cascading.tuple.tez.util

Class GroupingSortingPartitioner

java.lang.Object

cascading.tuple.util.TupleHasher

cascading.tuple.hadoop.util.HasherPartitioner

cascading.tuple.tez.util.GroupingSortingPartitioner

All Implemented Interfaces:

java.io.Serializable, Configurable, org.apache.tez.runtime.library.api.Partitioner

public class GroupingSortingPartitioner
extends HasherPartitioner
implements org.apache.tez.runtime.library.api.Partitioner

Class GroupingPartitioner is an implementation of Partitioner.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class cascading.tuple.util.TupleHasher

TupleHasher.HashFunction

Field Summary

Fields inherited from class cascading.tuple.hadoop.util.HasherPartitioner

HASHER_PARTITIONER_USE_LEGACY_HASH

Fields inherited from class cascading.tuple.util.TupleHasher

hashFunction

Constructor Summary

Constructors

Constructor and Description
GroupingSortingPartitioner(Configuration configuration)

Method Summary

Methods

Modifier and Type	Method and Description
int	getPartition(java.lang.Object key, java.lang.Object value, int numReduceTasks)

Methods inherited from class cascading.tuple.hadoop.util.HasherPartitioner

getConf, setConf

Methods inherited from class cascading.tuple.util.TupleHasher

getHashFunction, hashCode, initialize, isNull, merge, wrapTuple

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupingSortingPartitioner

public GroupingSortingPartitioner(Configuration configuration)

Method Detail

getPartition

public int getPartition(java.lang.Object key,
               java.lang.Object value,
               int numReduceTasks)

Specified by:

getPartition in interface org.apache.tez.runtime.library.api.Partitioner