org.apache.flink.streaming.runtime.io

Class StreamTwoInputProcessor<IN1,IN2>

java.lang.Object

org.apache.flink.streaming.runtime.io.StreamTwoInputProcessor<IN1,IN2>

Type Parameters:

IN1 - The type of the records that arrive on the first input

IN2 - The type of the records that arrive on the second input

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.flink.runtime.io.AvailabilityProvider, StreamInputProcessor

@Internal
public final class StreamTwoInputProcessor<IN1,IN2>
extends Object
implements StreamInputProcessor

Input reader for TwoInputStreamTask.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.runtime.io.AvailabilityProvider

org.apache.flink.runtime.io.AvailabilityProvider.AvailabilityHelper

Field Summary

Fields inherited from interface org.apache.flink.runtime.io.AvailabilityProvider

AVAILABLE

Constructor Summary

Constructors

Constructor and Description

StreamTwoInputProcessor(CheckpointedInputGate[] checkpointedInputGates, org.apache.flink.api.common.typeutils.TypeSerializer<IN1> inputSerializer1, org.apache.flink.api.common.typeutils.TypeSerializer<IN2> inputSerializer2, Object lock, org.apache.flink.runtime.io.disk.iomanager.IOManager ioManager, StreamStatusMaintainer streamStatusMaintainer, TwoInputStreamOperator<IN1,IN2,?> streamOperator, TwoInputSelectionHandler inputSelectionHandler, WatermarkGauge input1WatermarkGauge, WatermarkGauge input2WatermarkGauge, OperatorChain<?,?> operatorChain, org.apache.flink.metrics.Counter numRecordsIn)

Method Summary

Modifier and Type	Method and Description
void	close()
CompletableFuture<?>	getAvailableFuture()
InputStatus	processInput()

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.runtime.io.AvailabilityProvider

isApproximatelyAvailable, isAvailable

Constructor Detail

StreamTwoInputProcessor

public StreamTwoInputProcessor(CheckpointedInputGate[] checkpointedInputGates,
                               org.apache.flink.api.common.typeutils.TypeSerializer<IN1> inputSerializer1,
                               org.apache.flink.api.common.typeutils.TypeSerializer<IN2> inputSerializer2,
                               Object lock,
                               org.apache.flink.runtime.io.disk.iomanager.IOManager ioManager,
                               StreamStatusMaintainer streamStatusMaintainer,
                               TwoInputStreamOperator<IN1,IN2,?> streamOperator,
                               TwoInputSelectionHandler inputSelectionHandler,
                               WatermarkGauge input1WatermarkGauge,
                               WatermarkGauge input2WatermarkGauge,
                               OperatorChain<?,?> operatorChain,
                               org.apache.flink.metrics.Counter numRecordsIn)

Method Detail

getAvailableFuture

public CompletableFuture<?> getAvailableFuture()

Specified by:

getAvailableFuture in interface org.apache.flink.runtime.io.AvailabilityProvider

processInput

public InputStatus processInput()
                         throws Exception

Specified by:

processInput in interface StreamInputProcessor

Returns:

input status to estimate whether more records can be processed immediately or not. If there are no more records available at the moment and the caller should check finished state and/or AvailabilityProvider.getAvailableFuture().

Throws:

Exception

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException