org.apache.flink.streaming.api.operators.co

Class CoStreamReduce<IN1,IN2,OUT>

java.lang.Object

org.apache.flink.streaming.api.operators.AbstractStreamOperator<OUT>

org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator<OUT,CoReduceFunction<IN1,IN2,OUT>>

org.apache.flink.streaming.api.operators.co.CoStreamReduce<IN1,IN2,OUT>

All Implemented Interfaces:

Serializable, StatefulStreamOperator<OUT>, StreamOperator<OUT>, TwoInputStreamOperator<IN1,IN2,OUT>

Direct Known Subclasses:

CoStreamGroupedReduce

public class CoStreamReduce<IN1,IN2,OUT>
extends AbstractUdfStreamOperator<OUT,CoReduceFunction<IN1,IN2,OUT>>
implements TwoInputStreamOperator<IN1,IN2,OUT>

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

Modifier and Type	Field and Description
protected IN1	currentValue1
protected IN2	currentValue2

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

userFunction

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

chainingStrategy, executionConfig, inputCopyDisabled, output, runtimeContext

Constructor Summary

Constructors

Constructor and Description
CoStreamReduce(CoReduceFunction<IN1,IN2,OUT> coReducer)

Method Summary

Modifier and Type	Method and Description
void	processElement1(IN1 element)
void	processElement2(IN2 element)

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

close, confirmCheckpointCompleted, getStateSnapshotFromFunction, getUserFunction, open, restoreInitialState, setup

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

disableInputCopy, getChainingStrategy, isInputCopyingDisabled, setChainingStrategy

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

Field Detail

currentValue1

protected IN1 currentValue1

currentValue2

protected IN2 currentValue2

Constructor Detail

CoStreamReduce

public CoStreamReduce(CoReduceFunction<IN1,IN2,OUT> coReducer)

Method Detail

processElement1

public void processElement1(IN1 element)
                     throws Exception

Specified by:

processElement1 in interface TwoInputStreamOperator<IN1,IN2,OUT>

Throws:

Exception

processElement2

public void processElement2(IN2 element)
                     throws Exception

Specified by:

processElement2 in interface TwoInputStreamOperator<IN1,IN2,OUT>

Throws:

Exception