drdoobs.Dictionary.java Source code

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Here is the source code for drdoobs.Dictionary.java

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package drdoobs;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapred.FileInputFormat;
import org.apache.hadoop.mapred.FileOutputFormat;
import org.apache.hadoop.mapred.KeyValueTextInputFormat;
import org.apache.hadoop.mapred.TextOutputFormat;
import org.apache.hadoop.mapreduce.Job;

/**
 *
 * @author haibane
 */
public class Dictionary {

    public static void main(String[] args) throws Exception {
        Configuration conf = new Configuration();
        Job job = Job.getInstance(conf, "dictionary");
        job.setJarByClass(Dictionary.class);
        job.setMapperClass(ProjectionMapper.class);
        job.setReducerClass(LongSumReducer.class);
        job.setOutputKeyClass(Text.class);
        job.setOutputValueClass(Text.class);

        //job.setMapOutputKeyClass(Text.class);
        //job.setMapOutputValueClass(Text.class);

        //job.setInputFormatClass(KeyValueTextInputFormat.class);
        //job.setOutputFormatClass(TextOutputFormat.class);
        FileInputFormat.addInputPath(job, new Path(args[0]));
        FileOutputFormat.setOutputPath(job, new Path(args[1]));
        boolean result = job.waitForCompletion(true);
        System.exit(result ? 0 : 1);
    }
}