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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.regionserver.wal;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import static org.junit.Assert.assertEquals;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.lang.reflect.Field;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.List;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.NavigableMap;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.TreeMap;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.concurrent.CountDownLatch;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.concurrent.ExecutorService;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.concurrent.Executors;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.conf.Configuration;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.fs.FileSystem;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.fs.Path;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.HBaseClassTestRule;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HConstants;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.TableName;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.Put;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.TableDescriptorBuilder;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.regionserver.ChunkCreator;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.regionserver.MemStoreLAB;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.testclassification.RegionServerTests;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.CommonFSUtils;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.wal.WALEdit;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.wal.WALKey;<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.Rule;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>import org.junit.Test;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span>import org.junit.experimental.categories.Category;<a name="line.57"></a> |
| <span class="sourceLineNo">058</span>import org.junit.rules.TestName;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span>/**<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * Provides FSHLog test cases.<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> */<a name="line.62"></a> |
| <span class="sourceLineNo">063</span>@Category({ RegionServerTests.class, MediumTests.class })<a name="line.63"></a> |
| <span class="sourceLineNo">064</span>public class TestFSHLog extends AbstractTestFSWAL {<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> @ClassRule<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> public static final HBaseClassTestRule CLASS_RULE =<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> HBaseClassTestRule.forClass(TestFSHLog.class);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> @Rule<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> public TestName name = new TestName();<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> @Override<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> protected AbstractFSWAL<?> newWAL(FileSystem fs, Path rootDir, String walDir, String archiveDir,<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> Configuration conf, List<WALActionsListener> listeners, boolean failIfWALExists,<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> String prefix, String suffix) throws IOException {<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> FSHLog wal =<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> new FSHLog(fs, rootDir, walDir, archiveDir, conf, listeners, failIfWALExists, prefix, suffix);<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> wal.init();<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> return wal;<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> }<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> @Override<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> protected AbstractFSWAL<?> newSlowWAL(FileSystem fs, Path rootDir, String walDir,<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> String archiveDir, Configuration conf, List<WALActionsListener> listeners,<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> boolean failIfWALExists, String prefix, String suffix, final Runnable action)<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> throws IOException {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> FSHLog wal = new FSHLog(fs, rootDir, walDir, archiveDir, conf, listeners, failIfWALExists,<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> prefix, suffix) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span><a name="line.90"></a> |
| <span class="sourceLineNo">091</span> @Override<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> protected void atHeadOfRingBufferEventHandlerAppend() {<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> action.run();<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> super.atHeadOfRingBufferEventHandlerAppend();<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> }<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> };<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> wal.init();<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> return wal;<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> }<a name="line.99"></a> |
| <span class="sourceLineNo">100</span><a name="line.100"></a> |
| <span class="sourceLineNo">101</span> @Test<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> public void testSyncRunnerIndexOverflow() throws IOException, NoSuchFieldException,<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> SecurityException, IllegalArgumentException, IllegalAccessException {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> final String name = this.name.getMethodName();<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> FSHLog log = new FSHLog(FS, CommonFSUtils.getRootDir(CONF), name,<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> HConstants.HREGION_OLDLOGDIR_NAME, CONF, null, true, null, null);<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> log.init();<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> try {<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> Field ringBufferEventHandlerField = FSHLog.class.getDeclaredField("ringBufferEventHandler");<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> ringBufferEventHandlerField.setAccessible(true);<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> FSHLog.RingBufferEventHandler ringBufferEventHandler =<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> (FSHLog.RingBufferEventHandler) ringBufferEventHandlerField.get(log);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> Field syncRunnerIndexField =<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> FSHLog.RingBufferEventHandler.class.getDeclaredField("syncRunnerIndex");<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> syncRunnerIndexField.setAccessible(true);<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> syncRunnerIndexField.set(ringBufferEventHandler, Integer.MAX_VALUE - 1);<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> TableDescriptor htd =<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> TableDescriptorBuilder.newBuilder(TableName.valueOf(this.name.getMethodName()))<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.of("row")).build();<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> NavigableMap<byte[], Integer> scopes = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> for (byte[] fam : htd.getColumnFamilyNames()) {<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> scopes.put(fam, 0);<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> }<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> RegionInfo hri = RegionInfoBuilder.newBuilder(htd.getTableName()).build();<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> MultiVersionConcurrencyControl mvcc = new MultiVersionConcurrencyControl();<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> for (int i = 0; i < 10; i++) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> addEdits(log, hri, htd, 1, mvcc, scopes, "row");<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> }<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> } finally {<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> log.close();<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><a name="line.133"></a> |
| <span class="sourceLineNo">134</span> /**<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> * Test case for https://issues.apache.org/jira/browse/HBASE-16721<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> */<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> @Test<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> public void testUnflushedSeqIdTracking() throws IOException, InterruptedException {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> final String name = this.name.getMethodName();<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> final byte[] b = Bytes.toBytes("b");<a name="line.140"></a> |
| <span class="sourceLineNo">141</span><a name="line.141"></a> |
| <span class="sourceLineNo">142</span> final AtomicBoolean startHoldingForAppend = new AtomicBoolean(false);<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> final CountDownLatch holdAppend = new CountDownLatch(1);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> final CountDownLatch flushFinished = new CountDownLatch(1);<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> final CountDownLatch putFinished = new CountDownLatch(1);<a name="line.145"></a> |
| <span class="sourceLineNo">146</span><a name="line.146"></a> |
| <span class="sourceLineNo">147</span> try (FSHLog log = new FSHLog(FS, CommonFSUtils.getRootDir(CONF), name,<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> HConstants.HREGION_OLDLOGDIR_NAME, CONF, null, true, null, null)) {<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> log.init();<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> log.registerWALActionsListener(new WALActionsListener() {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> @Override<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> public void visitLogEntryBeforeWrite(WALKey logKey, WALEdit logEdit)<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> throws IOException {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> if (startHoldingForAppend.get()) {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> try {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> holdAppend.await();<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> } catch (InterruptedException e) {<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> LOG.error(e.toString(), e);<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> }<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> }<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><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> // open a new region which uses this WAL<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> TableDescriptor htd =<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> TableDescriptorBuilder.newBuilder(TableName.valueOf(this.name.getMethodName()))<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> .setColumnFamily(ColumnFamilyDescriptorBuilder.of(b)).build();<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> RegionInfo hri = RegionInfoBuilder.newBuilder(htd.getTableName()).build();<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> ChunkCreator.initialize(MemStoreLAB.CHUNK_SIZE_DEFAULT, false, 0, 0,<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> 0, null, MemStoreLAB.INDEX_CHUNK_SIZE_PERCENTAGE_DEFAULT);<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> final HRegion region = TEST_UTIL.createLocalHRegion(hri, htd, log);<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> ExecutorService exec = Executors.newFixedThreadPool(2);<a name="line.172"></a> |
| <span class="sourceLineNo">173</span><a name="line.173"></a> |
| <span class="sourceLineNo">174</span> // do a regular write first because of memstore size calculation.<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> region.put(new Put(b).addColumn(b, b,b));<a name="line.175"></a> |
| <span class="sourceLineNo">176</span><a name="line.176"></a> |
| <span class="sourceLineNo">177</span> startHoldingForAppend.set(true);<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> exec.submit(new Runnable() {<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> @Override<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> public void run() {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> try {<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> region.put(new Put(b).addColumn(b, b,b));<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> putFinished.countDown();<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> } catch (IOException e) {<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> LOG.error(e.toString(), e);<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> });<a name="line.188"></a> |
| <span class="sourceLineNo">189</span><a name="line.189"></a> |
| <span class="sourceLineNo">190</span> // give the put a chance to start<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> Threads.sleep(3000);<a name="line.191"></a> |
| <span class="sourceLineNo">192</span><a name="line.192"></a> |
| <span class="sourceLineNo">193</span> exec.submit(new Runnable() {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> @Override<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> public void run() {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> try {<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> HRegion.FlushResult flushResult = region.flush(true);<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> LOG.info("Flush result:" + flushResult.getResult());<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> LOG.info("Flush succeeded:" + flushResult.isFlushSucceeded());<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> flushFinished.countDown();<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> } catch (IOException e) {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> LOG.error(e.toString(), e);<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> }<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> }<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> });<a name="line.205"></a> |
| <span class="sourceLineNo">206</span><a name="line.206"></a> |
| <span class="sourceLineNo">207</span> // give the flush a chance to start. Flush should have got the region lock, and<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> // should have been waiting on the mvcc complete after this.<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> Threads.sleep(3000);<a name="line.209"></a> |
| <span class="sourceLineNo">210</span><a name="line.210"></a> |
| <span class="sourceLineNo">211</span> // let the append to WAL go through now that the flush already started<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> holdAppend.countDown();<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> putFinished.await();<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> flushFinished.await();<a name="line.214"></a> |
| <span class="sourceLineNo">215</span><a name="line.215"></a> |
| <span class="sourceLineNo">216</span> // check whether flush went through<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> assertEquals("Region did not flush?", 1, region.getStoreFileList(new byte[][]{b}).size());<a name="line.217"></a> |
| <span class="sourceLineNo">218</span><a name="line.218"></a> |
| <span class="sourceLineNo">219</span> // now check the region's unflushed seqIds.<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> long seqId = log.getEarliestMemStoreSeqNum(hri.getEncodedNameAsBytes());<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> assertEquals("Found seqId for the region which is already flushed",<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> HConstants.NO_SEQNUM, seqId);<a name="line.222"></a> |
| <span class="sourceLineNo">223</span><a name="line.223"></a> |
| <span class="sourceLineNo">224</span> region.close();<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> |
| <span class="sourceLineNo">227</span>}<a name="line.227"></a> |
| |
| |
| |
| |
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| </pre> |
| </div> |
| </body> |
| </html> |
