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<div class="subTitle">org.apache.hadoop.hbase.master.assignment</div>
<h2 title="Class GCMultipleMergedRegionsProcedure" class="title">Class GCMultipleMergedRegionsProcedure</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">org.apache.hadoop.hbase.procedure2.Procedure</a>&lt;TEnvironment&gt;</li>
<li>
<ul class="inheritance">
<li><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>,TState&gt;</li>
<li>
<ul class="inheritance">
<li><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html" title="class in 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.GCMultipleMergedRegionsProcedure</li>
</ul>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Comparable.html?is-external=true" title="class or interface in java.lang">Comparable</a>&lt;<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>@InterfaceAudience.Private
public class <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#line.46">GCMultipleMergedRegionsProcedure</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. 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 sub-procedures take locks on the Regions they are purging.
Replaces a Procedure that did two regions only at a time instead doing multiple merges in the
one go; only difference from the old <code>MasterProcedureProtos.GCMergedRegionsState</code> is the serialization; this
class has a different serialization profile writing out more than just two regions.</div>
</li>
</ul>
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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">
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</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">
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<h3>Nested classes/interfaces inherited from class&nbsp;org.apache.hadoop.hbase.procedure2.<a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a></h3>
<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.LockState.html" title="enum in org.apache.hadoop.hbase.procedure2">Procedure.LockState</a></code></li>
</ul>
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<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>
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<!-- =========== FIELD SUMMARY =========== -->
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<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 static org.slf4j.Logger</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#LOG">LOG</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>private <a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#mergedChild">mergedChild</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#parents">parents</a></span></code>&nbsp;</td>
</tr>
</table>
<ul class="blockList">
<li class="blockList"><a name="fields.inherited.from.class.org.apache.hadoop.hbase.procedure2.StateMachineProcedure">
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<h3>Fields 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#stateCount">stateCount</a></code></li>
</ul>
<ul class="blockList">
<li class="blockList"><a name="fields.inherited.from.class.org.apache.hadoop.hbase.procedure2.Procedure">
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</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>
<ul class="blockList">
<li class="blockList"><a name="fields.inherited.from.class.org.apache.hadoop.hbase.master.procedure.TableProcedureInterface">
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</a>
<h3>Fields 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.html#DUMMY_NAMESPACE_TABLE_NAME">DUMMY_NAMESPACE_TABLE_NAME</a></code></li>
</ul>
</li>
</ul>
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<li class="blockList"><a name="constructor.summary">
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</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/GCMultipleMergedRegionsProcedure.html#GCMultipleMergedRegionsProcedure--">GCMultipleMergedRegionsProcedure</a></span>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#GCMultipleMergedRegionsProcedure-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-org.apache.hadoop.hbase.client.RegionInfo-java.util.List-">GCMultipleMergedRegionsProcedure</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/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;mergedChild,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&gt;&nbsp;parents)</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>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/assignment/GCMultipleMergedRegionsProcedure.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>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/GCMultipleMergedRegionsProcedure.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="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/assignment/GCMultipleMergedRegionsProcedure.html#deserializeStateData-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-">deserializeStateData</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureStateSerializer.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureStateSerializer</a>&nbsp;serializer)</code>
<div class="block">Called on store load to allow the user to decode the previously serialized
state.</div>
</td>
</tr>
<tr id="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/assignment/GCMultipleMergedRegionsProcedure.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="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/GCMultipleMergedRegionsProcedure.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.GCMergedRegionsState</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.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/assignment/GCMultipleMergedRegionsProcedure.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="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/assignment/GCMultipleMergedRegionsProcedure.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/assignment/GCMultipleMergedRegionsProcedure.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>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#holdLock-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">holdLock</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">Used to keep the procedure lock even when the procedure is yielding or suspended.</div>
</td>
</tr>
<tr id="i10" 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/GCMultipleMergedRegionsProcedure.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="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/assignment/GCMultipleMergedRegionsProcedure.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="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/assignment/GCMultipleMergedRegionsProcedure.html#serializeStateData-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-">serializeStateData</a></span>(<a href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureStateSerializer.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureStateSerializer</a>&nbsp;serializer)</code>
<div class="block">The user-level code of the procedure may have some state to
persist (e.g.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#toStringClassDetails-java.lang.StringBuilder-">toStringClassDetails</a></span>(<a href="https://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">
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</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#checkOnline-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-org.apache.hadoop.hbase.client.RegionInfo-">checkOnline</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#getWALRegionDir-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-org.apache.hadoop.hbase.client.RegionInfo-">getWALRegionDir</a>, <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html#isTableEnabled-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">isTableEnabled</a>, <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html#preflightChecks-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-java.lang.Boolean-">preflightChecks</a>, <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html#releaseSyncLatch--">releaseSyncLatch</a>, <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html#setUser-org.apache.hadoop.hbase.security.User-">setUser</a>, <a href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html#waitInitialized-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">waitInitialized</a></code></li>
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<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-T...-">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#getCurrentStateId--">getCurrentStateId</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#getCycles--">getCycles</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#isEofState--">isEofState</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>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#rollback-TEnvironment-">rollback</a>, <a 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>
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<h3>Methods inherited from class&nbsp;org.apache.hadoop.hbase.procedure2.<a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html" title="class in org.apache.hadoop.hbase.procedure2">Procedure</a></h3>
<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#addStackIndex-int-">addStackIndex</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#afterReplay-TEnvironment-">afterReplay</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#beforeReplay-TEnvironment-">beforeReplay</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#bypass-TEnvironment-">bypass</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#compareTo-org.apache.hadoop.hbase.procedure2.Procedure-">compareTo</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#completionCleanup-TEnvironment-">completionCleanup</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#doExecute-TEnvironment-">doExecute</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>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getChildrenLatch--">getChildrenLatch</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getException--">getException</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getLastUpdate--">getLastUpdate</a>, <a 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#getProcedureMetrics-TEnvironment-">getProcedureMetrics</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getProcId--">getProcId</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getProcIdHashCode-long-">getProcIdHashCode</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#getProcName--">getProcName</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 href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#hasException--">hasException</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#hasLock--">hasLock</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#hasOwner--">hasOwner</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#hasParent--">hasParent</a>, <a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#hasTimeout--">hasTimeout</a>, <a 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<h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<h3>Field Detail</h3>
<a name="LOG">
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<ul class="blockList">
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<h4>LOG</h4>
<pre>private static final&nbsp;org.slf4j.Logger <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#line.48">LOG</a></pre>
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<h4>parents</h4>
<pre>private&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&gt; <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#line.49">parents</a></pre>
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<pre>private&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a> <a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#line.50">mergedChild</a></pre>
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<h3>Constructor Detail</h3>
<a name="GCMultipleMergedRegionsProcedure-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-org.apache.hadoop.hbase.client.RegionInfo-java.util.List-">
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<h4>GCMultipleMergedRegionsProcedure</h4>
<pre>public&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#line.52">GCMultipleMergedRegionsProcedure</a>(<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/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;mergedChild,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../../org/apache/hadoop/hbase/client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&gt;&nbsp;parents)</pre>
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<h4>GCMultipleMergedRegionsProcedure</h4>
<pre>public&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#line.59">GCMultipleMergedRegionsProcedure</a>()</pre>
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<!-- ============ METHOD DETAIL ========== -->
<ul class="blockList">
<li class="blockList"><a name="method.detail">
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<h3>Method Detail</h3>
<a name="holdLock-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">
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<ul class="blockList">
<li class="blockList">
<h4>holdLock</h4>
<pre>protected&nbsp;boolean&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#line.64">holdLock</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#holdLock-TEnvironment-">Procedure</a></code></span></div>
<div class="block">Used to keep the procedure lock even when the procedure is yielding or suspended.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#holdLock-TEnvironment-">holdLock</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>true if the procedure should hold on the lock until completionCleanup()</dd>
</dl>
</li>
</ul>
<a name="acquireLock-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">
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<ul class="blockList">
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<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/assignment/GCMultipleMergedRegionsProcedure.html#line.69">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 Procedure -- 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/master/procedure/AbstractStateMachineTableProcedure.html#acquireLock-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">acquireLock</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 lock state as described above.</dd>
</dl>
</li>
</ul>
<a name="releaseLock-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">
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<ul class="blockList">
<li class="blockList">
<h4>releaseLock</h4>
<pre>protected&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#line.80">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/master/procedure/AbstractStateMachineTableProcedure.html#releaseLock-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">releaseLock</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>
</dl>
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<a name="getTableOperationType--">
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<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/assignment/GCMultipleMergedRegionsProcedure.html#line.85">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="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hbase/master/procedure/AbstractStateMachineTableProcedure.html#getTableOperationType--">getTableOperationType</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 operation type that the procedure is executing.</dd>
</dl>
</li>
</ul>
<a name="executeFromState-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.GCMergedRegionsState-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<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/assignment/GCMultipleMergedRegionsProcedure.html#line.90">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.GCMergedRegionsState&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="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/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.GCMergedRegionsState&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="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd>
</dl>
</li>
</ul>
<a name="createGCRegionProcedures-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>createGCRegionProcedures</h4>
<pre>private&nbsp;<a href="../../../../../../org/apache/hadoop/hbase/master/assignment/GCRegionProcedure.html" title="class in org.apache.hadoop.hbase.master.assignment">GCRegionProcedure</a>[]&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#line.129">createGCRegionProcedures</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>
</li>
</ul>
<a name="rollbackState-org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv-org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.GCMergedRegionsState-">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>rollbackState</h4>
<pre>protected&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#line.141">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.GCMergedRegionsState&nbsp;state)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/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.GCMergedRegionsState&gt;</code></dd>
<dd><code>state</code> - state to rollback</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - temporary failure, the rollback will retry later</dd>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></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.GCMergedRegionsState&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#line.147">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.GCMergedRegionsState&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.GCMergedRegionsState-">
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</a>
<ul class="blockList">
<li class="blockList">
<h4>getStateId</h4>
<pre>protected&nbsp;int&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#line.152">getStateId</a>(org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.GCMergedRegionsState&nbsp;state)</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.GCMergedRegionsState&gt;</code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>state</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.GCMergedRegionsState&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#line.157">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-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-">
<!-- -->
</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/GCMultipleMergedRegionsProcedure.html#line.162">serializeStateData</a>(<a href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureStateSerializer.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureStateSerializer</a>&nbsp;serializer)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#serializeStateData-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-">Procedure</a></code></span></div>
<div class="block">The user-level code of the procedure may have some state to
persist (e.g. input arguments or current position in the processing state) to
be able to resume on failure.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#serializeStateData-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-">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>serializer</code> - stores the serializable state</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
</li>
</ul>
<a name="deserializeStateData-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-">
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</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/GCMultipleMergedRegionsProcedure.html#line.174">deserializeStateData</a>(<a href="../../../../../../org/apache/hadoop/hbase/procedure2/ProcedureStateSerializer.html" title="interface in org.apache.hadoop.hbase.procedure2">ProcedureStateSerializer</a>&nbsp;serializer)
throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class:&nbsp;<code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/Procedure.html#deserializeStateData-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-">Procedure</a></code></span></div>
<div class="block">Called on store load to allow the user to decode the previously serialized
state.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../../../org/apache/hadoop/hbase/procedure2/StateMachineProcedure.html#deserializeStateData-org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer-">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>serializer</code> - contains the serialized state</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
</dl>
</li>
</ul>
<a name="toStringClassDetails-java.lang.StringBuilder-">
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<ul class="blockList">
<li class="blockList">
<h4>toStringClassDetails</h4>
<pre>public&nbsp;void&nbsp;<a href="../../../../../../src-html/org/apache/hadoop/hbase/master/assignment/GCMultipleMergedRegionsProcedure.html#line.185">toStringClassDetails</a>(<a href="https://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/GCMultipleMergedRegionsProcedure.html#line.195">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>
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