org.apache.flink.runtime.leaderelection

接口 LeaderElectionDriver

所有超级接口:

AutoCloseable

所有已知实现类:

ZooKeeperLeaderElectionDriver

public interface LeaderElectionDriver
extends AutoCloseable

A leader election driver that allows to write LeaderInformation for multiple components.

嵌套类概要

嵌套类

限定符和类型	接口和说明
static interface	LeaderElectionDriver.Listener Listener interface for state changes of the LeaderElectionDriver.

方法概要

限定符和类型	方法和说明
void	deleteLeaderInformation(String componentId) Deletes the leader information for the given component.
boolean	hasLeadership() Returns whether the driver has currently leadership.
void	publishLeaderInformation(String componentId, LeaderInformation leaderInformation) Publishes the leader information for the given component.

从接口继承的方法 java.lang.AutoCloseable

close

方法详细资料

hasLeadership

boolean hasLeadership()

Returns whether the driver has currently leadership.

返回:

true if the driver has leadership, otherwise false

publishLeaderInformation

void publishLeaderInformation(String componentId,
                              LeaderInformation leaderInformation)

Publishes the leader information for the given component.

参数:

componentId - identifying the component for which to publish the leader information

leaderInformation - leader information of the respective component

deleteLeaderInformation

void deleteLeaderInformation(String componentId)

Deletes the leader information for the given component.

参数:

componentId - identifying the component for which to delete the leader information