org.apache.flink.streaming.api.operators.source

Class WatermarkToDataOutput

java.lang.Object

org.apache.flink.streaming.api.operators.source.WatermarkToDataOutput

All Implemented Interfaces:

org.apache.flink.api.common.eventtime.WatermarkOutput

@Internal
public final class WatermarkToDataOutput
extends Object
implements org.apache.flink.api.common.eventtime.WatermarkOutput

An adapter that exposes a WatermarkOutput based on a PushingAsyncDataInput.DataOutput.

Constructor Summary

Constructors

Constructor and Description
WatermarkToDataOutput(PushingAsyncDataInput.DataOutput<?> output)
WatermarkToDataOutput(PushingAsyncDataInput.DataOutput<?> output, TimestampsAndWatermarks.WatermarkUpdateListener watermarkEmitted) Creates a new WatermarkOutput against the given DataOutput.

Method Summary

Modifier and Type	Method and Description
void	emitWatermark(org.apache.flink.api.common.eventtime.Watermark watermark)
void	markActive()
void	markIdle()

Methods inherited from class java.lang.Object

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

Constructor Detail

WatermarkToDataOutput

@VisibleForTesting
public WatermarkToDataOutput(PushingAsyncDataInput.DataOutput<?> output)

WatermarkToDataOutput

public WatermarkToDataOutput(PushingAsyncDataInput.DataOutput<?> output,
                             TimestampsAndWatermarks.WatermarkUpdateListener watermarkEmitted)

Creates a new WatermarkOutput against the given DataOutput.

Method Detail

emitWatermark

public void emitWatermark(org.apache.flink.api.common.eventtime.Watermark watermark)

Specified by:

emitWatermark in interface org.apache.flink.api.common.eventtime.WatermarkOutput

markIdle

public void markIdle()

Specified by:

markIdle in interface org.apache.flink.api.common.eventtime.WatermarkOutput

markActive

public void markActive()

Specified by:

markActive in interface org.apache.flink.api.common.eventtime.WatermarkOutput