edu.iu.dsc.tws.task.window.collectives

Class AggregateWindow<T>

java.lang.Object

edu.iu.dsc.tws.api.compute.nodes.BaseNode

edu.iu.dsc.tws.task.window.api.BaseWindowSink<T>

edu.iu.dsc.tws.task.window.core.AbstractSingleWindowDataSink<T>

edu.iu.dsc.tws.task.window.core.BaseWindowedSink<T>

edu.iu.dsc.tws.task.window.collectives.AggregateWindow<T>

All Implemented Interfaces:

Closable, ICompute<T>, INode, IWindowedSink<T>, IWindowCompute<T>, java.io.Serializable

Direct Known Subclasses:

STWindowEventTimeExample.DirectAggregateWindowedTask, STWindowExample.DirectAggregateWindowedTask

public abstract class AggregateWindow<T>
extends BaseWindowedSink<T>

See Also:

Serialized Form

Field Summary

Fields inherited from class edu.iu.dsc.tws.task.window.core.BaseWindowedSink

allowedLateness, collectiveEvents, collectiveOutput, DEFAULT_MAX_LAG, DEFAULT_WATERMARK_INTERVAL, evictionPolicy, iTimestampExtractor, iWindow, maxLagMs, watermarkEventGenerator, watermarkInterval, windowingPolicy, windowLifeCycleListener, windowManager, windowParameter

Fields inherited from class edu.iu.dsc.tws.api.compute.nodes.BaseNode

config, context

Constructor Summary

Constructors

Constructor and Description
AggregateWindow(AggregateWindowedFunction aggregateWindowedFunction)

Method Summary

Modifier and Type	Method and Description
abstract boolean	aggregate(T message)
abstract boolean	aggregateLateMessages(T message)
boolean	execute(IWindowMessage<T> windowMessage)
boolean	getExpire(IWindowMessage<T> expiredMessages)
boolean	getLateMessages(IMessage<T> lateMessages)

Methods inherited from class edu.iu.dsc.tws.task.window.core.BaseWindowedSink

close, execute, getEvictionPolicy, getWindowingPolicy, initialize, isTimestamped, newWindowLifeCycleListener, prepare, reset, setPolicies, start, withAllowedLateness, withCustomTimestampExtractor, withSlidingCountWindow, withSlidingDurationWindow, withTimestampExtractor, withTumblingCountWindow, withTumblingDurationWindow, withWatermarkInterval, withWindow

Methods inherited from class java.lang.Object

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

Methods inherited from interface edu.iu.dsc.tws.api.compute.nodes.ICompute

endExecute

Constructor Detail

AggregateWindow

public AggregateWindow(AggregateWindowedFunction aggregateWindowedFunction)

Method Detail

aggregate

public abstract boolean aggregate(T message)

aggregateLateMessages

public abstract boolean aggregateLateMessages(T message)

execute

public boolean execute(IWindowMessage<T> windowMessage)

Specified by:

execute in class BaseWindowedSink<T>

getLateMessages

public boolean getLateMessages(IMessage<T> lateMessages)

Specified by:

getLateMessages in class BaseWindowedSink<T>

getExpire

public boolean getExpire(IWindowMessage<T> expiredMessages)

Specified by:

getExpire in class BaseWindowedSink<T>