbsp;</td>
+</tr>
+<tr id="i7" class="rowColor">
+<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/assignment/GCMergedRegionsProcedure.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="i8" class="altColor">
+<td class="colFirst"><code>protected void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.html#rollbackState-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.GCMergedRegionsState-">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.GCMergedRegionsState&nbsp;state)</code>
+<div class="block">called to perform the rollback of the specified state</div>
+</td>
+</tr>
+<tr id="i9" class="rowColor">
+<td class="colFirst"><code>protected void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.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="i10" class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a 
href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.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.master.procedure.AbstractStateMachineTableProcedure">
+<!--   -->
+</a>
+<h3>Methods inherited from 
class&nbsp;org.apache.hadoop.hbase.master.procedure.<a 
href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html"
 title="class in 
org.apache.hadoop.hbase.master.procedure">AbstractStateMachineTableProcedure</a></h3>
+<code><a 
href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html#acquireLock-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">acquireLock</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html#checkTableModifiable-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">checkTableModifiable</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html#getUser--">getUser</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html#releaseLock-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">releaseLock</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html#releaseSyncLatch--">releaseSyncLatch</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableP
 
rocedure.html#setUser-org.apache.hadoop.hbase.security.User-">setUser</a></code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a 
name="methods.inherited.from.class.org.apache.hadoop.hbase.procedure2.StateMachineProcedure">
+<!--   -->
+</a>
+<h3>Methods 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.html#abort-TEnvironment-">abort</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#addChildProcedure-org.apache.hadoop.hbase.procedure2.Procedure...-">addChildProcedure</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#execute-TEnvironment-">execute</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#failIfAborted--">failIfAborted</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#getCurrentState--">getCurrentState</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#isRollbackSupported-TState-">isRollbackSupported</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#isYieldAfterExecutionStep-TEnvironment-">isYieldAfterExecutionStep</a>,
 <a href
 
="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#isYieldBeforeExecuteFromState-TEnvironment-TState-">isYieldBeforeExecuteFromState</a>,
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href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#rollback-TEnvironment-">rollback</a>,
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href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#setNextState-TState-">setNextState</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#toStringState-java.lang.StringBuilder-">toStringState</a></code></li>
+</ul>
+<ul class="blockList">
+<li class="blockList"><a 
name="methods.inherited.from.class.org.apache.hadoop.hbase.procedure2.Procedure">
+<!--   -->
+</a>
+<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#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#compareTo-org.apache.hadoop.hbase.procedure2.Procedure-">compareTo</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#completionCleanup-TEnvironment-">completionCleanup</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#doAcquireLock-TEnvironment-">doAcquireLock</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#doExecute-TEnvironment-">doExecute</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#doReleaseLock-TEnvironment-">d
 oReleaseLock</a>, <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#doRollback-TEnvironment-">doRollback</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#elapsedTime--">elapsedTime</a>,
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href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getChildrenLatch--">getChildrenLatch</a>,
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href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getException--">getException</a>,
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href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getLastUpdate--">getLastUpdate</a>,
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href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getNonceKey--">getNonceKey</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getOwner--">getOwner</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getParentProcId--">getParentProcId</a>,
 <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#ge
 tProcId--">getProcId</a>, <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getProcIdHashCode-long-">getProcIdHashCode</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getResult--">getResult</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getRootProcedureId-java.util.Map-org.apache.hadoop.hbase.procedure2.Procedure-">getRootProcedureId</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getRootProcId--">getRootProcId</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getStackIndexes--">getStackIndexes</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getState--">getState</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getSubmittedTime--">getSubmittedTime</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getTimeout--">getTimeout</a>,
 <
 a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getTimeoutTimestamp--">getTimeoutTimestamp</a>,
 <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#hasChildren--">hasChildren</a>,
 <a 
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href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html"
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+                                <a 
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+<pre>public&nbsp;<a 
href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.TableOperationType.html"
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href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.html#line.68">getTableOperationType</a>()</pre>
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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 
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href="../../../../../../org/apache/hadoop/hbase/master/procedure/TableProcedureInterface.html"
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+<dd><code><a 
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+<dd>the operation type that the procedure is executing.</dd>
+</dl>
+</li>
+</ul>
+<a 
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href="../../../../../../org/apache/hadoop/hbase/master/procedure/MasterProcedureEnv.html"
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org.apache.hadoop.hbase.master.procedure">MasterProcedureEnv</a>&nbsp;env,
+                                                      
org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.GCMergedRegionsState&nbsp;state)
+                                               throws <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureSuspendedException.html"
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org.apache.hadoop.hbase.procedure2">ProcedureSuspendedException</a>,
+                                                      <a 
href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureYieldException.html"
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org.apache.hadoop.hbase.procedure2">ProcedureYieldException</a>,
+                                                      <a 
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+<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
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+<dt><span class="returnLabel">Returns:</span></dt>
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+         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"
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org.apache.hadoop.hbase.procedure2">ProcedureSuspendedException</a></code></dd>
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href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureYieldException.html"
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+                             
org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.GCMergedRegionsState&nbsp;state)
+                      throws <a 
href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true";
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+                             <a 
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+<div class="block"><span class="descfrmTypeLabel">Description copied from 
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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>
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+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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 title="class or interface in java.io">IOException</a></code> - temporary 
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+<div class="block"><span class="descfrmTypeLabel">Description copied from 
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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>
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href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#getState-int-">getState</a></code>&nbsp;in
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href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html"
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+<dt><span class="paramLabel">Parameters:</span></dt>
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+<dd>the state enum object</dd>
+</dl>
+</li>
+</ul>
+<a 
name="getStateId-org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.GCMergedRegionsState-">
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+<pre>protected&nbsp;int&nbsp;<a 
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+<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
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href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html"
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+<dd><code>state</code> - the state enum object</dd>
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+<dd>stateId the ordinal() of the state enum (or state id)</dd>
+</dl>
+</li>
+</ul>
+<a name="getInitialState--">
+<!--   -->
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href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.html#line.130">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.GCMergedRegionsState&gt;</code></dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>the initial state enum object</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/assignment/GCMergedRegionsProcedure.html#line.135">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.GCMergedRegionsState&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/assignment/GCMergedRegionsProcedure.html#line.146">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.GCMergedRegionsState&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="toStringClassDetails-java.lang.StringBuilder-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>toStringClassDetails</h4>
+<pre>public&nbsp;void&nbsp;<a 
href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMergedRegionsProcedure.html#line.156">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/master/procedure/AbstractStateMachineTableProcedure.html#toStringClassDetails-java.lang.StringBuilder-">toStringClassDetails</a></code>&nbsp;in
 class&nbsp;<code><a 
href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html"
 title="class in 
org.apache.hadoop.hbase.master.procedure">AbstractStateMachineTableProcedure</a>&lt;org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.GCMergedRegionsState&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="getTableName--">
+<!--   -->
+</a>
+<ul class="blockListLast">
+<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/assignment/GCMergedRegionsProcedure.html#line.167">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="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a 
href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html#getTableName--">getTableName</a></code>&nbsp;in
 class&nbsp;<code><a 
href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html"
 title="class in 
org.apache.hadoop.hbase.master.procedure">AbstractStateMachineTableProcedure</a>&lt;org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.GCMergedRegionsState&gt;</code></dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>the name of the table the procedure is operating on</dd>
+</dl>
+</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 
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+<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/GCMergedRegionsProcedure.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 
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 title="class in org.apache.hadoop.hbase.master.assignment"><span 
class="typeNameLink">Prev&nbsp;Class</span></a></li>
+<li><a 
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+</ul>
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+<li><a 
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+</ul>
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+<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>
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+<li><a href="#method.detail">Method</a></li>
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+<!-- ======== END OF BOTTOM NAVBAR ======= -->
+<p class="legalCopy"><small>Copyright &#169; 2007&#x2013;2017 <a 
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