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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.mapred;</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"></span> |
| <span class="source-line-no">022</span><span id="line-22">import java.io.IOException;</span> |
| <span class="source-line-no">023</span><span id="line-23">import java.util.Iterator;</span> |
| <span class="source-line-no">024</span><span id="line-24">import java.util.List;</span> |
| <span class="source-line-no">025</span><span id="line-25">import org.apache.hadoop.conf.Configuration;</span> |
| <span class="source-line-no">026</span><span id="line-26">import org.apache.hadoop.fs.Path;</span> |
| <span class="source-line-no">027</span><span id="line-27">import org.apache.hadoop.hbase.HBaseClassTestRule;</span> |
| <span class="source-line-no">028</span><span id="line-28">import org.apache.hadoop.hbase.client.Result;</span> |
| <span class="source-line-no">029</span><span id="line-29">import org.apache.hadoop.hbase.client.Scan;</span> |
| <span class="source-line-no">030</span><span id="line-30">import org.apache.hadoop.hbase.io.ImmutableBytesWritable;</span> |
| <span class="source-line-no">031</span><span id="line-31">import org.apache.hadoop.hbase.testclassification.LargeTests;</span> |
| <span class="source-line-no">032</span><span id="line-32">import org.apache.hadoop.hbase.testclassification.VerySlowMapReduceTests;</span> |
| <span class="source-line-no">033</span><span id="line-33">import org.apache.hadoop.io.NullWritable;</span> |
| <span class="source-line-no">034</span><span id="line-34">import org.apache.hadoop.mapred.FileOutputFormat;</span> |
| <span class="source-line-no">035</span><span id="line-35">import org.apache.hadoop.mapred.JobClient;</span> |
| <span class="source-line-no">036</span><span id="line-36">import org.apache.hadoop.mapred.JobConf;</span> |
| <span class="source-line-no">037</span><span id="line-37">import org.apache.hadoop.mapred.OutputCollector;</span> |
| <span class="source-line-no">038</span><span id="line-38">import org.apache.hadoop.mapred.Reporter;</span> |
| <span class="source-line-no">039</span><span id="line-39">import org.apache.hadoop.mapred.RunningJob;</span> |
| <span class="source-line-no">040</span><span id="line-40">import org.junit.ClassRule;</span> |
| <span class="source-line-no">041</span><span id="line-41">import org.junit.experimental.categories.Category;</span> |
| <span class="source-line-no">042</span><span id="line-42">import org.slf4j.Logger;</span> |
| <span class="source-line-no">043</span><span id="line-43">import org.slf4j.LoggerFactory;</span> |
| <span class="source-line-no">044</span><span id="line-44"></span> |
| <span class="source-line-no">045</span><span id="line-45">import org.apache.hbase.thirdparty.com.google.common.collect.Lists;</span> |
| <span class="source-line-no">046</span><span id="line-46"></span> |
| <span class="source-line-no">047</span><span id="line-47">@Category({ VerySlowMapReduceTests.class, LargeTests.class })</span> |
| <span class="source-line-no">048</span><span id="line-48">public class TestMultiTableSnapshotInputFormat</span> |
| <span class="source-line-no">049</span><span id="line-49"> extends org.apache.hadoop.hbase.mapreduce.TestMultiTableSnapshotInputFormat {</span> |
| <span class="source-line-no">050</span><span id="line-50"></span> |
| <span class="source-line-no">051</span><span id="line-51"> @ClassRule</span> |
| <span class="source-line-no">052</span><span id="line-52"> public static final HBaseClassTestRule CLASS_RULE =</span> |
| <span class="source-line-no">053</span><span id="line-53"> HBaseClassTestRule.forClass(TestMultiTableSnapshotInputFormat.class);</span> |
| <span class="source-line-no">054</span><span id="line-54"></span> |
| <span class="source-line-no">055</span><span id="line-55"> private static final Logger LOG =</span> |
| <span class="source-line-no">056</span><span id="line-56"> LoggerFactory.getLogger(TestMultiTableSnapshotInputFormat.class);</span> |
| <span class="source-line-no">057</span><span id="line-57"></span> |
| <span class="source-line-no">058</span><span id="line-58"> @Override</span> |
| <span class="source-line-no">059</span><span id="line-59"> protected void runJob(String jobName, Configuration c, List<Scan> scans)</span> |
| <span class="source-line-no">060</span><span id="line-60"> throws IOException, InterruptedException, ClassNotFoundException {</span> |
| <span class="source-line-no">061</span><span id="line-61"> JobConf job = new JobConf(TEST_UTIL.getConfiguration());</span> |
| <span class="source-line-no">062</span><span id="line-62"></span> |
| <span class="source-line-no">063</span><span id="line-63"> job.setJobName(jobName);</span> |
| <span class="source-line-no">064</span><span id="line-64"> job.setMapperClass(Mapper.class);</span> |
| <span class="source-line-no">065</span><span id="line-65"> job.setReducerClass(Reducer.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"> TableMapReduceUtil.initMultiTableSnapshotMapperJob(getSnapshotScanMapping(scans), Mapper.class,</span> |
| <span class="source-line-no">068</span><span id="line-68"> ImmutableBytesWritable.class, ImmutableBytesWritable.class, job, true, restoreDir);</span> |
| <span class="source-line-no">069</span><span id="line-69"></span> |
| <span class="source-line-no">070</span><span id="line-70"> TableMapReduceUtil.addDependencyJars(job);</span> |
| <span class="source-line-no">071</span><span id="line-71"></span> |
| <span class="source-line-no">072</span><span id="line-72"> job.setReducerClass(Reducer.class);</span> |
| <span class="source-line-no">073</span><span id="line-73"> job.setNumReduceTasks(1); // one to get final "first" and "last" key</span> |
| <span class="source-line-no">074</span><span id="line-74"> FileOutputFormat.setOutputPath(job, new Path(job.getJobName()));</span> |
| <span class="source-line-no">075</span><span id="line-75"> LOG.info("Started " + job.getJobName());</span> |
| <span class="source-line-no">076</span><span id="line-76"></span> |
| <span class="source-line-no">077</span><span id="line-77"> RunningJob runningJob = JobClient.runJob(job);</span> |
| <span class="source-line-no">078</span><span id="line-78"> runningJob.waitForCompletion();</span> |
| <span class="source-line-no">079</span><span id="line-79"> assertTrue(runningJob.isSuccessful());</span> |
| <span class="source-line-no">080</span><span id="line-80"> LOG.info("After map/reduce completion - job " + jobName);</span> |
| <span class="source-line-no">081</span><span id="line-81"> }</span> |
| <span class="source-line-no">082</span><span id="line-82"></span> |
| <span class="source-line-no">083</span><span id="line-83"> public static class Mapper extends TestMultiTableSnapshotInputFormat.ScanMapper</span> |
| <span class="source-line-no">084</span><span id="line-84"> implements TableMap<ImmutableBytesWritable, ImmutableBytesWritable> {</span> |
| <span class="source-line-no">085</span><span id="line-85"></span> |
| <span class="source-line-no">086</span><span id="line-86"> @Override</span> |
| <span class="source-line-no">087</span><span id="line-87"> public void map(ImmutableBytesWritable key, Result value,</span> |
| <span class="source-line-no">088</span><span id="line-88"> OutputCollector<ImmutableBytesWritable, ImmutableBytesWritable> outputCollector,</span> |
| <span class="source-line-no">089</span><span id="line-89"> Reporter reporter) throws IOException {</span> |
| <span class="source-line-no">090</span><span id="line-90"> makeAssertions(key, value);</span> |
| <span class="source-line-no">091</span><span id="line-91"> outputCollector.collect(key, key);</span> |
| <span class="source-line-no">092</span><span id="line-92"> }</span> |
| <span class="source-line-no">093</span><span id="line-93"></span> |
| <span class="source-line-no">094</span><span id="line-94"> /**</span> |
| <span class="source-line-no">095</span><span id="line-95"> * Closes this stream and releases any system resources associated with it. If the stream is</span> |
| <span class="source-line-no">096</span><span id="line-96"> * already closed then invoking this method has no effect.</span> |
| <span class="source-line-no">097</span><span id="line-97"> * @throws IOException if an I/O error occurs</span> |
| <span class="source-line-no">098</span><span id="line-98"> */</span> |
| <span class="source-line-no">099</span><span id="line-99"> @Override</span> |
| <span class="source-line-no">100</span><span id="line-100"> public void close() throws IOException {</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"> @Override</span> |
| <span class="source-line-no">104</span><span id="line-104"> public void configure(JobConf jobConf) {</span> |
| <span class="source-line-no">105</span><span id="line-105"></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"></span> |
| <span class="source-line-no">109</span><span id="line-109"> public static class Reducer extends TestMultiTableSnapshotInputFormat.ScanReducer</span> |
| <span class="source-line-no">110</span><span id="line-110"> implements org.apache.hadoop.mapred.Reducer<ImmutableBytesWritable, ImmutableBytesWritable,</span> |
| <span class="source-line-no">111</span><span id="line-111"> NullWritable, NullWritable> {</span> |
| <span class="source-line-no">112</span><span id="line-112"></span> |
| <span class="source-line-no">113</span><span id="line-113"> private JobConf jobConf;</span> |
| <span class="source-line-no">114</span><span id="line-114"></span> |
| <span class="source-line-no">115</span><span id="line-115"> @Override</span> |
| <span class="source-line-no">116</span><span id="line-116"> public void reduce(ImmutableBytesWritable key, Iterator<ImmutableBytesWritable> values,</span> |
| <span class="source-line-no">117</span><span id="line-117"> OutputCollector<NullWritable, NullWritable> outputCollector, Reporter reporter)</span> |
| <span class="source-line-no">118</span><span id="line-118"> throws IOException {</span> |
| <span class="source-line-no">119</span><span id="line-119"> makeAssertions(key, Lists.newArrayList(values));</span> |
| <span class="source-line-no">120</span><span id="line-120"> }</span> |
| <span class="source-line-no">121</span><span id="line-121"></span> |
| <span class="source-line-no">122</span><span id="line-122"> /**</span> |
| <span class="source-line-no">123</span><span id="line-123"> * Closes this stream and releases any system resources associated with it. If the stream is</span> |
| <span class="source-line-no">124</span><span id="line-124"> * already closed then invoking this method has no effect.</span> |
| <span class="source-line-no">125</span><span id="line-125"> * @throws IOException if an I/O error occurs</span> |
| <span class="source-line-no">126</span><span id="line-126"> */</span> |
| <span class="source-line-no">127</span><span id="line-127"> @Override</span> |
| <span class="source-line-no">128</span><span id="line-128"> public void close() throws IOException {</span> |
| <span class="source-line-no">129</span><span id="line-129"> super.cleanup(this.jobConf);</span> |
| <span class="source-line-no">130</span><span id="line-130"> }</span> |
| <span class="source-line-no">131</span><span id="line-131"></span> |
| <span class="source-line-no">132</span><span id="line-132"> @Override</span> |
| <span class="source-line-no">133</span><span id="line-133"> public void configure(JobConf jobConf) {</span> |
| <span class="source-line-no">134</span><span id="line-134"> this.jobConf = jobConf;</span> |
| <span class="source-line-no">135</span><span id="line-135"> }</span> |
| <span class="source-line-no">136</span><span id="line-136"> }</span> |
| <span class="source-line-no">137</span><span id="line-137">}</span> |
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| </pre> |
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