org.apache.flink.runtime.leaderretrieval

Class StandaloneLeaderRetrievalService

java.lang.Object

org.apache.flink.runtime.leaderretrieval.StandaloneLeaderRetrievalService

All Implemented Interfaces:

LeaderRetrievalService

public class StandaloneLeaderRetrievalService
extends Object
implements LeaderRetrievalService

Standalone implementation of the LeaderRetrievalService. The standalone implementation assumes that there is only a single JobManager whose address is given to the service when creating it. This address is directly given to the LeaderRetrievalListener when the service is started.

Constructor Summary

Constructors

Constructor and Description
StandaloneLeaderRetrievalService(String jobManagerAddress) Creates a StandaloneLeaderRetrievalService with the given JobManager address.

Method Summary

Modifier and Type	Method and Description
void	start(LeaderRetrievalListener listener) Starts the leader retrieval service with the given listener to listen for new leaders.
void	stop() Stops the leader retrieval service.

Methods inherited from class java.lang.Object

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

Constructor Detail

StandaloneLeaderRetrievalService

public StandaloneLeaderRetrievalService(String jobManagerAddress)

Creates a StandaloneLeaderRetrievalService with the given JobManager address.

Parameters:

jobManagerAddress - The JobManager's address which is returned to the LeaderRetrievalListener

Method Detail

start

public void start(LeaderRetrievalListener listener)

Description copied from interface: LeaderRetrievalService

Starts the leader retrieval service with the given listener to listen for new leaders. This method can only be called once.

Specified by:

start in interface LeaderRetrievalService

Parameters:

listener - The leader retrieval listener which will be notified about new leaders.

stop

public void stop()

Description copied from interface: LeaderRetrievalService

Stops the leader retrieval service.

Specified by:

stop in interface LeaderRetrievalService