Java tutorial
/** * Copyright 2012-2013 The Regents of the University of California * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on * an "AS IS"; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations under * the License. * * Author: maha alabduljalil <maha (at) cs.ucsb.edu> * @Since Jul 13, 2012 */ package edu.ucsb.cs.partitioning; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.util.Date; import org.apache.hadoop.fs.Path; import org.apache.hadoop.mapred.FileInputFormat; import org.apache.hadoop.mapred.FileOutputFormat; import org.apache.hadoop.mapred.JobClient; import org.apache.hadoop.mapred.JobConf; import org.apache.hadoop.util.GenericOptionsParser; import org.apache.hadoop.util.ProgramDriver; import edu.ucsb.cs.partitioning.cosine.CosineAllPartitionMain; import edu.ucsb.cs.partitioning.cosine.HolderCosinePartitionMain; import edu.ucsb.cs.partitioning.jaccard.JaccardCoarsePartitionMain; import edu.ucsb.cs.sort.SortDriver; /** * The class input is a sequence input with one record per line processed by * Clueweb project with:<br> * KEY:LongWritable as id and VALUE: FeatureWeightArrayWritable to be the set of * features. */ public class PartDriver { public static String INPUT_DIR = SortDriver.OUTPUT_DIR; public static String OUTPUT_DIR = "staticpartitions"; public static void main(String args[]) throws UnsupportedEncodingException { int exitCode = -1; ProgramDriver pgd = new ProgramDriver(); try { JobConf job = new JobConf(); new GenericOptionsParser(job, args); String metric = job.get(Config.METRIC_PROPERTY, Config.METRIC_VALUE).toLowerCase(); if (metric.contains("j")) { JaccardCoarsePartitionMain.main(args); } else HolderCosinePartitionMain.main(args); // // pgd.addClass("cpartitionw", CosineWeightPartitionMain.class, // // "\tCosine static partitioning on weight sorted documents"); // pgd.addClass("cpartitiona", CosineAllPartitionMain.class, // "\tCosine static partitioning on ALL sorted documents"); //pgd.driver(args); exitCode = 0; } catch (Throwable e) { e.printStackTrace(); } System.exit(exitCode); } }