org.apache.flink.streaming.api.operators.windowing

Class WindowPartitioner<T>

java.lang.Object

org.apache.flink.streaming.api.operators.AbstractStreamOperator<StreamWindow<T>>

org.apache.flink.streaming.api.operators.windowing.WindowPartitioner<T>

All Implemented Interfaces:

Serializable, OneInputStreamOperator<StreamWindow<T>,StreamWindow<T>>, StreamOperator<StreamWindow<T>>

public class WindowPartitioner<T>
extends AbstractStreamOperator<StreamWindow<T>>
implements OneInputStreamOperator<StreamWindow<T>,StreamWindow<T>>

This operator applies either split or key partitioning depending on the transformation.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.streaming.api.operators.StreamOperator

StreamOperator.ChainingStrategy

Field Summary

Fields inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

chainingStrategy, executionConfig, inputCopyDisabled, output, runtimeContext

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
void	processElement(StreamWindow<T> currentWindow)

Methods inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

close, disableInputCopy, getChainingStrategy, isInputCopyingDisabled, open, setChainingStrategy, setup

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.streaming.api.operators.StreamOperator

close, getChainingStrategy, isInputCopyingDisabled, open, setChainingStrategy, setup

Constructor Detail

WindowPartitioner

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

WindowPartitioner

public WindowPartitioner(int numberOfSplits)

Method Detail

processElement

public void processElement(StreamWindow<T> currentWindow)
                    throws Exception

Specified by:

processElement in interface OneInputStreamOperator<StreamWindow<T>,StreamWindow<T>>

Throws:

Exception