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From st...@apache.org
Subject svn commit: r1465201 [2/2] - in /hbase/hbase.apache.org/trunk: xref-test/org/apache/hadoop/hbase/replication/ xref/org/apache/hadoop/hbase/replication/
Date Sat, 06 Apr 2013 06:09:46 GMT
Added: hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.html
URL: http://svn.apache.org/viewvc/hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.html?rev=1465201&view=auto
==============================================================================
--- hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.html (added)
+++ hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.html Sat Apr  6 06:09:45 2013
@@ -0,0 +1,417 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
+<title>ReplicationQueuesZKImpl xref</title>
+<link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" />
+</head>
+<body>
+<div id="overview"><a href="../../../../../../../../../hbase.apache.org/trunk/localhost/tmp/apidocs/org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.html">View Javadoc</a></div><pre>
+
+<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
+<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * or more contributor license agreements.  See the NOTICE file</em>
+<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * distributed with this work for additional information</em>
+<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * regarding copyright ownership.  The ASF licenses this file</em>
+<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em>
+<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
+<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> * with the License.  You may obtain a copy of the License at</em>
+<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> *     <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
+<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
+<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
+<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
+<a class="jxr_linenumber" name="16" href="#16">16</a>  <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
+<a class="jxr_linenumber" name="17" href="#17">17</a>  <em class="jxr_comment"> * limitations under the License.</em>
+<a class="jxr_linenumber" name="18" href="#18">18</a>  <em class="jxr_comment"> */</em>
+<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">package</strong> org.apache.hadoop.hbase.replication;
+<a class="jxr_linenumber" name="20" href="#20">20</a>  
+<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> java.util.ArrayList;
+<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> java.util.List;
+<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> java.util.SortedMap;
+<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> java.util.SortedSet;
+<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> java.util.TreeMap;
+<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> java.util.TreeSet;
+<a class="jxr_linenumber" name="27" href="#27">27</a>  
+<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log;
+<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
+<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.conf.Configuration;
+<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.Abortable;
+<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HConstants;
+<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.exceptions.DeserializationException;
+<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.protobuf.ProtobufUtil;
+<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.protobuf.generated.ZooKeeperProtos;
+<a class="jxr_linenumber" name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Bytes;
+<a class="jxr_linenumber" name="37" href="#37">37</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.zookeeper.ZKUtil;
+<a class="jxr_linenumber" name="38" href="#38">38</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
+<a class="jxr_linenumber" name="39" href="#39">39</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.zookeeper.ZKUtil.ZKUtilOp;
+<a class="jxr_linenumber" name="40" href="#40">40</a>  <strong class="jxr_keyword">import</strong> org.apache.zookeeper.KeeperException;
+<a class="jxr_linenumber" name="41" href="#41">41</a>  
+<a class="jxr_linenumber" name="42" href="#42">42</a>  <strong class="jxr_keyword">import</strong> com.google.protobuf.InvalidProtocolBufferException;
+<a class="jxr_linenumber" name="43" href="#43">43</a>  
+<a class="jxr_linenumber" name="44" href="#44">44</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.html">ReplicationQueuesZKImpl</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateZKBase.html">ReplicationStateZKBase</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationQueues.html">ReplicationQueues</a> {
+<a class="jxr_linenumber" name="45" href="#45">45</a>  
+<a class="jxr_linenumber" name="46" href="#46">46</a>    <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Znode containing all replication queues for this region server. */</em>
+<a class="jxr_linenumber" name="47" href="#47">47</a>    <strong class="jxr_keyword">private</strong> String myQueuesZnode;
+<a class="jxr_linenumber" name="48" href="#48">48</a>    <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Name of znode we use to lock during failover */</em>
+<a class="jxr_linenumber" name="49" href="#49">49</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">static</strong> String RS_LOCK_ZNODE = <span class="jxr_string">"lock"</span>;
+<a class="jxr_linenumber" name="50" href="#50">50</a>  
+<a class="jxr_linenumber" name="51" href="#51">51</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(ReplicationQueuesZKImpl.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="52" href="#52">52</a>  
+<a class="jxr_linenumber" name="53" href="#53">53</a>    <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationQueuesZKImpl.html">ReplicationQueuesZKImpl</a>(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.html">ZooKeeperWatcher</a> zk, Configuration conf, <a href="../../../../../org/apache/hadoop/hbase/Abortable.html">Abortable</a> abortable)
+<a class="jxr_linenumber" name="54" href="#54">54</a>        <strong class="jxr_keyword">throws</strong> KeeperException {
+<a class="jxr_linenumber" name="55" href="#55">55</a>      <strong class="jxr_keyword">super</strong>(zk, conf, abortable);
+<a class="jxr_linenumber" name="56" href="#56">56</a>    }
+<a class="jxr_linenumber" name="57" href="#57">57</a>  
+<a class="jxr_linenumber" name="58" href="#58">58</a>    @Override
+<a class="jxr_linenumber" name="59" href="#59">59</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> init(String serverName) {
+<a class="jxr_linenumber" name="60" href="#60">60</a>      <strong class="jxr_keyword">this</strong>.myQueuesZnode = ZKUtil.joinZNode(<strong class="jxr_keyword">this</strong>.queuesZNode, serverName);
+<a class="jxr_linenumber" name="61" href="#61">61</a>    }
+<a class="jxr_linenumber" name="62" href="#62">62</a>  
+<a class="jxr_linenumber" name="63" href="#63">63</a>    @Override
+<a class="jxr_linenumber" name="64" href="#64">64</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> removeQueue(String queueId) {
+<a class="jxr_linenumber" name="65" href="#65">65</a>      <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="66" href="#66">66</a>        ZKUtil.deleteNodeRecursively(<strong class="jxr_keyword">this</strong>.zookeeper, ZKUtil.joinZNode(<strong class="jxr_keyword">this</strong>.myQueuesZnode, queueId));
+<a class="jxr_linenumber" name="67" href="#67">67</a>      } <strong class="jxr_keyword">catch</strong> (KeeperException e) {
+<a class="jxr_linenumber" name="68" href="#68">68</a>        <strong class="jxr_keyword">this</strong>.abortable.abort(<span class="jxr_string">"Failed to delete queue (queueId="</span> + queueId + <span class="jxr_string">")"</span>, e);
+<a class="jxr_linenumber" name="69" href="#69">69</a>      }
+<a class="jxr_linenumber" name="70" href="#70">70</a>    }
+<a class="jxr_linenumber" name="71" href="#71">71</a>  
+<a class="jxr_linenumber" name="72" href="#72">72</a>    @Override
+<a class="jxr_linenumber" name="73" href="#73">73</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addLog(String queueId, String filename) <strong class="jxr_keyword">throws</strong> KeeperException {
+<a class="jxr_linenumber" name="74" href="#74">74</a>      String znode = ZKUtil.joinZNode(<strong class="jxr_keyword">this</strong>.myQueuesZnode, queueId);
+<a class="jxr_linenumber" name="75" href="#75">75</a>      znode = ZKUtil.joinZNode(znode, filename);
+<a class="jxr_linenumber" name="76" href="#76">76</a>      ZKUtil.createWithParents(<strong class="jxr_keyword">this</strong>.zookeeper, znode);
+<a class="jxr_linenumber" name="77" href="#77">77</a>    }
+<a class="jxr_linenumber" name="78" href="#78">78</a>  
+<a class="jxr_linenumber" name="79" href="#79">79</a>    @Override
+<a class="jxr_linenumber" name="80" href="#80">80</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> removeLog(String queueId, String filename) {
+<a class="jxr_linenumber" name="81" href="#81">81</a>      <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="82" href="#82">82</a>        String znode = ZKUtil.joinZNode(<strong class="jxr_keyword">this</strong>.myQueuesZnode, queueId);
+<a class="jxr_linenumber" name="83" href="#83">83</a>        znode = ZKUtil.joinZNode(znode, filename);
+<a class="jxr_linenumber" name="84" href="#84">84</a>        ZKUtil.deleteNode(<strong class="jxr_keyword">this</strong>.zookeeper, znode);
+<a class="jxr_linenumber" name="85" href="#85">85</a>      } <strong class="jxr_keyword">catch</strong> (KeeperException e) {
+<a class="jxr_linenumber" name="86" href="#86">86</a>        <strong class="jxr_keyword">this</strong>.abortable.abort(<span class="jxr_string">"Failed to remove hlog from queue (queueId="</span> + queueId + <span class="jxr_string">", filename="</span>
+<a class="jxr_linenumber" name="87" href="#87">87</a>            + filename + <span class="jxr_string">")"</span>, e);
+<a class="jxr_linenumber" name="88" href="#88">88</a>      }
+<a class="jxr_linenumber" name="89" href="#89">89</a>    }
+<a class="jxr_linenumber" name="90" href="#90">90</a>  
+<a class="jxr_linenumber" name="91" href="#91">91</a>    @Override
+<a class="jxr_linenumber" name="92" href="#92">92</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setLogPosition(String queueId, String filename, <strong class="jxr_keyword">long</strong> position) {
+<a class="jxr_linenumber" name="93" href="#93">93</a>      <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="94" href="#94">94</a>        String znode = ZKUtil.joinZNode(<strong class="jxr_keyword">this</strong>.myQueuesZnode, queueId);
+<a class="jxr_linenumber" name="95" href="#95">95</a>        znode = ZKUtil.joinZNode(znode, filename);
+<a class="jxr_linenumber" name="96" href="#96">96</a>        <em class="jxr_comment">// Why serialize String of Long and not Long as bytes?</em>
+<a class="jxr_linenumber" name="97" href="#97">97</a>        ZKUtil.setData(<strong class="jxr_keyword">this</strong>.zookeeper, znode, toByteArray(position));
+<a class="jxr_linenumber" name="98" href="#98">98</a>      } <strong class="jxr_keyword">catch</strong> (KeeperException e) {
+<a class="jxr_linenumber" name="99" href="#99">99</a>        <strong class="jxr_keyword">this</strong>.abortable.abort(<span class="jxr_string">"Failed to write replication hlog position (filename="</span> + filename
+<a class="jxr_linenumber" name="100" href="#100">100</a>           + <span class="jxr_string">", position="</span> + position + <span class="jxr_string">")"</span>, e);
+<a class="jxr_linenumber" name="101" href="#101">101</a>     }
+<a class="jxr_linenumber" name="102" href="#102">102</a>   }
+<a class="jxr_linenumber" name="103" href="#103">103</a> 
+<a class="jxr_linenumber" name="104" href="#104">104</a>   @Override
+<a class="jxr_linenumber" name="105" href="#105">105</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getLogPosition(String queueId, String filename) <strong class="jxr_keyword">throws</strong> KeeperException {
+<a class="jxr_linenumber" name="106" href="#106">106</a>     String clusterZnode = ZKUtil.joinZNode(<strong class="jxr_keyword">this</strong>.myQueuesZnode, queueId);
+<a class="jxr_linenumber" name="107" href="#107">107</a>     String znode = ZKUtil.joinZNode(clusterZnode, filename);
+<a class="jxr_linenumber" name="108" href="#108">108</a>     byte[] bytes = ZKUtil.getData(<strong class="jxr_keyword">this</strong>.zookeeper, znode);
+<a class="jxr_linenumber" name="109" href="#109">109</a>     <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="110" href="#110">110</a>       <strong class="jxr_keyword">return</strong> parseHLogPositionFrom(bytes);
+<a class="jxr_linenumber" name="111" href="#111">111</a>     } <strong class="jxr_keyword">catch</strong> (DeserializationException de) {
+<a class="jxr_linenumber" name="112" href="#112">112</a>       LOG.warn(<span class="jxr_string">"Failed to parse HLogPosition for queueId="</span> + queueId + <span class="jxr_string">" and hlog="</span> + filename
+<a class="jxr_linenumber" name="113" href="#113">113</a>           + <span class="jxr_string">"znode content, continuing."</span>);
+<a class="jxr_linenumber" name="114" href="#114">114</a>     }
+<a class="jxr_linenumber" name="115" href="#115">115</a>     <em class="jxr_comment">// if we can not parse the position, start at the beginning of the hlog file</em>
+<a class="jxr_linenumber" name="116" href="#116">116</a>     <em class="jxr_comment">// again</em>
+<a class="jxr_linenumber" name="117" href="#117">117</a>     <strong class="jxr_keyword">return</strong> 0;
+<a class="jxr_linenumber" name="118" href="#118">118</a>   }
+<a class="jxr_linenumber" name="119" href="#119">119</a> 
+<a class="jxr_linenumber" name="120" href="#120">120</a>   @Override
+<a class="jxr_linenumber" name="121" href="#121">121</a>   <strong class="jxr_keyword">public</strong> SortedMap&lt;String, SortedSet&lt;String&gt;&gt; claimQueues(String regionserverZnode) {
+<a class="jxr_linenumber" name="122" href="#122">122</a>     SortedMap&lt;String, SortedSet&lt;String&gt;&gt; newQueues = <strong class="jxr_keyword">new</strong> TreeMap&lt;String, SortedSet&lt;String&gt;&gt;();
+<a class="jxr_linenumber" name="123" href="#123">123</a>     <em class="jxr_comment">// check whether there is multi support. If yes, use it.</em>
+<a class="jxr_linenumber" name="124" href="#124">124</a>     <strong class="jxr_keyword">if</strong> (conf.getBoolean(HConstants.ZOOKEEPER_USEMULTI, <strong class="jxr_keyword">true</strong>)) {
+<a class="jxr_linenumber" name="125" href="#125">125</a>       LOG.info(<span class="jxr_string">"Atomically moving "</span> + regionserverZnode + <span class="jxr_string">"'s hlogs to my queue"</span>);
+<a class="jxr_linenumber" name="126" href="#126">126</a>       newQueues = copyQueuesFromRSUsingMulti(regionserverZnode);
+<a class="jxr_linenumber" name="127" href="#127">127</a>     } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="128" href="#128">128</a>       LOG.info(<span class="jxr_string">"Moving "</span> + regionserverZnode + <span class="jxr_string">"'s hlogs to my queue"</span>);
+<a class="jxr_linenumber" name="129" href="#129">129</a>       <strong class="jxr_keyword">if</strong> (!lockOtherRS(regionserverZnode)) {
+<a class="jxr_linenumber" name="130" href="#130">130</a>         <strong class="jxr_keyword">return</strong> newQueues;
+<a class="jxr_linenumber" name="131" href="#131">131</a>       }
+<a class="jxr_linenumber" name="132" href="#132">132</a>       newQueues = copyQueuesFromRS(regionserverZnode);
+<a class="jxr_linenumber" name="133" href="#133">133</a>       deleteAnotherRSQueues(regionserverZnode);
+<a class="jxr_linenumber" name="134" href="#134">134</a>     }
+<a class="jxr_linenumber" name="135" href="#135">135</a>     <strong class="jxr_keyword">return</strong> newQueues;
+<a class="jxr_linenumber" name="136" href="#136">136</a>   }
+<a class="jxr_linenumber" name="137" href="#137">137</a> 
+<a class="jxr_linenumber" name="138" href="#138">138</a>   @Override
+<a class="jxr_linenumber" name="139" href="#139">139</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> removeAllQueues() {
+<a class="jxr_linenumber" name="140" href="#140">140</a>     <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="141" href="#141">141</a>       ZKUtil.deleteNodeRecursively(<strong class="jxr_keyword">this</strong>.zookeeper, <strong class="jxr_keyword">this</strong>.myQueuesZnode);
+<a class="jxr_linenumber" name="142" href="#142">142</a>     } <strong class="jxr_keyword">catch</strong> (KeeperException e) {
+<a class="jxr_linenumber" name="143" href="#143">143</a>       <em class="jxr_comment">// if the znode is already expired, don't bother going further</em>
+<a class="jxr_linenumber" name="144" href="#144">144</a>       <strong class="jxr_keyword">if</strong> (e instanceof KeeperException.SessionExpiredException) {
+<a class="jxr_linenumber" name="145" href="#145">145</a>         <strong class="jxr_keyword">return</strong>;
+<a class="jxr_linenumber" name="146" href="#146">146</a>       }
+<a class="jxr_linenumber" name="147" href="#147">147</a>       <strong class="jxr_keyword">this</strong>.abortable.abort(<span class="jxr_string">"Failed to delete replication queues for region server: "</span>
+<a class="jxr_linenumber" name="148" href="#148">148</a>           + <strong class="jxr_keyword">this</strong>.myQueuesZnode, e);
+<a class="jxr_linenumber" name="149" href="#149">149</a>     }
+<a class="jxr_linenumber" name="150" href="#150">150</a>   }
+<a class="jxr_linenumber" name="151" href="#151">151</a> 
+<a class="jxr_linenumber" name="152" href="#152">152</a>   @Override
+<a class="jxr_linenumber" name="153" href="#153">153</a>   <strong class="jxr_keyword">public</strong> List&lt;String&gt; getLogsInQueue(String queueId) {
+<a class="jxr_linenumber" name="154" href="#154">154</a>     String znode = ZKUtil.joinZNode(<strong class="jxr_keyword">this</strong>.myQueuesZnode, queueId);
+<a class="jxr_linenumber" name="155" href="#155">155</a>     List&lt;String&gt; result = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="156" href="#156">156</a>     <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="157" href="#157">157</a>       result = ZKUtil.listChildrenNoWatch(<strong class="jxr_keyword">this</strong>.zookeeper, znode);
+<a class="jxr_linenumber" name="158" href="#158">158</a>     } <strong class="jxr_keyword">catch</strong> (KeeperException e) {
+<a class="jxr_linenumber" name="159" href="#159">159</a>       <strong class="jxr_keyword">this</strong>.abortable.abort(<span class="jxr_string">"Failed to get list of hlogs for queueId="</span> + queueId, e);
+<a class="jxr_linenumber" name="160" href="#160">160</a>     }
+<a class="jxr_linenumber" name="161" href="#161">161</a>     <strong class="jxr_keyword">return</strong> result;
+<a class="jxr_linenumber" name="162" href="#162">162</a>   }
+<a class="jxr_linenumber" name="163" href="#163">163</a> 
+<a class="jxr_linenumber" name="164" href="#164">164</a>   @Override
+<a class="jxr_linenumber" name="165" href="#165">165</a>   <strong class="jxr_keyword">public</strong> List&lt;String&gt; getAllQueues() {
+<a class="jxr_linenumber" name="166" href="#166">166</a>     List&lt;String&gt; listOfQueues = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="167" href="#167">167</a>     <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="168" href="#168">168</a>       listOfQueues = ZKUtil.listChildrenNoWatch(<strong class="jxr_keyword">this</strong>.zookeeper, <strong class="jxr_keyword">this</strong>.myQueuesZnode);
+<a class="jxr_linenumber" name="169" href="#169">169</a>     } <strong class="jxr_keyword">catch</strong> (KeeperException e) {
+<a class="jxr_linenumber" name="170" href="#170">170</a>       <strong class="jxr_keyword">this</strong>.abortable.abort(<span class="jxr_string">"Failed to get a list of queues for region server: "</span>
+<a class="jxr_linenumber" name="171" href="#171">171</a>           + <strong class="jxr_keyword">this</strong>.myQueuesZnode, e);
+<a class="jxr_linenumber" name="172" href="#172">172</a>     }
+<a class="jxr_linenumber" name="173" href="#173">173</a>     <strong class="jxr_keyword">return</strong> listOfQueues;
+<a class="jxr_linenumber" name="174" href="#174">174</a>   }
+<a class="jxr_linenumber" name="175" href="#175">175</a> 
+<a class="jxr_linenumber" name="176" href="#176">176</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="177" href="#177">177</a> <em class="jxr_javadoccomment">   * Try to set a lock in another region server's znode.</em>
+<a class="jxr_linenumber" name="178" href="#178">178</a> <em class="jxr_javadoccomment">   * @param znode the server names of the other server</em>
+<a class="jxr_linenumber" name="179" href="#179">179</a> <em class="jxr_javadoccomment">   * @return true if the lock was acquired, false in every other cases</em>
+<a class="jxr_linenumber" name="180" href="#180">180</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="181" href="#181">181</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> lockOtherRS(String znode) {
+<a class="jxr_linenumber" name="182" href="#182">182</a>     <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="183" href="#183">183</a>       String parent = ZKUtil.joinZNode(<strong class="jxr_keyword">this</strong>.queuesZNode, znode);
+<a class="jxr_linenumber" name="184" href="#184">184</a>       <strong class="jxr_keyword">if</strong> (parent.equals(<strong class="jxr_keyword">this</strong>.myQueuesZnode)) {
+<a class="jxr_linenumber" name="185" href="#185">185</a>         LOG.warn(<span class="jxr_string">"Won't lock because this is us, we're dead!"</span>);
+<a class="jxr_linenumber" name="186" href="#186">186</a>         <strong class="jxr_keyword">return</strong> false;
+<a class="jxr_linenumber" name="187" href="#187">187</a>       }
+<a class="jxr_linenumber" name="188" href="#188">188</a>       String p = ZKUtil.joinZNode(parent, RS_LOCK_ZNODE);
+<a class="jxr_linenumber" name="189" href="#189">189</a>       ZKUtil.createAndWatch(<strong class="jxr_keyword">this</strong>.zookeeper, p, lockToByteArray(<strong class="jxr_keyword">this</strong>.myQueuesZnode));
+<a class="jxr_linenumber" name="190" href="#190">190</a>     } <strong class="jxr_keyword">catch</strong> (KeeperException e) {
+<a class="jxr_linenumber" name="191" href="#191">191</a>       <em class="jxr_comment">// This exception will pop up if the znode under which we're trying to</em>
+<a class="jxr_linenumber" name="192" href="#192">192</a>       <em class="jxr_comment">// create the lock is already deleted by another region server, meaning</em>
+<a class="jxr_linenumber" name="193" href="#193">193</a>       <em class="jxr_comment">// that the transfer already occurred.</em>
+<a class="jxr_linenumber" name="194" href="#194">194</a>       <em class="jxr_comment">// NoNode =&gt; transfer is done and znodes are already deleted</em>
+<a class="jxr_linenumber" name="195" href="#195">195</a>       <em class="jxr_comment">// NodeExists =&gt; lock znode already created by another RS</em>
+<a class="jxr_linenumber" name="196" href="#196">196</a>       <strong class="jxr_keyword">if</strong> (e instanceof KeeperException.NoNodeException
+<a class="jxr_linenumber" name="197" href="#197">197</a>           || e instanceof KeeperException.NodeExistsException) {
+<a class="jxr_linenumber" name="198" href="#198">198</a>         LOG.info(<span class="jxr_string">"Won't transfer the queue,"</span> + <span class="jxr_string">" another RS took care of it because of: "</span>
+<a class="jxr_linenumber" name="199" href="#199">199</a>             + e.getMessage());
+<a class="jxr_linenumber" name="200" href="#200">200</a>       } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="201" href="#201">201</a>         LOG.info(<span class="jxr_string">"Failed lock other rs"</span>, e);
+<a class="jxr_linenumber" name="202" href="#202">202</a>       }
+<a class="jxr_linenumber" name="203" href="#203">203</a>       <strong class="jxr_keyword">return</strong> false;
+<a class="jxr_linenumber" name="204" href="#204">204</a>     }
+<a class="jxr_linenumber" name="205" href="#205">205</a>     <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="206" href="#206">206</a>   }
+<a class="jxr_linenumber" name="207" href="#207">207</a> 
+<a class="jxr_linenumber" name="208" href="#208">208</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="209" href="#209">209</a> <em class="jxr_javadoccomment">   * Delete all the replication queues for a given region server.</em>
+<a class="jxr_linenumber" name="210" href="#210">210</a> <em class="jxr_javadoccomment">   * @param regionserverZnode The znode of the region server to delete.</em>
+<a class="jxr_linenumber" name="211" href="#211">211</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="212" href="#212">212</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> deleteAnotherRSQueues(String regionserverZnode) {
+<a class="jxr_linenumber" name="213" href="#213">213</a>     String fullpath = ZKUtil.joinZNode(<strong class="jxr_keyword">this</strong>.queuesZNode, regionserverZnode);
+<a class="jxr_linenumber" name="214" href="#214">214</a>     <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="215" href="#215">215</a>       List&lt;String&gt; clusters = ZKUtil.listChildrenNoWatch(<strong class="jxr_keyword">this</strong>.zookeeper, fullpath);
+<a class="jxr_linenumber" name="216" href="#216">216</a>       <strong class="jxr_keyword">for</strong> (String cluster : clusters) {
+<a class="jxr_linenumber" name="217" href="#217">217</a>         <em class="jxr_comment">// No need to delete, it will be deleted later.</em>
+<a class="jxr_linenumber" name="218" href="#218">218</a>         <strong class="jxr_keyword">if</strong> (cluster.equals(RS_LOCK_ZNODE)) {
+<a class="jxr_linenumber" name="219" href="#219">219</a>           <strong class="jxr_keyword">continue</strong>;
+<a class="jxr_linenumber" name="220" href="#220">220</a>         }
+<a class="jxr_linenumber" name="221" href="#221">221</a>         String fullClusterPath = ZKUtil.joinZNode(fullpath, cluster);
+<a class="jxr_linenumber" name="222" href="#222">222</a>         ZKUtil.deleteNodeRecursively(<strong class="jxr_keyword">this</strong>.zookeeper, fullClusterPath);
+<a class="jxr_linenumber" name="223" href="#223">223</a>       }
+<a class="jxr_linenumber" name="224" href="#224">224</a>       <em class="jxr_comment">// Finish cleaning up</em>
+<a class="jxr_linenumber" name="225" href="#225">225</a>       ZKUtil.deleteNodeRecursively(<strong class="jxr_keyword">this</strong>.zookeeper, fullpath);
+<a class="jxr_linenumber" name="226" href="#226">226</a>     } <strong class="jxr_keyword">catch</strong> (KeeperException e) {
+<a class="jxr_linenumber" name="227" href="#227">227</a>       <strong class="jxr_keyword">if</strong> (e instanceof KeeperException.NoNodeException
+<a class="jxr_linenumber" name="228" href="#228">228</a>           || e instanceof KeeperException.NotEmptyException) {
+<a class="jxr_linenumber" name="229" href="#229">229</a>         <em class="jxr_comment">// Testing a special case where another region server was able to</em>
+<a class="jxr_linenumber" name="230" href="#230">230</a>         <em class="jxr_comment">// create a lock just after we deleted it, but then was also able to</em>
+<a class="jxr_linenumber" name="231" href="#231">231</a>         <em class="jxr_comment">// delete the RS znode before us or its lock znode is still there.</em>
+<a class="jxr_linenumber" name="232" href="#232">232</a>         <strong class="jxr_keyword">if</strong> (e.getPath().equals(fullpath)) {
+<a class="jxr_linenumber" name="233" href="#233">233</a>           <strong class="jxr_keyword">return</strong>;
+<a class="jxr_linenumber" name="234" href="#234">234</a>         }
+<a class="jxr_linenumber" name="235" href="#235">235</a>       }
+<a class="jxr_linenumber" name="236" href="#236">236</a>       <strong class="jxr_keyword">this</strong>.abortable.abort(<span class="jxr_string">"Failed to delete replication queues for region server: "</span>
+<a class="jxr_linenumber" name="237" href="#237">237</a>           + regionserverZnode, e);
+<a class="jxr_linenumber" name="238" href="#238">238</a>     }
+<a class="jxr_linenumber" name="239" href="#239">239</a>   }
+<a class="jxr_linenumber" name="240" href="#240">240</a> 
+<a class="jxr_linenumber" name="241" href="#241">241</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="242" href="#242">242</a> <em class="jxr_javadoccomment">   * It "atomically" copies all the hlogs queues from another region server and returns them all</em>
+<a class="jxr_linenumber" name="243" href="#243">243</a> <em class="jxr_javadoccomment">   * sorted per peer cluster (appended with the dead server's znode).</em>
+<a class="jxr_linenumber" name="244" href="#244">244</a> <em class="jxr_javadoccomment">   * @param znode pertaining to the region server to copy the queues from</em>
+<a class="jxr_linenumber" name="245" href="#245">245</a> <em class="jxr_javadoccomment">   * @return HLog queues sorted per peer cluster</em>
+<a class="jxr_linenumber" name="246" href="#246">246</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="247" href="#247">247</a>   <strong class="jxr_keyword">private</strong> SortedMap&lt;String, SortedSet&lt;String&gt;&gt; copyQueuesFromRSUsingMulti(String znode) {
+<a class="jxr_linenumber" name="248" href="#248">248</a>     SortedMap&lt;String, SortedSet&lt;String&gt;&gt; queues = <strong class="jxr_keyword">new</strong> TreeMap&lt;String, SortedSet&lt;String&gt;&gt;();
+<a class="jxr_linenumber" name="249" href="#249">249</a>     <em class="jxr_comment">// hbase/replication/rs/deadrs</em>
+<a class="jxr_linenumber" name="250" href="#250">250</a>     String deadRSZnodePath = ZKUtil.joinZNode(<strong class="jxr_keyword">this</strong>.queuesZNode, znode);
+<a class="jxr_linenumber" name="251" href="#251">251</a>     List&lt;String&gt; peerIdsToProcess = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="252" href="#252">252</a>     List&lt;ZKUtilOp&gt; listOfOps = <strong class="jxr_keyword">new</strong> ArrayList&lt;ZKUtil.ZKUtilOp&gt;();
+<a class="jxr_linenumber" name="253" href="#253">253</a>     <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="254" href="#254">254</a>       peerIdsToProcess = ZKUtil.listChildrenNoWatch(<strong class="jxr_keyword">this</strong>.zookeeper, deadRSZnodePath);
+<a class="jxr_linenumber" name="255" href="#255">255</a>       <strong class="jxr_keyword">if</strong> (peerIdsToProcess == <strong class="jxr_keyword">null</strong>) <strong class="jxr_keyword">return</strong> queues; <em class="jxr_comment">// node already processed</em>
+<a class="jxr_linenumber" name="256" href="#256">256</a>       <strong class="jxr_keyword">for</strong> (String peerId : peerIdsToProcess) {
+<a class="jxr_linenumber" name="257" href="#257">257</a>         String newPeerId = peerId + <span class="jxr_string">"-"</span> + znode;
+<a class="jxr_linenumber" name="258" href="#258">258</a>         String newPeerZnode = ZKUtil.joinZNode(<strong class="jxr_keyword">this</strong>.myQueuesZnode, newPeerId);
+<a class="jxr_linenumber" name="259" href="#259">259</a>         <em class="jxr_comment">// check the logs queue for the old peer cluster</em>
+<a class="jxr_linenumber" name="260" href="#260">260</a>         String oldClusterZnode = ZKUtil.joinZNode(deadRSZnodePath, peerId);
+<a class="jxr_linenumber" name="261" href="#261">261</a>         List&lt;String&gt; hlogs = ZKUtil.listChildrenNoWatch(<strong class="jxr_keyword">this</strong>.zookeeper, oldClusterZnode);
+<a class="jxr_linenumber" name="262" href="#262">262</a>         <strong class="jxr_keyword">if</strong> (hlogs == <strong class="jxr_keyword">null</strong> || hlogs.size() == 0) {
+<a class="jxr_linenumber" name="263" href="#263">263</a>           listOfOps.add(ZKUtilOp.deleteNodeFailSilent(oldClusterZnode));
+<a class="jxr_linenumber" name="264" href="#264">264</a>           <strong class="jxr_keyword">continue</strong>; <em class="jxr_comment">// empty log queue.</em>
+<a class="jxr_linenumber" name="265" href="#265">265</a>         }
+<a class="jxr_linenumber" name="266" href="#266">266</a>         <em class="jxr_comment">// create the new cluster znode</em>
+<a class="jxr_linenumber" name="267" href="#267">267</a>         SortedSet&lt;String&gt; logQueue = <strong class="jxr_keyword">new</strong> TreeSet&lt;String&gt;();
+<a class="jxr_linenumber" name="268" href="#268">268</a>         queues.put(newPeerId, logQueue);
+<a class="jxr_linenumber" name="269" href="#269">269</a>         <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZKUtil.html">ZKUtilOp</a> op = ZKUtilOp.createAndFailSilent(newPeerZnode, HConstants.EMPTY_BYTE_ARRAY);
+<a class="jxr_linenumber" name="270" href="#270">270</a>         listOfOps.add(op);
+<a class="jxr_linenumber" name="271" href="#271">271</a>         <em class="jxr_comment">// get the offset of the logs and set it to new znodes</em>
+<a class="jxr_linenumber" name="272" href="#272">272</a>         <strong class="jxr_keyword">for</strong> (String hlog : hlogs) {
+<a class="jxr_linenumber" name="273" href="#273">273</a>           String oldHlogZnode = ZKUtil.joinZNode(oldClusterZnode, hlog);
+<a class="jxr_linenumber" name="274" href="#274">274</a>           byte[] logOffset = ZKUtil.getData(<strong class="jxr_keyword">this</strong>.zookeeper, oldHlogZnode);
+<a class="jxr_linenumber" name="275" href="#275">275</a>           LOG.debug(<span class="jxr_string">"Creating "</span> + hlog + <span class="jxr_string">" with data "</span> + Bytes.toString(logOffset));
+<a class="jxr_linenumber" name="276" href="#276">276</a>           String newLogZnode = ZKUtil.joinZNode(newPeerZnode, hlog);
+<a class="jxr_linenumber" name="277" href="#277">277</a>           listOfOps.add(ZKUtilOp.createAndFailSilent(newLogZnode, logOffset));
+<a class="jxr_linenumber" name="278" href="#278">278</a>           <em class="jxr_comment">// add ops for deleting</em>
+<a class="jxr_linenumber" name="279" href="#279">279</a>           listOfOps.add(ZKUtilOp.deleteNodeFailSilent(oldHlogZnode));
+<a class="jxr_linenumber" name="280" href="#280">280</a>           logQueue.add(hlog);
+<a class="jxr_linenumber" name="281" href="#281">281</a>         }
+<a class="jxr_linenumber" name="282" href="#282">282</a>         <em class="jxr_comment">// add delete op for peer</em>
+<a class="jxr_linenumber" name="283" href="#283">283</a>         listOfOps.add(ZKUtilOp.deleteNodeFailSilent(oldClusterZnode));
+<a class="jxr_linenumber" name="284" href="#284">284</a>       }
+<a class="jxr_linenumber" name="285" href="#285">285</a>       <em class="jxr_comment">// add delete op for dead rs</em>
+<a class="jxr_linenumber" name="286" href="#286">286</a>       listOfOps.add(ZKUtilOp.deleteNodeFailSilent(deadRSZnodePath));
+<a class="jxr_linenumber" name="287" href="#287">287</a>       LOG.debug(<span class="jxr_string">" The multi list size is: "</span> + listOfOps.size());
+<a class="jxr_linenumber" name="288" href="#288">288</a>       ZKUtil.multiOrSequential(<strong class="jxr_keyword">this</strong>.zookeeper, listOfOps, false);
+<a class="jxr_linenumber" name="289" href="#289">289</a>       LOG.info(<span class="jxr_string">"Atomically moved the dead regionserver logs. "</span>);
+<a class="jxr_linenumber" name="290" href="#290">290</a>     } <strong class="jxr_keyword">catch</strong> (KeeperException e) {
+<a class="jxr_linenumber" name="291" href="#291">291</a>       <em class="jxr_comment">// Multi call failed; it looks like some other regionserver took away the logs.</em>
+<a class="jxr_linenumber" name="292" href="#292">292</a>       LOG.warn(<span class="jxr_string">"Got exception in copyQueuesFromRSUsingMulti: "</span>, e);
+<a class="jxr_linenumber" name="293" href="#293">293</a>       queues.clear();
+<a class="jxr_linenumber" name="294" href="#294">294</a>     }
+<a class="jxr_linenumber" name="295" href="#295">295</a>     <strong class="jxr_keyword">return</strong> queues;
+<a class="jxr_linenumber" name="296" href="#296">296</a>   }
+<a class="jxr_linenumber" name="297" href="#297">297</a> 
+<a class="jxr_linenumber" name="298" href="#298">298</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="299" href="#299">299</a> <em class="jxr_javadoccomment">   * This methods copies all the hlogs queues from another region server and returns them all sorted</em>
+<a class="jxr_linenumber" name="300" href="#300">300</a> <em class="jxr_javadoccomment">   * per peer cluster (appended with the dead server's znode)</em>
+<a class="jxr_linenumber" name="301" href="#301">301</a> <em class="jxr_javadoccomment">   * @param znode server names to copy</em>
+<a class="jxr_linenumber" name="302" href="#302">302</a> <em class="jxr_javadoccomment">   * @return all hlogs for all peers of that cluster, null if an error occurred</em>
+<a class="jxr_linenumber" name="303" href="#303">303</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="304" href="#304">304</a>   <strong class="jxr_keyword">private</strong> SortedMap&lt;String, SortedSet&lt;String&gt;&gt; copyQueuesFromRS(String znode) {
+<a class="jxr_linenumber" name="305" href="#305">305</a>     <em class="jxr_comment">// TODO this method isn't atomic enough, we could start copying and then</em>
+<a class="jxr_linenumber" name="306" href="#306">306</a>     <em class="jxr_comment">// TODO fail for some reason and we would end up with znodes we don't want.</em>
+<a class="jxr_linenumber" name="307" href="#307">307</a>     SortedMap&lt;String, SortedSet&lt;String&gt;&gt; queues = <strong class="jxr_keyword">new</strong> TreeMap&lt;String, SortedSet&lt;String&gt;&gt;();
+<a class="jxr_linenumber" name="308" href="#308">308</a>     <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="309" href="#309">309</a>       String nodePath = ZKUtil.joinZNode(<strong class="jxr_keyword">this</strong>.queuesZNode, znode);
+<a class="jxr_linenumber" name="310" href="#310">310</a>       List&lt;String&gt; clusters = ZKUtil.listChildrenNoWatch(<strong class="jxr_keyword">this</strong>.zookeeper, nodePath);
+<a class="jxr_linenumber" name="311" href="#311">311</a>       <em class="jxr_comment">// We have a lock znode in there, it will count as one.</em>
+<a class="jxr_linenumber" name="312" href="#312">312</a>       <strong class="jxr_keyword">if</strong> (clusters == <strong class="jxr_keyword">null</strong> || clusters.size() &lt;= 1) {
+<a class="jxr_linenumber" name="313" href="#313">313</a>         <strong class="jxr_keyword">return</strong> queues;
+<a class="jxr_linenumber" name="314" href="#314">314</a>       }
+<a class="jxr_linenumber" name="315" href="#315">315</a>       <em class="jxr_comment">// The lock isn't a peer cluster, remove it</em>
+<a class="jxr_linenumber" name="316" href="#316">316</a>       clusters.remove(RS_LOCK_ZNODE);
+<a class="jxr_linenumber" name="317" href="#317">317</a>       <strong class="jxr_keyword">for</strong> (String cluster : clusters) {
+<a class="jxr_linenumber" name="318" href="#318">318</a>         <em class="jxr_comment">// We add the name of the recovered RS to the new znode, we can even</em>
+<a class="jxr_linenumber" name="319" href="#319">319</a>         <em class="jxr_comment">// do that for queues that were recovered 10 times giving a znode like</em>
+<a class="jxr_linenumber" name="320" href="#320">320</a>         <em class="jxr_comment">// number-startcode-number-otherstartcode-number-anotherstartcode-etc</em>
+<a class="jxr_linenumber" name="321" href="#321">321</a>         String newCluster = cluster + <span class="jxr_string">"-"</span> + znode;
+<a class="jxr_linenumber" name="322" href="#322">322</a>         String newClusterZnode = ZKUtil.joinZNode(<strong class="jxr_keyword">this</strong>.myQueuesZnode, newCluster);
+<a class="jxr_linenumber" name="323" href="#323">323</a>         String clusterPath = ZKUtil.joinZNode(nodePath, cluster);
+<a class="jxr_linenumber" name="324" href="#324">324</a>         List&lt;String&gt; hlogs = ZKUtil.listChildrenNoWatch(<strong class="jxr_keyword">this</strong>.zookeeper, clusterPath);
+<a class="jxr_linenumber" name="325" href="#325">325</a>         <em class="jxr_comment">// That region server didn't have anything to replicate for this cluster</em>
+<a class="jxr_linenumber" name="326" href="#326">326</a>         <strong class="jxr_keyword">if</strong> (hlogs == <strong class="jxr_keyword">null</strong> || hlogs.size() == 0) {
+<a class="jxr_linenumber" name="327" href="#327">327</a>           <strong class="jxr_keyword">continue</strong>;
+<a class="jxr_linenumber" name="328" href="#328">328</a>         }
+<a class="jxr_linenumber" name="329" href="#329">329</a>         ZKUtil.createNodeIfNotExistsAndWatch(<strong class="jxr_keyword">this</strong>.zookeeper, newClusterZnode,
+<a class="jxr_linenumber" name="330" href="#330">330</a>           HConstants.EMPTY_BYTE_ARRAY);
+<a class="jxr_linenumber" name="331" href="#331">331</a>         SortedSet&lt;String&gt; logQueue = <strong class="jxr_keyword">new</strong> TreeSet&lt;String&gt;();
+<a class="jxr_linenumber" name="332" href="#332">332</a>         queues.put(newCluster, logQueue);
+<a class="jxr_linenumber" name="333" href="#333">333</a>         <strong class="jxr_keyword">for</strong> (String hlog : hlogs) {
+<a class="jxr_linenumber" name="334" href="#334">334</a>           String z = ZKUtil.joinZNode(clusterPath, hlog);
+<a class="jxr_linenumber" name="335" href="#335">335</a>           byte[] positionBytes = ZKUtil.getData(<strong class="jxr_keyword">this</strong>.zookeeper, z);
+<a class="jxr_linenumber" name="336" href="#336">336</a>           <strong class="jxr_keyword">long</strong> position = 0;
+<a class="jxr_linenumber" name="337" href="#337">337</a>           <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="338" href="#338">338</a>             position = parseHLogPositionFrom(positionBytes);
+<a class="jxr_linenumber" name="339" href="#339">339</a>           } <strong class="jxr_keyword">catch</strong> (DeserializationException e) {
+<a class="jxr_linenumber" name="340" href="#340">340</a>             LOG.warn(<span class="jxr_string">"Failed parse of hlog position from the following znode: "</span> + z);
+<a class="jxr_linenumber" name="341" href="#341">341</a>           }
+<a class="jxr_linenumber" name="342" href="#342">342</a>           LOG.debug(<span class="jxr_string">"Creating "</span> + hlog + <span class="jxr_string">" with data "</span> + position);
+<a class="jxr_linenumber" name="343" href="#343">343</a>           String child = ZKUtil.joinZNode(newClusterZnode, hlog);
+<a class="jxr_linenumber" name="344" href="#344">344</a>           <em class="jxr_comment">// Position doesn't actually change, we are just deserializing it for</em>
+<a class="jxr_linenumber" name="345" href="#345">345</a>           <em class="jxr_comment">// logging, so just use the already serialized version</em>
+<a class="jxr_linenumber" name="346" href="#346">346</a>           ZKUtil.createAndWatch(<strong class="jxr_keyword">this</strong>.zookeeper, child, positionBytes);
+<a class="jxr_linenumber" name="347" href="#347">347</a>           logQueue.add(hlog);
+<a class="jxr_linenumber" name="348" href="#348">348</a>         }
+<a class="jxr_linenumber" name="349" href="#349">349</a>       }
+<a class="jxr_linenumber" name="350" href="#350">350</a>     } <strong class="jxr_keyword">catch</strong> (KeeperException e) {
+<a class="jxr_linenumber" name="351" href="#351">351</a>       <strong class="jxr_keyword">this</strong>.abortable.abort(<span class="jxr_string">"Copy queues from rs"</span>, e);
+<a class="jxr_linenumber" name="352" href="#352">352</a>     }
+<a class="jxr_linenumber" name="353" href="#353">353</a>     <strong class="jxr_keyword">return</strong> queues;
+<a class="jxr_linenumber" name="354" href="#354">354</a>   }
+<a class="jxr_linenumber" name="355" href="#355">355</a> 
+<a class="jxr_linenumber" name="356" href="#356">356</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="357" href="#357">357</a> <em class="jxr_javadoccomment">   * @param lockOwner</em>
+<a class="jxr_linenumber" name="358" href="#358">358</a> <em class="jxr_javadoccomment">   * @return Serialized protobuf of &lt;code&gt;lockOwner&lt;/code&gt; with pb magic prefix prepended suitable</em>
+<a class="jxr_linenumber" name="359" href="#359">359</a> <em class="jxr_javadoccomment">   *         for use as content of an replication lock during region server fail over.</em>
+<a class="jxr_linenumber" name="360" href="#360">360</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="361" href="#361">361</a>   <strong class="jxr_keyword">static</strong> byte[] lockToByteArray(<strong class="jxr_keyword">final</strong> String lockOwner) {
+<a class="jxr_linenumber" name="362" href="#362">362</a>     byte[] bytes =
+<a class="jxr_linenumber" name="363" href="#363">363</a>         ZooKeeperProtos.ReplicationLock.newBuilder().setLockOwner(lockOwner).build().toByteArray();
+<a class="jxr_linenumber" name="364" href="#364">364</a>     <strong class="jxr_keyword">return</strong> ProtobufUtil.prependPBMagic(bytes);
+<a class="jxr_linenumber" name="365" href="#365">365</a>   }
+<a class="jxr_linenumber" name="366" href="#366">366</a> 
+<a class="jxr_linenumber" name="367" href="#367">367</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="368" href="#368">368</a> <em class="jxr_javadoccomment">   * @param position</em>
+<a class="jxr_linenumber" name="369" href="#369">369</a> <em class="jxr_javadoccomment">   * @return Serialized protobuf of &lt;code&gt;position&lt;/code&gt; with pb magic prefix prepended suitable</em>
+<a class="jxr_linenumber" name="370" href="#370">370</a> <em class="jxr_javadoccomment">   *         for use as content of an hlog position in a replication queue.</em>
+<a class="jxr_linenumber" name="371" href="#371">371</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="372" href="#372">372</a>   <strong class="jxr_keyword">static</strong> byte[] toByteArray(<strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> position) {
+<a class="jxr_linenumber" name="373" href="#373">373</a>     byte[] bytes =
+<a class="jxr_linenumber" name="374" href="#374">374</a>         ZooKeeperProtos.ReplicationHLogPosition.newBuilder().setPosition(position).build()
+<a class="jxr_linenumber" name="375" href="#375">375</a>             .toByteArray();
+<a class="jxr_linenumber" name="376" href="#376">376</a>     <strong class="jxr_keyword">return</strong> ProtobufUtil.prependPBMagic(bytes);
+<a class="jxr_linenumber" name="377" href="#377">377</a>   }
+<a class="jxr_linenumber" name="378" href="#378">378</a> 
+<a class="jxr_linenumber" name="379" href="#379">379</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="380" href="#380">380</a> <em class="jxr_javadoccomment">   * @param bytes - Content of a HLog position znode.</em>
+<a class="jxr_linenumber" name="381" href="#381">381</a> <em class="jxr_javadoccomment">   * @return long - The current HLog position.</em>
+<a class="jxr_linenumber" name="382" href="#382">382</a> <em class="jxr_javadoccomment">   * @throws DeserializationException</em>
+<a class="jxr_linenumber" name="383" href="#383">383</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="384" href="#384">384</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> parseHLogPositionFrom(<strong class="jxr_keyword">final</strong> byte[] bytes) <strong class="jxr_keyword">throws</strong> DeserializationException {
+<a class="jxr_linenumber" name="385" href="#385">385</a>     <strong class="jxr_keyword">if</strong> (ProtobufUtil.isPBMagicPrefix(bytes)) {
+<a class="jxr_linenumber" name="386" href="#386">386</a>       <strong class="jxr_keyword">int</strong> pblen = ProtobufUtil.lengthOfPBMagic();
+<a class="jxr_linenumber" name="387" href="#387">387</a>       ZooKeeperProtos.ReplicationHLogPosition.Builder builder =
+<a class="jxr_linenumber" name="388" href="#388">388</a>           ZooKeeperProtos.ReplicationHLogPosition.newBuilder();
+<a class="jxr_linenumber" name="389" href="#389">389</a>       ZooKeeperProtos.ReplicationHLogPosition position;
+<a class="jxr_linenumber" name="390" href="#390">390</a>       <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="391" href="#391">391</a>         position = builder.mergeFrom(bytes, pblen, bytes.length - pblen).build();
+<a class="jxr_linenumber" name="392" href="#392">392</a>       } <strong class="jxr_keyword">catch</strong> (InvalidProtocolBufferException e) {
+<a class="jxr_linenumber" name="393" href="#393">393</a>         <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html">DeserializationException</a>(e);
+<a class="jxr_linenumber" name="394" href="#394">394</a>       }
+<a class="jxr_linenumber" name="395" href="#395">395</a>       <strong class="jxr_keyword">return</strong> position.getPosition();
+<a class="jxr_linenumber" name="396" href="#396">396</a>     } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="397" href="#397">397</a>       <strong class="jxr_keyword">if</strong> (bytes.length &gt; 0) {
+<a class="jxr_linenumber" name="398" href="#398">398</a>         <strong class="jxr_keyword">return</strong> Bytes.toLong(bytes);
+<a class="jxr_linenumber" name="399" href="#399">399</a>       }
+<a class="jxr_linenumber" name="400" href="#400">400</a>       <strong class="jxr_keyword">return</strong> 0;
+<a class="jxr_linenumber" name="401" href="#401">401</a>     }
+<a class="jxr_linenumber" name="402" href="#402">402</a>   }
+<a class="jxr_linenumber" name="403" href="#403">403</a> }
+</pre>
+<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
+</html>
+

Added: hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/replication/ReplicationStateZKBase.html
URL: http://svn.apache.org/viewvc/hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/replication/ReplicationStateZKBase.html?rev=1465201&view=auto
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--- hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/replication/ReplicationStateZKBase.html (added)
+++ hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/replication/ReplicationStateZKBase.html Sat Apr  6 06:09:45 2013
@@ -0,0 +1,95 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
+<title>ReplicationStateZKBase xref</title>
+<link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" />
+</head>
+<body>
+<div id="overview"><a href="../../../../../../../../../hbase.apache.org/trunk/localhost/tmp/apidocs/org/apache/hadoop/hbase/replication/ReplicationStateZKBase.html">View Javadoc</a></div><pre>
+
+<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
+<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * or more contributor license agreements.  See the NOTICE file</em>
+<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * distributed with this work for additional information</em>
+<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * regarding copyright ownership.  The ASF licenses this file</em>
+<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em>
+<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
+<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> * with the License.  You may obtain a copy of the License at</em>
+<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> *     <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
+<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
+<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
+<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
+<a class="jxr_linenumber" name="16" href="#16">16</a>  <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
+<a class="jxr_linenumber" name="17" href="#17">17</a>  <em class="jxr_comment"> * limitations under the License.</em>
+<a class="jxr_linenumber" name="18" href="#18">18</a>  <em class="jxr_comment"> */</em>
+<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">package</strong> org.apache.hadoop.hbase.replication;
+<a class="jxr_linenumber" name="20" href="#20">20</a>  
+<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> java.util.List;
+<a class="jxr_linenumber" name="22" href="#22">22</a>  
+<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.conf.Configuration;
+<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.Abortable;
+<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.zookeeper.ZKUtil;
+<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
+<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.apache.zookeeper.KeeperException;
+<a class="jxr_linenumber" name="28" href="#28">28</a>  
+<a class="jxr_linenumber" name="29" href="#29">29</a>  
+<a class="jxr_linenumber" name="30" href="#30">30</a>  <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="31" href="#31">31</a>  <em class="jxr_javadoccomment"> * This is a base class for maintaining replication state in zookeeper.</em>
+<a class="jxr_linenumber" name="32" href="#32">32</a>  <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateZKBase.html">ReplicationStateZKBase</a> {
+<a class="jxr_linenumber" name="34" href="#34">34</a>  
+<a class="jxr_linenumber" name="35" href="#35">35</a>    <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment">   * The name of the znode that contains the replication status of a remote slave (i.e. peer)</em>
+<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment">   * cluster.</em>
+<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="39" href="#39">39</a>    <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> String peerStateNodeName;
+<a class="jxr_linenumber" name="40" href="#40">40</a>    <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> The name of the znode that contains the replication status of the local cluster. */</em>
+<a class="jxr_linenumber" name="41" href="#41">41</a>    <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> String stateZNode;
+<a class="jxr_linenumber" name="42" href="#42">42</a>    <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> The name of the base znode that contains all replication state. */</em>
+<a class="jxr_linenumber" name="43" href="#43">43</a>    <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> String replicationZNode;
+<a class="jxr_linenumber" name="44" href="#44">44</a>    <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> The name of the znode that contains a list of all remote slave (i.e. peer) clusters. */</em>
+<a class="jxr_linenumber" name="45" href="#45">45</a>    <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> String peersZNode;
+<a class="jxr_linenumber" name="46" href="#46">46</a>    <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> The name of the znode that contains all replication queues */</em>
+<a class="jxr_linenumber" name="47" href="#47">47</a>    <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> String queuesZNode;
+<a class="jxr_linenumber" name="48" href="#48">48</a>    <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> The cluster key of the local cluster */</em>
+<a class="jxr_linenumber" name="49" href="#49">49</a>    <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> String ourClusterKey;
+<a class="jxr_linenumber" name="50" href="#50">50</a>    <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.html">ZooKeeperWatcher</a> zookeeper;
+<a class="jxr_linenumber" name="51" href="#51">51</a>    <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> Configuration conf;
+<a class="jxr_linenumber" name="52" href="#52">52</a>    <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/Abortable.html">Abortable</a> abortable;
+<a class="jxr_linenumber" name="53" href="#53">53</a>  
+<a class="jxr_linenumber" name="54" href="#54">54</a>    <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateZKBase.html">ReplicationStateZKBase</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.html">ZooKeeperWatcher</a> zookeeper, Configuration conf, 
+<a class="jxr_linenumber" name="55" href="#55">55</a>        <a href="../../../../../org/apache/hadoop/hbase/Abortable.html">Abortable</a> abortable) {
+<a class="jxr_linenumber" name="56" href="#56">56</a>      <strong class="jxr_keyword">this</strong>.zookeeper = zookeeper;
+<a class="jxr_linenumber" name="57" href="#57">57</a>      <strong class="jxr_keyword">this</strong>.conf = conf;
+<a class="jxr_linenumber" name="58" href="#58">58</a>      <strong class="jxr_keyword">this</strong>.abortable = abortable;
+<a class="jxr_linenumber" name="59" href="#59">59</a>  
+<a class="jxr_linenumber" name="60" href="#60">60</a>      String replicationZNodeName = conf.get(<span class="jxr_string">"zookeeper.znode.replication"</span>, <span class="jxr_string">"replication"</span>);
+<a class="jxr_linenumber" name="61" href="#61">61</a>      String peersZNodeName = conf.get(<span class="jxr_string">"zookeeper.znode.replication.peers"</span>, <span class="jxr_string">"peers"</span>);
+<a class="jxr_linenumber" name="62" href="#62">62</a>      String queuesZNodeName = conf.get(<span class="jxr_string">"zookeeper.znode.replication.rs"</span>, <span class="jxr_string">"rs"</span>);
+<a class="jxr_linenumber" name="63" href="#63">63</a>      String stateZNodeName = conf.get(<span class="jxr_string">"zookeeper.znode.replication.state"</span>, <span class="jxr_string">"state"</span>);
+<a class="jxr_linenumber" name="64" href="#64">64</a>      <strong class="jxr_keyword">this</strong>.peerStateNodeName = conf.get(<span class="jxr_string">"zookeeper.znode.replication.peers.state"</span>, <span class="jxr_string">"peer-state"</span>);
+<a class="jxr_linenumber" name="65" href="#65">65</a>      <strong class="jxr_keyword">this</strong>.ourClusterKey = ZKUtil.getZooKeeperClusterKey(<strong class="jxr_keyword">this</strong>.conf);
+<a class="jxr_linenumber" name="66" href="#66">66</a>      <strong class="jxr_keyword">this</strong>.replicationZNode = ZKUtil.joinZNode(<strong class="jxr_keyword">this</strong>.zookeeper.baseZNode, replicationZNodeName);
+<a class="jxr_linenumber" name="67" href="#67">67</a>      <strong class="jxr_keyword">this</strong>.stateZNode = ZKUtil.joinZNode(replicationZNode, stateZNodeName);
+<a class="jxr_linenumber" name="68" href="#68">68</a>      <strong class="jxr_keyword">this</strong>.peersZNode = ZKUtil.joinZNode(replicationZNode, peersZNodeName);
+<a class="jxr_linenumber" name="69" href="#69">69</a>      <strong class="jxr_keyword">this</strong>.queuesZNode = ZKUtil.joinZNode(replicationZNode, queuesZNodeName);
+<a class="jxr_linenumber" name="70" href="#70">70</a>    }
+<a class="jxr_linenumber" name="71" href="#71">71</a>  
+<a class="jxr_linenumber" name="72" href="#72">72</a>    <strong class="jxr_keyword">public</strong> List&lt;String&gt; getListOfReplicators() {
+<a class="jxr_linenumber" name="73" href="#73">73</a>      List&lt;String&gt; result = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="74" href="#74">74</a>      <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="75" href="#75">75</a>        result = ZKUtil.listChildrenNoWatch(<strong class="jxr_keyword">this</strong>.zookeeper, <strong class="jxr_keyword">this</strong>.queuesZNode);
+<a class="jxr_linenumber" name="76" href="#76">76</a>      } <strong class="jxr_keyword">catch</strong> (KeeperException e) {
+<a class="jxr_linenumber" name="77" href="#77">77</a>        <strong class="jxr_keyword">this</strong>.abortable.abort(<span class="jxr_string">"Failed to get list of replicators"</span>, e);
+<a class="jxr_linenumber" name="78" href="#78">78</a>      }
+<a class="jxr_linenumber" name="79" href="#79">79</a>      <strong class="jxr_keyword">return</strong> result;
+<a class="jxr_linenumber" name="80" href="#80">80</a>    }
+<a class="jxr_linenumber" name="81" href="#81">81</a>  }
+</pre>
+<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
+</html>
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