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| <pre><span class="source-line-no">001</span><span id="line-1">/*</span> |
| <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span> |
| <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span> |
| <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span> |
| <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span> |
| <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span> |
| <span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span> |
| <span class="source-line-no">009</span><span id="line-9"> *</span> |
| <span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="source-line-no">011</span><span id="line-11"> *</span> |
| <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span> |
| <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span> |
| <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span> |
| <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span> |
| <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span> |
| <span class="source-line-no">017</span><span id="line-17"> */</span> |
| <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.mapreduce;</span> |
| <span class="source-line-no">019</span><span id="line-19"></span> |
| <span class="source-line-no">020</span><span id="line-20">import static org.junit.Assert.assertTrue;</span> |
| <span class="source-line-no">021</span><span id="line-21">import static org.junit.Assert.fail;</span> |
| <span class="source-line-no">022</span><span id="line-22"></span> |
| <span class="source-line-no">023</span><span id="line-23">import java.io.File;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.io.IOException;</span> |
| <span class="source-line-no">025</span><span id="line-25">import java.util.Iterator;</span> |
| <span class="source-line-no">026</span><span id="line-26">import java.util.Map;</span> |
| <span class="source-line-no">027</span><span id="line-27">import java.util.NavigableMap;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.fs.FileUtil;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.Cell;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.CellUtil;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.hbase.HBaseTestingUtil;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.hbase.HConstants;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.TableName;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.client.Put;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.client.Result;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.client.ResultScanner;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.client.Scan;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.client.Table;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.io.ImmutableBytesWritable;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.testclassification.LargeTests;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.testclassification.MapReduceTests;</span> |
| <span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.util.Bytes;</span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.mapreduce.Job;</span> |
| <span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;</span> |
| <span class="source-line-no">047</span><span id="line-47">import org.junit.AfterClass;</span> |
| <span class="source-line-no">048</span><span id="line-48">import org.junit.BeforeClass;</span> |
| <span class="source-line-no">049</span><span id="line-49">import org.junit.ClassRule;</span> |
| <span class="source-line-no">050</span><span id="line-50">import org.junit.Test;</span> |
| <span class="source-line-no">051</span><span id="line-51">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">052</span><span id="line-52">import org.slf4j.Logger;</span> |
| <span class="source-line-no">053</span><span id="line-53">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55">/**</span> |
| <span class="source-line-no">056</span><span id="line-56"> * Test Map/Reduce job over HBase tables. The map/reduce process we're testing on our tables is</span> |
| <span class="source-line-no">057</span><span id="line-57"> * simple - take every row in the table, reverse the value of a particular cell, and write it back</span> |
| <span class="source-line-no">058</span><span id="line-58"> * to the table.</span> |
| <span class="source-line-no">059</span><span id="line-59"> */</span> |
| <span class="source-line-no">060</span><span id="line-60">@Category({ MapReduceTests.class, LargeTests.class })</span> |
| <span class="source-line-no">061</span><span id="line-61">public class TestMultithreadedTableMapper {</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> @ClassRule</span> |
| <span class="source-line-no">064</span><span id="line-64"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">065</span><span id="line-65"> HBaseClassTestRule.forClass(TestMultithreadedTableMapper.class);</span> |
| <span class="source-line-no">066</span><span id="line-66"></span> |
| <span class="source-line-no">067</span><span id="line-67"> private static final Logger LOG = LoggerFactory.getLogger(TestMultithreadedTableMapper.class);</span> |
| <span class="source-line-no">068</span><span id="line-68"> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();</span> |
| <span class="source-line-no">069</span><span id="line-69"> static final TableName MULTI_REGION_TABLE_NAME = TableName.valueOf("mrtest");</span> |
| <span class="source-line-no">070</span><span id="line-70"> static final byte[] INPUT_FAMILY = Bytes.toBytes("contents");</span> |
| <span class="source-line-no">071</span><span id="line-71"> static final byte[] OUTPUT_FAMILY = Bytes.toBytes("text");</span> |
| <span class="source-line-no">072</span><span id="line-72"> static final int NUMBER_OF_THREADS = 10;</span> |
| <span class="source-line-no">073</span><span id="line-73"></span> |
| <span class="source-line-no">074</span><span id="line-74"> @BeforeClass</span> |
| <span class="source-line-no">075</span><span id="line-75"> public static void beforeClass() throws Exception {</span> |
| <span class="source-line-no">076</span><span id="line-76"> // Up the handlers; this test needs more than usual.</span> |
| <span class="source-line-no">077</span><span id="line-77"> UTIL.getConfiguration().setInt(HConstants.REGION_SERVER_HIGH_PRIORITY_HANDLER_COUNT, 10);</span> |
| <span class="source-line-no">078</span><span id="line-78"> UTIL.startMiniCluster();</span> |
| <span class="source-line-no">079</span><span id="line-79"> Table table = UTIL.createMultiRegionTable(MULTI_REGION_TABLE_NAME,</span> |
| <span class="source-line-no">080</span><span id="line-80"> new byte[][] { INPUT_FAMILY, OUTPUT_FAMILY });</span> |
| <span class="source-line-no">081</span><span id="line-81"> UTIL.loadTable(table, INPUT_FAMILY, false);</span> |
| <span class="source-line-no">082</span><span id="line-82"> UTIL.waitUntilAllRegionsAssigned(MULTI_REGION_TABLE_NAME);</span> |
| <span class="source-line-no">083</span><span id="line-83"> }</span> |
| <span class="source-line-no">084</span><span id="line-84"></span> |
| <span class="source-line-no">085</span><span id="line-85"> @AfterClass</span> |
| <span class="source-line-no">086</span><span id="line-86"> public static void afterClass() throws Exception {</span> |
| <span class="source-line-no">087</span><span id="line-87"> UTIL.shutdownMiniCluster();</span> |
| <span class="source-line-no">088</span><span id="line-88"> }</span> |
| <span class="source-line-no">089</span><span id="line-89"></span> |
| <span class="source-line-no">090</span><span id="line-90"> /**</span> |
| <span class="source-line-no">091</span><span id="line-91"> * Pass the given key and processed record reduce</span> |
| <span class="source-line-no">092</span><span id="line-92"> */</span> |
| <span class="source-line-no">093</span><span id="line-93"> public static class ProcessContentsMapper extends TableMapper<ImmutableBytesWritable, Put> {</span> |
| <span class="source-line-no">094</span><span id="line-94"></span> |
| <span class="source-line-no">095</span><span id="line-95"> /**</span> |
| <span class="source-line-no">096</span><span id="line-96"> * Pass the key, and reversed value to reduce</span> |
| <span class="source-line-no">097</span><span id="line-97"> */</span> |
| <span class="source-line-no">098</span><span id="line-98"> @Override</span> |
| <span class="source-line-no">099</span><span id="line-99"> public void map(ImmutableBytesWritable key, Result value, Context context)</span> |
| <span class="source-line-no">100</span><span id="line-100"> throws IOException, InterruptedException {</span> |
| <span class="source-line-no">101</span><span id="line-101"> if (value.size() != 1) {</span> |
| <span class="source-line-no">102</span><span id="line-102"> throw new IOException("There should only be one input column");</span> |
| <span class="source-line-no">103</span><span id="line-103"> }</span> |
| <span class="source-line-no">104</span><span id="line-104"> Map<byte[], NavigableMap<byte[], NavigableMap<Long, byte[]>>> cf = value.getMap();</span> |
| <span class="source-line-no">105</span><span id="line-105"> if (!cf.containsKey(INPUT_FAMILY)) {</span> |
| <span class="source-line-no">106</span><span id="line-106"> throw new IOException(</span> |
| <span class="source-line-no">107</span><span id="line-107"> "Wrong input columns. Missing: '" + Bytes.toString(INPUT_FAMILY) + "'.");</span> |
| <span class="source-line-no">108</span><span id="line-108"> }</span> |
| <span class="source-line-no">109</span><span id="line-109"> // Get the original value and reverse it</span> |
| <span class="source-line-no">110</span><span id="line-110"> String originalValue = Bytes.toString(value.getValue(INPUT_FAMILY, INPUT_FAMILY));</span> |
| <span class="source-line-no">111</span><span id="line-111"> StringBuilder newValue = new StringBuilder(originalValue);</span> |
| <span class="source-line-no">112</span><span id="line-112"> newValue.reverse();</span> |
| <span class="source-line-no">113</span><span id="line-113"> // Now set the value to be collected</span> |
| <span class="source-line-no">114</span><span id="line-114"> Put outval = new Put(key.get());</span> |
| <span class="source-line-no">115</span><span id="line-115"> outval.addColumn(OUTPUT_FAMILY, null, Bytes.toBytes(newValue.toString()));</span> |
| <span class="source-line-no">116</span><span id="line-116"> context.write(key, outval);</span> |
| <span class="source-line-no">117</span><span id="line-117"> }</span> |
| <span class="source-line-no">118</span><span id="line-118"> }</span> |
| <span class="source-line-no">119</span><span id="line-119"></span> |
| <span class="source-line-no">120</span><span id="line-120"> /**</span> |
| <span class="source-line-no">121</span><span id="line-121"> * Test multithreadedTableMappper map/reduce against a multi-region table</span> |
| <span class="source-line-no">122</span><span id="line-122"> */</span> |
| <span class="source-line-no">123</span><span id="line-123"> @Test</span> |
| <span class="source-line-no">124</span><span id="line-124"> public void testMultithreadedTableMapper()</span> |
| <span class="source-line-no">125</span><span id="line-125"> throws IOException, InterruptedException, ClassNotFoundException {</span> |
| <span class="source-line-no">126</span><span id="line-126"> runTestOnTable(UTIL.getConnection().getTable(MULTI_REGION_TABLE_NAME));</span> |
| <span class="source-line-no">127</span><span id="line-127"> }</span> |
| <span class="source-line-no">128</span><span id="line-128"></span> |
| <span class="source-line-no">129</span><span id="line-129"> private void runTestOnTable(Table table)</span> |
| <span class="source-line-no">130</span><span id="line-130"> throws IOException, InterruptedException, ClassNotFoundException {</span> |
| <span class="source-line-no">131</span><span id="line-131"> Job job = null;</span> |
| <span class="source-line-no">132</span><span id="line-132"> try {</span> |
| <span class="source-line-no">133</span><span id="line-133"> LOG.info("Before map/reduce startup");</span> |
| <span class="source-line-no">134</span><span id="line-134"> job = new Job(table.getConfiguration(), "process column contents");</span> |
| <span class="source-line-no">135</span><span id="line-135"> job.setNumReduceTasks(1);</span> |
| <span class="source-line-no">136</span><span id="line-136"> Scan scan = new Scan();</span> |
| <span class="source-line-no">137</span><span id="line-137"> scan.addFamily(INPUT_FAMILY);</span> |
| <span class="source-line-no">138</span><span id="line-138"> TableMapReduceUtil.initTableMapperJob(table.getName(), scan, MultithreadedTableMapper.class,</span> |
| <span class="source-line-no">139</span><span id="line-139"> ImmutableBytesWritable.class, Put.class, job);</span> |
| <span class="source-line-no">140</span><span id="line-140"> MultithreadedTableMapper.setMapperClass(job, ProcessContentsMapper.class);</span> |
| <span class="source-line-no">141</span><span id="line-141"> MultithreadedTableMapper.setNumberOfThreads(job, NUMBER_OF_THREADS);</span> |
| <span class="source-line-no">142</span><span id="line-142"> TableMapReduceUtil.initTableReducerJob(table.getName().getNameAsString(),</span> |
| <span class="source-line-no">143</span><span id="line-143"> IdentityTableReducer.class, job);</span> |
| <span class="source-line-no">144</span><span id="line-144"> FileOutputFormat.setOutputPath(job, new Path("test"));</span> |
| <span class="source-line-no">145</span><span id="line-145"> LOG.info("Started " + table.getName());</span> |
| <span class="source-line-no">146</span><span id="line-146"> assertTrue(job.waitForCompletion(true));</span> |
| <span class="source-line-no">147</span><span id="line-147"> LOG.info("After map/reduce completion");</span> |
| <span class="source-line-no">148</span><span id="line-148"> // verify map-reduce results</span> |
| <span class="source-line-no">149</span><span id="line-149"> verify(table.getName());</span> |
| <span class="source-line-no">150</span><span id="line-150"> } finally {</span> |
| <span class="source-line-no">151</span><span id="line-151"> table.close();</span> |
| <span class="source-line-no">152</span><span id="line-152"> if (job != null) {</span> |
| <span class="source-line-no">153</span><span id="line-153"> FileUtil.fullyDelete(new File(job.getConfiguration().get("hadoop.tmp.dir")));</span> |
| <span class="source-line-no">154</span><span id="line-154"> }</span> |
| <span class="source-line-no">155</span><span id="line-155"> }</span> |
| <span class="source-line-no">156</span><span id="line-156"> }</span> |
| <span class="source-line-no">157</span><span id="line-157"></span> |
| <span class="source-line-no">158</span><span id="line-158"> private void verify(TableName tableName) throws IOException {</span> |
| <span class="source-line-no">159</span><span id="line-159"> Table table = UTIL.getConnection().getTable(tableName);</span> |
| <span class="source-line-no">160</span><span id="line-160"> boolean verified = false;</span> |
| <span class="source-line-no">161</span><span id="line-161"> long pause = UTIL.getConfiguration().getLong("hbase.client.pause", 5 * 1000);</span> |
| <span class="source-line-no">162</span><span id="line-162"> int numRetries = UTIL.getConfiguration().getInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 5);</span> |
| <span class="source-line-no">163</span><span id="line-163"> for (int i = 0; i < numRetries; i++) {</span> |
| <span class="source-line-no">164</span><span id="line-164"> try {</span> |
| <span class="source-line-no">165</span><span id="line-165"> LOG.info("Verification attempt #" + i);</span> |
| <span class="source-line-no">166</span><span id="line-166"> verifyAttempt(table);</span> |
| <span class="source-line-no">167</span><span id="line-167"> verified = true;</span> |
| <span class="source-line-no">168</span><span id="line-168"> break;</span> |
| <span class="source-line-no">169</span><span id="line-169"> } catch (NullPointerException e) {</span> |
| <span class="source-line-no">170</span><span id="line-170"> // If here, a cell was empty. Presume its because updates came in</span> |
| <span class="source-line-no">171</span><span id="line-171"> // after the scanner had been opened. Wait a while and retry.</span> |
| <span class="source-line-no">172</span><span id="line-172"> LOG.debug("Verification attempt failed: " + e.getMessage());</span> |
| <span class="source-line-no">173</span><span id="line-173"> }</span> |
| <span class="source-line-no">174</span><span id="line-174"> try {</span> |
| <span class="source-line-no">175</span><span id="line-175"> Thread.sleep(pause);</span> |
| <span class="source-line-no">176</span><span id="line-176"> } catch (InterruptedException e) {</span> |
| <span class="source-line-no">177</span><span id="line-177"> // continue</span> |
| <span class="source-line-no">178</span><span id="line-178"> }</span> |
| <span class="source-line-no">179</span><span id="line-179"> }</span> |
| <span class="source-line-no">180</span><span id="line-180"> assertTrue(verified);</span> |
| <span class="source-line-no">181</span><span id="line-181"> table.close();</span> |
| <span class="source-line-no">182</span><span id="line-182"> }</span> |
| <span class="source-line-no">183</span><span id="line-183"></span> |
| <span class="source-line-no">184</span><span id="line-184"> /**</span> |
| <span class="source-line-no">185</span><span id="line-185"> * Looks at every value of the mapreduce output and verifies that indeed the values have been</span> |
| <span class="source-line-no">186</span><span id="line-186"> * reversed.</span> |
| <span class="source-line-no">187</span><span id="line-187"> * @param table Table to scan.</span> |
| <span class="source-line-no">188</span><span id="line-188"> * @throws NullPointerException if we failed to find a cell value</span> |
| <span class="source-line-no">189</span><span id="line-189"> */</span> |
| <span class="source-line-no">190</span><span id="line-190"> private void verifyAttempt(final Table table) throws IOException, NullPointerException {</span> |
| <span class="source-line-no">191</span><span id="line-191"> Scan scan = new Scan();</span> |
| <span class="source-line-no">192</span><span id="line-192"> scan.addFamily(INPUT_FAMILY);</span> |
| <span class="source-line-no">193</span><span id="line-193"> scan.addFamily(OUTPUT_FAMILY);</span> |
| <span class="source-line-no">194</span><span id="line-194"> ResultScanner scanner = table.getScanner(scan);</span> |
| <span class="source-line-no">195</span><span id="line-195"> try {</span> |
| <span class="source-line-no">196</span><span id="line-196"> Iterator<Result> itr = scanner.iterator();</span> |
| <span class="source-line-no">197</span><span id="line-197"> assertTrue(itr.hasNext());</span> |
| <span class="source-line-no">198</span><span id="line-198"> while (itr.hasNext()) {</span> |
| <span class="source-line-no">199</span><span id="line-199"> Result r = itr.next();</span> |
| <span class="source-line-no">200</span><span id="line-200"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">201</span><span id="line-201"> if (r.size() > 2) {</span> |
| <span class="source-line-no">202</span><span id="line-202"> throw new IOException("Too many results, expected 2 got " + r.size());</span> |
| <span class="source-line-no">203</span><span id="line-203"> }</span> |
| <span class="source-line-no">204</span><span id="line-204"> }</span> |
| <span class="source-line-no">205</span><span id="line-205"> byte[] firstValue = null;</span> |
| <span class="source-line-no">206</span><span id="line-206"> byte[] secondValue = null;</span> |
| <span class="source-line-no">207</span><span id="line-207"> int count = 0;</span> |
| <span class="source-line-no">208</span><span id="line-208"> for (Cell kv : r.listCells()) {</span> |
| <span class="source-line-no">209</span><span id="line-209"> if (count == 0) {</span> |
| <span class="source-line-no">210</span><span id="line-210"> firstValue = CellUtil.cloneValue(kv);</span> |
| <span class="source-line-no">211</span><span id="line-211"> } else if (count == 1) {</span> |
| <span class="source-line-no">212</span><span id="line-212"> secondValue = CellUtil.cloneValue(kv);</span> |
| <span class="source-line-no">213</span><span id="line-213"> } else if (count == 2) {</span> |
| <span class="source-line-no">214</span><span id="line-214"> break;</span> |
| <span class="source-line-no">215</span><span id="line-215"> }</span> |
| <span class="source-line-no">216</span><span id="line-216"> count++;</span> |
| <span class="source-line-no">217</span><span id="line-217"> }</span> |
| <span class="source-line-no">218</span><span id="line-218"> String first = "";</span> |
| <span class="source-line-no">219</span><span id="line-219"> if (firstValue == null) {</span> |
| <span class="source-line-no">220</span><span id="line-220"> throw new NullPointerException(Bytes.toString(r.getRow()) + ": first value is null");</span> |
| <span class="source-line-no">221</span><span id="line-221"> }</span> |
| <span class="source-line-no">222</span><span id="line-222"> first = Bytes.toString(firstValue);</span> |
| <span class="source-line-no">223</span><span id="line-223"> String second = "";</span> |
| <span class="source-line-no">224</span><span id="line-224"> if (secondValue == null) {</span> |
| <span class="source-line-no">225</span><span id="line-225"> throw new NullPointerException(Bytes.toString(r.getRow()) + ": second value is null");</span> |
| <span class="source-line-no">226</span><span id="line-226"> }</span> |
| <span class="source-line-no">227</span><span id="line-227"> byte[] secondReversed = new byte[secondValue.length];</span> |
| <span class="source-line-no">228</span><span id="line-228"> for (int i = 0, j = secondValue.length - 1; j >= 0; j--, i++) {</span> |
| <span class="source-line-no">229</span><span id="line-229"> secondReversed[i] = secondValue[j];</span> |
| <span class="source-line-no">230</span><span id="line-230"> }</span> |
| <span class="source-line-no">231</span><span id="line-231"> second = Bytes.toString(secondReversed);</span> |
| <span class="source-line-no">232</span><span id="line-232"> if (first.compareTo(second) != 0) {</span> |
| <span class="source-line-no">233</span><span id="line-233"> if (LOG.isDebugEnabled()) {</span> |
| <span class="source-line-no">234</span><span id="line-234"> LOG.debug(</span> |
| <span class="source-line-no">235</span><span id="line-235"> "second key is not the reverse of first. row=" + Bytes.toStringBinary(r.getRow())</span> |
| <span class="source-line-no">236</span><span id="line-236"> + ", first value=" + first + ", second value=" + second);</span> |
| <span class="source-line-no">237</span><span id="line-237"> }</span> |
| <span class="source-line-no">238</span><span id="line-238"> fail();</span> |
| <span class="source-line-no">239</span><span id="line-239"> }</span> |
| <span class="source-line-no">240</span><span id="line-240"> }</span> |
| <span class="source-line-no">241</span><span id="line-241"> } finally {</span> |
| <span class="source-line-no">242</span><span id="line-242"> scanner.close();</span> |
| <span class="source-line-no">243</span><span id="line-243"> }</span> |
| <span class="source-line-no">244</span><span id="line-244"> }</span> |
| <span class="source-line-no">245</span><span id="line-245"></span> |
| <span class="source-line-no">246</span><span id="line-246">}</span> |
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| </pre> |
| </div> |
| </main> |
| </body> |
| </html> |
