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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a>
<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
<span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a>
<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
<span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
<span class="sourceLineNo">017</span> */<a name="line.17"></a>
<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.client;<a name="line.18"></a>
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import static org.apache.hadoop.hbase.HConstants.HBASE_CLIENT_META_OPERATION_TIMEOUT;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import static org.apache.hadoop.hbase.io.ByteBuffAllocator.MAX_BUFFER_COUNT_KEY;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import static org.junit.Assert.assertEquals;<a name="line.22"></a>
<span class="sourceLineNo">023</span><a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.io.IOException;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.ArrayList;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.util.Arrays;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.Collections;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.util.List;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.util.concurrent.ExecutionException;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import java.util.concurrent.ExecutorService;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import java.util.concurrent.Executors;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import java.util.concurrent.Future;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import java.util.concurrent.ThreadLocalRandom;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import java.util.concurrent.TimeUnit;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import java.util.stream.Collectors;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import java.util.stream.IntStream;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.HBaseTestingUtil;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.MemoryCompactionPolicy;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.ServerName;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.TableName;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.Waiter.ExplainingPredicate;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.regionserver.CompactingMemStore;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.testclassification.ClientTests;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.RetryCounter;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import org.junit.AfterClass;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import org.junit.Assert;<a name="line.52"></a>
<span class="sourceLineNo">053</span>import org.junit.BeforeClass;<a name="line.53"></a>
<span class="sourceLineNo">054</span>import org.junit.ClassRule;<a name="line.54"></a>
<span class="sourceLineNo">055</span>import org.junit.Test;<a name="line.55"></a>
<span class="sourceLineNo">056</span>import org.junit.experimental.categories.Category;<a name="line.56"></a>
<span class="sourceLineNo">057</span>import org.slf4j.Logger;<a name="line.57"></a>
<span class="sourceLineNo">058</span>import org.slf4j.LoggerFactory;<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span>import org.apache.hbase.thirdparty.com.google.common.io.Closeables;<a name="line.60"></a>
<span class="sourceLineNo">061</span>import org.apache.hbase.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder;<a name="line.61"></a>
<span class="sourceLineNo">062</span><a name="line.62"></a>
<span class="sourceLineNo">063</span>/**<a name="line.63"></a>
<span class="sourceLineNo">064</span> * Will split the table, and move region randomly when testing.<a name="line.64"></a>
<span class="sourceLineNo">065</span> */<a name="line.65"></a>
<span class="sourceLineNo">066</span>@Category({ LargeTests.class, ClientTests.class })<a name="line.66"></a>
<span class="sourceLineNo">067</span>public class TestAsyncTableGetMultiThreaded {<a name="line.67"></a>
<span class="sourceLineNo">068</span><a name="line.68"></a>
<span class="sourceLineNo">069</span> @ClassRule<a name="line.69"></a>
<span class="sourceLineNo">070</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.70"></a>
<span class="sourceLineNo">071</span> HBaseClassTestRule.forClass(TestAsyncTableGetMultiThreaded.class);<a name="line.71"></a>
<span class="sourceLineNo">072</span><a name="line.72"></a>
<span class="sourceLineNo">073</span> private static final Logger LOG = LoggerFactory.getLogger(TestAsyncTableGetMultiThreaded.class);<a name="line.73"></a>
<span class="sourceLineNo">074</span><a name="line.74"></a>
<span class="sourceLineNo">075</span> private static final HBaseTestingUtil TEST_UTIL = new HBaseTestingUtil();<a name="line.75"></a>
<span class="sourceLineNo">076</span><a name="line.76"></a>
<span class="sourceLineNo">077</span> private static final TableName TABLE_NAME = TableName.valueOf("async");<a name="line.77"></a>
<span class="sourceLineNo">078</span> private static final byte[] FAMILY = Bytes.toBytes("cf");<a name="line.78"></a>
<span class="sourceLineNo">079</span> private static final byte[] QUALIFIER = Bytes.toBytes("cq");<a name="line.79"></a>
<span class="sourceLineNo">080</span> private static final int COUNT = 1000;<a name="line.80"></a>
<span class="sourceLineNo">081</span><a name="line.81"></a>
<span class="sourceLineNo">082</span> private static AsyncConnection CONN;<a name="line.82"></a>
<span class="sourceLineNo">083</span><a name="line.83"></a>
<span class="sourceLineNo">084</span> private static AsyncTable&lt;?&gt; TABLE;<a name="line.84"></a>
<span class="sourceLineNo">085</span><a name="line.85"></a>
<span class="sourceLineNo">086</span> private static byte[][] SPLIT_KEYS;<a name="line.86"></a>
<span class="sourceLineNo">087</span><a name="line.87"></a>
<span class="sourceLineNo">088</span> @BeforeClass<a name="line.88"></a>
<span class="sourceLineNo">089</span> public static void setUp() throws Exception {<a name="line.89"></a>
<span class="sourceLineNo">090</span> setUp(MemoryCompactionPolicy.NONE);<a name="line.90"></a>
<span class="sourceLineNo">091</span> }<a name="line.91"></a>
<span class="sourceLineNo">092</span><a name="line.92"></a>
<span class="sourceLineNo">093</span> protected static void setUp(MemoryCompactionPolicy memoryCompaction) throws Exception {<a name="line.93"></a>
<span class="sourceLineNo">094</span> TEST_UTIL.getConfiguration().setLong(HBASE_CLIENT_META_OPERATION_TIMEOUT, 60000L);<a name="line.94"></a>
<span class="sourceLineNo">095</span> TEST_UTIL.getConfiguration().setInt(MAX_BUFFER_COUNT_KEY, 100);<a name="line.95"></a>
<span class="sourceLineNo">096</span> TEST_UTIL.getConfiguration().set(CompactingMemStore.COMPACTING_MEMSTORE_TYPE_KEY,<a name="line.96"></a>
<span class="sourceLineNo">097</span> String.valueOf(memoryCompaction));<a name="line.97"></a>
<span class="sourceLineNo">098</span> TEST_UTIL.getConfiguration().setBoolean("hbase.master.balancer.decision.buffer.enabled", true);<a name="line.98"></a>
<span class="sourceLineNo">099</span><a name="line.99"></a>
<span class="sourceLineNo">100</span> TEST_UTIL.startMiniCluster(3);<a name="line.100"></a>
<span class="sourceLineNo">101</span> SPLIT_KEYS = new byte[8][];<a name="line.101"></a>
<span class="sourceLineNo">102</span> for (int i = 111; i &lt; 999; i += 111) {<a name="line.102"></a>
<span class="sourceLineNo">103</span> SPLIT_KEYS[i / 111 - 1] = Bytes.toBytes(String.format("%03d", i));<a name="line.103"></a>
<span class="sourceLineNo">104</span> }<a name="line.104"></a>
<span class="sourceLineNo">105</span> TEST_UTIL.createTable(TABLE_NAME, FAMILY);<a name="line.105"></a>
<span class="sourceLineNo">106</span> TEST_UTIL.waitTableAvailable(TABLE_NAME);<a name="line.106"></a>
<span class="sourceLineNo">107</span> CONN = ConnectionFactory.createAsyncConnection(TEST_UTIL.getConfiguration()).get();<a name="line.107"></a>
<span class="sourceLineNo">108</span> TABLE = CONN.getTableBuilder(TABLE_NAME).setReadRpcTimeout(1, TimeUnit.SECONDS)<a name="line.108"></a>
<span class="sourceLineNo">109</span> .setMaxRetries(1000).build();<a name="line.109"></a>
<span class="sourceLineNo">110</span> TABLE.putAll(<a name="line.110"></a>
<span class="sourceLineNo">111</span> IntStream.range(0, COUNT).mapToObj(i -&gt; new Put(Bytes.toBytes(String.format("%03d", i)))<a name="line.111"></a>
<span class="sourceLineNo">112</span> .addColumn(FAMILY, QUALIFIER, Bytes.toBytes(i))).collect(Collectors.toList()))<a name="line.112"></a>
<span class="sourceLineNo">113</span> .get();<a name="line.113"></a>
<span class="sourceLineNo">114</span> }<a name="line.114"></a>
<span class="sourceLineNo">115</span><a name="line.115"></a>
<span class="sourceLineNo">116</span> @AfterClass<a name="line.116"></a>
<span class="sourceLineNo">117</span> public static void tearDown() throws Exception {<a name="line.117"></a>
<span class="sourceLineNo">118</span> Closeables.close(CONN, true);<a name="line.118"></a>
<span class="sourceLineNo">119</span> TEST_UTIL.shutdownMiniCluster();<a name="line.119"></a>
<span class="sourceLineNo">120</span> }<a name="line.120"></a>
<span class="sourceLineNo">121</span><a name="line.121"></a>
<span class="sourceLineNo">122</span> private void run(AtomicBoolean stop) throws InterruptedException, ExecutionException {<a name="line.122"></a>
<span class="sourceLineNo">123</span> while (!stop.get()) {<a name="line.123"></a>
<span class="sourceLineNo">124</span> for (int i = 0; i &lt; COUNT; i++) {<a name="line.124"></a>
<span class="sourceLineNo">125</span> assertEquals(i, Bytes.toInt(TABLE.get(new Get(Bytes.toBytes(String.format("%03d", i))))<a name="line.125"></a>
<span class="sourceLineNo">126</span> .get().getValue(FAMILY, QUALIFIER)));<a name="line.126"></a>
<span class="sourceLineNo">127</span> }<a name="line.127"></a>
<span class="sourceLineNo">128</span> // sleep a bit so we do not add to much load to the test machine as we have 20 threads here<a name="line.128"></a>
<span class="sourceLineNo">129</span> Thread.sleep(10);<a name="line.129"></a>
<span class="sourceLineNo">130</span> }<a name="line.130"></a>
<span class="sourceLineNo">131</span> }<a name="line.131"></a>
<span class="sourceLineNo">132</span><a name="line.132"></a>
<span class="sourceLineNo">133</span> @Test<a name="line.133"></a>
<span class="sourceLineNo">134</span> public void test() throws Exception {<a name="line.134"></a>
<span class="sourceLineNo">135</span> LOG.info("====== Test started ======");<a name="line.135"></a>
<span class="sourceLineNo">136</span> int numThreads = 7;<a name="line.136"></a>
<span class="sourceLineNo">137</span> AtomicBoolean stop = new AtomicBoolean(false);<a name="line.137"></a>
<span class="sourceLineNo">138</span> ExecutorService executor = Executors.newFixedThreadPool(numThreads,<a name="line.138"></a>
<span class="sourceLineNo">139</span> new ThreadFactoryBuilder().setNameFormat("TestAsyncGet-pool-%d").setDaemon(true)<a name="line.139"></a>
<span class="sourceLineNo">140</span> .setUncaughtExceptionHandler(Threads.LOGGING_EXCEPTION_HANDLER).build());<a name="line.140"></a>
<span class="sourceLineNo">141</span> List&lt;Future&lt;?&gt;&gt; futures = new ArrayList&lt;&gt;();<a name="line.141"></a>
<span class="sourceLineNo">142</span> IntStream.range(0, numThreads).forEach(i -&gt; futures.add(executor.submit(() -&gt; {<a name="line.142"></a>
<span class="sourceLineNo">143</span> run(stop);<a name="line.143"></a>
<span class="sourceLineNo">144</span> return null;<a name="line.144"></a>
<span class="sourceLineNo">145</span> })));<a name="line.145"></a>
<span class="sourceLineNo">146</span> LOG.info("====== Scheduled {} read threads ======", numThreads);<a name="line.146"></a>
<span class="sourceLineNo">147</span> Collections.shuffle(Arrays.asList(SPLIT_KEYS), ThreadLocalRandom.current());<a name="line.147"></a>
<span class="sourceLineNo">148</span> Admin admin = TEST_UTIL.getAdmin();<a name="line.148"></a>
<span class="sourceLineNo">149</span> for (byte[] splitPoint : SPLIT_KEYS) {<a name="line.149"></a>
<span class="sourceLineNo">150</span> int oldRegionCount = admin.getRegions(TABLE_NAME).size();<a name="line.150"></a>
<span class="sourceLineNo">151</span> LOG.info("====== Splitting at {} ======, region count before splitting is {}",<a name="line.151"></a>
<span class="sourceLineNo">152</span> Bytes.toStringBinary(splitPoint), oldRegionCount);<a name="line.152"></a>
<span class="sourceLineNo">153</span> admin.split(TABLE_NAME, splitPoint);<a name="line.153"></a>
<span class="sourceLineNo">154</span> TEST_UTIL.waitFor(30000, new ExplainingPredicate&lt;Exception&gt;() {<a name="line.154"></a>
<span class="sourceLineNo">155</span> @Override<a name="line.155"></a>
<span class="sourceLineNo">156</span> public boolean evaluate() throws Exception {<a name="line.156"></a>
<span class="sourceLineNo">157</span> return TEST_UTIL.getMiniHBaseCluster().getRegions(TABLE_NAME).size() &gt; oldRegionCount;<a name="line.157"></a>
<span class="sourceLineNo">158</span> }<a name="line.158"></a>
<span class="sourceLineNo">159</span><a name="line.159"></a>
<span class="sourceLineNo">160</span> @Override<a name="line.160"></a>
<span class="sourceLineNo">161</span> public String explainFailure() throws Exception {<a name="line.161"></a>
<span class="sourceLineNo">162</span> return "Split has not finished yet";<a name="line.162"></a>
<span class="sourceLineNo">163</span> }<a name="line.163"></a>
<span class="sourceLineNo">164</span> });<a name="line.164"></a>
<span class="sourceLineNo">165</span> List&lt;HRegion&gt; regions = TEST_UTIL.getMiniHBaseCluster().getRegions(TABLE_NAME);<a name="line.165"></a>
<span class="sourceLineNo">166</span> LOG.info("====== Split at {} ======, region count after splitting is {}",<a name="line.166"></a>
<span class="sourceLineNo">167</span> Bytes.toStringBinary(splitPoint), regions.size());<a name="line.167"></a>
<span class="sourceLineNo">168</span> for (HRegion region : regions) {<a name="line.168"></a>
<span class="sourceLineNo">169</span> LOG.info("====== Compact {} ======", region.getRegionInfo());<a name="line.169"></a>
<span class="sourceLineNo">170</span> region.compact(true);<a name="line.170"></a>
<span class="sourceLineNo">171</span> }<a name="line.171"></a>
<span class="sourceLineNo">172</span> for (HRegion region : regions) {<a name="line.172"></a>
<span class="sourceLineNo">173</span> // Waiting for compaction to complete and references are cleaned up<a name="line.173"></a>
<span class="sourceLineNo">174</span> LOG.info("====== Waiting for compaction on {} ======", region.getRegionInfo());<a name="line.174"></a>
<span class="sourceLineNo">175</span> RetryCounter retrier = new RetryCounter(30, 1, TimeUnit.SECONDS);<a name="line.175"></a>
<span class="sourceLineNo">176</span> for (;;) {<a name="line.176"></a>
<span class="sourceLineNo">177</span> try {<a name="line.177"></a>
<span class="sourceLineNo">178</span> if (<a name="line.178"></a>
<span class="sourceLineNo">179</span> admin.getCompactionStateForRegion(region.getRegionInfo().getRegionName())<a name="line.179"></a>
<span class="sourceLineNo">180</span> == CompactionState.NONE<a name="line.180"></a>
<span class="sourceLineNo">181</span> ) {<a name="line.181"></a>
<span class="sourceLineNo">182</span> break;<a name="line.182"></a>
<span class="sourceLineNo">183</span> }<a name="line.183"></a>
<span class="sourceLineNo">184</span> } catch (IOException e) {<a name="line.184"></a>
<span class="sourceLineNo">185</span> LOG.warn("Failed to query");<a name="line.185"></a>
<span class="sourceLineNo">186</span> }<a name="line.186"></a>
<span class="sourceLineNo">187</span> if (!retrier.shouldRetry()) {<a name="line.187"></a>
<span class="sourceLineNo">188</span> throw new IOException("Can not finish compaction in time after attempt "<a name="line.188"></a>
<span class="sourceLineNo">189</span> + retrier.getAttemptTimes() + " times");<a name="line.189"></a>
<span class="sourceLineNo">190</span> }<a name="line.190"></a>
<span class="sourceLineNo">191</span> retrier.sleepUntilNextRetry();<a name="line.191"></a>
<span class="sourceLineNo">192</span> }<a name="line.192"></a>
<span class="sourceLineNo">193</span> LOG.info("====== Compaction on {} finished, close and archive compacted files ======",<a name="line.193"></a>
<span class="sourceLineNo">194</span> region.getRegionInfo());<a name="line.194"></a>
<span class="sourceLineNo">195</span> region.getStores().get(0).closeAndArchiveCompactedFiles();<a name="line.195"></a>
<span class="sourceLineNo">196</span> LOG.info("====== Close and archive compacted files on {} done ======",<a name="line.196"></a>
<span class="sourceLineNo">197</span> region.getRegionInfo());<a name="line.197"></a>
<span class="sourceLineNo">198</span> }<a name="line.198"></a>
<span class="sourceLineNo">199</span> Thread.sleep(5000);<a name="line.199"></a>
<span class="sourceLineNo">200</span> LOG.info("====== Balancing cluster ======");<a name="line.200"></a>
<span class="sourceLineNo">201</span> admin.balance(BalanceRequest.newBuilder().setIgnoreRegionsInTransition(true).build());<a name="line.201"></a>
<span class="sourceLineNo">202</span> LOG.info("====== Balance cluster done ======");<a name="line.202"></a>
<span class="sourceLineNo">203</span> Thread.sleep(5000);<a name="line.203"></a>
<span class="sourceLineNo">204</span> ServerName metaServer = TEST_UTIL.getHBaseCluster().getServerHoldingMeta();<a name="line.204"></a>
<span class="sourceLineNo">205</span> ServerName newMetaServer = TEST_UTIL.getHBaseCluster().getRegionServerThreads().stream()<a name="line.205"></a>
<span class="sourceLineNo">206</span> .map(t -&gt; t.getRegionServer().getServerName()).filter(s -&gt; !s.equals(metaServer)).findAny()<a name="line.206"></a>
<span class="sourceLineNo">207</span> .get();<a name="line.207"></a>
<span class="sourceLineNo">208</span> LOG.info("====== Moving meta from {} to {} ======", metaServer, newMetaServer);<a name="line.208"></a>
<span class="sourceLineNo">209</span> admin.move(RegionInfoBuilder.FIRST_META_REGIONINFO.getEncodedNameAsBytes(), newMetaServer);<a name="line.209"></a>
<span class="sourceLineNo">210</span> LOG.info("====== Move meta done ======");<a name="line.210"></a>
<span class="sourceLineNo">211</span> Thread.sleep(5000);<a name="line.211"></a>
<span class="sourceLineNo">212</span> }<a name="line.212"></a>
<span class="sourceLineNo">213</span> List&lt;LogEntry&gt; balancerDecisionRecords =<a name="line.213"></a>
<span class="sourceLineNo">214</span> admin.getLogEntries(null, "BALANCER_DECISION", ServerType.MASTER, 2, null);<a name="line.214"></a>
<span class="sourceLineNo">215</span> Assert.assertEquals(balancerDecisionRecords.size(), 2);<a name="line.215"></a>
<span class="sourceLineNo">216</span> LOG.info("====== Read test finished, shutdown thread pool ======");<a name="line.216"></a>
<span class="sourceLineNo">217</span> stop.set(true);<a name="line.217"></a>
<span class="sourceLineNo">218</span> executor.shutdown();<a name="line.218"></a>
<span class="sourceLineNo">219</span> for (int i = 0; i &lt; numThreads; i++) {<a name="line.219"></a>
<span class="sourceLineNo">220</span> LOG.info("====== Waiting for {} threads to finish, remaining {} ======", numThreads,<a name="line.220"></a>
<span class="sourceLineNo">221</span> numThreads - i);<a name="line.221"></a>
<span class="sourceLineNo">222</span> futures.get(i).get();<a name="line.222"></a>
<span class="sourceLineNo">223</span> }<a name="line.223"></a>
<span class="sourceLineNo">224</span> LOG.info("====== Test test finished ======");<a name="line.224"></a>
<span class="sourceLineNo">225</span> }<a name="line.225"></a>
<span class="sourceLineNo">226</span>}<a name="line.226"></a>
</pre>
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