Package org.apache.flink.runtime.leaderelection

Interface Summary

Interface	Description
LeaderContender	Interface which has to be implemented to take part in the leader election process of the LeaderElectionService.
LeaderElection	LeaderElection serves as a proxy between LeaderElectionService and LeaderContender.
LeaderElectionDriver	A leader election driver that allows to write LeaderInformation for multiple components.
LeaderElectionDriver.Listener	Listener interface for state changes of the LeaderElectionDriver.
LeaderElectionDriverFactory	Factory for LeaderElectionDriver.
LeaderElectionService	Interface for a service which allows to elect a leader among a group of contenders.

Class Summary

Class	Description
DefaultLeaderElectionService	Default implementation for leader election service.
LeaderElectionUtils	LeaderElectionUtils collects helper methods to handle LeaderElection-related issues.
LeaderInformation	Information about leader including the confirmed leader session id and leader address.
LeaderInformationRegister	A register containing the LeaderInformation for multiple contenders based on their componentId.
StandaloneLeaderElection	StandaloneLeaderElection implements LeaderElection for non-HA cases.
ZooKeeperLeaderElectionDriver	ZooKeeper based LeaderElectionDriver implementation.
ZooKeeperLeaderElectionDriverFactory	Factory for ZooKeeperLeaderElectionDriver.

Exception Summary

Exception	Description
LeaderElectionException	This exception is used in leader election-related scenarios.
LeadershipLostException	This exception is used in the scenario that the leadership is lost.