org.apache.flink.runtime.source.event

Class WatermarkAlignmentEvent

java.lang.Object

org.apache.flink.runtime.source.event.WatermarkAlignmentEvent

All Implemented Interfaces:

Serializable, OperatorEvent

public class WatermarkAlignmentEvent
extends Object
implements OperatorEvent

Signals source operators the maximum watermark that emitted records can have.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
WatermarkAlignmentEvent(long maxWatermark)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
long	getMaxWatermark()
int	hashCode()
boolean	isLossTolerant()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

WatermarkAlignmentEvent

public WatermarkAlignmentEvent(long maxWatermark)

Method Detail

getMaxWatermark

public long getMaxWatermark()

isLossTolerant

public boolean isLossTolerant()

Specified by:

isLossTolerant in interface OperatorEvent

Returns:

true, because even if lost, WatermarkAlignmentEvent will re-send again, and it doesn't hold any critical information that could lead to a data loss.

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