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

Class EvictingWindowOperatorFactory<K,IN,OUT,W extends Window>

java.lang.Object

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

org.apache.flink.streaming.runtime.operators.windowing.WindowOperatorFactory<K,IN,Iterable<IN>,OUT,W>

org.apache.flink.streaming.runtime.operators.windowing.EvictingWindowOperatorFactory<K,IN,OUT,W>

All Implemented Interfaces:

Serializable, OneInputStreamOperatorFactory<IN,OUT>, StreamOperatorFactory<OUT>, ProcessingTimeServiceAware

@Internal
public class EvictingWindowOperatorFactory<K,IN,OUT,W extends Window>
extends WindowOperatorFactory<K,IN,Iterable<IN>,OUT,W>

StreamOperatorFactory for EvictingWindowOperator.

See Also:

• Serialized Form

Field Summary

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

allowedLateness, keySelector, keySerializer, lateDataOutputTag, trigger, windowAssigner, windowFunction, windowSerializer, windowStateDescriptor

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

chainingStrategy, processingTimeService

Constructor Summary

Constructors

Constructor

Description

EvictingWindowOperatorFactory(WindowAssigner<? super IN,W> windowAssigner, org.apache.flink.api.common.typeutils.TypeSerializer<W> windowSerializer, org.apache.flink.api.java.functions.KeySelector<IN,K> keySelector, org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer, org.apache.flink.api.common.state.StateDescriptor<? extends org.apache.flink.api.common.state.ListState<StreamRecord<IN>>,?> windowStateDescriptor, InternalWindowFunction<Iterable<IN>,OUT,K,W> windowFunction, Trigger<? super IN,? super W> trigger, Evictor<? super IN,? super W> evictor, long allowedLateness, org.apache.flink.util.OutputTag<IN> lateDataOutputTag)

Method Summary

Modifier and Type	Method	Description
<T extends StreamOperator<OUT>> T	createStreamOperator(StreamOperatorParameters<OUT> parameters)	Create the operator.
Evictor<? super IN,? super W>	getEvictor()
org.apache.flink.api.common.state.StateDescriptor<? extends org.apache.flink.api.common.state.AppendingState<IN,Iterable<IN>>,?>	getStateDescriptor()
Class<? extends StreamOperator>	getStreamOperatorClass(ClassLoader classLoader)	Returns the runtime class of the stream operator.

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

getKeySelector, getTrigger, getWindowAssigner

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

getChainingStrategy, getMailboxExecutor, setChainingStrategy, setMailboxExecutor, setProcessingTimeService

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.StreamOperatorFactory

getChainingStrategy, getOperatorAttributes, isInputTypeConfigurable, isLegacySource, isOutputTypeConfigurable, isStreamSource, setChainingStrategy, setInputType, setOutputType

Constructor Details

EvictingWindowOperatorFactory

public EvictingWindowOperatorFactory(WindowAssigner<? super IN,W> windowAssigner,
 org.apache.flink.api.common.typeutils.TypeSerializer<W> windowSerializer,
 org.apache.flink.api.java.functions.KeySelector<IN,K> keySelector,
 org.apache.flink.api.common.typeutils.TypeSerializer<K> keySerializer,
 org.apache.flink.api.common.state.StateDescriptor<? extends org.apache.flink.api.common.state.ListState<StreamRecord<IN>>,?> windowStateDescriptor,
 InternalWindowFunction<Iterable<IN>,OUT,K,W> windowFunction,
 Trigger<? super IN,? super W> trigger,
 Evictor<? super IN,? super W> evictor,
 long allowedLateness,
 org.apache.flink.util.OutputTag<IN> lateDataOutputTag)

Method Details

createStreamOperator

public <T extends StreamOperator<OUT>> T createStreamOperator(StreamOperatorParameters<OUT> parameters)

Description copied from interface: StreamOperatorFactory

Create the operator. Sets access to the context and the output.

Specified by:

createStreamOperator in interface StreamOperatorFactory<K>

Overrides:

createStreamOperator in class WindowOperatorFactory<K,IN,Iterable<IN>,OUT,W extends Window>

getStreamOperatorClass

public Class<? extends StreamOperator> getStreamOperatorClass(ClassLoader classLoader)

Description copied from interface: StreamOperatorFactory

Returns the runtime class of the stream operator.

Specified by:

getStreamOperatorClass in interface StreamOperatorFactory<K>

Overrides:

getStreamOperatorClass in class WindowOperatorFactory<K,IN,Iterable<IN>,OUT,W extends Window>

getStateDescriptor

@VisibleForTesting
public org.apache.flink.api.common.state.StateDescriptor<? extends org.apache.flink.api.common.state.AppendingState<IN,Iterable<IN>>,?> getStateDescriptor()

Overrides:

getStateDescriptor in class WindowOperatorFactory<K,IN,Iterable<IN>,OUT,W extends Window>

getEvictor

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