org.apache.flink.runtime.util

Class LeaderRetrievalUtils.LeaderGatewayListener

java.lang.Object

org.apache.flink.runtime.util.LeaderRetrievalUtils.LeaderGatewayListener

All Implemented Interfaces:

LeaderRetrievalListener

Enclosing class:

LeaderRetrievalUtils

public static class LeaderRetrievalUtils.LeaderGatewayListener
extends Object
implements LeaderRetrievalListener

Helper class which is used by the retrieveLeaderGateway method as the LeaderRetrievalListener.

Constructor Summary

Constructors

Constructor and Description
LeaderGatewayListener(akka.actor.ActorSystem actorSystem, scala.concurrent.duration.FiniteDuration timeout)

Method Summary

Modifier and Type	Method and Description
scala.concurrent.Future<ActorGateway>	getActorGatewayFuture()
void	handleError(Exception exception) This method is called by the LeaderRetrievalService in case of an exception.
void	notifyLeaderAddress(String leaderAddress, UUID leaderSessionID) This method is called by the LeaderRetrievalService when a new leader is elected.

Methods inherited from class java.lang.Object

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

Constructor Detail

LeaderGatewayListener

public LeaderGatewayListener(akka.actor.ActorSystem actorSystem,
                             scala.concurrent.duration.FiniteDuration timeout)

Method Detail

notifyLeaderAddress

public void notifyLeaderAddress(String leaderAddress,
                                UUID leaderSessionID)

Description copied from interface: LeaderRetrievalListener

This method is called by the LeaderRetrievalService when a new leader is elected.

Specified by:

notifyLeaderAddress in interface LeaderRetrievalListener

Parameters:

leaderAddress - The address of the new leader

leaderSessionID - The new leader session ID

handleError

public void handleError(Exception exception)

Description copied from interface: LeaderRetrievalListener

This method is called by the LeaderRetrievalService in case of an exception. This assures that the LeaderRetrievalListener is aware of any problems occurring in the LeaderRetrievalService thread.

Specified by:

handleError in interface LeaderRetrievalListener

getActorGatewayFuture

public scala.concurrent.Future<ActorGateway> getActorGatewayFuture()