Java tutorial
/*************************************************************************** * Copyright (C) 2009 by Andy Pavlo, Brown University * * http://www.cs.brown.edu/~pavlo/ * * * * Permission is hereby granted, free of charge, to any person obtaining * * a copy of this software and associated documentation files (the * * "Software"), to deal in the Software without restriction, including * * without limitation the rights to use, copy, modify, merge, publish, * * distribute, sublicense, and/or sell copies of the Software, and to * * permit persons to whom the Software is furnished to do so, subject to * * the following conditions: * * * * The above copyright notice and this permission notice shall be * * included in all copies or substantial portions of the Software. * * * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.* * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR * * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * * OTHER DEALINGS IN THE SOFTWARE. * ***************************************************************************/ package edu.brown.cs.mapreduce.benchmarks; import org.apache.hadoop.conf.*; import org.apache.hadoop.io.*; import org.apache.hadoop.mapred.*; import org.apache.hadoop.mapred.lib.*; import org.apache.hadoop.util.*; import edu.brown.cs.mapreduce.BenchmarkBase; /** * @author pavlo * */ public class Sort extends Configured implements Tool { /* (non-Javadoc) * @see org.apache.hadoop.util.Tool#run(java.lang.String[]) */ public int run(String[] args) throws Exception { BenchmarkBase base = new BenchmarkBase(this.getConf(), this.getClass(), args); JobConf p1_job = base.getJobConf(); p1_job.setMapperClass(IdentityMapper.class); p1_job.setReducerClass(IdentityReducer.class); p1_job.setInputFormat(KeyValueTextInputFormat.class); p1_job.setOutputFormat(SequenceFileOutputFormat.class); //p1_job.setOutputFormat(NullOutputFormat.class); p1_job.setOutputKeyClass(Text.class); p1_job.setOutputValueClass(Text.class); base.runJob(p1_job); if (base.getCombine()) base.runCombine(); return 0; } }