org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners
Class SecondaryKeyPartitioner

java.lang.Object
  org.apache.hadoop.mapreduce.Partitioner<K,V>
      org.apache.hadoop.mapreduce.lib.partition.HashPartitioner<PigNullableWritable,org.apache.hadoop.io.Writable>
          org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.partitioners.SecondaryKeyPartitioner

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable

public class SecondaryKeyPartitioner
extends org.apache.hadoop.mapreduce.lib.partition.HashPartitioner<PigNullableWritable,org.apache.hadoop.io.Writable>
implements org.apache.hadoop.conf.Configurable

Constructor Summary

SecondaryKeyPartitioner()

Method Summary

org.apache.hadoop.conf.Configuration	getConf()
int	getPartition(PigNullableWritable key, org.apache.hadoop.io.Writable value, int numPartitions)
void	setConf(org.apache.hadoop.conf.Configuration conf)

Methods inherited from class java.lang.Object

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

Constructor Detail

SecondaryKeyPartitioner

public SecondaryKeyPartitioner()

Method Detail

getPartition

public int getPartition(PigNullableWritable key,
                        org.apache.hadoop.io.Writable value,
                        int numPartitions)

Overrides:

getPartition in class org.apache.hadoop.mapreduce.lib.partition.HashPartitioner<PigNullableWritable,org.apache.hadoop.io.Writable>

getConf

public org.apache.hadoop.conf.Configuration getConf()

Specified by:

getConf in interface org.apache.hadoop.conf.Configurable

setConf

public void setConf(org.apache.hadoop.conf.Configuration conf)

Specified by:

setConf in interface org.apache.hadoop.conf.Configurable