Google Git
Sign in
apache / hbase-site / b6f9c9b1e30074a15d99b9846edeb24f586c9d35 / . / testdevapidocs / org / apache / hadoop / hbase / ChaosZKClient.html
blob: d53deacb7542fb4c98c94294e2deda9102d14c43 [file] [log] [blame]
<!DOCTYPE HTML>
<html lang="en">
<head>
<!-- Generated by javadoc (17) -->
<title>ChaosZKClient (Apache HBase 4.0.0-alpha-1-SNAPSHOT Test API)</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="description" content="declaration: package: org.apache.hadoop.hbase, class: ChaosZKClient">
<meta name="generator" content="javadoc/ClassWriterImpl">
<link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style">
<link rel="stylesheet" type="text/css" href="../../../../script-dir/jquery-ui.min.css" title="Style">
<link rel="stylesheet" type="text/css" href="../../../../jquery-ui.overrides.css" title="Style">
<script type="text/javascript" src="../../../../script.js"></script>
<script type="text/javascript" src="../../../../script-dir/jquery-3.6.1.min.js"></script>
<script type="text/javascript" src="../../../../script-dir/jquery-ui.min.js"></script>
</head>
<body class="class-declaration-page">
<script type="text/javascript">var evenRowColor = "even-row-color";
var oddRowColor = "odd-row-color";
var tableTab = "table-tab";
var activeTableTab = "active-table-tab";
var pathtoroot = "../../../../";
loadScripts(document, 'script');</script>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
<div class="flex-box">
<header role="banner" class="flex-header">
<nav role="navigation">
<!-- ========= START OF TOP NAVBAR ======= -->
<div class="top-nav" id="navbar-top">
<div class="skip-nav"><a href="#skip-navbar-top" title="Skip navigation links">Skip navigation links</a></div>
<ul id="navbar-top-firstrow" class="nav-list" title="Navigation">
<li><a href="../../../../index.html">Overview</a></li>
<li><a href="package-summary.html">Package</a></li>
<li class="nav-bar-cell1-rev">Class</li>
<li><a href="class-use/ChaosZKClient.html">Use</a></li>
<li><a href="package-tree.html">Tree</a></li>
<li><a href="../../../../deprecated-list.html">Deprecated</a></li>
<li><a href="../../../../index-all.html">Index</a></li>
<li><a href="../../../../help-doc.html#class">Help</a></li>
</ul>
</div>
<div class="sub-nav">
<div>
<ul class="sub-nav-list">
<li>Summary:&nbsp;</li>
<li><a href="#nested-class-summary">Nested</a>&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="sub-nav-list">
<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>
</ul>
</div>
<div class="nav-list-search"><label for="search-input">SEARCH:</label>
<input type="text" id="search-input" value="search" disabled="disabled">
<input type="reset" id="reset-button" value="reset" disabled="disabled">
</div>
</div>
<!-- ========= END OF TOP NAVBAR ========= -->
<span class="skip-nav" id="skip-navbar-top"></span></nav>
</header>
<div class="flex-content">
<main role="main">
<!-- ======== START OF CLASS DATA ======== -->
<div class="header">
<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 ChaosZKClient" class="title">Class ChaosZKClient</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.ChaosZKClient</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/ChaosZKClient.html#line-35">ChaosZKClient</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>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ======== NESTED CLASS SUMMARY ======== -->
<li>
<section class="nested-class-summary" id="nested-class-summary">
<h2>Nested Class Summary</h2>
<div class="caption"><span>Nested Classes</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">Class</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>(package private) static class&nbsp;</code></div>
<div class="col-second even-row-color"><code><a href="ChaosZKClient.TaskObject.html" class="type-name-link" title="class in org.apache.hadoop.hbase">ChaosZKClient.TaskObject</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
</div>
</section>
</li>
<!-- =========== 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>private 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="#CHAOS_AGENT_PARENT_ZNODE" class="member-name-link">CHAOS_AGENT_PARENT_ZNODE</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>private 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="#CHAOS_AGENT_STATUS_ZNODE" class="member-name-link">CHAOS_AGENT_STATUS_ZNODE</a></code></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-first even-row-color"><code>private 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="#CONNECTION_LOSS" class="member-name-link">CONNECTION_LOSS</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>(package private) org.apache.zookeeper.AsyncCallback.DataCallback</code></div>
<div class="col-second odd-row-color"><code><a href="#getStatusCallback" class="member-name-link">getStatusCallback</a></code></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-first even-row-color"><code>private static final org.slf4j.Logger</code></div>
<div class="col-second even-row-color"><code><a href="#LOG" class="member-name-link">LOG</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/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="#quorum" class="member-name-link">quorum</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="#SESSION_TIMEOUT_ZK" class="member-name-link">SESSION_TIMEOUT_ZK</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>(package private) org.apache.zookeeper.AsyncCallback.StatCallback</code></div>
<div class="col-second odd-row-color"><code><a href="#setStatusWatchCallback" class="member-name-link">setStatusWatchCallback</a></code></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-first even-row-color"><code>(package private) org.apache.zookeeper.Watcher</code></div>
<div class="col-second even-row-color"><code><a href="#setStatusWatcher" class="member-name-link">setStatusWatcher</a></code></div>
<div class="col-last even-row-color">
<div class="block">Watcher to get notification whenever status of task changes.</div>
</div>
<div class="col-first odd-row-color"><code>(package private) org.apache.zookeeper.AsyncCallback.StringCallback</code></div>
<div class="col-second odd-row-color"><code><a href="#submitTaskCallback" class="member-name-link">submitTaskCallback</a></code></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-first even-row-color"><code>private 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="#TASK_BOOLEAN_FALSE" class="member-name-link">TASK_BOOLEAN_FALSE</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>private 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="#TASK_BOOLEAN_TRUE" class="member-name-link">TASK_BOOLEAN_TRUE</a></code></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-first even-row-color"><code>private 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="#TASK_COMPLETION_STRING" class="member-name-link">TASK_COMPLETION_STRING</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>private 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="#TASK_ERROR_STRING" class="member-name-link">TASK_ERROR_STRING</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="#TASK_EXECUTION_TIMEOUT" class="member-name-link">TASK_EXECUTION_TIMEOUT</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>private 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="#TASK_PREFIX" class="member-name-link">TASK_PREFIX</a></code></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-first even-row-color"><code>(package private) org.apache.zookeeper.AsyncCallback.VoidCallback</code></div>
<div class="col-second even-row-color"><code><a href="#taskDeleteCallback" class="member-name-link">taskDeleteCallback</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>private <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="#taskStatus" class="member-name-link">taskStatus</a></code></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-first even-row-color"><code>private org.apache.zookeeper.ZooKeeper</code></div>
<div class="col-second even-row-color"><code><a href="#zk" class="member-name-link">zk</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>private 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="#ZNODE_PATH_SEPARATOR" class="member-name-link">ZNODE_PATH_SEPARATOR</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(java.lang.String)" class="member-name-link">ChaosZKClient</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;quorum)</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-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>void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#createNewZKConnection()" class="member-name-link">createNewZKConnection</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Creates connection with ZooKeeper</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>private void</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#deleteTask(java.lang.String)" class="member-name-link">deleteTask</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;path)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Delete task after getting its status</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>private void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getStatus(java.lang.String,java.lang.Object)" class="member-name-link">getStatus</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;path,
<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>&nbsp;ctx)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">To get status of task submitted</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>private boolean</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isChaosAgentRunning(java.lang.String)" class="member-name-link">isChaosAgentRunning</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;hostname)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Checks if ChaosAgent is running or not on target host by checking its ZNode.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>private void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#recreateZKConnection()" class="member-name-link">recreateZKConnection</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>private void</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#setStatusWatch(java.lang.String,org.apache.hadoop.hbase.ChaosZKClient.TaskObject)" class="member-name-link">setStatusWatch</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;name,
<a href="ChaosZKClient.TaskObject.html" title="class in org.apache.hadoop.hbase">ChaosZKClient.TaskObject</a>&nbsp;taskObject)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Set a watch on task submitted</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="#submitTask(org.apache.hadoop.hbase.ChaosZKClient.TaskObject)" class="member-name-link">submitTask</a><wbr>(<a href="ChaosZKClient.TaskObject.html" title="class in org.apache.hadoop.hbase">ChaosZKClient.TaskObject</a>&nbsp;taskObject)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Creates tasks for target hosts by creating ZNodes.</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/ChaosZKClient.html#line-38">LOG</a></span></div>
</section>
</li>
<li>
<section class="detail" id="CHAOS_AGENT_PARENT_ZNODE">
<h3>CHAOS_AGENT_PARENT_ZNODE</h3>
<div class="member-signature"><span class="modifiers">private 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/ChaosZKClient.html#line-39">CHAOS_AGENT_PARENT_ZNODE</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.ChaosZKClient.CHAOS_AGENT_PARENT_ZNODE">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="CHAOS_AGENT_STATUS_ZNODE">
<h3>CHAOS_AGENT_STATUS_ZNODE</h3>
<div class="member-signature"><span class="modifiers">private 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/ChaosZKClient.html#line-40">CHAOS_AGENT_STATUS_ZNODE</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.ChaosZKClient.CHAOS_AGENT_STATUS_ZNODE">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="ZNODE_PATH_SEPARATOR">
<h3>ZNODE_PATH_SEPARATOR</h3>
<div class="member-signature"><span class="modifiers">private 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/ChaosZKClient.html#line-41">ZNODE_PATH_SEPARATOR</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.ChaosZKClient.ZNODE_PATH_SEPARATOR">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="TASK_PREFIX">
<h3>TASK_PREFIX</h3>
<div class="member-signature"><span class="modifiers">private 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/ChaosZKClient.html#line-42">TASK_PREFIX</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.ChaosZKClient.TASK_PREFIX">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="TASK_ERROR_STRING">
<h3>TASK_ERROR_STRING</h3>
<div class="member-signature"><span class="modifiers">private 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/ChaosZKClient.html#line-43">TASK_ERROR_STRING</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.ChaosZKClient.TASK_ERROR_STRING">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="TASK_COMPLETION_STRING">
<h3>TASK_COMPLETION_STRING</h3>
<div class="member-signature"><span class="modifiers">private 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/ChaosZKClient.html#line-44">TASK_COMPLETION_STRING</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.ChaosZKClient.TASK_COMPLETION_STRING">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="TASK_BOOLEAN_TRUE">
<h3>TASK_BOOLEAN_TRUE</h3>
<div class="member-signature"><span class="modifiers">private 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/ChaosZKClient.html#line-45">TASK_BOOLEAN_TRUE</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.ChaosZKClient.TASK_BOOLEAN_TRUE">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="TASK_BOOLEAN_FALSE">
<h3>TASK_BOOLEAN_FALSE</h3>
<div class="member-signature"><span class="modifiers">private 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/ChaosZKClient.html#line-46">TASK_BOOLEAN_FALSE</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.ChaosZKClient.TASK_BOOLEAN_FALSE">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="CONNECTION_LOSS">
<h3>CONNECTION_LOSS</h3>
<div class="member-signature"><span class="modifiers">private 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/ChaosZKClient.html#line-47">CONNECTION_LOSS</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.ChaosZKClient.CONNECTION_LOSS">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="SESSION_TIMEOUT_ZK">
<h3>SESSION_TIMEOUT_ZK</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/ChaosZKClient.html#line-48">SESSION_TIMEOUT_ZK</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.ChaosZKClient.SESSION_TIMEOUT_ZK">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="TASK_EXECUTION_TIMEOUT">
<h3>TASK_EXECUTION_TIMEOUT</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/ChaosZKClient.html#line-49">TASK_EXECUTION_TIMEOUT</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.ChaosZKClient.TASK_EXECUTION_TIMEOUT">Constant Field Values</a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="taskStatus">
<h3>taskStatus</h3>
<div class="member-signature"><span class="modifiers">private volatile</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/ChaosZKClient.html#line-50">taskStatus</a></span></div>
</section>
</li>
<li>
<section class="detail" id="quorum">
<h3>quorum</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/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/ChaosZKClient.html#line-52">quorum</a></span></div>
</section>
</li>
<li>
<section class="detail" id="zk">
<h3>zk</h3>
<div class="member-signature"><span class="modifiers">private</span>&nbsp;<span class="return-type">org.apache.zookeeper.ZooKeeper</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ChaosZKClient.html#line-53">zk</a></span></div>
</section>
</li>
<li>
<section class="detail" id="setStatusWatcher">
<h3>setStatusWatcher</h3>
<div class="member-signature"><span class="return-type">org.apache.zookeeper.Watcher</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ChaosZKClient.html#line-165">setStatusWatcher</a></span></div>
<div class="block">Watcher to get notification whenever status of task changes.</div>
</section>
</li>
<li>
<section class="detail" id="getStatusCallback">
<h3>getStatusCallback</h3>
<div class="member-signature"><span class="return-type">org.apache.zookeeper.AsyncCallback.DataCallback</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ChaosZKClient.html#line-182">getStatusCallback</a></span></div>
</section>
</li>
<li>
<section class="detail" id="setStatusWatchCallback">
<h3>setStatusWatchCallback</h3>
<div class="member-signature"><span class="return-type">org.apache.zookeeper.AsyncCallback.StatCallback</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ChaosZKClient.html#line-220">setStatusWatchCallback</a></span></div>
</section>
</li>
<li>
<section class="detail" id="submitTaskCallback">
<h3>submitTaskCallback</h3>
<div class="member-signature"><span class="return-type">org.apache.zookeeper.AsyncCallback.StringCallback</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ChaosZKClient.html#line-240">submitTaskCallback</a></span></div>
</section>
</li>
<li>
<section class="detail" id="taskDeleteCallback">
<h3>taskDeleteCallback</h3>
<div class="member-signature"><span class="return-type">org.apache.zookeeper.AsyncCallback.VoidCallback</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ChaosZKClient.html#line-259">taskDeleteCallback</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;(java.lang.String)">
<h3>ChaosZKClient</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ChaosZKClient.html#line-55">ChaosZKClient</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;quorum)</span></div>
</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="createNewZKConnection()">
<h3>createNewZKConnection</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/ChaosZKClient.html#line-68">createNewZKConnection</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">Creates connection with ZooKeeper</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> - when not able to create connection properly</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="isChaosAgentRunning(java.lang.String)">
<h3>isChaosAgentRunning</h3>
<div class="member-signature"><span class="modifiers">private</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ChaosZKClient.html#line-84">isChaosAgentRunning</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;hostname)</span></div>
<div class="block">Checks if ChaosAgent is running or not on target host by checking its ZNode.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>hostname</code> - hostname to check for chaosagent</dd>
<dt>Returns:</dt>
<dd>true/false whether agent is running or not</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="submitTask(org.apache.hadoop.hbase.ChaosZKClient.TaskObject)">
<h3>submitTask</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/ChaosZKClient.html#line-109">submitTask</a></span><wbr><span class="parameters">(<a href="ChaosZKClient.TaskObject.html" title="class in org.apache.hadoop.hbase">ChaosZKClient.TaskObject</a>&nbsp;taskObject)</span></div>
<div class="block">Creates tasks for target hosts by creating ZNodes. Waits for a limited amount of time to
complete task to execute.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>taskObject</code> - Object data represents command</dd>
<dt>Returns:</dt>
<dd>returns status</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getStatus(java.lang.String,java.lang.Object)">
<h3>getStatus</h3>
<div class="member-signature"><span class="modifiers">private</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ChaosZKClient.html#line-136">getStatus</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;path,
<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>&nbsp;ctx)</span></div>
<div class="block">To get status of task submitted</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>path</code> - path at which to get status</dd>
<dd><code>ctx</code> - path context</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="setStatusWatch(java.lang.String,org.apache.hadoop.hbase.ChaosZKClient.TaskObject)">
<h3>setStatusWatch</h3>
<div class="member-signature"><span class="modifiers">private</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ChaosZKClient.html#line-146">setStatusWatch</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;name,
<a href="ChaosZKClient.TaskObject.html" title="class in org.apache.hadoop.hbase">ChaosZKClient.TaskObject</a>&nbsp;taskObject)</span></div>
<div class="block">Set a watch on task submitted</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>name</code> - ZNode name to set a watch</dd>
<dd><code>taskObject</code> - context for ZNode name</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="deleteTask(java.lang.String)">
<h3>deleteTask</h3>
<div class="member-signature"><span class="modifiers">private</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ChaosZKClient.html#line-155">deleteTask</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;path)</span></div>
<div class="block">Delete task after getting its status</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>path</code> - path to delete ZNode</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="recreateZKConnection()">
<h3>recreateZKConnection</h3>
<div class="member-signature"><span class="modifiers">private</span>&nbsp;<span class="return-type">void</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/ChaosZKClient.html#line-286">recreateZKConnection</a></span>()</div>
</section>
</li>
</ul>
</section>
</li>
</ul>
</section>
<!-- ========= END OF CLASS DATA ========= -->
</main>
<footer role="contentinfo">
<hr>
<p class="legal-copy"><small>Copyright &#169; 2007&#x2013;2020 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p>
</footer>
</div>
</div>
</body>
</html>