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<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
<span class="sourceLineNo">002</span> *<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.3"></a>
<span class="sourceLineNo">004</span> * or more contributor license agreements. See the NOTICE file<a name="line.4"></a>
<span class="sourceLineNo">005</span> * distributed with this work for additional information<a name="line.5"></a>
<span class="sourceLineNo">006</span> * regarding copyright ownership. The ASF licenses this file<a name="line.6"></a>
<span class="sourceLineNo">007</span> * to you under the Apache License, Version 2.0 (the<a name="line.7"></a>
<span class="sourceLineNo">008</span> * "License"); you may not use this file except in compliance<a name="line.8"></a>
<span class="sourceLineNo">009</span> * with the License. You may obtain a copy of the License at<a name="line.9"></a>
<span class="sourceLineNo">010</span> *<a name="line.10"></a>
<span class="sourceLineNo">011</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.11"></a>
<span class="sourceLineNo">012</span> *<a name="line.12"></a>
<span class="sourceLineNo">013</span> * Unless required by applicable law or agreed to in writing, software<a name="line.13"></a>
<span class="sourceLineNo">014</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.14"></a>
<span class="sourceLineNo">015</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.15"></a>
<span class="sourceLineNo">016</span> * See the License for the specific language governing permissions and<a name="line.16"></a>
<span class="sourceLineNo">017</span> * limitations under the License.<a name="line.17"></a>
<span class="sourceLineNo">018</span> */<a name="line.18"></a>
<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase;<a name="line.19"></a>
<span class="sourceLineNo">020</span><a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.util.Arrays;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.util.List;<a name="line.22"></a>
<span class="sourceLineNo">023</span><a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.apache.commons.lang3.StringUtils;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.master.HMaster;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.26"></a>
<span class="sourceLineNo">027</span><a name="line.27"></a>
<span class="sourceLineNo">028</span>/**<a name="line.28"></a>
<span class="sourceLineNo">029</span> * Options for starting up a mini cluster (including an hbase, dfs and zookeeper clusters) in test.<a name="line.29"></a>
<span class="sourceLineNo">030</span> * The options include HDFS options to build mini dfs cluster, Zookeeper options to build mini zk<a name="line.30"></a>
<span class="sourceLineNo">031</span> * cluster, and mostly HBase options to build mini hbase cluster.<a name="line.31"></a>
<span class="sourceLineNo">032</span> *<a name="line.32"></a>
<span class="sourceLineNo">033</span> * To create an object, use a {@link Builder}.<a name="line.33"></a>
<span class="sourceLineNo">034</span> * Example usage:<a name="line.34"></a>
<span class="sourceLineNo">035</span> * &lt;pre&gt;<a name="line.35"></a>
<span class="sourceLineNo">036</span> * StartMiniClusterOption option = StartMiniClusterOption.builder().<a name="line.36"></a>
<span class="sourceLineNo">037</span> * .numMasters(3).rsClass(MyRegionServer.class).createWALDir(true).build();<a name="line.37"></a>
<span class="sourceLineNo">038</span> * &lt;/pre&gt;<a name="line.38"></a>
<span class="sourceLineNo">039</span> *<a name="line.39"></a>
<span class="sourceLineNo">040</span> * Default values can be found in {@link Builder}.<a name="line.40"></a>
<span class="sourceLineNo">041</span> */<a name="line.41"></a>
<span class="sourceLineNo">042</span>@InterfaceAudience.Public<a name="line.42"></a>
<span class="sourceLineNo">043</span>public final class StartMiniClusterOption {<a name="line.43"></a>
<span class="sourceLineNo">044</span> /**<a name="line.44"></a>
<span class="sourceLineNo">045</span> * Number of masters to start up. We'll start this many hbase masters. If numMasters &gt; 1, you<a name="line.45"></a>
<span class="sourceLineNo">046</span> * can find the active/primary master with {@link MiniHBaseCluster#getMaster()}.<a name="line.46"></a>
<span class="sourceLineNo">047</span> */<a name="line.47"></a>
<span class="sourceLineNo">048</span> private final int numMasters;<a name="line.48"></a>
<span class="sourceLineNo">049</span><a name="line.49"></a>
<span class="sourceLineNo">050</span> /**<a name="line.50"></a>
<span class="sourceLineNo">051</span> * Number of masters that always remain standby. These set of masters never transition to active<a name="line.51"></a>
<span class="sourceLineNo">052</span> * even if an active master does not exist. These are needed for testing scenarios where there are<a name="line.52"></a>
<span class="sourceLineNo">053</span> * no active masters in the cluster but the cluster connection (backed by master registry) should<a name="line.53"></a>
<span class="sourceLineNo">054</span> * still work.<a name="line.54"></a>
<span class="sourceLineNo">055</span> */<a name="line.55"></a>
<span class="sourceLineNo">056</span> private final int numAlwaysStandByMasters;<a name="line.56"></a>
<span class="sourceLineNo">057</span> /**<a name="line.57"></a>
<span class="sourceLineNo">058</span> * The class to use as HMaster, or null for default.<a name="line.58"></a>
<span class="sourceLineNo">059</span> */<a name="line.59"></a>
<span class="sourceLineNo">060</span> private final Class&lt;? extends HMaster&gt; masterClass;<a name="line.60"></a>
<span class="sourceLineNo">061</span><a name="line.61"></a>
<span class="sourceLineNo">062</span> /**<a name="line.62"></a>
<span class="sourceLineNo">063</span> * Number of region servers to start up.<a name="line.63"></a>
<span class="sourceLineNo">064</span> * If this value is &gt; 1, then make sure config "hbase.regionserver.info.port" is -1<a name="line.64"></a>
<span class="sourceLineNo">065</span> * (i.e. no ui per regionserver) otherwise bind errors.<a name="line.65"></a>
<span class="sourceLineNo">066</span> */<a name="line.66"></a>
<span class="sourceLineNo">067</span> private final int numRegionServers;<a name="line.67"></a>
<span class="sourceLineNo">068</span> /**<a name="line.68"></a>
<span class="sourceLineNo">069</span> * Ports that RegionServer should use. Pass ports if you want to test cluster restart where for<a name="line.69"></a>
<span class="sourceLineNo">070</span> * sure the regionservers come up on same address+port (but just with different startcode); by<a name="line.70"></a>
<span class="sourceLineNo">071</span> * default mini hbase clusters choose new arbitrary ports on each cluster start.<a name="line.71"></a>
<span class="sourceLineNo">072</span> */<a name="line.72"></a>
<span class="sourceLineNo">073</span> private final List&lt;Integer&gt; rsPorts;<a name="line.73"></a>
<span class="sourceLineNo">074</span> /**<a name="line.74"></a>
<span class="sourceLineNo">075</span> * The class to use as HRegionServer, or null for default.<a name="line.75"></a>
<span class="sourceLineNo">076</span> */<a name="line.76"></a>
<span class="sourceLineNo">077</span> private Class&lt;? extends MiniHBaseCluster.MiniHBaseClusterRegionServer&gt; rsClass;<a name="line.77"></a>
<span class="sourceLineNo">078</span><a name="line.78"></a>
<span class="sourceLineNo">079</span> /**<a name="line.79"></a>
<span class="sourceLineNo">080</span> * Number of datanodes. Used to create mini DSF cluster. Surpassed by {@link #dataNodeHosts} size.<a name="line.80"></a>
<span class="sourceLineNo">081</span> */<a name="line.81"></a>
<span class="sourceLineNo">082</span> private final int numDataNodes;<a name="line.82"></a>
<span class="sourceLineNo">083</span> /**<a name="line.83"></a>
<span class="sourceLineNo">084</span> * The hostnames of DataNodes to run on. This is useful if you want to run datanode on distinct<a name="line.84"></a>
<span class="sourceLineNo">085</span> * hosts for things like HDFS block location verification. If you start MiniDFSCluster without<a name="line.85"></a>
<span class="sourceLineNo">086</span> * host names, all instances of the datanodes will have the same host name.<a name="line.86"></a>
<span class="sourceLineNo">087</span> */<a name="line.87"></a>
<span class="sourceLineNo">088</span> private final String[] dataNodeHosts;<a name="line.88"></a>
<span class="sourceLineNo">089</span><a name="line.89"></a>
<span class="sourceLineNo">090</span> /**<a name="line.90"></a>
<span class="sourceLineNo">091</span> * Number of Zookeeper servers.<a name="line.91"></a>
<span class="sourceLineNo">092</span> */<a name="line.92"></a>
<span class="sourceLineNo">093</span> private final int numZkServers;<a name="line.93"></a>
<span class="sourceLineNo">094</span><a name="line.94"></a>
<span class="sourceLineNo">095</span> /**<a name="line.95"></a>
<span class="sourceLineNo">096</span> * Whether to create a new root or data directory path. If true, the newly created data directory<a name="line.96"></a>
<span class="sourceLineNo">097</span> * will be configured as HBase rootdir. This will overwrite existing root directory config.<a name="line.97"></a>
<span class="sourceLineNo">098</span> */<a name="line.98"></a>
<span class="sourceLineNo">099</span> private final boolean createRootDir;<a name="line.99"></a>
<span class="sourceLineNo">100</span><a name="line.100"></a>
<span class="sourceLineNo">101</span> /**<a name="line.101"></a>
<span class="sourceLineNo">102</span> * Whether to create a new WAL directory. If true, the newly created directory will be configured<a name="line.102"></a>
<span class="sourceLineNo">103</span> * as HBase wal.dir which is separate from HBase rootdir.<a name="line.103"></a>
<span class="sourceLineNo">104</span> */<a name="line.104"></a>
<span class="sourceLineNo">105</span> private final boolean createWALDir;<a name="line.105"></a>
<span class="sourceLineNo">106</span><a name="line.106"></a>
<span class="sourceLineNo">107</span> /**<a name="line.107"></a>
<span class="sourceLineNo">108</span> * Private constructor. Use {@link Builder#build()}.<a name="line.108"></a>
<span class="sourceLineNo">109</span> */<a name="line.109"></a>
<span class="sourceLineNo">110</span> private StartMiniClusterOption(int numMasters, int numAlwaysStandByMasters,<a name="line.110"></a>
<span class="sourceLineNo">111</span> Class&lt;? extends HMaster&gt; masterClass, int numRegionServers, List&lt;Integer&gt; rsPorts,<a name="line.111"></a>
<span class="sourceLineNo">112</span> Class&lt;? extends MiniHBaseCluster.MiniHBaseClusterRegionServer&gt; rsClass, int numDataNodes,<a name="line.112"></a>
<span class="sourceLineNo">113</span> String[] dataNodeHosts, int numZkServers, boolean createRootDir, boolean createWALDir) {<a name="line.113"></a>
<span class="sourceLineNo">114</span> this.numMasters = numMasters;<a name="line.114"></a>
<span class="sourceLineNo">115</span> this.numAlwaysStandByMasters = numAlwaysStandByMasters;<a name="line.115"></a>
<span class="sourceLineNo">116</span> this.masterClass = masterClass;<a name="line.116"></a>
<span class="sourceLineNo">117</span> this.numRegionServers = numRegionServers;<a name="line.117"></a>
<span class="sourceLineNo">118</span> this.rsPorts = rsPorts;<a name="line.118"></a>
<span class="sourceLineNo">119</span> this.rsClass = rsClass;<a name="line.119"></a>
<span class="sourceLineNo">120</span> this.numDataNodes = numDataNodes;<a name="line.120"></a>
<span class="sourceLineNo">121</span> this.dataNodeHosts = dataNodeHosts;<a name="line.121"></a>
<span class="sourceLineNo">122</span> this.numZkServers = numZkServers;<a name="line.122"></a>
<span class="sourceLineNo">123</span> this.createRootDir = createRootDir;<a name="line.123"></a>
<span class="sourceLineNo">124</span> this.createWALDir = createWALDir;<a name="line.124"></a>
<span class="sourceLineNo">125</span> }<a name="line.125"></a>
<span class="sourceLineNo">126</span><a name="line.126"></a>
<span class="sourceLineNo">127</span> public int getNumMasters() {<a name="line.127"></a>
<span class="sourceLineNo">128</span> return numMasters;<a name="line.128"></a>
<span class="sourceLineNo">129</span> }<a name="line.129"></a>
<span class="sourceLineNo">130</span><a name="line.130"></a>
<span class="sourceLineNo">131</span> public int getNumAlwaysStandByMasters() {<a name="line.131"></a>
<span class="sourceLineNo">132</span> return numAlwaysStandByMasters;<a name="line.132"></a>
<span class="sourceLineNo">133</span> }<a name="line.133"></a>
<span class="sourceLineNo">134</span><a name="line.134"></a>
<span class="sourceLineNo">135</span> public Class&lt;? extends HMaster&gt; getMasterClass() {<a name="line.135"></a>
<span class="sourceLineNo">136</span> return masterClass;<a name="line.136"></a>
<span class="sourceLineNo">137</span> }<a name="line.137"></a>
<span class="sourceLineNo">138</span><a name="line.138"></a>
<span class="sourceLineNo">139</span> public int getNumRegionServers() {<a name="line.139"></a>
<span class="sourceLineNo">140</span> return numRegionServers;<a name="line.140"></a>
<span class="sourceLineNo">141</span> }<a name="line.141"></a>
<span class="sourceLineNo">142</span><a name="line.142"></a>
<span class="sourceLineNo">143</span> public List&lt;Integer&gt; getRsPorts() {<a name="line.143"></a>
<span class="sourceLineNo">144</span> return rsPorts;<a name="line.144"></a>
<span class="sourceLineNo">145</span> }<a name="line.145"></a>
<span class="sourceLineNo">146</span><a name="line.146"></a>
<span class="sourceLineNo">147</span> public Class&lt;? extends MiniHBaseCluster.MiniHBaseClusterRegionServer&gt; getRsClass() {<a name="line.147"></a>
<span class="sourceLineNo">148</span> return rsClass;<a name="line.148"></a>
<span class="sourceLineNo">149</span> }<a name="line.149"></a>
<span class="sourceLineNo">150</span><a name="line.150"></a>
<span class="sourceLineNo">151</span> public int getNumDataNodes() {<a name="line.151"></a>
<span class="sourceLineNo">152</span> return numDataNodes;<a name="line.152"></a>
<span class="sourceLineNo">153</span> }<a name="line.153"></a>
<span class="sourceLineNo">154</span><a name="line.154"></a>
<span class="sourceLineNo">155</span> public String[] getDataNodeHosts() {<a name="line.155"></a>
<span class="sourceLineNo">156</span> return dataNodeHosts;<a name="line.156"></a>
<span class="sourceLineNo">157</span> }<a name="line.157"></a>
<span class="sourceLineNo">158</span><a name="line.158"></a>
<span class="sourceLineNo">159</span> public int getNumZkServers() {<a name="line.159"></a>
<span class="sourceLineNo">160</span> return numZkServers;<a name="line.160"></a>
<span class="sourceLineNo">161</span> }<a name="line.161"></a>
<span class="sourceLineNo">162</span><a name="line.162"></a>
<span class="sourceLineNo">163</span> public boolean isCreateRootDir() {<a name="line.163"></a>
<span class="sourceLineNo">164</span> return createRootDir;<a name="line.164"></a>
<span class="sourceLineNo">165</span> }<a name="line.165"></a>
<span class="sourceLineNo">166</span><a name="line.166"></a>
<span class="sourceLineNo">167</span> public boolean isCreateWALDir() {<a name="line.167"></a>
<span class="sourceLineNo">168</span> return createWALDir;<a name="line.168"></a>
<span class="sourceLineNo">169</span> }<a name="line.169"></a>
<span class="sourceLineNo">170</span><a name="line.170"></a>
<span class="sourceLineNo">171</span> @Override<a name="line.171"></a>
<span class="sourceLineNo">172</span> public String toString() {<a name="line.172"></a>
<span class="sourceLineNo">173</span> return "StartMiniClusterOption{" + "numMasters=" + numMasters + ", masterClass=" + masterClass<a name="line.173"></a>
<span class="sourceLineNo">174</span> + ", numRegionServers=" + numRegionServers + ", rsPorts=" + StringUtils.join(rsPorts)<a name="line.174"></a>
<span class="sourceLineNo">175</span> + ", rsClass=" + rsClass + ", numDataNodes=" + numDataNodes<a name="line.175"></a>
<span class="sourceLineNo">176</span> + ", dataNodeHosts=" + Arrays.toString(dataNodeHosts) + ", numZkServers=" + numZkServers<a name="line.176"></a>
<span class="sourceLineNo">177</span> + ", createRootDir=" + createRootDir + ", createWALDir=" + createWALDir + '}';<a name="line.177"></a>
<span class="sourceLineNo">178</span> }<a name="line.178"></a>
<span class="sourceLineNo">179</span><a name="line.179"></a>
<span class="sourceLineNo">180</span> /**<a name="line.180"></a>
<span class="sourceLineNo">181</span> * @return a new builder.<a name="line.181"></a>
<span class="sourceLineNo">182</span> */<a name="line.182"></a>
<span class="sourceLineNo">183</span> public static Builder builder() {<a name="line.183"></a>
<span class="sourceLineNo">184</span> return new Builder();<a name="line.184"></a>
<span class="sourceLineNo">185</span> }<a name="line.185"></a>
<span class="sourceLineNo">186</span><a name="line.186"></a>
<span class="sourceLineNo">187</span> /**<a name="line.187"></a>
<span class="sourceLineNo">188</span> * Builder pattern for creating an {@link StartMiniClusterOption}.<a name="line.188"></a>
<span class="sourceLineNo">189</span> *<a name="line.189"></a>
<span class="sourceLineNo">190</span> * The default values of its fields should be considered public and constant. Changing the default<a name="line.190"></a>
<span class="sourceLineNo">191</span> * values may cause other tests fail.<a name="line.191"></a>
<span class="sourceLineNo">192</span> */<a name="line.192"></a>
<span class="sourceLineNo">193</span> public static final class Builder {<a name="line.193"></a>
<span class="sourceLineNo">194</span> private int numMasters = 1;<a name="line.194"></a>
<span class="sourceLineNo">195</span> private int numAlwaysStandByMasters = 0;<a name="line.195"></a>
<span class="sourceLineNo">196</span> private Class&lt;? extends HMaster&gt; masterClass = null;<a name="line.196"></a>
<span class="sourceLineNo">197</span> private int numRegionServers = 1;<a name="line.197"></a>
<span class="sourceLineNo">198</span> private List&lt;Integer&gt; rsPorts = null;<a name="line.198"></a>
<span class="sourceLineNo">199</span> private Class&lt;? extends MiniHBaseCluster.MiniHBaseClusterRegionServer&gt; rsClass = null;<a name="line.199"></a>
<span class="sourceLineNo">200</span> private int numDataNodes = 1;<a name="line.200"></a>
<span class="sourceLineNo">201</span> private String[] dataNodeHosts = null;<a name="line.201"></a>
<span class="sourceLineNo">202</span> private int numZkServers = 1;<a name="line.202"></a>
<span class="sourceLineNo">203</span> private boolean createRootDir = false;<a name="line.203"></a>
<span class="sourceLineNo">204</span> private boolean createWALDir = false;<a name="line.204"></a>
<span class="sourceLineNo">205</span><a name="line.205"></a>
<span class="sourceLineNo">206</span> private Builder() {<a name="line.206"></a>
<span class="sourceLineNo">207</span> }<a name="line.207"></a>
<span class="sourceLineNo">208</span><a name="line.208"></a>
<span class="sourceLineNo">209</span> public StartMiniClusterOption build() {<a name="line.209"></a>
<span class="sourceLineNo">210</span> if (dataNodeHosts != null &amp;&amp; dataNodeHosts.length != 0) {<a name="line.210"></a>
<span class="sourceLineNo">211</span> numDataNodes = dataNodeHosts.length;<a name="line.211"></a>
<span class="sourceLineNo">212</span> }<a name="line.212"></a>
<span class="sourceLineNo">213</span> return new StartMiniClusterOption(numMasters,numAlwaysStandByMasters, masterClass,<a name="line.213"></a>
<span class="sourceLineNo">214</span> numRegionServers, rsPorts, rsClass, numDataNodes, dataNodeHosts, numZkServers,<a name="line.214"></a>
<span class="sourceLineNo">215</span> createRootDir, createWALDir);<a name="line.215"></a>
<span class="sourceLineNo">216</span> }<a name="line.216"></a>
<span class="sourceLineNo">217</span><a name="line.217"></a>
<span class="sourceLineNo">218</span> public Builder numMasters(int numMasters) {<a name="line.218"></a>
<span class="sourceLineNo">219</span> this.numMasters = numMasters;<a name="line.219"></a>
<span class="sourceLineNo">220</span> return this;<a name="line.220"></a>
<span class="sourceLineNo">221</span> }<a name="line.221"></a>
<span class="sourceLineNo">222</span><a name="line.222"></a>
<span class="sourceLineNo">223</span> public Builder numAlwaysStandByMasters(int numAlwaysStandByMasters) {<a name="line.223"></a>
<span class="sourceLineNo">224</span> this.numAlwaysStandByMasters = numAlwaysStandByMasters;<a name="line.224"></a>
<span class="sourceLineNo">225</span> return this;<a name="line.225"></a>
<span class="sourceLineNo">226</span> }<a name="line.226"></a>
<span class="sourceLineNo">227</span><a name="line.227"></a>
<span class="sourceLineNo">228</span> public Builder masterClass(Class&lt;? extends HMaster&gt; masterClass) {<a name="line.228"></a>
<span class="sourceLineNo">229</span> this.masterClass = masterClass;<a name="line.229"></a>
<span class="sourceLineNo">230</span> return this;<a name="line.230"></a>
<span class="sourceLineNo">231</span> }<a name="line.231"></a>
<span class="sourceLineNo">232</span><a name="line.232"></a>
<span class="sourceLineNo">233</span> public Builder numRegionServers(int numRegionServers) {<a name="line.233"></a>
<span class="sourceLineNo">234</span> this.numRegionServers = numRegionServers;<a name="line.234"></a>
<span class="sourceLineNo">235</span> return this;<a name="line.235"></a>
<span class="sourceLineNo">236</span> }<a name="line.236"></a>
<span class="sourceLineNo">237</span><a name="line.237"></a>
<span class="sourceLineNo">238</span> public Builder rsPorts(List&lt;Integer&gt; rsPorts) {<a name="line.238"></a>
<span class="sourceLineNo">239</span> this.rsPorts = rsPorts;<a name="line.239"></a>
<span class="sourceLineNo">240</span> return this;<a name="line.240"></a>
<span class="sourceLineNo">241</span> }<a name="line.241"></a>
<span class="sourceLineNo">242</span><a name="line.242"></a>
<span class="sourceLineNo">243</span> public Builder rsClass(Class&lt;? extends MiniHBaseCluster.MiniHBaseClusterRegionServer&gt; rsClass) {<a name="line.243"></a>
<span class="sourceLineNo">244</span> this.rsClass = rsClass;<a name="line.244"></a>
<span class="sourceLineNo">245</span> return this;<a name="line.245"></a>
<span class="sourceLineNo">246</span> }<a name="line.246"></a>
<span class="sourceLineNo">247</span><a name="line.247"></a>
<span class="sourceLineNo">248</span> public Builder numDataNodes(int numDataNodes) {<a name="line.248"></a>
<span class="sourceLineNo">249</span> this.numDataNodes = numDataNodes;<a name="line.249"></a>
<span class="sourceLineNo">250</span> return this;<a name="line.250"></a>
<span class="sourceLineNo">251</span> }<a name="line.251"></a>
<span class="sourceLineNo">252</span><a name="line.252"></a>
<span class="sourceLineNo">253</span> public Builder dataNodeHosts(String[] dataNodeHosts) {<a name="line.253"></a>
<span class="sourceLineNo">254</span> this.dataNodeHosts = dataNodeHosts;<a name="line.254"></a>
<span class="sourceLineNo">255</span> return this;<a name="line.255"></a>
<span class="sourceLineNo">256</span> }<a name="line.256"></a>
<span class="sourceLineNo">257</span><a name="line.257"></a>
<span class="sourceLineNo">258</span> public Builder numZkServers(int numZkServers) {<a name="line.258"></a>
<span class="sourceLineNo">259</span> this.numZkServers = numZkServers;<a name="line.259"></a>
<span class="sourceLineNo">260</span> return this;<a name="line.260"></a>
<span class="sourceLineNo">261</span> }<a name="line.261"></a>
<span class="sourceLineNo">262</span><a name="line.262"></a>
<span class="sourceLineNo">263</span> public Builder createRootDir(boolean createRootDir) {<a name="line.263"></a>
<span class="sourceLineNo">264</span> this.createRootDir = createRootDir;<a name="line.264"></a>
<span class="sourceLineNo">265</span> return this;<a name="line.265"></a>
<span class="sourceLineNo">266</span> }<a name="line.266"></a>
<span class="sourceLineNo">267</span><a name="line.267"></a>
<span class="sourceLineNo">268</span> public Builder createWALDir(boolean createWALDir) {<a name="line.268"></a>
<span class="sourceLineNo">269</span> this.createWALDir = createWALDir;<a name="line.269"></a>
<span class="sourceLineNo">270</span> return this;<a name="line.270"></a>
<span class="sourceLineNo">271</span> }<a name="line.271"></a>
<span class="sourceLineNo">272</span> }<a name="line.272"></a>
<span class="sourceLineNo">273</span><a name="line.273"></a>
<span class="sourceLineNo">274</span>}<a name="line.274"></a>
</pre>
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