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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/80bb2192/0.94/apidocs/org/apache/hadoop/hbase/catalog/CatalogTracker.html
----------------------------------------------------------------------
diff --git a/0.94/apidocs/org/apache/hadoop/hbase/catalog/CatalogTracker.html b/0.94/apidocs/org/apache/hadoop/hbase/catalog/CatalogTracker.html
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--- /dev/null
+++ b/0.94/apidocs/org/apache/hadoop/hbase/catalog/CatalogTracker.html
@@ -0,0 +1,645 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<!-- NewPage -->
+<html lang="en">
+<head>
+<meta http-equiv="Content-Type" content="text/html" charset="UTF-8">
+<title>CatalogTracker (HBase 0.94.27 API)</title>
+<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<script type="text/javascript"><!--
+ if (location.href.indexOf('is-external=true') == -1) {
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+<li><a href="package-summary.html">Package</a></li>
+<li class="navBarCell1Rev">Class</li>
+<li><a href="class-use/CatalogTracker.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">Help</a></li>
+</ul>
+</div>
+<div class="subNav">
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+<li><a href="../../../../../org/apache/hadoop/hbase/catalog/MetaEditor.html" title="class in org.apache.hadoop.hbase.catalog"><span class="strong">Next Class</span></a></li>
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+<div>
+<ul class="subNavList">
+<li>Summary: </li>
+<li>Nested | </li>
+<li>Field | </li>
+<li><a href="#constructor_summary">Constr</a> | </li>
+<li><a href="#method_summary">Method</a></li>
+</ul>
+<ul class="subNavList">
+<li>Detail: </li>
+<li>Field | </li>
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+<li><a href="#method_detail">Method</a></li>
+</ul>
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+<!-- ========= END OF TOP NAVBAR ========= -->
+<!-- ======== START OF CLASS DATA ======== -->
+<div class="header">
+<div class="subTitle">org.apache.hadoop.hbase.catalog</div>
+<h2 title="Class CatalogTracker" class="title">Class CatalogTracker</h2>
+</div>
+<div class="contentContainer">
+<ul class="inheritance">
+<li><a href="http://docs.oracle.com/javase/6/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.catalog.CatalogTracker</li>
+</ul>
+</li>
+</ul>
+<div class="description">
+<ul class="blockList">
+<li class="blockList">
+<hr>
+<br>
+<pre>public class <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.63">CatalogTracker</a>
+extends <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre>
+<div class="block">Tracks the availability of the catalog tables <code>-ROOT-</code> and
+ <code>.META.</code>.
+
+ This class is "read-only" in that the locations of the catalog tables cannot
+ be explicitly set. Instead, ZooKeeper is used to learn of the availability
+ and location of <code>-ROOT-</code>. <code>-ROOT-</code> is used to learn of
+ the location of <code>.META.</code> If not available in <code>-ROOT-</code>,
+ ZooKeeper is used to monitor for a new location of <code>.META.</code>.
+
+ <p>Call <a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#start()"><code>start()</code></a> to start up operation. Call <a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#stop()"><code>stop()</code></a>} to
+ interrupt waits and close up shop.</div>
+</li>
+</ul>
+</div>
+<div class="summary">
+<ul class="blockList">
+<li class="blockList">
+<!-- ======== CONSTRUCTOR SUMMARY ======== -->
+<ul class="blockList">
+<li class="blockList"><a name="constructor_summary">
+<!-- -->
+</a>
+<h3>Constructor Summary</h3>
+<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
+<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
+<tr>
+<th class="colOne" scope="col">Constructor and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colOne"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#CatalogTracker(org.apache.hadoop.conf.Configuration)">CatalogTracker</a></strong>(org.apache.hadoop.conf.Configuration conf)</code>
+<div class="block">Constructs a catalog tracker.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colOne"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#CatalogTracker(org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher,%20org.apache.hadoop.conf.Configuration,%20org.apache.hadoop.hbase.Abortable)">CatalogTracker</a></strong>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZooKeeperWatcher</a> zk,
+ org.apache.hadoop.conf.Configuration conf,
+ <a href="../../../../../org/apache/hadoop/hbase/Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a> abortable)</code>
+<div class="block">Constructs the catalog tracker.</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="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
+<caption><span>Methods</span><span class="tabEnd"> </span></caption>
+<tr>
+<th class="colFirst" scope="col">Modifier and Type</th>
+<th class="colLast" scope="col">Method and Description</th>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/HConnection.html" title="interface in org.apache.hadoop.hbase.client">HConnection</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#getConnection()">getConnection</a></strong>()</code> </td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#getMetaLocation()">getMetaLocation</a></strong>()</code> </td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#getMetaLocationOrReadLocationFromRoot()">getMetaLocationOrReadLocationFromRoot</a></strong>()</code>
+<div class="block">Method used by master on startup trying to figure state of cluster.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#getRootLocation()">getRootLocation</a></strong>()</code>
+<div class="block">Gets the current location for <code>-ROOT-</code> or null if location is
+ not currently available.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>boolean</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#isStopped()">isStopped</a></strong>()</code> </td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#resetMetaLocation()">resetMetaLocation</a></strong>()</code>
+<div class="block">Called when we figure current meta is off (called from zk callback).</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#start()">start</a></strong>()</code>
+<div class="block">Starts the catalog tracker.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#stop()">stop</a></strong>()</code>
+<div class="block">Stop working.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>boolean</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#verifyMetaRegionLocation(long)">verifyMetaRegionLocation</a></strong>(long timeout)</code>
+<div class="block">Verify <code>.META.</code> is deployed and accessible.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>boolean</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#verifyRootRegionLocation(long)">verifyRootRegionLocation</a></strong>(long timeout)</code>
+<div class="block">Verify <code>-ROOT-</code> is deployed and accessible.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#waitForMeta()">waitForMeta</a></strong>()</code>
+<div class="block">Waits indefinitely for availability of <code>.META.</code>.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#waitForMeta(long)">waitForMeta</a></strong>(long timeout)</code>
+<div class="block">Gets the current location for <code>.META.</code> if available and waits
+ for up to the specified timeout if not immediately available.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/ipc/HRegionInterface.html" title="interface in org.apache.hadoop.hbase.ipc">HRegionInterface</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#waitForMetaServerConnection(long)">waitForMetaServerConnection</a></strong>(long timeout)</code>
+<div class="block"><strong>Deprecated.</strong>
+<div class="block"><i>Does not retry; use an HTable instance instead.</i></div>
+</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code>void</code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#waitForRoot()">waitForRoot</a></strong>()</code>
+<div class="block">Waits indefinitely for availability of <code>-ROOT-</code>.</div>
+</td>
+</tr>
+<tr class="altColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#waitForRoot(long)">waitForRoot</a></strong>(long timeout)</code>
+<div class="block">Gets the current location for <code>-ROOT-</code> if available and waits
+ for up to the specified timeout if not immediately available.</div>
+</td>
+</tr>
+<tr class="rowColor">
+<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/ipc/HRegionInterface.html" title="interface in org.apache.hadoop.hbase.ipc">HRegionInterface</a></code></td>
+<td class="colLast"><code><strong><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#waitForRootServerConnection(long)">waitForRootServerConnection</a></strong>(long timeout)</code>
+<div class="block"><strong>Deprecated.</strong>
+<div class="block"><i>Use #getRootServerConnection(long)</i></div>
+</div>
+</td>
+</tr>
+</table>
+<ul class="blockList">
+<li class="blockList"><a name="methods_inherited_from_class_java.lang.Object">
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+<h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
+<code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang
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+<div class="details">
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+<ul class="blockList">
+<li class="blockList"><a name="constructor_detail">
+<!-- -->
+</a>
+<h3>Constructor Detail</h3>
+<a name="CatalogTracker(org.apache.hadoop.conf.Configuration)">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>CatalogTracker</h4>
+<pre>public <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.142">CatalogTracker</a>(org.apache.hadoop.conf.Configuration conf)
+ throws <a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
+<div class="block">Constructs a catalog tracker. Find current state of catalog tables.
+ Begin active tracking by executing <a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#start()"><code>start()</code></a> post construction. Does
+ not timeout.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>conf</code> - the <code>Configuration</code> from which a <a href="../../../../../org/apache/hadoop/hbase/client/HConnection.html" title="interface in org.apache.hadoop.hbase.client"><code>HConnection</code></a> will be
+ obtained; if problem, this connections
+ <a href="../../../../../org/apache/hadoop/hbase/Abortable.html#abort(java.lang.String,%20java.lang.Throwable)"><code>Abortable.abort(String, Throwable)</code></a> will be called.</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd></dl>
+</li>
+</ul>
+<a name="CatalogTracker(org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher, org.apache.hadoop.conf.Configuration, org.apache.hadoop.hbase.Abortable)">
+<!-- -->
+</a>
+<ul class="blockListLast">
+<li class="blockList">
+<h4>CatalogTracker</h4>
+<pre>public <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.158">CatalogTracker</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.html" title="class in org.apache.hadoop.hbase.zookeeper">ZooKeeperWatcher</a> zk,
+ org.apache.hadoop.conf.Configuration conf,
+ <a href="../../../../../org/apache/hadoop/hbase/Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a> abortable)
+ throws <a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
+<div class="block">Constructs the catalog tracker. Find current state of catalog tables.
+ Begin active tracking by executing <a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#start()"><code>start()</code></a> post construction.
+ Does not timeout.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>zk</code> - If zk is null, we'll create an instance (and shut it down
+ when <a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#stop()"><code>stop()</code></a> is called) else we'll use what is passed.</dd><dd><code>conf</code> - </dd><dd><code>abortable</code> - If fatal exception we'll call abort on this. May be null.
+ If it is we'll use the Connection associated with the passed
+ <code>Configuration</code> as our Abortable.</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd></dl>
+</li>
+</ul>
+</li>
+</ul>
+<!-- ============ METHOD DETAIL ========== -->
+<ul class="blockList">
+<li class="blockList"><a name="method_detail">
+<!-- -->
+</a>
+<h3>Method Detail</h3>
+<a name="start()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>start</h4>
+<pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.212">start</a>()
+ throws <a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
+ <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
+<div class="block">Starts the catalog tracker.
+ Determines current availability of catalog tables and ensures all further
+ transitions of either region are tracked.</div>
+<dl><dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
+<dd><code><a href="http://docs.oracle.com/javase/6/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="isStopped()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>isStopped</h4>
+<pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.228">isStopped</a>()</pre>
+<dl><dt><span class="strong">Returns:</span></dt><dd>True if we are stopped. Call only after start else indeterminate answer.</dd></dl>
+</li>
+</ul>
+<a name="stop()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>stop</h4>
+<pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.236">stop</a>()</pre>
+<div class="block">Stop working.
+ Interrupts any ongoing waits.</div>
+</li>
+</ul>
+<a name="getRootLocation()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getRootLocation</h4>
+<pre>public <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.268">getRootLocation</a>()
+ throws <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
+<div class="block">Gets the current location for <code>-ROOT-</code> or null if location is
+ not currently available.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd><a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase"><code>ServerName</code></a> for server hosting <code>-ROOT-</code> or null
+ if none available</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd></dl>
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+</ul>
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+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getMetaLocation</h4>
+<pre>public <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.276">getMetaLocation</a>()</pre>
+<dl><dt><span class="strong">Returns:</span></dt><dd><a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase"><code>ServerName</code></a> for server hosting <code>.META.</code> or null
+ if none available</dd></dl>
+</li>
+</ul>
+<a name="getMetaLocationOrReadLocationFromRoot()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getMetaLocationOrReadLocationFromRoot</h4>
+<pre>public <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.290">getMetaLocationOrReadLocationFromRoot</a>()
+ throws <a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
+<div class="block">Method used by master on startup trying to figure state of cluster.
+ Returns the current meta location unless its null. In this latter case,
+ it has not yet been set so go check whats up in <code>-ROOT-</code> and
+ return that.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd><a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase"><code>ServerName</code></a> for server hosting <code>.META.</code> or if null,
+ we'll read the location that is up in <code>-ROOT-</code> table (which
+ could be null or just plain stale).</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd></dl>
+</li>
+</ul>
+<a name="waitForRoot()">
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+<ul class="blockList">
+<li class="blockList">
+<h4>waitForRoot</h4>
+<pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.300">waitForRoot</a>()
+ throws <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
+<div class="block">Waits indefinitely for availability of <code>-ROOT-</code>. Used during
+ cluster startup.</div>
+<dl><dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code> - if interrupted while waiting</dd></dl>
+</li>
+</ul>
+<a name="waitForRoot(long)">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>waitForRoot</h4>
+<pre>public <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.316">waitForRoot</a>(long timeout)
+ throws <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a>,
+ <a href="../../../../../org/apache/hadoop/hbase/NotAllMetaRegionsOnlineException.html" title="class in org.apache.hadoop.hbase">NotAllMetaRegionsOnlineException</a></pre>
+<div class="block">Gets the current location for <code>-ROOT-</code> if available and waits
+ for up to the specified timeout if not immediately available. Returns null
+ if the timeout elapses before root is available.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>timeout</code> - maximum time to wait for root availability, in milliseconds</dd>
+<dt><span class="strong">Returns:</span></dt><dd><a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase"><code>ServerName</code></a> for server hosting <code>-ROOT-</code> or null
+ if none available</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code> - if interrupted while waiting</dd>
+<dd><code><a href="../../../../../org/apache/hadoop/hbase/NotAllMetaRegionsOnlineException.html" title="class in org.apache.hadoop.hbase">NotAllMetaRegionsOnlineException</a></code> - if root not available before
+ timeout</dd></dl>
+</li>
+</ul>
+<a name="waitForRootServerConnection(long)">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>waitForRootServerConnection</h4>
+<pre>public <a href="../../../../../org/apache/hadoop/hbase/ipc/HRegionInterface.html" title="interface in org.apache.hadoop.hbase.ipc">HRegionInterface</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.336">waitForRootServerConnection</a>(long timeout)
+ throws <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a>,
+ <a href="../../../../../org/apache/hadoop/hbase/NotAllMetaRegionsOnlineException.html" title="class in org.apache.hadoop.hbase">NotAllMetaRegionsOnlineException</a>,
+ <a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
+<div class="block"><span class="strong">Deprecated.</span> <i>Use #getRootServerConnection(long)</i></div>
+<div class="block">Gets a connection to the server hosting root, as reported by ZooKeeper,
+ waiting up to the specified timeout for availability.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>timeout</code> - How long to wait on root location</dd>
+<dt><span class="strong">Returns:</span></dt><dd>connection to server hosting root</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd>
+<dd><code><a href="../../../../../org/apache/hadoop/hbase/NotAllMetaRegionsOnlineException.html" title="class in org.apache.hadoop.hbase">NotAllMetaRegionsOnlineException</a></code> - if timed out waiting</dd>
+<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#waitForRoot(long)"><code>for additional information</code></a></dd></dl>
+</li>
+</ul>
+<a name="waitForMeta()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>waitForMeta</h4>
+<pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.415">waitForMeta</a>()
+ throws <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre>
+<div class="block">Waits indefinitely for availability of <code>.META.</code>. Used during
+ cluster startup. Does not verify meta, just that something has been
+ set up in zk.</div>
+<dl><dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code> - if interrupted while waiting</dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#waitForMeta(long)"><code>waitForMeta(long)</code></a></dd></dl>
+</li>
+</ul>
+<a name="waitForMeta(long)">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>waitForMeta</h4>
+<pre>public <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.444">waitForMeta</a>(long timeout)
+ throws <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a>,
+ <a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>,
+ <a href="../../../../../org/apache/hadoop/hbase/NotAllMetaRegionsOnlineException.html" title="class in org.apache.hadoop.hbase">NotAllMetaRegionsOnlineException</a></pre>
+<div class="block">Gets the current location for <code>.META.</code> if available and waits
+ for up to the specified timeout if not immediately available. Throws an
+ exception if timed out waiting. This method differs from <a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#waitForMeta()"><code>waitForMeta()</code></a>
+ in that it will go ahead and verify the location gotten from ZooKeeper and
+ -ROOT- region by trying to use returned connection.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>timeout</code> - maximum time to wait for meta availability, in milliseconds</dd>
+<dt><span class="strong">Returns:</span></dt><dd><a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase"><code>ServerName</code></a> for server hosting <code>.META.</code> or null
+ if none available</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code> - if interrupted while waiting</dd>
+<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - unexpected exception connecting to meta server</dd>
+<dd><code><a href="../../../../../org/apache/hadoop/hbase/NotAllMetaRegionsOnlineException.html" title="class in org.apache.hadoop.hbase">NotAllMetaRegionsOnlineException</a></code> - if meta not available before
+ timeout</dd></dl>
+</li>
+</ul>
+<a name="waitForMetaServerConnection(long)">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>waitForMetaServerConnection</h4>
+<pre>public <a href="../../../../../org/apache/hadoop/hbase/ipc/HRegionInterface.html" title="interface in org.apache.hadoop.hbase.ipc">HRegionInterface</a> <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.473">waitForMetaServerConnection</a>(long timeout)
+ throws <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a>,
+ <a href="../../../../../org/apache/hadoop/hbase/NotAllMetaRegionsOnlineException.html" title="class in org.apache.hadoop.hbase">NotAllMetaRegionsOnlineException</a>,
+ <a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
+<div class="block"><span class="strong">Deprecated.</span> <i>Does not retry; use an HTable instance instead.</i></div>
+<div class="block">Gets a connection to the server hosting meta, as reported by ZooKeeper,
+ waiting up to the specified timeout for availability.</div>
+<dl><dt><span class="strong">Returns:</span></dt><dd>connection to server hosting meta</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd>
+<dd><code><a href="../../../../../org/apache/hadoop/hbase/NotAllMetaRegionsOnlineException.html" title="class in org.apache.hadoop.hbase">NotAllMetaRegionsOnlineException</a></code> - if timed out waiting</dd>
+<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#waitForMeta(long)"><code>for additional information</code></a></dd></dl>
+</li>
+</ul>
+<a name="resetMetaLocation()">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>resetMetaLocation</h4>
+<pre>public void <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.481">resetMetaLocation</a>()</pre>
+<div class="block">Called when we figure current meta is off (called from zk callback).</div>
+</li>
+</ul>
+<a name="verifyRootRegionLocation(long)">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>verifyRootRegionLocation</h4>
+<pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.610">verifyRootRegionLocation</a>(long timeout)
+ throws <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a>,
+ <a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
+<div class="block">Verify <code>-ROOT-</code> is deployed and accessible.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>timeout</code> - How long to wait on zk for root address (passed through to
+ the internal call to <a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#waitForRootServerConnection(long)"><code>waitForRootServerConnection(long)</code></a>.</dd>
+<dt><span class="strong">Returns:</span></dt><dd>True if the <code>-ROOT-</code> location is healthy.</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd>
+<dd><code><a href="http://docs.oracle.com/javase/6/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="verifyMetaRegionLocation(long)">
+<!-- -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>verifyMetaRegionLocation</h4>
+<pre>public boolean <a href="../../../../../src-html/org/apache/hadoop/hbase/catalog/CatalogTracker.html#line.635">verifyMetaRegionLocation</a>(long timeout)
+ throws <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a>,
+ <a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre>
+<div class="block">Verify <code>.META.</code> is deployed and accessible.</div>
+<dl><dt><span class="strong">Parameters:</span></dt><dd><code>timeout</code> - How long to wait on zk for <code>.META.</code> address
+ (passed through to the internal call to <a href="../../../../../org/apache/hadoop/hbase/catalog/CatalogTracker.html#waitForMetaServerConnection(long)"><code>waitForMetaServerConnection(long)</code></a>.</dd>
+<dt><span class="strong">Returns:</span></dt><dd>True if the <code>.META.</code> location is healthy.</dd>
+<dt><span class="strong">Throws:</span></dt>
+<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - Some unexpected IOE.</dd>
+<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd></dl>
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+<h4>getConnection</h4>
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+</ul>
+</li>
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+</li>
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+</div>
+</div>
+<!-- ========= END OF CLASS DATA ========= -->
+<!-- ======= START OF BOTTOM NAVBAR ====== -->
+<div class="bottomNav"><a name="navbar_bottom">
+<!-- -->
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+<li><a href="package-summary.html">Package</a></li>
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