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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 java.io.File;</span>
<span class="source-line-no">021</span><span id="line-21">import java.io.IOException;</span>
<span class="source-line-no">022</span><span id="line-22">import java.util.ArrayList;</span>
<span class="source-line-no">023</span><span id="line-23">import java.util.List;</span>
<span class="source-line-no">024</span><span id="line-24">import java.util.Map;</span>
<span class="source-line-no">025</span><span id="line-25">import java.util.NavigableMap;</span>
<span class="source-line-no">026</span><span id="line-26">import java.util.TreeMap;</span>
<span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.conf.Configurable;</span>
<span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.conf.Configuration;</span>
<span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.fs.FileUtil;</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.TableName;</span>
<span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.hbase.client.Admin;</span>
<span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder;</span>
<span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.hbase.client.Connection;</span>
<span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.hbase.client.ConnectionFactory;</span>
<span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.hbase.client.Durability;</span>
<span class="source-line-no">040</span><span id="line-40">import org.apache.hadoop.hbase.client.Put;</span>
<span class="source-line-no">041</span><span id="line-41">import org.apache.hadoop.hbase.client.Result;</span>
<span class="source-line-no">042</span><span id="line-42">import org.apache.hadoop.hbase.client.ResultScanner;</span>
<span class="source-line-no">043</span><span id="line-43">import org.apache.hadoop.hbase.client.Scan;</span>
<span class="source-line-no">044</span><span id="line-44">import org.apache.hadoop.hbase.client.Table;</span>
<span class="source-line-no">045</span><span id="line-45">import org.apache.hadoop.hbase.client.TableDescriptor;</span>
<span class="source-line-no">046</span><span id="line-46">import org.apache.hadoop.hbase.client.TableDescriptorBuilder;</span>
<span class="source-line-no">047</span><span id="line-47">import org.apache.hadoop.hbase.io.ImmutableBytesWritable;</span>
<span class="source-line-no">048</span><span id="line-48">import org.apache.hadoop.hbase.testclassification.LargeTests;</span>
<span class="source-line-no">049</span><span id="line-49">import org.apache.hadoop.hbase.testclassification.MapReduceTests;</span>
<span class="source-line-no">050</span><span id="line-50">import org.apache.hadoop.hbase.util.Bytes;</span>
<span class="source-line-no">051</span><span id="line-51">import org.apache.hadoop.io.MapWritable;</span>
<span class="source-line-no">052</span><span id="line-52">import org.apache.hadoop.io.Text;</span>
<span class="source-line-no">053</span><span id="line-53">import org.apache.hadoop.mapreduce.Job;</span>
<span class="source-line-no">054</span><span id="line-54">import org.apache.hadoop.mapreduce.lib.output.NullOutputFormat;</span>
<span class="source-line-no">055</span><span id="line-55">import org.junit.AfterClass;</span>
<span class="source-line-no">056</span><span id="line-56">import org.junit.Before;</span>
<span class="source-line-no">057</span><span id="line-57">import org.junit.BeforeClass;</span>
<span class="source-line-no">058</span><span id="line-58">import org.junit.ClassRule;</span>
<span class="source-line-no">059</span><span id="line-59">import org.junit.Test;</span>
<span class="source-line-no">060</span><span id="line-60">import org.junit.experimental.categories.Category;</span>
<span class="source-line-no">061</span><span id="line-61">import org.slf4j.Logger;</span>
<span class="source-line-no">062</span><span id="line-62">import org.slf4j.LoggerFactory;</span>
<span class="source-line-no">063</span><span id="line-63"></span>
<span class="source-line-no">064</span><span id="line-64">@Category({ MapReduceTests.class, LargeTests.class })</span>
<span class="source-line-no">065</span><span id="line-65">public class TestTimeRangeMapRed {</span>
<span class="source-line-no">066</span><span id="line-66"></span>
<span class="source-line-no">067</span><span id="line-67"> @ClassRule</span>
<span class="source-line-no">068</span><span id="line-68"> public static final HBaseClassTestRule CLASS_RULE =</span>
<span class="source-line-no">069</span><span id="line-69"> HBaseClassTestRule.forClass(TestTimeRangeMapRed.class);</span>
<span class="source-line-no">070</span><span id="line-70"></span>
<span class="source-line-no">071</span><span id="line-71"> private final static Logger log = LoggerFactory.getLogger(TestTimeRangeMapRed.class);</span>
<span class="source-line-no">072</span><span id="line-72"> private static final HBaseTestingUtil UTIL = new HBaseTestingUtil();</span>
<span class="source-line-no">073</span><span id="line-73"> private Admin admin;</span>
<span class="source-line-no">074</span><span id="line-74"></span>
<span class="source-line-no">075</span><span id="line-75"> private static final byte[] KEY = Bytes.toBytes("row1");</span>
<span class="source-line-no">076</span><span id="line-76"> private static final NavigableMap&lt;Long, Boolean&gt; TIMESTAMP = new TreeMap&lt;&gt;();</span>
<span class="source-line-no">077</span><span id="line-77"> static {</span>
<span class="source-line-no">078</span><span id="line-78"> TIMESTAMP.put((long) 1245620000, false);</span>
<span class="source-line-no">079</span><span id="line-79"> TIMESTAMP.put((long) 1245620005, true); // include</span>
<span class="source-line-no">080</span><span id="line-80"> TIMESTAMP.put((long) 1245620010, true); // include</span>
<span class="source-line-no">081</span><span id="line-81"> TIMESTAMP.put((long) 1245620055, true); // include</span>
<span class="source-line-no">082</span><span id="line-82"> TIMESTAMP.put((long) 1245620100, true); // include</span>
<span class="source-line-no">083</span><span id="line-83"> TIMESTAMP.put((long) 1245620150, false);</span>
<span class="source-line-no">084</span><span id="line-84"> TIMESTAMP.put((long) 1245620250, false);</span>
<span class="source-line-no">085</span><span id="line-85"> }</span>
<span class="source-line-no">086</span><span id="line-86"> static final long MINSTAMP = 1245620005;</span>
<span class="source-line-no">087</span><span id="line-87"> static final long MAXSTAMP = 1245620100 + 1; // maxStamp itself is excluded. so increment it.</span>
<span class="source-line-no">088</span><span id="line-88"></span>
<span class="source-line-no">089</span><span id="line-89"> static final TableName TABLE_NAME = TableName.valueOf("table123");</span>
<span class="source-line-no">090</span><span id="line-90"> static final byte[] FAMILY_NAME = Bytes.toBytes("text");</span>
<span class="source-line-no">091</span><span id="line-91"> static final byte[] COLUMN_NAME = Bytes.toBytes("input");</span>
<span class="source-line-no">092</span><span id="line-92"></span>
<span class="source-line-no">093</span><span id="line-93"> @BeforeClass</span>
<span class="source-line-no">094</span><span id="line-94"> public static void beforeClass() throws Exception {</span>
<span class="source-line-no">095</span><span id="line-95"> UTIL.startMiniCluster();</span>
<span class="source-line-no">096</span><span id="line-96"> }</span>
<span class="source-line-no">097</span><span id="line-97"></span>
<span class="source-line-no">098</span><span id="line-98"> @AfterClass</span>
<span class="source-line-no">099</span><span id="line-99"> public static void afterClass() throws Exception {</span>
<span class="source-line-no">100</span><span id="line-100"> UTIL.shutdownMiniCluster();</span>
<span class="source-line-no">101</span><span id="line-101"> }</span>
<span class="source-line-no">102</span><span id="line-102"></span>
<span class="source-line-no">103</span><span id="line-103"> @Before</span>
<span class="source-line-no">104</span><span id="line-104"> public void before() throws Exception {</span>
<span class="source-line-no">105</span><span id="line-105"> this.admin = UTIL.getAdmin();</span>
<span class="source-line-no">106</span><span id="line-106"> }</span>
<span class="source-line-no">107</span><span id="line-107"></span>
<span class="source-line-no">108</span><span id="line-108"> private static class ProcessTimeRangeMapper</span>
<span class="source-line-no">109</span><span id="line-109"> extends TableMapper&lt;ImmutableBytesWritable, MapWritable&gt; implements Configurable {</span>
<span class="source-line-no">110</span><span id="line-110"></span>
<span class="source-line-no">111</span><span id="line-111"> private Configuration conf = null;</span>
<span class="source-line-no">112</span><span id="line-112"> private Table table = null;</span>
<span class="source-line-no">113</span><span id="line-113"></span>
<span class="source-line-no">114</span><span id="line-114"> @Override</span>
<span class="source-line-no">115</span><span id="line-115"> public void map(ImmutableBytesWritable key, Result result, Context context) throws IOException {</span>
<span class="source-line-no">116</span><span id="line-116"> List&lt;Long&gt; tsList = new ArrayList&lt;&gt;();</span>
<span class="source-line-no">117</span><span id="line-117"> for (Cell kv : result.listCells()) {</span>
<span class="source-line-no">118</span><span id="line-118"> tsList.add(kv.getTimestamp());</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"> List&lt;Put&gt; puts = new ArrayList&lt;&gt;();</span>
<span class="source-line-no">122</span><span id="line-122"> for (Long ts : tsList) {</span>
<span class="source-line-no">123</span><span id="line-123"> Put put = new Put(key.get());</span>
<span class="source-line-no">124</span><span id="line-124"> put.setDurability(Durability.SKIP_WAL);</span>
<span class="source-line-no">125</span><span id="line-125"> put.addColumn(FAMILY_NAME, COLUMN_NAME, ts, Bytes.toBytes(true));</span>
<span class="source-line-no">126</span><span id="line-126"> puts.add(put);</span>
<span class="source-line-no">127</span><span id="line-127"> }</span>
<span class="source-line-no">128</span><span id="line-128"> table.put(puts);</span>
<span class="source-line-no">129</span><span id="line-129"> }</span>
<span class="source-line-no">130</span><span id="line-130"></span>
<span class="source-line-no">131</span><span id="line-131"> @Override</span>
<span class="source-line-no">132</span><span id="line-132"> public Configuration getConf() {</span>
<span class="source-line-no">133</span><span id="line-133"> return conf;</span>
<span class="source-line-no">134</span><span id="line-134"> }</span>
<span class="source-line-no">135</span><span id="line-135"></span>
<span class="source-line-no">136</span><span id="line-136"> @Override</span>
<span class="source-line-no">137</span><span id="line-137"> public void setConf(Configuration configuration) {</span>
<span class="source-line-no">138</span><span id="line-138"> this.conf = configuration;</span>
<span class="source-line-no">139</span><span id="line-139"> try {</span>
<span class="source-line-no">140</span><span id="line-140"> Connection connection = ConnectionFactory.createConnection(conf);</span>
<span class="source-line-no">141</span><span id="line-141"> table = connection.getTable(TABLE_NAME);</span>
<span class="source-line-no">142</span><span id="line-142"> } catch (IOException e) {</span>
<span class="source-line-no">143</span><span id="line-143"> e.printStackTrace();</span>
<span class="source-line-no">144</span><span id="line-144"> }</span>
<span class="source-line-no">145</span><span id="line-145"> }</span>
<span class="source-line-no">146</span><span id="line-146"> }</span>
<span class="source-line-no">147</span><span id="line-147"></span>
<span class="source-line-no">148</span><span id="line-148"> @Test</span>
<span class="source-line-no">149</span><span id="line-149"> public void testTimeRangeMapRed()</span>
<span class="source-line-no">150</span><span id="line-150"> throws IOException, InterruptedException, ClassNotFoundException {</span>
<span class="source-line-no">151</span><span id="line-151"> final TableDescriptor tableDescriptor =</span>
<span class="source-line-no">152</span><span id="line-152"> TableDescriptorBuilder.newBuilder(TABLE_NAME).setColumnFamily(ColumnFamilyDescriptorBuilder</span>
<span class="source-line-no">153</span><span id="line-153"> .newBuilder(FAMILY_NAME).setMaxVersions(Integer.MAX_VALUE).build()).build();</span>
<span class="source-line-no">154</span><span id="line-154"> admin.createTable(tableDescriptor);</span>
<span class="source-line-no">155</span><span id="line-155"> List&lt;Put&gt; puts = new ArrayList&lt;&gt;();</span>
<span class="source-line-no">156</span><span id="line-156"> for (Map.Entry&lt;Long, Boolean&gt; entry : TIMESTAMP.entrySet()) {</span>
<span class="source-line-no">157</span><span id="line-157"> Put put = new Put(KEY);</span>
<span class="source-line-no">158</span><span id="line-158"> put.setDurability(Durability.SKIP_WAL);</span>
<span class="source-line-no">159</span><span id="line-159"> put.addColumn(FAMILY_NAME, COLUMN_NAME, entry.getKey(), Bytes.toBytes(false));</span>
<span class="source-line-no">160</span><span id="line-160"> puts.add(put);</span>
<span class="source-line-no">161</span><span id="line-161"> }</span>
<span class="source-line-no">162</span><span id="line-162"> Table table = UTIL.getConnection().getTable(tableDescriptor.getTableName());</span>
<span class="source-line-no">163</span><span id="line-163"> table.put(puts);</span>
<span class="source-line-no">164</span><span id="line-164"> runTestOnTable();</span>
<span class="source-line-no">165</span><span id="line-165"> verify(table);</span>
<span class="source-line-no">166</span><span id="line-166"> table.close();</span>
<span class="source-line-no">167</span><span id="line-167"> }</span>
<span class="source-line-no">168</span><span id="line-168"></span>
<span class="source-line-no">169</span><span id="line-169"> private void runTestOnTable() throws IOException, InterruptedException, ClassNotFoundException {</span>
<span class="source-line-no">170</span><span id="line-170"> Job job = null;</span>
<span class="source-line-no">171</span><span id="line-171"> try {</span>
<span class="source-line-no">172</span><span id="line-172"> job = new Job(UTIL.getConfiguration(), "test123");</span>
<span class="source-line-no">173</span><span id="line-173"> job.setOutputFormatClass(NullOutputFormat.class);</span>
<span class="source-line-no">174</span><span id="line-174"> job.setNumReduceTasks(0);</span>
<span class="source-line-no">175</span><span id="line-175"> Scan scan = new Scan();</span>
<span class="source-line-no">176</span><span id="line-176"> scan.addColumn(FAMILY_NAME, COLUMN_NAME);</span>
<span class="source-line-no">177</span><span id="line-177"> scan.setTimeRange(MINSTAMP, MAXSTAMP);</span>
<span class="source-line-no">178</span><span id="line-178"> scan.readAllVersions();</span>
<span class="source-line-no">179</span><span id="line-179"> TableMapReduceUtil.initTableMapperJob(TABLE_NAME, scan, ProcessTimeRangeMapper.class,</span>
<span class="source-line-no">180</span><span id="line-180"> Text.class, Text.class, job);</span>
<span class="source-line-no">181</span><span id="line-181"> job.waitForCompletion(true);</span>
<span class="source-line-no">182</span><span id="line-182"> } catch (IOException e) {</span>
<span class="source-line-no">183</span><span id="line-183"> // TODO Auto-generated catch block</span>
<span class="source-line-no">184</span><span id="line-184"> e.printStackTrace();</span>
<span class="source-line-no">185</span><span id="line-185"> } finally {</span>
<span class="source-line-no">186</span><span id="line-186"> if (job != null) {</span>
<span class="source-line-no">187</span><span id="line-187"> FileUtil.fullyDelete(new File(job.getConfiguration().get("hadoop.tmp.dir")));</span>
<span class="source-line-no">188</span><span id="line-188"> }</span>
<span class="source-line-no">189</span><span id="line-189"> }</span>
<span class="source-line-no">190</span><span id="line-190"> }</span>
<span class="source-line-no">191</span><span id="line-191"></span>
<span class="source-line-no">192</span><span id="line-192"> private void verify(final Table table) throws IOException {</span>
<span class="source-line-no">193</span><span id="line-193"> Scan scan = new Scan();</span>
<span class="source-line-no">194</span><span id="line-194"> scan.addColumn(FAMILY_NAME, COLUMN_NAME);</span>
<span class="source-line-no">195</span><span id="line-195"> scan.readVersions(1);</span>
<span class="source-line-no">196</span><span id="line-196"> ResultScanner scanner = table.getScanner(scan);</span>
<span class="source-line-no">197</span><span id="line-197"> for (Result r : scanner) {</span>
<span class="source-line-no">198</span><span id="line-198"> for (Cell kv : r.listCells()) {</span>
<span class="source-line-no">199</span><span id="line-199"> log.debug(Bytes.toString(r.getRow()) + "\t" + Bytes.toString(CellUtil.cloneFamily(kv))</span>
<span class="source-line-no">200</span><span id="line-200"> + "\t" + Bytes.toString(CellUtil.cloneQualifier(kv)) + "\t" + kv.getTimestamp() + "\t"</span>
<span class="source-line-no">201</span><span id="line-201"> + Bytes.toBoolean(CellUtil.cloneValue(kv)));</span>
<span class="source-line-no">202</span><span id="line-202"> org.junit.Assert.assertEquals(TIMESTAMP.get(kv.getTimestamp()),</span>
<span class="source-line-no">203</span><span id="line-203"> Bytes.toBoolean(CellUtil.cloneValue(kv)));</span>
<span class="source-line-no">204</span><span id="line-204"> }</span>
<span class="source-line-no">205</span><span id="line-205"> }</span>
<span class="source-line-no">206</span><span id="line-206"> scanner.close();</span>
<span class="source-line-no">207</span><span id="line-207"> }</span>
<span class="source-line-no">208</span><span id="line-208"></span>
<span class="source-line-no">209</span><span id="line-209">}</span>
</pre>
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