Package org.apache.flink.streaming.api.operators

Class AbstractStreamOperatorFactory<OUT>

java.lang.Object

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

All Implemented Interfaces:

Serializable, StreamOperatorFactory<OUT>, ProcessingTimeServiceAware

Direct Known Subclasses:

CommitterOperatorFactory, ContinuousFileReaderOperatorFactory, SimpleOperatorFactory, SinkWriterOperatorFactory, SourceOperatorFactory, TimestampsAndWatermarksOperatorFactory, WindowOperatorFactory

@Experimental
public abstract class AbstractStreamOperatorFactory<OUT>
extends Object
implements StreamOperatorFactory<OUT>, ProcessingTimeServiceAware

Base class for all stream operator factories. It implements some common methods and the ProcessingTimeServiceAware interface which enables stream operators to access ProcessingTimeService.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected ChainingStrategy	chainingStrategy
protected ProcessingTimeService	processingTimeService

Constructor Summary

Constructors

Constructor	Description
AbstractStreamOperatorFactory()

Method Summary

Modifier and Type	Method	Description
ChainingStrategy	getChainingStrategy()	Get the chaining strategy of operator factory.
protected org.apache.flink.api.common.operators.MailboxExecutor	getMailboxExecutor()	Provides the mailbox executor iff this factory implements YieldingOperatorFactory.
void	setChainingStrategy(ChainingStrategy strategy)	Set the chaining strategy for operator factory.
void	setMailboxExecutor(org.apache.flink.api.common.operators.MailboxExecutor mailboxExecutor)
void	setProcessingTimeService(ProcessingTimeService processingTimeService)

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

createStreamOperator, getOperatorAttributes, getStreamOperatorClass, isInputTypeConfigurable, isLegacySource, isOutputTypeConfigurable, isStreamSource, setInputType, setOutputType

Field Details

chainingStrategy

protected ChainingStrategy chainingStrategy

processingTimeService

protected transient ProcessingTimeService processingTimeService

Constructor Details

AbstractStreamOperatorFactory

public AbstractStreamOperatorFactory()

Method Details

setChainingStrategy

public void setChainingStrategy(ChainingStrategy strategy)

Description copied from interface: StreamOperatorFactory

Set the chaining strategy for operator factory.

Specified by:

setChainingStrategy in interface StreamOperatorFactory<OUT>

getChainingStrategy

public ChainingStrategy getChainingStrategy()

Description copied from interface: StreamOperatorFactory

Get the chaining strategy of operator factory.

Specified by:

getChainingStrategy in interface StreamOperatorFactory<OUT>

setProcessingTimeService

public void setProcessingTimeService(ProcessingTimeService processingTimeService)

Specified by:

setProcessingTimeService in interface ProcessingTimeServiceAware

setMailboxExecutor

public void setMailboxExecutor(org.apache.flink.api.common.operators.MailboxExecutor mailboxExecutor)

getMailboxExecutor

protected org.apache.flink.api.common.operators.MailboxExecutor getMailboxExecutor()

Provides the mailbox executor iff this factory implements YieldingOperatorFactory.