org.apache.flink.streaming.runtime.streamrecord

Class LatencyMarker

java.lang.Object

org.apache.flink.streaming.runtime.streamrecord.StreamElement

org.apache.flink.streaming.runtime.streamrecord.LatencyMarker

@PublicEvolving
public final class LatencyMarker
extends StreamElement

Special record type carrying a timestamp of its creation time at a source operator and the vertexId and subtask index of the operator.

At sinks, the marker can be used to approximate the time a record needs to travel through the dataflow.

Constructor Summary

Constructors

Constructor and Description
LatencyMarker(long markedTime, OperatorID operatorId, int subtaskIndex) Creates a latency mark with the given timestamp.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
long	getMarkedTime() Returns the timestamp marked by the LatencyMarker.
OperatorID	getOperatorId()
int	getSubtaskIndex()
int	hashCode()
String	toString()

Methods inherited from class org.apache.flink.streaming.runtime.streamrecord.StreamElement

asLatencyMarker, asRecord, asWatermark, asWatermarkStatus, isLatencyMarker, isRecord, isWatermark, isWatermarkStatus

Methods inherited from class java.lang.Object

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

Constructor Detail

LatencyMarker

public LatencyMarker(long markedTime,
                     OperatorID operatorId,
                     int subtaskIndex)

Creates a latency mark with the given timestamp.

Method Detail

getMarkedTime

public long getMarkedTime()

Returns the timestamp marked by the LatencyMarker.

getOperatorId

public OperatorID getOperatorId()

getSubtaskIndex

public int getSubtaskIndex()

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