package mobvista.dmp.common; import org.apache.hadoop.io.LongWritable; import org.apache.hadoop.io.Text; import org.apache.hadoop.mapreduce.Mapper; /** * author: houying * date : 16-11-2 * desc : */ public class CommonMapper extends Mapper<LongWritable, Text, Text, Text> { protected Text outKey = new Text(); protected Text outValue = new Text(); }