程序包 org.apache.flink.runtime.leaderelection

接口概要

接口	说明
LeaderContender	Interface which has to be implemented to take part in the leader election process of the LeaderElectionService.
LeaderElectionDriver	A LeaderElectionDriver is responsible for performing the leader election and storing the leader information.
LeaderElectionDriverFactory	Factory for creating LeaderElectionDriver with different implementation.
LeaderElectionEventHandler	Interface which should be implemented to respond to leader changes in LeaderElectionDriver.
LeaderElectionService	Interface for a service which allows to elect a leader among a group of contenders.
MultipleComponentLeaderElectionDriver	A leader election driver that allows to write LeaderInformation for multiple components.
MultipleComponentLeaderElectionDriver.Listener	Listener interface for state changes of the MultipleComponentLeaderElectionDriver.
MultipleComponentLeaderElectionDriverFactory	Factory for MultipleComponentLeaderElectionDriver.
MultipleComponentLeaderElectionService	Leader election service that allows to register multiple LeaderElectionEventHandlers that are identified by different names.

类概要

类	说明
DefaultLeaderElectionService	Default implementation for leader election service.
DefaultMultipleComponentLeaderElectionService	Default implementation of a MultipleComponentLeaderElectionService that allows to register multiple LeaderElectionEventHandler.
LeaderInformation	Information about leader including the confirmed leader session id and leader address.
LeaderInformationWithComponentId	Leader information and its corresponding leader name.
StandaloneLeaderElectionService	Standalone implementation of the LeaderElectionService interface.
ZooKeeperLeaderElectionDriver	已过时 in favour of ZooKeeperMultipleComponentLeaderElectionDriver
ZooKeeperLeaderElectionDriverFactory	已过时 in favour of ZooKeeperMultipleComponentLeaderElectionDriverFactory
ZooKeeperMultipleComponentLeaderElectionDriver	ZooKeeper based MultipleComponentLeaderElectionDriver implementation.
ZooKeeperMultipleComponentLeaderElectionDriverFactory	Factory for ZooKeeperMultipleComponentLeaderElectionDriver.

异常错误概要

异常错误	说明
LeaderElectionException	This exception is thrown by the LeaderElectionDriver when LeaderElectionDriver.writeLeaderInformation(org.apache.flink.runtime.leaderelection.LeaderInformation) failed or some unexpected changes to the leader storage.