程序包 org.apache.flink.runtime.persistence

接口概要

接口	说明
ResourceVersion<R>	Resource version for specific state handle on the underlying storage.
RetrievableStateStorageHelper<T extends Serializable>	State storage helper which is used by StateHandleStore to persist state before the state handle is written to the underlying system.
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.

类概要

类	说明
IntegerResourceVersion	ResourceVersion implementation with Integer value.
StringResourceVersion	ResourceVersion implementation with String value.

异常错误概要

异常错误	说明
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.