org.apache.flink.streaming.runtime.io

Class StreamOneInputProcessor<IN>

java.lang.Object

org.apache.flink.streaming.runtime.io.StreamOneInputProcessor<IN>

Type Parameters:

IN - The type of the record that can be read with this record reader.

All Implemented Interfaces:

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

@Internal
public final class StreamOneInputProcessor<IN>
extends Object
implements StreamInputProcessor

Input reader for OneInputStreamTask.

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
StreamOneInputProcessor(StreamTaskInput<IN> input, PushingAsyncDataInput.DataOutput<IN> output, Object lock, OperatorChain<?,?> operatorChain)

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

StreamOneInputProcessor

public StreamOneInputProcessor(StreamTaskInput<IN> input,
                               PushingAsyncDataInput.DataOutput<IN> output,
                               Object lock,
                               OperatorChain<?,?> operatorChain)

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