Package org.apache.flink.datastream.api.extension.eventtime.strategy

Class EventTimeWatermarkStrategy<T>

java.lang.Object

org.apache.flink.datastream.api.extension.eventtime.strategy.EventTimeWatermarkStrategy<T>

All Implemented Interfaces:

Serializable

@Experimental
public class EventTimeWatermarkStrategy<T>
extends Object
implements Serializable

Component which encapsulates the logic of how and when to extract event time and watermarks.

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	EventTimeWatermarkStrategy.EventTimeWatermarkGenerateMode	EventTimeWatermarkStrategy.EventTimeWatermarkGenerateMode indicates the frequency at which event-time watermarks are generated.

Constructor Summary

Constructors

Constructor	Description
EventTimeWatermarkStrategy(EventTimeExtractor<T> eventTimeExtractor)
EventTimeWatermarkStrategy(EventTimeExtractor<T> eventTimeExtractor, EventTimeWatermarkStrategy.EventTimeWatermarkGenerateMode generateMode, Duration periodicWatermarkInterval, Duration idleTimeout, Duration maxOutOfOrderTime)

Method Summary

Modifier and Type	Method	Description
EventTimeExtractor<T>	getEventTimeExtractor()
EventTimeWatermarkStrategy.EventTimeWatermarkGenerateMode	getGenerateMode()
Duration	getIdleTimeout()
Duration	getMaxOutOfOrderTime()
Duration	getPeriodicWatermarkInterval()

Methods inherited from class java.lang.Object

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

Constructor Details

EventTimeWatermarkStrategy

public EventTimeWatermarkStrategy(EventTimeExtractor<T> eventTimeExtractor)

EventTimeWatermarkStrategy

public EventTimeWatermarkStrategy(EventTimeExtractor<T> eventTimeExtractor,
 EventTimeWatermarkStrategy.EventTimeWatermarkGenerateMode generateMode,
 Duration periodicWatermarkInterval,
 Duration idleTimeout,
 Duration maxOutOfOrderTime)

Method Details

getEventTimeExtractor

public EventTimeExtractor<T> getEventTimeExtractor()

getGenerateMode

public EventTimeWatermarkStrategy.EventTimeWatermarkGenerateMode getGenerateMode()

getPeriodicWatermarkInterval

public Duration getPeriodicWatermarkInterval()

getIdleTimeout

public Duration getIdleTimeout()

getMaxOutOfOrderTime

public Duration getMaxOutOfOrderTime()