AllLab_Skeleton.Lab2.Lab2Reducer.java Source code

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Here is the source code for AllLab_Skeleton.Lab2.Lab2Reducer.java

Source

/*
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package AllLab_Skeleton.Lab2;

import java.io.IOException;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.mapreduce.Reducer;

/**
 *
 * @author pooja
 */
public class Lab2Reducer extends Reducer<CompositeKeyWritable, NullWritable, CompositeKeyWritable, NullWritable> {

    /**
     *
     * @param key
     * @param values
     * @param context
     */
    @Override
    public void reduce(CompositeKeyWritable key, Iterable<NullWritable> values, Context context) {
        for (NullWritable val : values) {
            try {
                context.write(key, NullWritable.get());
            } catch (IOException | InterruptedException ex) {
                System.out.println("Error Message" + ex.getMessage());
            }
        }
    }

}