SalesProcessor.java

package com.godoro.hadoop.example;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;

public class SalesProcessor {
 
  public static void main(String[] args) throws Exception{
    String name = args[0];
    String input = args[1];
    String ouput = args[2];
    
    Configuration configuration = new Configuration();
    Job job = Job.getInstance(configuration, name);
    job.setJarByClass(SalesProcessor.class);
    
    job.setMapperClass(SalesMapper.class);
    job.setReducerClass(SalesReducer.class);
    
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(SalesWritable.class);

    FileInputFormat.addInputPath(job, new Path(input));
    FileOutputFormat.setOutputPath(job, 
            new Path(ouput+"_"+System.currentTimeMillis()));

    System.exit(job.waitForCompletion(true) ? 0 : 1);

  }

}