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-<div id="overview"><a href="../../../../../testdevapidocs/org/apache/hadoop/hbase/HBaseCluster.html">View Javadoc</a></div><pre>
-
-<a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_javadoccomment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
-<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_javadoccomment"> * or more contributor license agreements. See the NOTICE file</em>
-<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_javadoccomment"> * distributed with this work for additional information</em>
-<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_javadoccomment"> * regarding copyright ownership. The ASF licenses this file</em>
-<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_javadoccomment"> * to you under the Apache License, Version 2.0 (the</em>
-<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_javadoccomment"> * "License"); you may not use this file except in compliance</em>
-<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_javadoccomment"> * with the License. You may obtain a copy of the License at</em>
-<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_javadoccomment"> * <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="11" href="#11">11</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_javadoccomment"> * Unless required by applicable law or agreed to in writing, software</em>
-<a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_javadoccomment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
-<a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_javadoccomment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
-<a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_javadoccomment"> * See the License for the specific language governing permissions and</em>
-<a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_javadoccomment"> * limitations under the License.</em>
-<a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="18" href="#18">18</a> <strong class="jxr_keyword">package</strong> org.apache.hadoop.hbase;
-<a class="jxr_linenumber" name="19" href="#19">19</a>
-<a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> java.io.Closeable;
-<a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> java.io.IOException;
-<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.commons.logging.Log;
-<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
-<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.classification.InterfaceAudience;
-<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.conf.Configurable;
-<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.conf.Configuration;
-<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.AdminService;
-<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.ClientService;
-<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.MasterService;
-<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Threads;
-<a class="jxr_linenumber" name="32" href="#32">32</a>
-<a class="jxr_linenumber" name="33" href="#33">33</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="34" href="#34">34</a> <em class="jxr_javadoccomment"> * This class defines methods that can help with managing HBase clusters</em>
-<a class="jxr_linenumber" name="35" href="#35">35</a> <em class="jxr_javadoccomment"> * from unit tests and system tests. There are 3 types of cluster deployments:</em>
-<a class="jxr_linenumber" name="36" href="#36">36</a> <em class="jxr_javadoccomment"> * <ul></em>
-<a class="jxr_linenumber" name="37" href="#37">37</a> <em class="jxr_javadoccomment"> * <li><b>MiniHBaseCluster:</b> each server is run in the same JVM in separate threads,</em>
-<a class="jxr_linenumber" name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * used by unit tests</li></em>
-<a class="jxr_linenumber" name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * <li><b>DistributedHBaseCluster:</b> the cluster is pre-deployed, system and integration tests can</em>
-<a class="jxr_linenumber" name="40" href="#40">40</a> <em class="jxr_javadoccomment"> * interact with the cluster. </li></em>
-<a class="jxr_linenumber" name="41" href="#41">41</a> <em class="jxr_javadoccomment"> * <li><b>ProcessBasedLocalHBaseCluster:</b> each server is deployed locally but in separate</em>
-<a class="jxr_linenumber" name="42" href="#42">42</a> <em class="jxr_javadoccomment"> * JVMs. </li></em>
-<a class="jxr_linenumber" name="43" href="#43">43</a> <em class="jxr_javadoccomment"> * </ul></em>
-<a class="jxr_linenumber" name="44" href="#44">44</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="45" href="#45">45</a> <em class="jxr_javadoccomment"> * HBaseCluster unifies the way tests interact with the cluster, so that the same test can</em>
-<a class="jxr_linenumber" name="46" href="#46">46</a> <em class="jxr_javadoccomment"> * be run against a mini-cluster during unit test execution, or a distributed cluster having</em>
-<a class="jxr_linenumber" name="47" href="#47">47</a> <em class="jxr_javadoccomment"> * tens/hundreds of nodes during execution of integration tests.</em>
-<a class="jxr_linenumber" name="48" href="#48">48</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="49" href="#49">49</a> <em class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="50" href="#50">50</a> <em class="jxr_javadoccomment"> * HBaseCluster exposes client-side public interfaces to tests, so that tests does not assume</em>
-<a class="jxr_linenumber" name="51" href="#51">51</a> <em class="jxr_javadoccomment"> * running in a particular mode. Not all the tests are suitable to be run on an actual cluster,</em>
-<a class="jxr_linenumber" name="52" href="#52">52</a> <em class="jxr_javadoccomment"> * and some tests will still need to mock stuff and introspect internal state. For those use</em>
-<a class="jxr_linenumber" name="53" href="#53">53</a> <em class="jxr_javadoccomment"> * cases from unit tests, or if more control is needed, you can use the subclasses directly.</em>
-<a class="jxr_linenumber" name="54" href="#54">54</a> <em class="jxr_javadoccomment"> * In that sense, this class does not abstract away <strong>every</strong> interface that</em>
-<a class="jxr_linenumber" name="55" href="#55">55</a> <em class="jxr_javadoccomment"> * MiniHBaseCluster or DistributedHBaseCluster provide.</em>
-<a class="jxr_linenumber" name="56" href="#56">56</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="57" href="#57">57</a> @InterfaceAudience.Private
-<a class="jxr_linenumber" name="58" href="#58">58</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/HBaseCluster.html">HBaseCluster</a> <strong class="jxr_keyword">implements</strong> Closeable, Configurable {
-<a class="jxr_linenumber" name="59" href="#59">59</a> <em class="jxr_comment">// Log is being used in DistributedHBaseCluster class, hence keeping it as package scope</em>
-<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(HBaseCluster.<strong class="jxr_keyword">class</strong>.getName());
-<a class="jxr_linenumber" name="61" href="#61">61</a> <strong class="jxr_keyword">protected</strong> Configuration conf;
-<a class="jxr_linenumber" name="62" href="#62">62</a>
-<a class="jxr_linenumber" name="63" href="#63">63</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> the status of the cluster before we begin */</em>
-<a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">protected</strong> ClusterStatus initialClusterStatus;
-<a class="jxr_linenumber" name="65" href="#65">65</a>
-<a class="jxr_linenumber" name="66" href="#66">66</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="67" href="#67">67</a> <em class="jxr_javadoccomment"> * Construct an HBaseCluster</em>
-<a class="jxr_linenumber" name="68" href="#68">68</a> <em class="jxr_javadoccomment"> * @param conf Configuration to be used for cluster</em>
-<a class="jxr_linenumber" name="69" href="#69">69</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/hadoop/hbase/HBaseCluster.html">HBaseCluster</a>(Configuration conf) {
-<a class="jxr_linenumber" name="71" href="#71">71</a> setConf(conf);
-<a class="jxr_linenumber" name="72" href="#72">72</a> }
-<a class="jxr_linenumber" name="73" href="#73">73</a>
-<a class="jxr_linenumber" name="74" href="#74">74</a> @Override
-<a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setConf(Configuration conf) {
-<a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">this</strong>.conf = conf;
-<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> Configuration getConf() {
-<a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">return</strong> conf;
-<a class="jxr_linenumber" name="82" href="#82">82</a> }
-<a class="jxr_linenumber" name="83" href="#83">83</a>
-<a class="jxr_linenumber" name="84" href="#84">84</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="85" href="#85">85</a> <em class="jxr_javadoccomment"> * Returns a ClusterStatus for this HBase cluster.</em>
-<a class="jxr_linenumber" name="86" href="#86">86</a> <em class="jxr_javadoccomment"> * @see #getInitialClusterStatus()</em>
-<a class="jxr_linenumber" name="87" href="#87">87</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> ClusterStatus getClusterStatus() <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="89" href="#89">89</a>
-<a class="jxr_linenumber" name="90" href="#90">90</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="91" href="#91">91</a> <em class="jxr_javadoccomment"> * Returns a ClusterStatus for this HBase cluster as observed at the</em>
-<a class="jxr_linenumber" name="92" href="#92">92</a> <em class="jxr_javadoccomment"> * starting of the HBaseCluster</em>
-<a class="jxr_linenumber" name="93" href="#93">93</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">public</strong> ClusterStatus getInitialClusterStatus() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">return</strong> initialClusterStatus;
-<a class="jxr_linenumber" name="96" href="#96">96</a> }
-<a class="jxr_linenumber" name="97" href="#97">97</a>
-<a class="jxr_linenumber" name="98" href="#98">98</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="99" href="#99">99</a> <em class="jxr_javadoccomment"> * Returns an {@link MasterService.BlockingInterface} to the active master</em>
-<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="101" href="#101">101</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> MasterService.BlockingInterface getMasterAdminService()
-<a class="jxr_linenumber" name="102" href="#102">102</a> <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="103" href="#103">103</a>
-<a class="jxr_linenumber" name="104" href="#104">104</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment"> * Returns an AdminProtocol interface to the regionserver</em>
-<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="107" href="#107">107</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> AdminService.BlockingInterface getAdminProtocol(ServerName serverName)
-<a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="109" href="#109">109</a>
-<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="111" href="#111">111</a> <em class="jxr_javadoccomment"> * Returns a ClientProtocol interface to the regionserver</em>
-<a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> ClientService.BlockingInterface getClientProtocol(ServerName serverName)
-<a class="jxr_linenumber" name="114" href="#114">114</a> <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="115" href="#115">115</a>
-<a class="jxr_linenumber" name="116" href="#116">116</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="117" href="#117">117</a> <em class="jxr_javadoccomment"> * Starts a new region server on the given hostname or if this is a mini/local cluster,</em>
-<a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_javadoccomment"> * starts a region server locally.</em>
-<a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_javadoccomment"> * @param hostname the hostname to start the regionserver on</em>
-<a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong</em>
-<a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="122" href="#122">122</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> startRegionServer(String hostname, <strong class="jxr_keyword">int</strong> port) <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="123" href="#123">123</a>
-<a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="125" href="#125">125</a> <em class="jxr_javadoccomment"> * Kills the region server process if this is a distributed cluster, otherwise</em>
-<a class="jxr_linenumber" name="126" href="#126">126</a> <em class="jxr_javadoccomment"> * this causes the region server to exit doing basic clean up only.</em>
-<a class="jxr_linenumber" name="127" href="#127">127</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong</em>
-<a class="jxr_linenumber" name="128" href="#128">128</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="129" href="#129">129</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> killRegionServer(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="130" href="#130">130</a>
-<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_javadoccomment"> * Stops the given region server, by attempting a gradual stop.</em>
-<a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_javadoccomment"> * @return whether the operation finished with success</em>
-<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong</em>
-<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="136" href="#136">136</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> stopRegionServer(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="137" href="#137">137</a>
-<a class="jxr_linenumber" name="138" href="#138">138</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="139" href="#139">139</a> <em class="jxr_javadoccomment"> * Wait for the specified region server to join the cluster</em>
-<a class="jxr_linenumber" name="140" href="#140">140</a> <em class="jxr_javadoccomment"> * @return whether the operation finished with success</em>
-<a class="jxr_linenumber" name="141" href="#141">141</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong or timeout occurs</em>
-<a class="jxr_linenumber" name="142" href="#142">142</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="143" href="#143">143</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> waitForRegionServerToStart(String hostname, <strong class="jxr_keyword">int</strong> port, <strong class="jxr_keyword">long</strong> timeout)
-<a class="jxr_linenumber" name="144" href="#144">144</a> <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="145" href="#145">145</a> <strong class="jxr_keyword">long</strong> start = System.currentTimeMillis();
-<a class="jxr_linenumber" name="146" href="#146">146</a> <strong class="jxr_keyword">while</strong> ((System.currentTimeMillis() - start) < timeout) {
-<a class="jxr_linenumber" name="147" href="#147">147</a> <strong class="jxr_keyword">for</strong> (ServerName server : getClusterStatus().getServers()) {
-<a class="jxr_linenumber" name="148" href="#148">148</a> <strong class="jxr_keyword">if</strong> (server.getHostname().equals(hostname) && server.getPort() == port) {
-<a class="jxr_linenumber" name="149" href="#149">149</a> <strong class="jxr_keyword">return</strong>;
-<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> Threads.sleep(100);
-<a class="jxr_linenumber" name="153" href="#153">153</a> }
-<a class="jxr_linenumber" name="154" href="#154">154</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"did timeout "</span> + timeout + <span class="jxr_string">"ms waiting for region server to start: "</span>
-<a class="jxr_linenumber" name="155" href="#155">155</a> + hostname);
-<a class="jxr_linenumber" name="156" href="#156">156</a> }
-<a class="jxr_linenumber" name="157" href="#157">157</a>
-<a class="jxr_linenumber" name="158" href="#158">158</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="159" href="#159">159</a> <em class="jxr_javadoccomment"> * Wait for the specified region server to stop the thread / process.</em>
-<a class="jxr_linenumber" name="160" href="#160">160</a> <em class="jxr_javadoccomment"> * @return whether the operation finished with success</em>
-<a class="jxr_linenumber" name="161" href="#161">161</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong or timeout occurs</em>
-<a class="jxr_linenumber" name="162" href="#162">162</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="163" href="#163">163</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> waitForRegionServerToStop(ServerName serverName, <strong class="jxr_keyword">long</strong> timeout)
-<a class="jxr_linenumber" name="164" href="#164">164</a> <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="165" href="#165">165</a>
-<a class="jxr_linenumber" name="166" href="#166">166</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="167" href="#167">167</a> <em class="jxr_javadoccomment"> * Starts a new zookeeper node on the given hostname or if this is a mini/local cluster,</em>
-<a class="jxr_linenumber" name="168" href="#168">168</a> <em class="jxr_javadoccomment"> * silently logs warning message.</em>
-<a class="jxr_linenumber" name="169" href="#169">169</a> <em class="jxr_javadoccomment"> * @param hostname the hostname to start the regionserver on</em>
-<a class="jxr_linenumber" name="170" href="#170">170</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong</em>
-<a class="jxr_linenumber" name="171" href="#171">171</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="172" href="#172">172</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> startZkNode(String hostname, <strong class="jxr_keyword">int</strong> port) <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="173" href="#173">173</a>
-<a class="jxr_linenumber" name="174" href="#174">174</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="175" href="#175">175</a> <em class="jxr_javadoccomment"> * Kills the zookeeper node process if this is a distributed cluster, otherwise,</em>
-<a class="jxr_linenumber" name="176" href="#176">176</a> <em class="jxr_javadoccomment"> * this causes master to exit doing basic clean up only.</em>
-<a class="jxr_linenumber" name="177" href="#177">177</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong</em>
-<a class="jxr_linenumber" name="178" href="#178">178</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="179" href="#179">179</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> killZkNode(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="180" href="#180">180</a>
-<a class="jxr_linenumber" name="181" href="#181">181</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="182" href="#182">182</a> <em class="jxr_javadoccomment"> * Stops the region zookeeper if this is a distributed cluster, otherwise</em>
-<a class="jxr_linenumber" name="183" href="#183">183</a> <em class="jxr_javadoccomment"> * silently logs warning message.</em>
-<a class="jxr_linenumber" name="184" href="#184">184</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong</em>
-<a class="jxr_linenumber" name="185" href="#185">185</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="186" href="#186">186</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> stopZkNode(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="187" href="#187">187</a>
-<a class="jxr_linenumber" name="188" href="#188">188</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="189" href="#189">189</a> <em class="jxr_javadoccomment"> * Wait for the specified zookeeper node to join the cluster</em>
-<a class="jxr_linenumber" name="190" href="#190">190</a> <em class="jxr_javadoccomment"> * @return whether the operation finished with success</em>
-<a class="jxr_linenumber" name="191" href="#191">191</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong or timeout occurs</em>
-<a class="jxr_linenumber" name="192" href="#192">192</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="193" href="#193">193</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> waitForZkNodeToStart(ServerName serverName, <strong class="jxr_keyword">long</strong> timeout)
-<a class="jxr_linenumber" name="194" href="#194">194</a> <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="195" href="#195">195</a>
-<a class="jxr_linenumber" name="196" href="#196">196</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="197" href="#197">197</a> <em class="jxr_javadoccomment"> * Wait for the specified zookeeper node to stop the thread / process.</em>
-<a class="jxr_linenumber" name="198" href="#198">198</a> <em class="jxr_javadoccomment"> * @return whether the operation finished with success</em>
-<a class="jxr_linenumber" name="199" href="#199">199</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong or timeout occurs</em>
-<a class="jxr_linenumber" name="200" href="#200">200</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="201" href="#201">201</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> waitForZkNodeToStop(ServerName serverName, <strong class="jxr_keyword">long</strong> timeout)
-<a class="jxr_linenumber" name="202" href="#202">202</a> <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="203" href="#203">203</a>
-<a class="jxr_linenumber" name="204" href="#204">204</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="205" href="#205">205</a> <em class="jxr_javadoccomment"> * Starts a new datanode on the given hostname or if this is a mini/local cluster,</em>
-<a class="jxr_linenumber" name="206" href="#206">206</a> <em class="jxr_javadoccomment"> * silently logs warning message.</em>
-<a class="jxr_linenumber" name="207" href="#207">207</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong</em>
-<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> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> startDataNode(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="210" href="#210">210</a>
-<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> <em class="jxr_javadoccomment"> * Kills the datanode process if this is a distributed cluster, otherwise,</em>
-<a class="jxr_linenumber" name="213" href="#213">213</a> <em class="jxr_javadoccomment"> * this causes master to exit doing basic clean up only.</em>
-<a class="jxr_linenumber" name="214" href="#214">214</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong</em>
-<a class="jxr_linenumber" name="215" href="#215">215</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="216" href="#216">216</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> killDataNode(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="217" href="#217">217</a>
-<a class="jxr_linenumber" name="218" href="#218">218</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="219" href="#219">219</a> <em class="jxr_javadoccomment"> * Stops the datanode if this is a distributed cluster, otherwise</em>
-<a class="jxr_linenumber" name="220" href="#220">220</a> <em class="jxr_javadoccomment"> * silently logs warning message.</em>
-<a class="jxr_linenumber" name="221" href="#221">221</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong</em>
-<a class="jxr_linenumber" name="222" href="#222">222</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="223" href="#223">223</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> stopDataNode(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="224" href="#224">224</a>
-<a class="jxr_linenumber" name="225" href="#225">225</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="226" href="#226">226</a> <em class="jxr_javadoccomment"> * Wait for the specified datanode to join the cluster</em>
-<a class="jxr_linenumber" name="227" href="#227">227</a> <em class="jxr_javadoccomment"> * @return whether the operation finished with success</em>
-<a class="jxr_linenumber" name="228" href="#228">228</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong or timeout occurs</em>
-<a class="jxr_linenumber" name="229" href="#229">229</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="230" href="#230">230</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> waitForDataNodeToStart(ServerName serverName, <strong class="jxr_keyword">long</strong> timeout)
-<a class="jxr_linenumber" name="231" href="#231">231</a> <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="232" href="#232">232</a>
-<a class="jxr_linenumber" name="233" href="#233">233</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="234" href="#234">234</a> <em class="jxr_javadoccomment"> * Wait for the specified datanode to stop the thread / process.</em>
-<a class="jxr_linenumber" name="235" href="#235">235</a> <em class="jxr_javadoccomment"> * @return whether the operation finished with success</em>
-<a class="jxr_linenumber" name="236" href="#236">236</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong or timeout occurs</em>
-<a class="jxr_linenumber" name="237" href="#237">237</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="238" href="#238">238</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> waitForDataNodeToStop(ServerName serverName, <strong class="jxr_keyword">long</strong> timeout)
-<a class="jxr_linenumber" name="239" href="#239">239</a> <strong class="jxr_keyword">throws</strong> IOException;
-<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"> * Starts a new master on the given hostname or if this is a mini/local cluster,</em>
-<a class="jxr_linenumber" name="243" href="#243">243</a> <em class="jxr_javadoccomment"> * starts a master locally.</em>
-<a class="jxr_linenumber" name="244" href="#244">244</a> <em class="jxr_javadoccomment"> * @param hostname the hostname to start the master on</em>
-<a class="jxr_linenumber" name="245" href="#245">245</a> <em class="jxr_javadoccomment"> * @return whether the operation finished with success</em>
-<a class="jxr_linenumber" name="246" href="#246">246</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong</em>
-<a class="jxr_linenumber" name="247" href="#247">247</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="248" href="#248">248</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> startMaster(String hostname, <strong class="jxr_keyword">int</strong> port) <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="249" href="#249">249</a>
-<a class="jxr_linenumber" name="250" href="#250">250</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="251" href="#251">251</a> <em class="jxr_javadoccomment"> * Kills the master process if this is a distributed cluster, otherwise,</em>
-<a class="jxr_linenumber" name="252" href="#252">252</a> <em class="jxr_javadoccomment"> * this causes master to exit doing basic clean up only.</em>
-<a class="jxr_linenumber" name="253" href="#253">253</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong</em>
-<a class="jxr_linenumber" name="254" href="#254">254</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="255" href="#255">255</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> killMaster(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="256" href="#256">256</a>
-<a class="jxr_linenumber" name="257" href="#257">257</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="258" href="#258">258</a> <em class="jxr_javadoccomment"> * Stops the given master, by attempting a gradual stop.</em>
-<a class="jxr_linenumber" name="259" href="#259">259</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong</em>
-<a class="jxr_linenumber" name="260" href="#260">260</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="261" href="#261">261</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> stopMaster(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="262" href="#262">262</a>
-<a class="jxr_linenumber" name="263" href="#263">263</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="264" href="#264">264</a> <em class="jxr_javadoccomment"> * Wait for the specified master to stop the thread / process.</em>
-<a class="jxr_linenumber" name="265" href="#265">265</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong or timeout occurs</em>
-<a class="jxr_linenumber" name="266" href="#266">266</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="267" href="#267">267</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> waitForMasterToStop(ServerName serverName, <strong class="jxr_keyword">long</strong> timeout)
-<a class="jxr_linenumber" name="268" href="#268">268</a> <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="269" href="#269">269</a>
-<a class="jxr_linenumber" name="270" href="#270">270</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="271" href="#271">271</a> <em class="jxr_javadoccomment"> * Blocks until there is an active master and that master has completed</em>
-<a class="jxr_linenumber" name="272" href="#272">272</a> <em class="jxr_javadoccomment"> * initialization.</em>
-<a class="jxr_linenumber" name="273" href="#273">273</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="274" href="#274">274</a> <em class="jxr_javadoccomment"> * @return true if an active master becomes available. false if there are no</em>
-<a class="jxr_linenumber" name="275" href="#275">275</a> <em class="jxr_javadoccomment"> * masters left.</em>
-<a class="jxr_linenumber" name="276" href="#276">276</a> <em class="jxr_javadoccomment"> * @throws IOException if something goes wrong or timeout occurs</em>
-<a class="jxr_linenumber" name="277" href="#277">277</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="278" href="#278">278</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> waitForActiveAndReadyMaster()
-<a class="jxr_linenumber" name="279" href="#279">279</a> <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="280" href="#280">280</a> <strong class="jxr_keyword">return</strong> waitForActiveAndReadyMaster(Long.MAX_VALUE);
-<a class="jxr_linenumber" name="281" href="#281">281</a> }
-<a class="jxr_linenumber" name="282" href="#282">282</a>
-<a class="jxr_linenumber" name="283" href="#283">283</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="284" href="#284">284</a> <em class="jxr_javadoccomment"> * Blocks until there is an active master and that master has completed</em>
-<a class="jxr_linenumber" name="285" href="#285">285</a> <em class="jxr_javadoccomment"> * initialization.</em>
-<a class="jxr_linenumber" name="286" href="#286">286</a> <em class="jxr_javadoccomment"> * @param timeout the timeout limit in ms</em>
-<a class="jxr_linenumber" name="287" href="#287">287</a> <em class="jxr_javadoccomment"> * @return true if an active master becomes available. false if there are no</em>
-<a class="jxr_linenumber" name="288" href="#288">288</a> <em class="jxr_javadoccomment"> * masters left.</em>
-<a class="jxr_linenumber" name="289" href="#289">289</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="290" href="#290">290</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">boolean</strong> waitForActiveAndReadyMaster(<strong class="jxr_keyword">long</strong> timeout)
-<a class="jxr_linenumber" name="291" href="#291">291</a> <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="292" href="#292">292</a>
-<a class="jxr_linenumber" name="293" href="#293">293</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="294" href="#294">294</a> <em class="jxr_javadoccomment"> * Wait for HBase Cluster to shut down.</em>
-<a class="jxr_linenumber" name="295" href="#295">295</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="296" href="#296">296</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> waitUntilShutDown() <strong class="jxr_keyword">throws</strong> IOException;
-<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"> * Shut down the HBase cluster</em>
-<a class="jxr_linenumber" name="300" href="#300">300</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="301" href="#301">301</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> shutdown() <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="302" href="#302">302</a>
-<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> <em class="jxr_javadoccomment"> * Restores the cluster to it's initial state if this is a real cluster,</em>
-<a class="jxr_linenumber" name="305" href="#305">305</a> <em class="jxr_javadoccomment"> * otherwise does nothing.</em>
-<a class="jxr_linenumber" name="306" href="#306">306</a> <em class="jxr_javadoccomment"> * This is a best effort restore. If the servers are not reachable, or insufficient</em>
-<a class="jxr_linenumber" name="307" href="#307">307</a> <em class="jxr_javadoccomment"> * permissions, etc. restoration might be partial.</em>
-<a class="jxr_linenumber" name="308" href="#308">308</a> <em class="jxr_javadoccomment"> * @return whether restoration is complete</em>
-<a class="jxr_linenumber" name="309" href="#309">309</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="310" href="#310">310</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> restoreInitialStatus() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="311" href="#311">311</a> <strong class="jxr_keyword">return</strong> restoreClusterStatus(getInitialClusterStatus());
-<a class="jxr_linenumber" name="312" href="#312">312</a> }
-<a class="jxr_linenumber" name="313" href="#313">313</a>
-<a class="jxr_linenumber" name="314" href="#314">314</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="315" href="#315">315</a> <em class="jxr_javadoccomment"> * Restores the cluster to given state if this is a real cluster,</em>
-<a class="jxr_linenumber" name="316" href="#316">316</a> <em class="jxr_javadoccomment"> * otherwise does nothing.</em>
-<a class="jxr_linenumber" name="317" href="#317">317</a> <em class="jxr_javadoccomment"> * This is a best effort restore. If the servers are not reachable, or insufficient</em>
-<a class="jxr_linenumber" name="318" href="#318">318</a> <em class="jxr_javadoccomment"> * permissions, etc. restoration might be partial.</em>
-<a class="jxr_linenumber" name="319" href="#319">319</a> <em class="jxr_javadoccomment"> * @return whether restoration is complete</em>
-<a class="jxr_linenumber" name="320" href="#320">320</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="321" href="#321">321</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> restoreClusterStatus(ClusterStatus desiredStatus) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="322" href="#322">322</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="323" href="#323">323</a> }
-<a class="jxr_linenumber" name="324" href="#324">324</a>
-<a class="jxr_linenumber" name="325" href="#325">325</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="326" href="#326">326</a> <em class="jxr_javadoccomment"> * Get the ServerName of region server serving the first hbase:meta region</em>
-<a class="jxr_linenumber" name="327" href="#327">327</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="328" href="#328">328</a> <strong class="jxr_keyword">public</strong> ServerName getServerHoldingMeta() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="329" href="#329">329</a> <strong class="jxr_keyword">return</strong> getServerHoldingRegion(TableName.META_TABLE_NAME,
-<a class="jxr_linenumber" name="330" href="#330">330</a> HRegionInfo.FIRST_META_REGIONINFO.getRegionName());
-<a class="jxr_linenumber" name="331" href="#331">331</a> }
-<a class="jxr_linenumber" name="332" href="#332">332</a>
-<a class="jxr_linenumber" name="333" href="#333">333</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="334" href="#334">334</a> <em class="jxr_javadoccomment"> * Get the ServerName of region server serving the specified region</em>
-<a class="jxr_linenumber" name="335" href="#335">335</a> <em class="jxr_javadoccomment"> * @param regionName Name of the region in bytes</em>
-<a class="jxr_linenumber" name="336" href="#336">336</a> <em class="jxr_javadoccomment"> * @param tn Table name that has the region.</em>
-<a class="jxr_linenumber" name="337" href="#337">337</a> <em class="jxr_javadoccomment"> * @return ServerName that hosts the region or null</em>
-<a class="jxr_linenumber" name="338" href="#338">338</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="339" href="#339">339</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> ServerName getServerHoldingRegion(<strong class="jxr_keyword">final</strong> TableName tn, byte[] regionName)
-<a class="jxr_linenumber" name="340" href="#340">340</a> <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="341" href="#341">341</a>
-<a class="jxr_linenumber" name="342" href="#342">342</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="343" href="#343">343</a> <em class="jxr_javadoccomment"> * @return whether we are interacting with a distributed cluster as opposed to an</em>
-<a class="jxr_linenumber" name="344" href="#344">344</a> <em class="jxr_javadoccomment"> * in-process mini/local cluster.</em>
-<a class="jxr_linenumber" name="345" href="#345">345</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="346" href="#346">346</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isDistributedCluster() {
-<a class="jxr_linenumber" name="347" href="#347">347</a> <strong class="jxr_keyword">return</strong> false;
-<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> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="351" href="#351">351</a> <em class="jxr_javadoccomment"> * Closes all the resources held open for this cluster. Note that this call does not shutdown</em>
-<a class="jxr_linenumber" name="352" href="#352">352</a> <em class="jxr_javadoccomment"> * the cluster.</em>
-<a class="jxr_linenumber" name="353" href="#353">353</a> <em class="jxr_javadoccomment"> * @see #shutdown()</em>
-<a class="jxr_linenumber" name="354" href="#354">354</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="355" href="#355">355</a> @Override
-<a class="jxr_linenumber" name="356" href="#356">356</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> close() <strong class="jxr_keyword">throws</strong> IOException;
-<a class="jxr_linenumber" name="357" href="#357">357</a>
-<a class="jxr_linenumber" name="358" href="#358">358</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="359" href="#359">359</a> <em class="jxr_javadoccomment"> * Wait for the namenode.</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> <em class="jxr_javadoccomment"> * @throws InterruptedException</em>
-<a class="jxr_linenumber" name="362" href="#362">362</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="363" href="#363">363</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> waitForNamenodeAvailable() <strong class="jxr_keyword">throws</strong> InterruptedException {
-<a class="jxr_linenumber" name="364" href="#364">364</a> }
-<a class="jxr_linenumber" name="365" href="#365">365</a>
-<a class="jxr_linenumber" name="366" href="#366">366</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> waitForDatanodesRegistered(<strong class="jxr_keyword">int</strong> nbDN) <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="367" href="#367">367</a> }
-<a class="jxr_linenumber" name="368" href="#368">368</a> }
-</pre>
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