org.apache.flink.streaming.runtime.partitioner

Class CustomPartitionerWrapper<K,T>

java.lang.Object

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

org.apache.flink.streaming.runtime.partitioner.CustomPartitionerWrapper<K,T>

Type Parameters:

K - Type of the key

T - Type of the data

All Implemented Interfaces:

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

@Internal
public class CustomPartitionerWrapper<K,T>
extends StreamPartitioner<T>

Partitioner that selects the channel with a user defined partitioner function on a key.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CustomPartitionerWrapper(org.apache.flink.api.common.functions.Partitioner<K> partitioner, org.apache.flink.api.java.functions.KeySelector<T,K> keySelector)

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

CustomPartitionerWrapper

public CustomPartitionerWrapper(org.apache.flink.api.common.functions.Partitioner<K> partitioner,
                                org.apache.flink.api.java.functions.KeySelector<T,K> keySelector)

Method Detail

selectChannels

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

copy

public StreamPartitioner<T> copy()

Specified by:

copy in class StreamPartitioner<T>

toString

public String toString()

Overrides:

toString in class Object