org.apache.hadoop.mapred.lib

Class TotalOrderPartitioner<K extends WritableComparable<?>,V>

java.lang.Object

org.apache.hadoop.mapreduce.Partitioner<K,V>

org.apache.hadoop.mapreduce.lib.partition.TotalOrderPartitioner<K,V>

org.apache.hadoop.mapred.lib.TotalOrderPartitioner<K,V>

All Implemented Interfaces:

Configurable, JobConfigurable, Partitioner<K,V>

@InterfaceAudience.Public
@InterfaceStability.Stable
public class TotalOrderPartitioner<K extends WritableComparable<?>,V>
extends TotalOrderPartitioner<K,V>
implements Partitioner<K,V>

Partitioner effecting a total order by reading split points from an externally generated source.

Field Summary

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

DEFAULT_PATH, MAX_TRIE_DEPTH, NATURAL_ORDER, PARTITIONER_PATH

Constructor Summary

Constructors

Constructor and Description
TotalOrderPartitioner()

Method Summary

Methods

Modifier and Type	Method and Description
void	configure(JobConf job) Initializes a new instance from a JobConf.

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

getConf, getPartition, getPartitionFile, setConf, setPartitionFile

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

TotalOrderPartitioner

public TotalOrderPartitioner()

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