edu.umd.cloud9.example.pagerank
Class RangePartitioner<K,V>

java.lang.Object
  edu.umd.cloud9.example.pagerank.RangePartitioner<K,V>

All Implemented Interfaces:

JobConfigurable, Partitioner<IntWritable,Writable>

public class RangePartitioner<K,V>
extends Object
implements Partitioner<IntWritable,Writable>

Ranger partitioner. In the context of graph algorithms, ensures that consecutive node ids are blocked together.

Author:

jimmy

Constructor Summary

RangePartitioner()

Method Summary

void	configure(JobConf job)
int	getPartition(IntWritable key, Writable value, int numReduceTasks)

Methods inherited from class java.lang.Object

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

Constructor Detail

RangePartitioner

public RangePartitioner()

Method Detail

getPartition

public int getPartition(IntWritable key,
                        Writable value,
                        int numReduceTasks)

Specified by:

getPartition in interface Partitioner<IntWritable,Writable>

configure

public void configure(JobConf job)

Specified by:

configure in interface JobConfigurable