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<div class="subTitle">org.apache.hadoop.hbase.zookeeper</div>
<h2 title="Class MiniZooKeeperCluster" class="title">Class MiniZooKeeperCluster</h2>
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<pre>@InterfaceAudience.Public
public class <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#line.53">MiniZooKeeperCluster</a>
extends <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></pre>
<div class="block">TODO: Most of the code in this class is ripped from ZooKeeper tests. Instead
of redoing it, we should contribute updates to their code which let us more
easily access testing helper objects.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#HOST">HOST</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#LOOPBACK_HOST">LOOPBACK_HOST</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#MiniZooKeeperCluster--">MiniZooKeeperCluster</a></span>()</code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#MiniZooKeeperCluster-org.apache.hadoop.conf.Configuration-">MiniZooKeeperCluster</a></span>(org.apache.hadoop.conf.Configuration&nbsp;configuration)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#addClientPort-int-">addClientPort</a></span>(int&nbsp;clientPort)</code>
<div class="block">Add a client port to the list.</div>
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<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/net/Address.html" title="class in org.apache.hadoop.hbase.net">Address</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#getAddress--">getAddress</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#getBackupZooKeeperServerNum--">getBackupZooKeeperServerNum</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#getClientPort--">getClientPort</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#getZooKeeperServerNum--">getZooKeeperServerNum</a></span>()</code>&nbsp;</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#killCurrentActiveZooKeeperServer--">killCurrentActiveZooKeeperServer</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#killOneBackupZooKeeperServer--">killOneBackupZooKeeperServer</a></span>()</code>
<div class="block">Kill one back up ZK servers.</div>
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<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#setDefaultClientPort-int-">setDefaultClientPort</a></span>(int&nbsp;clientPort)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#setTickTime-int-">setTickTime</a></span>(int&nbsp;tickTime)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#shutdown--">shutdown</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>int</code></td>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#startup-java.io.File-int-">startup</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;baseDir,
int&nbsp;numZooKeeperServers)</code>&nbsp;</td>
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<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#toString--" title="class or interface in java.lang">toString</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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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#line.60">LOOPBACK_HOST</a></pre>
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<pre>public static final&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#line.61">HOST</a></pre>
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<pre>public&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#line.79">MiniZooKeeperCluster</a>()</pre>
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<pre>public&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#line.83">MiniZooKeeperCluster</a>(org.apache.hadoop.conf.Configuration&nbsp;configuration)</pre>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#line.99">addClientPort</a>(int&nbsp;clientPort)</pre>
<div class="block">Add a client port to the list.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>clientPort</code> - the specified port</dd>
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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>
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<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>
<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>
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<pre>public&nbsp;int&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#line.203">startup</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a>&nbsp;baseDir,
int&nbsp;numZooKeeperServers)
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>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>baseDir</code> - the base directory to use</dd>
<dd><code>numZooKeeperServers</code> - the number of ZooKeeper servers</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>ClientPort server bound to, -1 if there was a binding problem and we couldn't pick
another port.</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> - if an operation fails during the startup</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> - if the startup fails</dd>
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<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#line.324">shutdown</a>()
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>
<dl>
<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> - if waiting for the shutdown of a server fails</dd>
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<pre>public&nbsp;int&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#line.357">killCurrentActiveZooKeeperServer</a>()
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>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>clientPort return clientPort if there is another ZK backup can run
when killing the current active; return -1, if there is no backups.</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> - if waiting for the shutdown of a server fails</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>
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<h4>killOneBackupZooKeeperServer</h4>
<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#line.395">killOneBackupZooKeeperServer</a>()
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">Kill one back up ZK servers.</div>
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<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> - if waiting for the shutdown of a server fails</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>
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<pre>public&nbsp;int&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#line.473">getClientPort</a>()</pre>
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<h4>getAddress</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/hadoop/hbase/net/Address.html" title="class in org.apache.hadoop.hbase.net">Address</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/MiniZooKeeperCluster.html#line.481">getAddress</a>()</pre>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>Address for this cluster instance.</dd>
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