Package org.apache.flink.runtime.event

Class WatermarkEvent

java.lang.Object

org.apache.flink.runtime.event.AbstractEvent

org.apache.flink.runtime.event.RuntimeEvent

org.apache.flink.runtime.event.WatermarkEvent

All Implemented Interfaces:

org.apache.flink.core.io.IOReadableWritable

@Internal
public class WatermarkEvent
extends RuntimeEvent

This event wraps the Watermark, it is used in propagate Watermark between shuffle components, and should not be visible to operators and functions.

Constructor Summary

Constructors

Constructor	Description
WatermarkEvent()
WatermarkEvent(org.apache.flink.api.common.watermark.Watermark watermark, boolean isAligned)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
org.apache.flink.api.common.watermark.Watermark	getWatermark()
int	hashCode()
boolean	isAligned()
void	read(org.apache.flink.core.memory.DataInputView in)
String	toString()
void	write(org.apache.flink.core.memory.DataOutputView out)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

WatermarkEvent

public WatermarkEvent()

WatermarkEvent

public WatermarkEvent(org.apache.flink.api.common.watermark.Watermark watermark,
                      boolean isAligned)

Method Detail

write

public void write(org.apache.flink.core.memory.DataOutputView out)
           throws IOException

Throws:

IOException

read

public void read(org.apache.flink.core.memory.DataInputView in)
          throws IOException

Throws:

IOException

getWatermark

public org.apache.flink.api.common.watermark.Watermark getWatermark()

isAligned

public boolean isAligned()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object