org.apache.hadoop.examples

Class SecondarySort.FirstPartitioner

java.lang.Object

org.apache.hadoop.mapreduce.Partitioner<SecondarySort.IntPair,org.apache.hadoop.io.IntWritable>

org.apache.hadoop.examples.SecondarySort.FirstPartitioner

Enclosing class:

SecondarySort

public static class SecondarySort.FirstPartitioner
extends org.apache.hadoop.mapreduce.Partitioner<SecondarySort.IntPair,org.apache.hadoop.io.IntWritable>

Partition based on the first part of the pair.

Constructor Summary

Constructors

Constructor and Description
FirstPartitioner()

Method Summary

Modifier and Type	Method and Description
int	getPartition(SecondarySort.IntPair key, org.apache.hadoop.io.IntWritable value, int numPartitions)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FirstPartitioner

public FirstPartitioner()

Method Detail

getPartition

public int getPartition(SecondarySort.IntPair key,
                        org.apache.hadoop.io.IntWritable value,
                        int numPartitions)

Specified by:

getPartition in class org.apache.hadoop.mapreduce.Partitioner<SecondarySort.IntPair,org.apache.hadoop.io.IntWritable>