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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.hadoop.hbase</a></div>
<h1 title="Class LocalHBaseCluster" class="title">Class LocalHBaseCluster</h1>
</div>
<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance">org.apache.hadoop.hbase.LocalHBaseCluster</div>
</div>
<section class="class-description" id="class-description">
<hr>
<div class="type-signature"><span class="annotations">@Private
</span><span class="modifiers">public class </span><span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-53">LocalHBaseCluster</a></span>
<span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div>
<div class="block">This class creates a single process HBase cluster. One thread is created for a master and one per
region server. Call <a href="#startup()"><code>startup()</code></a> to start the cluster running and <a href="#shutdown()"><code>shutdown()</code></a> to
close it all down. <a href="#join()"><code>join()</code></a> the cluster is you want to wait on shutdown completion.
<p>
Runs master on port 16000 by default. Because we can't just kill the process -- not till
HADOOP-1700 gets fixed and even then.... -- we need to be able to find the master with a remote
client to run shutdown. To use a port other than 16000, set the hbase.master to a value of
'local:PORT': that is 'local', not 'localhost', and the port number the master should use instead
of 16000.</div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- =========== FIELD SUMMARY =========== -->
<li>
<section class="field-summary" id="field-summary">
<h2>Field Summary</h2>
<div class="caption"><span>Fields</span></div>
<div class="summary-table three-column-summary">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Field</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second even-row-color"><code><a href="#ASSIGN_RANDOM_PORTS" class="member-name-link">ASSIGN_RANDOM_PORTS</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>private final org.apache.hadoop.conf.Configuration</code></div>
<div class="col-second odd-row-color"><code><a href="#conf" class="member-name-link">conf</a></code></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-first even-row-color"><code>private static final int</code></div>
<div class="col-second even-row-color"><code><a href="#DEFAULT_NO" class="member-name-link">DEFAULT_NO</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second odd-row-color"><code><a href="#LOCAL" class="member-name-link">LOCAL</a></code></div>
<div class="col-last odd-row-color">
<div class="block">local mode</div>
</div>
<div class="col-first even-row-color"><code>static final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second even-row-color"><code><a href="#LOCAL_COLON" class="member-name-link">LOCAL_COLON</a></code></div>
<div class="col-last even-row-color">
<div class="block">'local:'</div>
</div>
<div class="col-first odd-row-color"><code>private static final org.slf4j.Logger</code></div>
<div class="col-second odd-row-color"><code><a href="#LOG" class="member-name-link">LOG</a></code></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-first even-row-color"><code>private final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends <a href="master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a>&gt;</code></div>
<div class="col-second even-row-color"><code><a href="#masterClass" class="member-name-link">masterClass</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>private final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="util/JVMClusterUtil.MasterThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.MasterThread</a>&gt;</code></div>
<div class="col-second odd-row-color"><code><a href="#masterThreads" class="member-name-link">masterThreads</a></code></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-first even-row-color"><code>private final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends <a href="regionserver/HRegionServer.html" title="class in org.apache.hadoop.hbase.regionserver">HRegionServer</a>&gt;</code></div>
<div class="col-second even-row-color"><code><a href="#regionServerClass" class="member-name-link">regionServerClass</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>private final <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="util/JVMClusterUtil.RegionServerThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.RegionServerThread</a>&gt;</code></div>
<div class="col-second odd-row-color"><code><a href="#regionThreads" class="member-name-link">regionThreads</a></code></div>
<div class="col-last odd-row-color">&nbsp;</div>
</div>
</section>
</li>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<li>
<section class="constructor-summary" id="constructor-summary">
<h2>Constructor Summary</h2>
<div class="caption"><span>Constructors</span></div>
<div class="summary-table two-column-summary">
<div class="table-header col-first">Constructor</div>
<div class="table-header col-last">Description</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(org.apache.hadoop.conf.Configuration)" class="member-name-link">LocalHBaseCluster</a><wbr>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code></div>
<div class="col-last even-row-color">
<div class="block">Constructor.</div>
</div>
<div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(org.apache.hadoop.conf.Configuration,int)" class="member-name-link">LocalHBaseCluster</a><wbr>(org.apache.hadoop.conf.Configuration&nbsp;conf,
int&nbsp;noRegionServers)</code></div>
<div class="col-last odd-row-color">
<div class="block">Constructor.</div>
</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(org.apache.hadoop.conf.Configuration,int,int)" class="member-name-link">LocalHBaseCluster</a><wbr>(org.apache.hadoop.conf.Configuration&nbsp;conf,
int&nbsp;noMasters,
int&nbsp;noRegionServers)</code></div>
<div class="col-last even-row-color">
<div class="block">Constructor.</div>
</div>
<div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(org.apache.hadoop.conf.Configuration,int,int,int,java.lang.Class,java.lang.Class)" class="member-name-link">LocalHBaseCluster</a><wbr>(org.apache.hadoop.conf.Configuration&nbsp;conf,
int&nbsp;noMasters,
int&nbsp;noAlwaysStandByMasters,
int&nbsp;noRegionServers,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends <a href="master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a>&gt;&nbsp;masterClass,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends <a href="regionserver/HRegionServer.html" title="class in org.apache.hadoop.hbase.regionserver">HRegionServer</a>&gt;&nbsp;regionServerClass)</code></div>
<div class="col-last odd-row-color">
<div class="block">Constructor.</div>
</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(org.apache.hadoop.conf.Configuration,int,int,java.lang.Class,java.lang.Class)" class="member-name-link">LocalHBaseCluster</a><wbr>(org.apache.hadoop.conf.Configuration&nbsp;conf,
int&nbsp;noMasters,
int&nbsp;noRegionServers,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends <a href="master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a>&gt;&nbsp;masterClass,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends <a href="regionserver/HRegionServer.html" title="class in org.apache.hadoop.hbase.regionserver">HRegionServer</a>&gt;&nbsp;regionServerClass)</code></div>
<div class="col-last even-row-color">&nbsp;</div>
</div>
</section>
</li>
<!-- ========== METHOD SUMMARY =========== -->
<li>
<section class="method-summary" id="method-summary">
<h2>Method Summary</h2>
<div id="method-summary-table">
<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
<div id="method-summary-table.tabpanel" role="tabpanel">
<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="util/JVMClusterUtil.MasterThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.MasterThread</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#addMaster()" class="member-name-link">addMaster</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="util/JVMClusterUtil.MasterThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.MasterThread</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#addMaster(org.apache.hadoop.conf.Configuration,int)" class="member-name-link">addMaster</a><wbr>(org.apache.hadoop.conf.Configuration&nbsp;c,
int&nbsp;index)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="util/JVMClusterUtil.MasterThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.MasterThread</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#addMaster(org.apache.hadoop.conf.Configuration,int,org.apache.hadoop.hbase.security.User)" class="member-name-link">addMaster</a><wbr>(org.apache.hadoop.conf.Configuration&nbsp;c,
int&nbsp;index,
<a href="security/User.html" title="class in org.apache.hadoop.hbase.security">User</a>&nbsp;user)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="util/JVMClusterUtil.RegionServerThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.RegionServerThread</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#addRegionServer()" class="member-name-link">addRegionServer</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="util/JVMClusterUtil.RegionServerThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.RegionServerThread</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#addRegionServer(org.apache.hadoop.conf.Configuration,int)" class="member-name-link">addRegionServer</a><wbr>(org.apache.hadoop.conf.Configuration&nbsp;config,
int&nbsp;index)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="util/JVMClusterUtil.RegionServerThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.RegionServerThread</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#addRegionServer(org.apache.hadoop.conf.Configuration,int,org.apache.hadoop.hbase.security.User)" class="member-name-link">addRegionServer</a><wbr>(org.apache.hadoop.conf.Configuration&nbsp;config,
int&nbsp;index,
<a href="security/User.html" title="class in org.apache.hadoop.hbase.security">User</a>&nbsp;user)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getActiveMaster()" class="member-name-link">getActiveMaster</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Gets the current active master, if available.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>org.apache.hadoop.conf.Configuration</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getConfiguration()" class="member-name-link">getConfiguration</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns the Configuration used by this LocalHBaseCluster</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="util/JVMClusterUtil.MasterThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.MasterThread</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getLiveMasters()" class="member-name-link">getLiveMasters</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="util/JVMClusterUtil.RegionServerThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.RegionServerThread</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getLiveRegionServers()" class="member-name-link">getLiveRegionServers</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getMaster(int)" class="member-name-link">getMaster</a><wbr>(int&nbsp;serverNumber)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns the HMaster thread</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends <a href="master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getMasterImplementation(org.apache.hadoop.conf.Configuration)" class="member-name-link">getMasterImplementation</a><wbr>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="util/JVMClusterUtil.MasterThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.MasterThread</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getMasters()" class="member-name-link">getMasters</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns Read-only list of master threads.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="regionserver/HRegionServer.html" title="class in org.apache.hadoop.hbase.regionserver">HRegionServer</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getRegionServer(int)" class="member-name-link">getRegionServer</a><wbr>(int&nbsp;serverNumber)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns region server</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>private static <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends <a href="regionserver/HRegionServer.html" title="class in org.apache.hadoop.hbase.regionserver">HRegionServer</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#getRegionServerImplementation(org.apache.hadoop.conf.Configuration)" class="member-name-link">getRegionServerImplementation</a><wbr>(org.apache.hadoop.conf.Configuration&nbsp;conf)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="util/JVMClusterUtil.RegionServerThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.RegionServerThread</a>&gt;</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getRegionServers()" class="member-name-link">getRegionServers</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns Read-only list of region server threads.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#isLocal(org.apache.hadoop.conf.Configuration)" class="member-name-link">isLocal</a><wbr>(org.apache.hadoop.conf.Configuration&nbsp;c)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#join()" class="member-name-link">join</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Wait for Mini HBase Cluster to shut down.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#main(java.lang.String%5B%5D)" class="member-name-link">main</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;args)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4">
<div class="block">Test things basically work.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#shutdown()" class="member-name-link">shutdown</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Shut down the mini HBase cluster</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#startup()" class="member-name-link">startup</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Start the cluster.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#waitOnMaster(int)" class="member-name-link">waitOnMaster</a><wbr>(int&nbsp;serverNumber)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Wait for the specified master to stop.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#waitOnMaster(org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread)" class="member-name-link">waitOnMaster</a><wbr>(<a href="util/JVMClusterUtil.MasterThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.MasterThread</a>&nbsp;masterThread)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Wait for the specified master to stop.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#waitOnRegionServer(int)" class="member-name-link">waitOnRegionServer</a><wbr>(int&nbsp;serverNumber)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Wait for the specified region server to stop.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#waitOnRegionServer(org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread)" class="member-name-link">waitOnRegionServer</a><wbr>(<a href="util/JVMClusterUtil.RegionServerThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.RegionServerThread</a>&nbsp;rst)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Wait for the specified region server to stop.</div>
</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ============ FIELD DETAIL =========== -->
<li>
<section class="field-details" id="field-detail">
<h2>Field Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="LOG">
<h3>LOG</h3>
<div class="member-signature"><span class="modifiers">private static final</span>&nbsp;<span class="return-type">org.slf4j.Logger</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-55">LOG</a></span></div>
</section>
</li>
<li>
<section class="detail" id="masterThreads">
<h3>masterThreads</h3>
<div class="member-signature"><span class="modifiers">private final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="util/JVMClusterUtil.MasterThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.MasterThread</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-56">masterThreads</a></span></div>
</section>
</li>
<li>
<section class="detail" id="regionThreads">
<h3>regionThreads</h3>
<div class="member-signature"><span class="modifiers">private final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="util/JVMClusterUtil.RegionServerThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.RegionServerThread</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-57">regionThreads</a></span></div>
</section>
</li>
<li>
<section class="detail" id="DEFAULT_NO">
<h3>DEFAULT_NO</h3>
<div class="member-signature"><span class="modifiers">private static final</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-59">DEFAULT_NO</a></span></div>
<dl class="notes">
<dt>See Also:</dt>
<dd>
<ul class="see-list">
<li><a href="../../../../constant-values.html#org.apache.hadoop.hbase.LocalHBaseCluster.DEFAULT_NO">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="LOCAL">
<h3>LOCAL</h3>
<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-61">LOCAL</a></span></div>
<div class="block">local mode</div>
<dl class="notes">
<dt>See Also:</dt>
<dd>
<ul class="see-list">
<li><a href="../../../../constant-values.html#org.apache.hadoop.hbase.LocalHBaseCluster.LOCAL">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="LOCAL_COLON">
<h3>LOCAL_COLON</h3>
<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-63">LOCAL_COLON</a></span></div>
<div class="block">'local:'</div>
<dl class="notes">
<dt>See Also:</dt>
<dd>
<ul class="see-list">
<li><a href="../../../../constant-values.html#org.apache.hadoop.hbase.LocalHBaseCluster.LOCAL_COLON">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="ASSIGN_RANDOM_PORTS">
<h3>ASSIGN_RANDOM_PORTS</h3>
<div class="member-signature"><span class="modifiers">public static final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-64">ASSIGN_RANDOM_PORTS</a></span></div>
<dl class="notes">
<dt>See Also:</dt>
<dd>
<ul class="see-list">
<li><a href="../../../../constant-values.html#org.apache.hadoop.hbase.LocalHBaseCluster.ASSIGN_RANDOM_PORTS">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="conf">
<h3>conf</h3>
<div class="member-signature"><span class="modifiers">private final</span>&nbsp;<span class="return-type">org.apache.hadoop.conf.Configuration</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-66">conf</a></span></div>
</section>
</li>
<li>
<section class="detail" id="masterClass">
<h3>masterClass</h3>
<div class="member-signature"><span class="modifiers">private final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends <a href="master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-67">masterClass</a></span></div>
</section>
</li>
<li>
<section class="detail" id="regionServerClass">
<h3>regionServerClass</h3>
<div class="member-signature"><span class="modifiers">private final</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends <a href="regionserver/HRegionServer.html" title="class in org.apache.hadoop.hbase.regionserver">HRegionServer</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-68">regionServerClass</a></span></div>
</section>
</li>
</ul>
</section>
</li>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<li>
<section class="constructor-details" id="constructor-detail">
<h2>Constructor Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="&lt;init&gt;(org.apache.hadoop.conf.Configuration)">
<h3>LocalHBaseCluster</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-73">LocalHBaseCluster</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration&nbsp;conf)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<div class="block">Constructor.</div>
<dl class="notes">
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(org.apache.hadoop.conf.Configuration,int)">
<h3>LocalHBaseCluster</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-82">LocalHBaseCluster</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration&nbsp;conf,
int&nbsp;noRegionServers)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<div class="block">Constructor.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>conf</code> - Configuration to use. Post construction has the master's address.</dd>
<dd><code>noRegionServers</code> - Count of regionservers to start.</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(org.apache.hadoop.conf.Configuration,int,int)">
<h3>LocalHBaseCluster</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-93">LocalHBaseCluster</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration&nbsp;conf,
int&nbsp;noMasters,
int&nbsp;noRegionServers)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<div class="block">Constructor.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>conf</code> - Configuration to use. Post construction has the active master address.</dd>
<dd><code>noMasters</code> - Count of masters to start.</dd>
<dd><code>noRegionServers</code> - Count of regionservers to start.</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(org.apache.hadoop.conf.Configuration,int,int,java.lang.Class,java.lang.Class)">
<h3>LocalHBaseCluster</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-111">LocalHBaseCluster</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration&nbsp;conf,
int&nbsp;noMasters,
int&nbsp;noRegionServers,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends <a href="master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a>&gt;&nbsp;masterClass,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends <a href="regionserver/HRegionServer.html" title="class in org.apache.hadoop.hbase.regionserver">HRegionServer</a>&gt;&nbsp;regionServerClass)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<dl class="notes">
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(org.apache.hadoop.conf.Configuration,int,int,int,java.lang.Class,java.lang.Class)">
<h3>LocalHBaseCluster</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-123">LocalHBaseCluster</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration&nbsp;conf,
int&nbsp;noMasters,
int&nbsp;noAlwaysStandByMasters,
int&nbsp;noRegionServers,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends <a href="master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a>&gt;&nbsp;masterClass,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends <a href="regionserver/HRegionServer.html" title="class in org.apache.hadoop.hbase.regionserver">HRegionServer</a>&gt;&nbsp;regionServerClass)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<div class="block">Constructor.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>conf</code> - Configuration to use. Post construction has the master's address.</dd>
<dd><code>noMasters</code> - Count of masters to start.</dd>
<dd><code>noRegionServers</code> - Count of regionservers to start.</dd>
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="getRegionServerImplementation(org.apache.hadoop.conf.Configuration)">
<h3>getRegionServerImplementation</h3>
<div class="member-signature"><span class="modifiers">private static</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends <a href="regionserver/HRegionServer.html" title="class in org.apache.hadoop.hbase.regionserver">HRegionServer</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-99">getRegionServerImplementation</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration&nbsp;conf)</span></div>
</section>
</li>
<li>
<section class="detail" id="getMasterImplementation(org.apache.hadoop.conf.Configuration)">
<h3>getMasterImplementation</h3>
<div class="member-signature"><span class="modifiers">private static</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a>&lt;? extends <a href="master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-106">getMasterImplementation</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration&nbsp;conf)</span></div>
</section>
</li>
<li>
<section class="detail" id="addRegionServer()">
<h3>addRegionServer</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="util/JVMClusterUtil.RegionServerThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.RegionServerThread</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-187">addRegionServer</a></span>()
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<dl class="notes">
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="addRegionServer(org.apache.hadoop.conf.Configuration,int)">
<h3>addRegionServer</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="util/JVMClusterUtil.RegionServerThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.RegionServerThread</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-191">addRegionServer</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration&nbsp;config,
int&nbsp;index)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<dl class="notes">
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="addRegionServer(org.apache.hadoop.conf.Configuration,int,org.apache.hadoop.hbase.security.User)">
<h3>addRegionServer</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="util/JVMClusterUtil.RegionServerThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.RegionServerThread</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-205">addRegionServer</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration&nbsp;config,
int&nbsp;index,
<a href="security/User.html" title="class in org.apache.hadoop.hbase.security">User</a>&nbsp;user)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a>,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/InterruptedException.html" title="class or interface in java.lang" class="external-link">InterruptedException</a></span></div>
<dl class="notes">
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/InterruptedException.html" title="class or interface in java.lang" class="external-link">InterruptedException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="addMaster()">
<h3>addMaster</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="util/JVMClusterUtil.MasterThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.MasterThread</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-215">addMaster</a></span>()
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<dl class="notes">
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="addMaster(org.apache.hadoop.conf.Configuration,int)">
<h3>addMaster</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="util/JVMClusterUtil.MasterThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.MasterThread</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-219">addMaster</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration&nbsp;c,
int&nbsp;index)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<dl class="notes">
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="addMaster(org.apache.hadoop.conf.Configuration,int,org.apache.hadoop.hbase.security.User)">
<h3>addMaster</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="util/JVMClusterUtil.MasterThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.MasterThread</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-235">addMaster</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration&nbsp;c,
int&nbsp;index,
<a href="security/User.html" title="class in org.apache.hadoop.hbase.security">User</a>&nbsp;user)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a>,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/InterruptedException.html" title="class or interface in java.lang" class="external-link">InterruptedException</a></span></div>
<dl class="notes">
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/InterruptedException.html" title="class or interface in java.lang" class="external-link">InterruptedException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getRegionServer(int)">
<h3>getRegionServer</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="regionserver/HRegionServer.html" title="class in org.apache.hadoop.hbase.regionserver">HRegionServer</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-246">getRegionServer</a></span><wbr><span class="parameters">(int&nbsp;serverNumber)</span></div>
<div class="block">Returns region server</div>
</section>
</li>
<li>
<section class="detail" id="getRegionServers()">
<h3>getRegionServers</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="util/JVMClusterUtil.RegionServerThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.RegionServerThread</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-251">getRegionServers</a></span>()</div>
<div class="block">Returns Read-only list of region server threads.</div>
</section>
</li>
<li>
<section class="detail" id="getLiveRegionServers()">
<h3>getLiveRegionServers</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="util/JVMClusterUtil.RegionServerThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.RegionServerThread</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-259">getLiveRegionServers</a></span>()</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>List of running servers (Some servers may have been killed or aborted during lifetime
of cluster; these servers are not included in this list).</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getConfiguration()">
<h3>getConfiguration</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">org.apache.hadoop.conf.Configuration</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-270">getConfiguration</a></span>()</div>
<div class="block">Returns the Configuration used by this LocalHBaseCluster</div>
</section>
</li>
<li>
<section class="detail" id="waitOnRegionServer(int)">
<h3>waitOnRegionServer</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-278">waitOnRegionServer</a></span><wbr><span class="parameters">(int&nbsp;serverNumber)</span></div>
<div class="block">Wait for the specified region server to stop. Removes this thread from list of running threads.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>Name of region server that just went down.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="waitOnRegionServer(org.apache.hadoop.hbase.util.JVMClusterUtil.RegionServerThread)">
<h3>waitOnRegionServer</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-287">waitOnRegionServer</a></span><wbr><span class="parameters">(<a href="util/JVMClusterUtil.RegionServerThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.RegionServerThread</a>&nbsp;rst)</span></div>
<div class="block">Wait for the specified region server to stop. Removes this thread from list of running threads.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>Name of region server that just went down.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getMaster(int)">
<h3>getMaster</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-306">getMaster</a></span><wbr><span class="parameters">(int&nbsp;serverNumber)</span></div>
<div class="block">Returns the HMaster thread</div>
</section>
</li>
<li>
<section class="detail" id="getActiveMaster()">
<h3>getActiveMaster</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="master/HMaster.html" title="class in org.apache.hadoop.hbase.master">HMaster</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-314">getActiveMaster</a></span>()</div>
<div class="block">Gets the current active master, if available. If no active master, returns null.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>the HMaster for the active master</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getMasters()">
<h3>getMasters</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="util/JVMClusterUtil.MasterThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.MasterThread</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-326">getMasters</a></span>()</div>
<div class="block">Returns Read-only list of master threads.</div>
</section>
</li>
<li>
<section class="detail" id="getLiveMasters()">
<h3>getLiveMasters</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="util/JVMClusterUtil.MasterThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.MasterThread</a>&gt;</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-334">getLiveMasters</a></span>()</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>List of running master servers (Some servers may have been killed or aborted during
lifetime of cluster; these servers are not included in this list).</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="waitOnMaster(int)">
<h3>waitOnMaster</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-349">waitOnMaster</a></span><wbr><span class="parameters">(int&nbsp;serverNumber)</span></div>
<div class="block">Wait for the specified master to stop. Removes this thread from list of running threads.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>Name of master that just went down.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="waitOnMaster(org.apache.hadoop.hbase.util.JVMClusterUtil.MasterThread)">
<h3>waitOnMaster</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-358">waitOnMaster</a></span><wbr><span class="parameters">(<a href="util/JVMClusterUtil.MasterThread.html" title="class in org.apache.hadoop.hbase.util">JVMClusterUtil.MasterThread</a>&nbsp;masterThread)</span></div>
<div class="block">Wait for the specified master to stop. Removes this thread from list of running threads.</div>
<dl class="notes">
<dt>Returns:</dt>
<dd>Name of master that just went down.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="join()">
<h3>join</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-380">join</a></span>()</div>
<div class="block">Wait for Mini HBase Cluster to shut down. Presumes you've already called <a href="#shutdown()"><code>shutdown()</code></a>.</div>
</section>
</li>
<li>
<section class="detail" id="startup()">
<h3>startup</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-408">startup</a></span>()
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<div class="block">Start the cluster.</div>
<dl class="notes">
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="shutdown()">
<h3>shutdown</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-415">shutdown</a></span>()</div>
<div class="block">Shut down the mini HBase cluster</div>
</section>
</li>
<li>
<section class="detail" id="isLocal(org.apache.hadoop.conf.Configuration)">
<h3>isLocal</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-423">isLocal</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration&nbsp;c)</span></div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>c</code> - Configuration to check.</dd>
<dt>Returns:</dt>
<dd>True if a 'local' address in hbase.master value.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="main(java.lang.String[])">
<h3>main</h3>
<div class="member-signature"><span class="modifiers">public static</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/LocalHBaseCluster.html#line-432">main</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>[]&nbsp;args)</span>
throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div>
<div class="block">Test things basically work.</div>
<dl class="notes">
<dt>Throws:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd>
</dl>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
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