com.google.cloud.dataflow.sdk.util

Class BatchTimerInternals

java.lang.Object

com.google.cloud.dataflow.sdk.util.BatchTimerInternals

All Implemented Interfaces:

TimerInternals

public class BatchTimerInternals
extends Object
implements TimerInternals

TimerInternals that uses priority queues to manage the timers that are ready to fire.

Nested Class Summary

Nested classes/interfaces inherited from interface com.google.cloud.dataflow.sdk.util.TimerInternals

TimerInternals.TimerData

Constructor Summary

Constructors

Constructor and Description
BatchTimerInternals(org.joda.time.Instant processingTime)

Method Summary

Modifier and Type	Method and Description
void	advanceProcessingTime(ReduceFnRunner<?,?,?,?> runner, org.joda.time.Instant newProcessingTime)
void	advanceWatermark(ReduceFnRunner<?,?,?,?> runner, org.joda.time.Instant newWatermark)
org.joda.time.Instant	currentProcessingTime() Returns the current timestamp in the TimeDomain.PROCESSING_TIME time domain.
org.joda.time.Instant	currentWatermarkTime() Returns an estimate of the current timestamp in the TimeDomain.EVENT_TIME time domain.
void	deleteTimer(TimerInternals.TimerData timer) Deletes the given timer.
void	setTimer(TimerInternals.TimerData timer) Writes out a timer to be fired when the watermark reaches the given timestamp.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

BatchTimerInternals

public BatchTimerInternals(org.joda.time.Instant processingTime)

Method Detail

setTimer

public void setTimer(TimerInternals.TimerData timer)

Description copied from interface: TimerInternals

Writes out a timer to be fired when the watermark reaches the given timestamp.

The combination of namespace, timestamp and domain uniquely identify a timer. Multiple timers set for the same parameters can be safely deduplicated.

Specified by:

setTimer in interface TimerInternals

deleteTimer

public void deleteTimer(TimerInternals.TimerData timer)

Description copied from interface: TimerInternals

Deletes the given timer.

Specified by:

deleteTimer in interface TimerInternals

currentProcessingTime

public org.joda.time.Instant currentProcessingTime()

Description copied from interface: TimerInternals

Returns the current timestamp in the TimeDomain.PROCESSING_TIME time domain.

Specified by:

currentProcessingTime in interface TimerInternals

currentWatermarkTime

public org.joda.time.Instant currentWatermarkTime()

Description copied from interface: TimerInternals

Returns an estimate of the current timestamp in the TimeDomain.EVENT_TIME time domain.

Specified by:

currentWatermarkTime in interface TimerInternals

toString

public String toString()

Overrides:

toString in class Object

advanceWatermark

public void advanceWatermark(ReduceFnRunner<?,?,?,?> runner,
                             org.joda.time.Instant newWatermark)

advanceProcessingTime

public void advanceProcessingTime(ReduceFnRunner<?,?,?,?> runner,
                                  org.joda.time.Instant newProcessingTime)