Package org.apache.flink.runtime.persistence

Interface Summary

Interface	Description
ResourceVersion<R>	Resource version for specific state handle on the underlying storage.
RetrievableStateStorageHelper<T extends Serializable>	State storage helper which is used by ZooKeeperStateHandleStore to persist state before the state handle is written to ZooKeeper.
StateHandleStore<T extends Serializable,R extends ResourceVersion<R>>	Class which stores state via the provided RetrievableStateStorageHelper and writes the returned state handle to distributed coordination system(e.g.

Class Summary

Class	Description
IntegerResourceVersion	ResourceVersion implementation with Integer value.
StringResourceVersion	ResourceVersion implementation with String value.

Exception Summary

Exception	Description
PossibleInconsistentStateException	PossibleInconsistentStateException represents errors that might have lead to an inconsistent state within the HA resources.
StateHandleStore.AlreadyExistException	The key already exists in ConfigMap or the Zookeeper node already exists.
StateHandleStore.NotExistException	The key does not exist in ConfigMap or the Zookeeper node does not exists.