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<h1 title="Uses of Package org.apache.hadoop.hbase.coprocessor" class="title">Uses of Package<br>org.apache.hadoop.hbase.coprocessor</h1>
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<caption><span>Packages that use <a href="../../../../../org/apache/hadoop/hbase/coprocessor/package-summary.html">org.apache.hadoop.hbase.coprocessor</a></span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Package</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.hbase">org.apache.hadoop.hbase</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.hbase.backup">org.apache.hadoop.hbase.backup</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.hbase.client.coprocessor">org.apache.hadoop.hbase.client.coprocessor</a></td>
<td class="colLast">
<div class="block">Provides client classes for invoking Coprocessor RPC protocols
<a href="../../../../../org/apache/hadoop/hbase/client/coprocessor/#overview">Overview</a>
<a href="../../../../../org/apache/hadoop/hbase/client/coprocessor/#usage">Example Usage</a>
</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="#org.apache.hadoop.hbase.constraint">org.apache.hadoop.hbase.constraint</a></td>
<td class="colLast">
<div class="block">Restrict the domain of a data attribute, often times to fulfill business rules/requirements.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="#org.apache.hadoop.hbase.coprocessor">org.apache.hadoop.hbase.coprocessor</a></td>
<td class="colLast">
<div class="block">Table of Contents</div>
</td>
</tr>
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<td class="colFirst"><a href="#org.apache.hadoop.hbase.coprocessor.example">org.apache.hadoop.hbase.coprocessor.example</a></td>
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<td class="colFirst"><a href="#org.apache.hadoop.hbase.master">org.apache.hadoop.hbase.master</a></td>
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<td class="colFirst"><a href="#org.apache.hadoop.hbase.quotas">org.apache.hadoop.hbase.quotas</a></td>
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<td class="colFirst"><a href="#org.apache.hadoop.hbase.regionserver">org.apache.hadoop.hbase.regionserver</a></td>
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<td class="colFirst"><a href="#org.apache.hadoop.hbase.regionserver.wal">org.apache.hadoop.hbase.regionserver.wal</a></td>
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<td class="colFirst"><a href="#org.apache.hadoop.hbase.replication.regionserver">org.apache.hadoop.hbase.replication.regionserver</a></td>
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<td class="colFirst"><a href="#org.apache.hadoop.hbase.rsgroup">org.apache.hadoop.hbase.rsgroup</a></td>
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<td class="colFirst"><a href="#org.apache.hadoop.hbase.tool">org.apache.hadoop.hbase.tool</a></td>
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<td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/class-use/MasterCoprocessor.html#org.apache.hadoop.hbase">MasterCoprocessor</a>&nbsp;</td>
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<td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/class-use/ObserverContext.html#org.apache.hadoop.hbase.backup">ObserverContext</a>
<div class="block">Carries the execution state for a given invocation of an Observer coprocessor
(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor"><code>RegionObserver</code></a>, <a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor"><code>MasterObserver</code></a>, or <a href="../../../../../org/apache/hadoop/hbase/coprocessor/WALObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor"><code>WALObserver</code></a>)
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<td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/class-use/RegionObserver.html#org.apache.hadoop.hbase.backup">RegionObserver</a>
<div class="block">Coprocessors implement this interface to observe and mediate client actions on the region.</div>
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<div class="block">Defines how value for specific column is interpreted and provides utility
methods like compare, add, multiply etc for them.</div>
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<td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/class-use/ObserverContext.html#org.apache.hadoop.hbase.constraint">ObserverContext</a>
<div class="block">Carries the execution state for a given invocation of an Observer coprocessor
(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor"><code>RegionObserver</code></a>, <a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor"><code>MasterObserver</code></a>, or <a href="../../../../../org/apache/hadoop/hbase/coprocessor/WALObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor"><code>WALObserver</code></a>)
method.</div>
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<td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/class-use/RegionCoprocessor.html#org.apache.hadoop.hbase.constraint">RegionCoprocessor</a>&nbsp;</td>
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<td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/class-use/RegionCoprocessorEnvironment.html#org.apache.hadoop.hbase.constraint">RegionCoprocessorEnvironment</a>&nbsp;</td>
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<td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/class-use/RegionObserver.html#org.apache.hadoop.hbase.constraint">RegionObserver</a>
<div class="block">Coprocessors implement this interface to observe and mediate client actions on the region.</div>
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<td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/class-use/BulkLoadObserver.html#org.apache.hadoop.hbase.coprocessor">BulkLoadObserver</a>
<div class="block">Coprocessors implement this interface to observe and mediate bulk load operations.</div>
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<div class="block">Implementations defined function to get an observer of type <code>O</code> from a coprocessor of
type <code>C</code>.</div>
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<td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/class-use/CoprocessorHost.ObserverOperationWithResult.html#org.apache.hadoop.hbase.coprocessor">CoprocessorHost.ObserverOperationWithResult</a>&nbsp;</td>
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<td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/class-use/EndpointObserver.html#org.apache.hadoop.hbase.coprocessor">EndpointObserver</a>
<div class="block">Coprocessors implement this interface to observe and mediate endpoint invocations
on a region.</div>
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<td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/class-use/MasterObserver.html#org.apache.hadoop.hbase.coprocessor">MasterObserver</a>
<div class="block">Defines coprocessor hooks for interacting with operations on the
<a href="../../../../../org/apache/hadoop/hbase/master/HMaster.html" title="class in org.apache.hadoop.hbase.master"><code>HMaster</code></a> process.</div>
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<td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/class-use/MetaTableMetrics.ExampleRegionObserverMeta.html#org.apache.hadoop.hbase.coprocessor">MetaTableMetrics.ExampleRegionObserverMeta</a>&nbsp;</td>
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<td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/class-use/ObserverContext.html#org.apache.hadoop.hbase.coprocessor">ObserverContext</a>
<div class="block">Carries the execution state for a given invocation of an Observer coprocessor
(<a href="../../../../../org/apache/hadoop/hbase/coprocessor/RegionObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor"><code>RegionObserver</code></a>, <a href="../../../../../org/apache/hadoop/hbase/coprocessor/MasterObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor"><code>MasterObserver</code></a>, or <a href="../../../../../org/apache/hadoop/hbase/coprocessor/WALObserver.html" title="interface in org.apache.hadoop.hbase.coprocessor"><code>WALObserver</code></a>)
method.</div>
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<td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/class-use/ObserverContextImpl.html#org.apache.hadoop.hbase.coprocessor">ObserverContextImpl</a>
<div class="block">This is the only implementation of <a href="../../../../../org/apache/hadoop/hbase/coprocessor/ObserverContext.html" title="interface in org.apache.hadoop.hbase.coprocessor"><code>ObserverContext</code></a>, which serves as the interface for
third-party Coprocessor developers.</div>
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<td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/class-use/RegionObserver.html#org.apache.hadoop.hbase.coprocessor">RegionObserver</a>
<div class="block">Coprocessors implement this interface to observe and mediate client actions on the region.</div>
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<td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/class-use/RegionObserver.MutationType.html#org.apache.hadoop.hbase.coprocessor">RegionObserver.MutationType</a>
<div class="block">Mutation type for postMutationBeforeWAL hook</div>
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<td class="colOne"><a href="../../../../../org/apache/hadoop/hbase/coprocessor/class-use/RegionServerObserver.html#org.apache.hadoop.hbase.coprocessor">RegionServerObserver</a>
<div class="block">Defines coprocessor hooks for interacting with operations on the
<a href="../../../../../org/apache/hadoop/hbase/regionserver/HRegionServer.html" title="class in org.apache.hadoop.hbase.regionserver"><code>HRegionServer</code></a> process.</div>
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<div class="block">It's provided to have a way for coprocessors to observe, rewrite,
or skip WALEdits as they are being written to the WAL.</div>
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<div class="block">Defines coprocessor hooks for interacting with operations on the
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<div class="block">Coprocessors implement this interface to observe and mediate client actions on the region.</div>
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