org.apache.flink.runtime.leaderretrieval

类 StandaloneLeaderRetrievalService

java.lang.Object

org.apache.flink.runtime.leaderretrieval.StandaloneLeaderRetrievalService

所有已实现的接口:

LeaderRetrievalService

public class StandaloneLeaderRetrievalService
extends Object
implements LeaderRetrievalService

Standalone implementation of the LeaderRetrievalService. This implementation assumes that there is only a single contender for leadership (e.g., a single JobManager or ResourceManager process) and that this process is reachable under a constant address.

As soon as this service is started, it immediately notifies the leader listener of the leader contender with the pre-configured address.

构造器概要

构造器

构造器和说明
StandaloneLeaderRetrievalService(String leaderAddress) 已过时。 Use StandaloneLeaderRetrievalService(String, UUID) instead
StandaloneLeaderRetrievalService(String leaderAddress, UUID leaderId) Creates a StandaloneLeaderRetrievalService with the given leader address.

方法概要

限定符和类型	方法和说明
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.

从类继承的方法 java.lang.Object

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

构造器详细资料

StandaloneLeaderRetrievalService

@Deprecated
public StandaloneLeaderRetrievalService(String leaderAddress)

已过时。 Use StandaloneLeaderRetrievalService(String, UUID) instead

Creates a StandaloneLeaderRetrievalService with the given leader address. The leaderId will be null.

参数:

leaderAddress - The leader's pre-configured address

StandaloneLeaderRetrievalService

public StandaloneLeaderRetrievalService(String leaderAddress,
                                        UUID leaderId)

Creates a StandaloneLeaderRetrievalService with the given leader address.

参数:

leaderAddress - The leader's pre-configured address

leaderId - The constant leaderId.

方法详细资料

start

public void start(LeaderRetrievalListener listener)

从接口复制的说明: LeaderRetrievalService

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

指定者:

start 在接口中 LeaderRetrievalService

参数:

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

stop

public void stop()

从接口复制的说明: LeaderRetrievalService

Stops the leader retrieval service.

指定者:

stop 在接口中 LeaderRetrievalService