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.
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.

Class Summary

Class	Description
DefaultLeaderElectionService	Default implementation for leader election service.
LeaderInformation	Information about leader including the confirmed leader session id and leader address.
StandaloneLeaderElectionService	Standalone implementation of the LeaderElectionService interface.
ZooKeeperLeaderElectionDriver	LeaderElectionDriver implementation for Zookeeper.
ZooKeeperLeaderElectionDriverFactory	LeaderElectionDriverFactory implementation for Zookeeper.

Exception Summary

Exception	Description
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.