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Subject [15/51] [partial] hbase-site git commit: Published site at .
Date Sat, 18 Nov 2017 15:18:12 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/48aaec11/devapidocs/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html
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+<li><a href="../../../../../overview-summary.html">Overview</a></li>
+<li><a href="package-summary.html">Package</a></li>
+<li class="navBarCell1Rev">Class</li>
+<li><a href="class-use/ZKWatcher.html">Use</a></li>
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+<li><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.ZKUtilOp.SetData.html" title="class in org.apache.hadoop.hbase.zookeeper"><span class="typeNameLink">Prev&nbsp;Class</span></a></li>
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+</ul>
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+<div>
+<ul class="subNavList">
+<li>Summary:&nbsp;</li>
+<li>Nested&nbsp;|&nbsp;</li>
+<li><a href="#field.summary">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor.summary">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method.summary">Method</a></li>
+</ul>
+<ul class="subNavList">
+<li>Detail:&nbsp;</li>
+<li><a href="#field.detail">Field</a>&nbsp;|&nbsp;</li>
+<li><a href="#constructor.detail">Constr</a>&nbsp;|&nbsp;</li>
+<li><a href="#method.detail">Method</a></li>
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+<!--   -->
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+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">org.apache.hadoop.hbase.zookeeper</div>
+<h2 title="Class ZKWatcher" class="title">Class ZKWatcher</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
+<li>
+<ul class="inheritance">
+<li>org.apache.hadoop.hbase.zookeeper.ZKWatcher</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<dl>
+<dt>All Implemented Interfaces:</dt>
+<dd><a href="http://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a>, <a href="../../../../../org/apache/hadoop/hbase/Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a>, org.apache.zookeeper.Watcher</dd>
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+<pre>@InterfaceAudience.Private
+public class <a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.60">ZKWatcher</a>
+extends <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
+implements org.apache.zookeeper.Watcher, <a href="../../../../../org/apache/hadoop/hbase/Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a>, <a href="http://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a></pre>
+<div class="block">Acts as the single ZooKeeper Watcher.  One instance of this is instantiated
+ for each Master, RegionServer, and client process.
+
+ <p>This is the only class that implements <code>Watcher</code>.  Other internal
+ classes which need to be notified of ZooKeeper events must register with
+ the local instance of this watcher via <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#registerListener-org.apache.hadoop.hbase.zookeeper.ZKListener-"><code>registerListener(org.apache.hadoop.hbase.zookeeper.ZKListener)</code></a>.
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+ <p>This class also holds and manages the connection to ZooKeeper.  Code to
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+</a>
+<h3>Nested classes/interfaces inherited from interface&nbsp;org.apache.zookeeper.Watcher</h3>
+<code>org.apache.zookeeper.Watcher.Event</code></li>
+</ul>
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+</a>
+<h3>Field Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation">
+<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Field and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#abortable">abortable</a></span></code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>private boolean</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#aborted">aborted</a></span></code>&nbsp;</td>
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+<td class="colFirst"><code>private org.apache.hadoop.conf.Configuration</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#conf">conf</a></span></code>&nbsp;</td>
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+<td class="colFirst"><code>private <a href="http://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/ZKWatcher.html#identifier">identifier</a></span></code>&nbsp;</td>
+</tr>
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+<td class="colFirst"><code>private <a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKListener.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKListener</a>&gt;</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#listeners">listeners</a></span></code>&nbsp;</td>
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+<td class="colFirst"><code>private static org.apache.commons.logging.Log</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#LOG">LOG</a></span></code>&nbsp;</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>private static <a href="http://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html?is-external=true" title="class or interface in java.util.regex">Pattern</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#NAME_PATTERN">NAME_PATTERN</a></span></code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>private <a href="http://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/ZKWatcher.html#prefix">prefix</a></span></code>&nbsp;</td>
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+<td class="colFirst"><code>private <a href="http://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/ZKWatcher.html#quorum">quorum</a></span></code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/zookeeper/RecoverableZooKeeper.html" title="class in org.apache.hadoop.hbase.zookeeper">RecoverableZooKeeper</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#recoverableZooKeeper">recoverableZooKeeper</a></span></code>&nbsp;</td>
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+<tr class="altColor">
+<td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CountDownLatch.html?is-external=true" title="class or interface in java.util.concurrent">CountDownLatch</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#saslLatch">saslLatch</a></span></code>&nbsp;</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZNodePaths.html" title="class in org.apache.hadoop.hbase.zookeeper">ZNodePaths</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#znodePaths">znodePaths</a></span></code>&nbsp;</td>
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+</a>
+<h3>Constructor Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#ZKWatcher-org.apache.hadoop.conf.Configuration-java.lang.String-org.apache.hadoop.hbase.Abortable-">ZKWatcher</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
+         <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;identifier,
+         <a href="../../../../../org/apache/hadoop/hbase/Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a>&nbsp;abortable)</code>
+<div class="block">Instantiate a ZooKeeper connection and watcher.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#ZKWatcher-org.apache.hadoop.conf.Configuration-java.lang.String-org.apache.hadoop.hbase.Abortable-boolean-">ZKWatcher</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
+         <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;identifier,
+         <a href="../../../../../org/apache/hadoop/hbase/Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a>&nbsp;abortable,
+         boolean&nbsp;canCreateBaseZNode)</code>
+<div class="block">Instantiate a ZooKeeper connection and watcher.</div>
+</td>
+</tr>
+</table>
+</li>
+</ul>
+<!-- ========== METHOD SUMMARY =========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method.summary">
+<!--   -->
+</a>
+<h3>Method Summary</h3>
+<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr id="i0" class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#abort-java.lang.String-java.lang.Throwable-">abort</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;why,
+     <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>&nbsp;e)</code>
+<div class="block">Abort the server or client.</div>
+</td>
+</tr>
+<tr id="i1" class="rowColor">
+<td class="colFirst"><code>private boolean</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#checkACLForSuperUsers-java.lang.String:A-java.util.List-">checkACLForSuperUsers</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;superUsers,
+                     <a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;org.apache.zookeeper.data.ACL&gt;&nbsp;acls)</code>&nbsp;</td>
+</tr>
+<tr id="i2" class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#checkAndSetZNodeAcls--">checkAndSetZNodeAcls</a></span>()</code>
+<div class="block">On master start, we check the znode ACLs under the root directory and set the ACLs properly
+ if needed.</div>
+</td>
+</tr>
+<tr id="i3" class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#close--">close</a></span>()</code>
+<div class="block">Close the connection to ZooKeeper.</div>
+</td>
+</tr>
+<tr id="i4" class="altColor">
+<td class="colFirst"><code>private void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#connectionEvent-org.apache.zookeeper.WatchedEvent-">connectionEvent</a></span>(org.apache.zookeeper.WatchedEvent&nbsp;event)</code>
+<div class="block">Called when there is a connection-related event via the Watcher callback.</div>
+</td>
+</tr>
+<tr id="i5" class="rowColor">
+<td class="colFirst"><code>private void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#createBaseZNodes--">createBaseZNodes</a></span>()</code>&nbsp;</td>
+</tr>
+<tr id="i6" class="altColor">
+<td class="colFirst"><code>org.apache.hadoop.conf.Configuration</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#getConfiguration--">getConfiguration</a></span>()</code>&nbsp;</td>
+</tr>
+<tr id="i7" class="rowColor">
+<td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKListener.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKListener</a>&gt;</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#getListeners--">getListeners</a></span>()</code>
+<div class="block">Get a copy of current registered listeners</div>
+</td>
+</tr>
+<tr id="i8" class="altColor">
+<td class="colFirst"><code><a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#getMetaReplicaNodes--">getMetaReplicaNodes</a></span>()</code>
+<div class="block">Get the znodes corresponding to the meta replicas from ZK</div>
+</td>
+</tr>
+<tr id="i9" class="rowColor">
+<td class="colFirst"><code>int</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#getNumberOfListeners--">getNumberOfListeners</a></span>()</code>&nbsp;</td>
+</tr>
+<tr id="i10" class="altColor">
+<td class="colFirst"><code><a href="http://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/ZKWatcher.html#getQuorum--">getQuorum</a></span>()</code>
+<div class="block">Get the quorum address of this instance.</div>
+</td>
+</tr>
+<tr id="i11" class="rowColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/zookeeper/RecoverableZooKeeper.html" title="class in org.apache.hadoop.hbase.zookeeper">RecoverableZooKeeper</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#getRecoverableZooKeeper--">getRecoverableZooKeeper</a></span>()</code>
+<div class="block">Get the connection to ZooKeeper.</div>
+</td>
+</tr>
+<tr id="i12" class="altColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZNodePaths.html" title="class in org.apache.hadoop.hbase.zookeeper">ZNodePaths</a></code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#getZNodePaths--">getZNodePaths</a></span>()</code>
+<div class="block">Get the znodePaths.</div>
+</td>
+</tr>
+<tr id="i13" class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#interruptedException-java.lang.InterruptedException-">interruptedException</a></span>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a>&nbsp;ie)</code>
+<div class="block">Handles InterruptedExceptions in client calls.</div>
+</td>
+</tr>
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+<td class="colFirst"><code>void</code></td>
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+                             throws <a href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
+<div class="block">Checks whether the ACLs returned from the base znode (/hbase) is set for secure setup.</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>acls</code> - acls from zookeeper</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>whether ACLs are set for the base znode</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
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+                                    org.apache.zookeeper.data.Id&nbsp;id)</pre>
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+<dl>
+<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a></code>&nbsp;in class&nbsp;<code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
+</dl>
+</li>
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+<h4>prefix</h4>
+<pre>public&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.360">prefix</a>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;str)</pre>
+<div class="block">Adds this instance's identifier as a prefix to the passed <code>str</code></div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>str</code> - String to amend.</dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>A new string with this instance's identifier as prefix: e.g.
+ if passed 'hello world', the returned string could be</dd>
+</dl>
+</li>
+</ul>
+<a name="getMetaReplicaNodes--">
+<!--   -->
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+<ul class="blockList">
+<li class="blockList">
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+<pre>public&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&gt;&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.369">getMetaReplicaNodes</a>()
+                                 throws org.apache.zookeeper.KeeperException</pre>
+<div class="block">Get the znodes corresponding to the meta replicas from ZK</div>
+<dl>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>list of znodes</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code>org.apache.zookeeper.KeeperException</code></dd>
+</dl>
+</li>
+</ul>
+<a name="registerListener-org.apache.hadoop.hbase.zookeeper.ZKListener-">
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+<div class="block">Register the specified listener to receive ZooKeeper events.</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>listener</code> - </dd>
+</dl>
+</li>
+</ul>
+<a name="registerListenerFirst-org.apache.hadoop.hbase.zookeeper.ZKListener-">
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+<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.394">registerListenerFirst</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKListener.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKListener</a>&nbsp;listener)</pre>
+<div class="block">Register the specified listener to receive ZooKeeper events and add it as
+ the first in the list of current listeners.</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>listener</code> - </dd>
+</dl>
+</li>
+</ul>
+<a name="unregisterListener-org.apache.hadoop.hbase.zookeeper.ZKListener-">
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+<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.398">unregisterListener</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKListener.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKListener</a>&nbsp;listener)</pre>
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+<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.405">unregisterAllListeners</a>()</pre>
+<div class="block">Clean all existing listeners</div>
+</li>
+</ul>
+<a name="getListeners--">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getListeners</h4>
+<pre>public&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKListener.html" title="class in org.apache.hadoop.hbase.zookeeper">ZKListener</a>&gt;&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.412">getListeners</a>()</pre>
+<div class="block">Get a copy of current registered listeners</div>
+</li>
+</ul>
+<a name="getNumberOfListeners--">
+<!--   -->
+</a>
+<ul class="blockList">
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+<h4>getNumberOfListeners</h4>
+<pre>public&nbsp;int&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.419">getNumberOfListeners</a>()</pre>
+<dl>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>The number of currently registered listeners</dd>
+</dl>
+</li>
+</ul>
+<a name="getRecoverableZooKeeper--">
+<!--   -->
+</a>
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+<h4>getRecoverableZooKeeper</h4>
+<pre>public&nbsp;<a href="../../../../../org/apache/hadoop/hbase/zookeeper/RecoverableZooKeeper.html" title="class in org.apache.hadoop.hbase.zookeeper">RecoverableZooKeeper</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.427">getRecoverableZooKeeper</a>()</pre>
+<div class="block">Get the connection to ZooKeeper.</div>
+<dl>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>connection reference to zookeeper</dd>
+</dl>
+</li>
+</ul>
+<a name="reconnectAfterExpiration--">
+<!--   -->
+</a>
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+<h4>reconnectAfterExpiration</h4>
+<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.431">reconnectAfterExpiration</a>()
+                              throws <a href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
+                                     org.apache.zookeeper.KeeperException,
+                                     <a href="http://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="throwsLabel">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
+<dd><code>org.apache.zookeeper.KeeperException</code></dd>
+<dd><code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd>
+</dl>
+</li>
+</ul>
+<a name="getQuorum--">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getQuorum</h4>
+<pre>public&nbsp;<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.439">getQuorum</a>()</pre>
+<div class="block">Get the quorum address of this instance.</div>
+<dl>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>quorum string of this zookeeper connection instance</dd>
+</dl>
+</li>
+</ul>
+<a name="getZNodePaths--">
+<!--   -->
+</a>
+<ul class="blockList">
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+<h4>getZNodePaths</h4>
+<pre>public&nbsp;<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZNodePaths.html" title="class in org.apache.hadoop.hbase.zookeeper">ZNodePaths</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.448">getZNodePaths</a>()</pre>
+<div class="block">Get the znodePaths.
+ <p>
+ Mainly used for mocking as mockito can not mock a field access.</div>
+</li>
+</ul>
+<a name="process-org.apache.zookeeper.WatchedEvent-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>process</h4>
+<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.459">process</a>(org.apache.zookeeper.WatchedEvent&nbsp;event)</pre>
+<div class="block">Method called from ZooKeeper for events and connection status.
+ <p>
+ Valid events are passed along to listeners.  Connection status changes
+ are dealt with locally.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code>process</code>&nbsp;in interface&nbsp;<code>org.apache.zookeeper.Watcher</code></dd>
+</dl>
+</li>
+</ul>
+<a name="connectionEvent-org.apache.zookeeper.WatchedEvent-">
+<!--   -->
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+<h4>connectionEvent</h4>
+<pre>private&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.517">connectionEvent</a>(org.apache.zookeeper.WatchedEvent&nbsp;event)</pre>
+<div class="block">Called when there is a connection-related event via the Watcher callback.
+ <p>
+ If Disconnected or Expired, this should shutdown the cluster. But, since
+ we send a KeeperException.SessionExpiredException along with the abort
+ call, it's possible for the Abortable to catch it and try to create a new
+ session with ZooKeeper. This is what the client does in HCM.
+ <p></div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>event</code> - </dd>
+</dl>
+</li>
+</ul>
+<a name="sync-java.lang.String-">
+<!--   -->
+</a>
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+<h4>sync</h4>
+<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.563">sync</a>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;path)
+          throws org.apache.zookeeper.KeeperException</pre>
+<div class="block">Forces a synchronization of this ZooKeeper client connection.
+ <p>
+ Executing this method before running other methods will ensure that the
+ subsequent operations are up-to-date and consistent as of the time that
+ the sync is complete.
+ <p>
+ This is used for compareAndSwap type operations where we need to read the
+ data of an existing node and delete or transition that node, utilizing the
+ previously read version and data.  We want to ensure that the version read
+ is up-to-date from when we begin the operation.</div>
+<dl>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code>org.apache.zookeeper.KeeperException</code></dd>
+</dl>
+</li>
+</ul>
+<a name="keeperException-org.apache.zookeeper.KeeperException-">
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+<h4>keeperException</h4>
+<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.577">keeperException</a>(org.apache.zookeeper.KeeperException&nbsp;ke)
+                     throws org.apache.zookeeper.KeeperException</pre>
+<div class="block">Handles KeeperExceptions in client calls.
+ <p>
+ This may be temporary but for now this gives one place to deal with these.
+ <p>
+ TODO: Currently this method rethrows the exception to let the caller handle
+ <p></div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>ke</code> - </dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code>org.apache.zookeeper.KeeperException</code></dd>
+</dl>
+</li>
+</ul>
+<a name="interruptedException-java.lang.InterruptedException-">
+<!--   -->
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+<h4>interruptedException</h4>
+<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.588">interruptedException</a>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a>&nbsp;ie)
+                          throws org.apache.zookeeper.KeeperException</pre>
+<div class="block">Handles InterruptedExceptions in client calls.</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>ie</code> - the InterruptedException instance thrown</dd>
+<dt><span class="throwsLabel">Throws:</span></dt>
+<dd><code>org.apache.zookeeper.KeeperException</code> - the exception to throw, transformed from the InterruptedException</dd>
+</dl>
+</li>
+</ul>
+<a name="interruptedExceptionNoThrow-java.lang.InterruptedException-boolean-">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>interruptedExceptionNoThrow</h4>
+<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.599">interruptedExceptionNoThrow</a>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a>&nbsp;ie,
+                                        boolean&nbsp;throwLater)</pre>
+<div class="block">Log the InterruptedException and interrupt current thread</div>
+<dl>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>ie</code> - The IterruptedException to log</dd>
+<dd><code>throwLater</code> - Whether we will throw the exception latter</dd>
+</dl>
+</li>
+</ul>
+<a name="close--">
+<!--   -->
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+<ul class="blockList">
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+<h4>close</h4>
+<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.612">close</a>()</pre>
+<div class="block">Close the connection to ZooKeeper.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true#close--" title="class or interface in java.io">close</a></code>&nbsp;in interface&nbsp;<code><a href="http://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a></code></dd>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true#close--" title="class or interface in java.lang">close</a></code>&nbsp;in interface&nbsp;<code><a href="http://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a></code></dd>
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+<pre>public&nbsp;void&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/zookeeper/ZKWatcher.html#line.625">abort</a>(<a href="http://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;why,
+                  <a href="http://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang">Throwable</a>&nbsp;e)</pre>
+<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/Abortable.html#abort-java.lang.String-java.lang.Throwable-">Abortable</a></code></span></div>
+<div class="block">Abort the server or client.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="../../../../../org/apache/hadoop/hbase/Abortable.html#abort-java.lang.String-java.lang.Throwable-">abort</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a></code></dd>
+<dt><span class="paramLabel">Parameters:</span></dt>
+<dd><code>why</code> - Why we're aborting.</dd>
+<dd><code>e</code> - Throwable that caused abort. Can be null.</dd>
+</dl>
+</li>
+</ul>
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+<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/Abortable.html#isAborted--">Abortable</a></code></span></div>
+<div class="block">Check if the server or client was aborted.</div>
+<dl>
+<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
+<dd><code><a href="../../../../../org/apache/hadoop/hbase/Abortable.html#isAborted--">isAborted</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a></code></dd>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>true if the server or client was aborted, false otherwise</dd>
+</dl>
+</li>
+</ul>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+</div>
+<!-- ========= END OF CLASS DATA ========= -->
+<!-- ======= START OF BOTTOM NAVBAR ====== -->
+<div class="bottomNav"><a name="navbar.bottom">
+<!--   -->
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+<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div>
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