package mobvista.dmp.common;

import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;

/**
 * author: houying
 * date  : 16-11-2
 * desc  :
 */
public class CommonReducer extends Reducer<Text, Text, Text, NullWritable> {
    protected Text out = new Text();
}
