org.apache.flink.streaming.runtime.io

Class AbstractDataOutput<T>

java.lang.Object

org.apache.flink.streaming.runtime.io.AbstractDataOutput<T>

Type Parameters:

T - The output type

All Implemented Interfaces:

PushingAsyncDataInput.DataOutput<T>

Direct Known Subclasses:

SourceOperatorStreamTask.AsyncDataOutputToOutput

@Internal
public abstract class AbstractDataOutput<T>
extends Object
implements PushingAsyncDataInput.DataOutput<T>

Base class for all data outputs. It implements the unified way of emitting stream status for both network and source outputs.

Field Summary

Fields

Modifier and Type	Field and Description
protected StreamStatusMaintainer	streamStatusMaintainer The maintainer toggles the current stream status.

Constructor Summary

Constructors

Constructor and Description
AbstractDataOutput(StreamStatusMaintainer streamStatusMaintainer)

Method Summary

Modifier and Type	Method and Description
void	emitStreamStatus(StreamStatus streamStatus)

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.runtime.io.PushingAsyncDataInput.DataOutput

emitLatencyMarker, emitRecord, emitWatermark

Field Detail

streamStatusMaintainer

protected final StreamStatusMaintainer streamStatusMaintainer

The maintainer toggles the current stream status.

Constructor Detail

AbstractDataOutput

public AbstractDataOutput(StreamStatusMaintainer streamStatusMaintainer)

Method Detail

emitStreamStatus

public void emitStreamStatus(StreamStatus streamStatus)

Specified by:

emitStreamStatus in interface PushingAsyncDataInput.DataOutput<T>