org.apache.paimon.flink.sink

Class FlinkStreamPartitioner<T>

java.lang.Object

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

org.apache.paimon.flink.sink.FlinkStreamPartitioner<T>

All Implemented Interfaces:

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

public class FlinkStreamPartitioner<T>
extends org.apache.flink.streaming.runtime.partitioner.StreamPartitioner<T>

A StreamPartitioner which wraps a ChannelComputer.

See Also:

Serialized Form

Field Summary

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

numberOfChannels

Constructor Summary

Constructors

Constructor and Description
FlinkStreamPartitioner(ChannelComputer<T> channelComputer)

Method Summary

Modifier and Type	Method and Description
org.apache.flink.streaming.runtime.partitioner.StreamPartitioner<T>	copy()
org.apache.flink.runtime.io.network.api.writer.SubtaskStateMapper	getDownstreamSubtaskStateMapper()
boolean	isPointwise()
static <T> org.apache.flink.streaming.api.datastream.DataStream<T>	partition(org.apache.flink.streaming.api.datastream.DataStream<T> input, ChannelComputer<T> channelComputer, Integer parallelism)
static <T> org.apache.flink.streaming.api.datastream.DataStream<T>	rebalance(org.apache.flink.streaming.api.datastream.DataStream<T> input, Integer parallelism)
int	selectChannel(org.apache.flink.runtime.plugable.SerializationDelegate<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<T>> record)
void	setup(int numberOfChannels)
String	toString()

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

equals, getUpstreamSubtaskStateMapper, hashCode, isBroadcast

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

FlinkStreamPartitioner

public FlinkStreamPartitioner(ChannelComputer<T> channelComputer)

Method Detail

setup

public void setup(int numberOfChannels)

Specified by:

setup in interface org.apache.flink.runtime.io.network.api.writer.ChannelSelector<org.apache.flink.runtime.plugable.SerializationDelegate<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<T>>>

Overrides:

setup in class org.apache.flink.streaming.runtime.partitioner.StreamPartitioner<T>

selectChannel

public int selectChannel(org.apache.flink.runtime.plugable.SerializationDelegate<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<T>> record)

copy

public org.apache.flink.streaming.runtime.partitioner.StreamPartitioner<T> copy()

Specified by:

copy in class org.apache.flink.streaming.runtime.partitioner.StreamPartitioner<T>

getDownstreamSubtaskStateMapper

public org.apache.flink.runtime.io.network.api.writer.SubtaskStateMapper getDownstreamSubtaskStateMapper()

Specified by:

getDownstreamSubtaskStateMapper in class org.apache.flink.streaming.runtime.partitioner.StreamPartitioner<T>

isPointwise

public boolean isPointwise()

Specified by:

isPointwise in class org.apache.flink.streaming.runtime.partitioner.StreamPartitioner<T>

toString

public String toString()

Overrides:

toString in class Object

partition

public static <T> org.apache.flink.streaming.api.datastream.DataStream<T> partition(org.apache.flink.streaming.api.datastream.DataStream<T> input,
                                                                                    ChannelComputer<T> channelComputer,
                                                                                    Integer parallelism)

rebalance

public static <T> org.apache.flink.streaming.api.datastream.DataStream<T> rebalance(org.apache.flink.streaming.api.datastream.DataStream<T> input,
                                                                                    Integer parallelism)