Package org.apache.flink.streaming.runtime.tasks

Class OperatorEventDispatcherImpl

java.lang.Object

org.apache.flink.streaming.runtime.tasks.OperatorEventDispatcherImpl

All Implemented Interfaces:

OperatorEventDispatcher

@Internal
public final class OperatorEventDispatcherImpl
extends Object
implements OperatorEventDispatcher

An implementation of the OperatorEventDispatcher.

This class is intended for single threaded use from the stream task mailbox.

Constructor Summary

Constructors

Constructor	Description
OperatorEventDispatcherImpl(ClassLoader classLoader, TaskOperatorEventGateway toCoordinator)

Method Summary

Modifier and Type	Method	Description
OperatorEventGateway	getOperatorEventGateway(OperatorID operatorId)	Gets the gateway through which events can be passed to the OperatorCoordinator for the operator identified by the given OperatorID.
void	registerEventHandler(OperatorID operator, OperatorEventHandler handler)	Register a listener that is notified every time an OperatorEvent is sent from the OperatorCoordinator (of the operator with the given OperatorID) to this subtask.

Methods inherited from class java.lang.Object

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

Constructor Details

OperatorEventDispatcherImpl

public OperatorEventDispatcherImpl(ClassLoader classLoader,
 TaskOperatorEventGateway toCoordinator)

Method Details

registerEventHandler

public void registerEventHandler(OperatorID operator,
 OperatorEventHandler handler)

Description copied from interface: OperatorEventDispatcher

Register a listener that is notified every time an OperatorEvent is sent from the OperatorCoordinator (of the operator with the given OperatorID) to this subtask.

Specified by:

registerEventHandler in interface OperatorEventDispatcher

getOperatorEventGateway

public OperatorEventGateway getOperatorEventGateway(OperatorID operatorId)

Description copied from interface: OperatorEventDispatcher

Gets the gateway through which events can be passed to the OperatorCoordinator for the operator identified by the given OperatorID.

Specified by:

getOperatorEventGateway in interface OperatorEventDispatcher