crimecount.CrimeCount.java Source code

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Here is the source code for crimecount.CrimeCount.java

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/*
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package crimecount;

import java.io.IOException;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
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.mapred.TextInputFormat;
import org.apache.hadoop.mapred.TextOutputFormat;

/**
 *
 * @author shriroop_joshi
 */
public class CrimeCount {

    /**
     * @param args the command line arguments
     * @throws java.io.IOException
     */
    public static void main(String[] args) throws IOException {
        // TODO code application logic here
        JobConf conf = new JobConf(CrimeCount.class);
        conf.setJobName("crime count");

        conf.setMapperClass(DistrictCrimeMapper.class);
        conf.setCombinerClass(DistrictCrimeReducer.class);
        conf.setReducerClass(DistrictCrimeReducer.class);

        conf.setOutputKeyClass(Text.class);
        conf.setOutputValueClass(IntWritable.class);

        conf.setInputFormat(TextInputFormat.class);
        conf.setOutputFormat(TextOutputFormat.class);
        FileInputFormat.setInputPaths(conf, new Path(args[0]));
        FileOutputFormat.setOutputPath(conf, new Path(args[1]));
        JobClient.runJob(conf);
    }

}