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

Class FoldWindow<T,K>

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.FoldWindow<T,K>

All Implemented Interfaces:

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

Direct Known Subclasses:

STWindowEventTimeExample.DirectFoldWindowedTask, STWindowExample.DirectFoldWindowedTask

public abstract class FoldWindow<T,K>
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
FoldWindow(FoldWindowedFunction<T,K> foldWindowedFunction)

Method Summary

Modifier and Type	Method and Description
boolean	execute(IWindowMessage<T> windowMessage)
abstract boolean	fold(K content)
abstract boolean	foldLateMessage(K lateMessage)
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

FoldWindow

public FoldWindow(FoldWindowedFunction<T,K> foldWindowedFunction)

Method Detail

fold

public abstract boolean fold(K content)

foldLateMessage

public abstract boolean foldLateMessage(K lateMessage)

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>