org.apache.flink.streaming.runtime.operators.windowing

Class EvictingNonKeyedWindowOperator<IN,ACC,OUT,W extends Window>

java.lang.Object

org.apache.flink.streaming.api.operators.AbstractStreamOperator<OUT>

org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator<OUT,AllWindowFunction<ACC,OUT,W>>

org.apache.flink.streaming.runtime.operators.windowing.NonKeyedWindowOperator<IN,ACC,OUT,W>

org.apache.flink.streaming.runtime.operators.windowing.EvictingNonKeyedWindowOperator<IN,ACC,OUT,W>

Type Parameters:

IN - The type of the incoming elements.

ACC - The type of elements stored in the window buffers.

OUT - The type of elements emitted by the WindowFunction.

W - The type of Window that the WindowAssigner assigns.

All Implemented Interfaces:

Serializable, org.apache.flink.api.java.typeutils.InputTypeConfigurable, OneInputStreamOperator<IN,OUT>, OutputTypeConfigurable<OUT>, StreamOperator<OUT>, Triggerable

@Internal
public class EvictingNonKeyedWindowOperator<IN,ACC,OUT,W extends Window>
extends NonKeyedWindowOperator<IN,ACC,OUT,W>

Evicting window operator for non-keyed windows.

See Also:

EvictingWindowOperator, Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.streaming.runtime.operators.windowing.NonKeyedWindowOperator

NonKeyedWindowOperator.Context

Field Summary

Fields inherited from class org.apache.flink.streaming.runtime.operators.windowing.NonKeyedWindowOperator

currentWatermark, timestampedCollector, windows

Fields inherited from class org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator

userFunction

Fields inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

chainingStrategy, output

Constructor Summary

Constructors

Constructor and Description
EvictingNonKeyedWindowOperator(WindowAssigner<? super IN,W> windowAssigner, org.apache.flink.api.common.typeutils.TypeSerializer<W> windowSerializer, WindowBufferFactory<? super IN,ACC,? extends EvictingWindowBuffer<IN,ACC>> windowBufferFactory, AllWindowFunction<ACC,OUT,W> windowFunction, Trigger<? super IN,? super W> trigger, Evictor<? super IN,? super W> evictor)

Method Summary

Modifier and Type	Method and Description
protected void	emitWindow(NonKeyedWindowOperator.Context context)
Evictor<? super IN,? super W>	getEvictor()

Methods inherited from class org.apache.flink.streaming.runtime.operators.windowing.NonKeyedWindowOperator

dispose, getTrigger, getWindowAssigner, getWindowBufferFactory, open, processElement, processWatermark, restoreState, setInputType, snapshotOperatorState, trigger

Methods inherited from class org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator

close, getUserFunction, getUserFunctionParameters, notifyOfCompletedCheckpoint, setOutputType, setup

Methods inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

disableInputCopy, getChainingStrategy, getContainingTask, getExecutionConfig, getOperatorConfig, getPartitionedState, getPartitionedState, getRuntimeContext, getStateBackend, getUserCodeClassloader, isInputCopyingDisabled, registerTimer, setChainingStrategy, setKeyContext, setKeyContextElement1, setKeyContextElement2

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.streaming.api.operators.StreamOperator

close, getChainingStrategy, isInputCopyingDisabled, notifyOfCompletedCheckpoint, setChainingStrategy, setKeyContextElement1, setKeyContextElement2, setup

Constructor Detail

EvictingNonKeyedWindowOperator

public EvictingNonKeyedWindowOperator(WindowAssigner<? super IN,W> windowAssigner,
                                      org.apache.flink.api.common.typeutils.TypeSerializer<W> windowSerializer,
                                      WindowBufferFactory<? super IN,ACC,? extends EvictingWindowBuffer<IN,ACC>> windowBufferFactory,
                                      AllWindowFunction<ACC,OUT,W> windowFunction,
                                      Trigger<? super IN,? super W> trigger,
                                      Evictor<? super IN,? super W> evictor)

Method Detail

emitWindow

protected void emitWindow(NonKeyedWindowOperator.Context context)
                   throws Exception

Overrides:

emitWindow in class NonKeyedWindowOperator<IN,ACC,OUT,W extends Window>

Throws:

Exception

getEvictor

public Evictor<? super IN,? super W> getEvictor()