org.apache.flink.streaming.runtime.partitioner

Class FieldsPartitioner<T>

java.lang.Object

org.apache.flink.streaming.runtime.partitioner.StreamPartitioner<T>

org.apache.flink.streaming.runtime.partitioner.FieldsPartitioner<T>

Type Parameters:

T - Type of the Tuple

All Implemented Interfaces:

Serializable, org.apache.flink.runtime.io.network.api.writer.ChannelSelector<org.apache.flink.runtime.plugable.SerializationDelegate<StreamRecord<T>>>

public class FieldsPartitioner<T>
extends StreamPartitioner<T>

Partitioner that selects the same (one) channel for two Tuples having a specified fields equal.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.streaming.runtime.partitioner.StreamPartitioner

StreamPartitioner.PartitioningStrategy

Constructor Summary

Constructors

Constructor and Description
FieldsPartitioner(org.apache.flink.api.java.functions.KeySelector<T,?> keySelector)

Method Summary

Modifier and Type	Method and Description
int[]	selectChannels(org.apache.flink.runtime.plugable.SerializationDelegate<StreamRecord<T>> record, int numberOfOutputChannels)

Methods inherited from class org.apache.flink.streaming.runtime.partitioner.StreamPartitioner

copy, getStrategy

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldsPartitioner

public FieldsPartitioner(org.apache.flink.api.java.functions.KeySelector<T,?> keySelector)

Method Detail

selectChannels

public int[] selectChannels(org.apache.flink.runtime.plugable.SerializationDelegate<StreamRecord<T>> record,
                            int numberOfOutputChannels)