org.apache.hadoop.mapred.lib
Class BinaryPartitioner<V>

java.lang.Object
  org.apache.hadoop.mapreduce.Partitioner<BinaryComparable,V>
      org.apache.hadoop.mapreduce.lib.partition.BinaryPartitioner<V>
          org.apache.hadoop.mapred.lib.BinaryPartitioner<V>

All Implemented Interfaces:

Configurable, JobConfigurable, Partitioner<BinaryComparable,V>

@InterfaceAudience.Public
@InterfaceStability.Stable
public class BinaryPartitioner<V>
extends BinaryPartitioner<V>
implements Partitioner<BinaryComparable,V>

Partition BinaryComparable keys using a configurable part of the bytes array returned by BinaryComparable.getBytes().

See Also:

BinaryPartitioner

Field Summary

Fields inherited from class org.apache.hadoop.mapreduce.lib.partition.BinaryPartitioner

LEFT_OFFSET_PROPERTY_NAME, RIGHT_OFFSET_PROPERTY_NAME

Constructor Summary

BinaryPartitioner()

Method Summary

void	configure(JobConf job) Initializes a new instance from a JobConf.

Methods inherited from class org.apache.hadoop.mapreduce.lib.partition.BinaryPartitioner

getConf, getPartition, setConf, setLeftOffset, setOffsets, setRightOffset

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.mapred.Partitioner

getPartition

Constructor Detail

BinaryPartitioner

public BinaryPartitioner()

Method Detail

configure

public void configure(JobConf job)

Description copied from interface: JobConfigurable

Initializes a new instance from a JobConf.

Specified by:

configure in interface JobConfigurable

Parameters:

job - the configuration