org.apache.flink.runtime.persistence

Interface RetrievableStateStorageHelper<T extends Serializable>

Type Parameters:

T - The type of the data that can be stored by this storage helper.

All Known Implementing Classes:

FileSystemStateStorageHelper

public interface 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.

Method Summary

Modifier and Type	Method and Description
RetrievableStateHandle<T>	store(T state) Stores the given state and returns a state handle to it.

Method Detail

store

RetrievableStateHandle<T> store(T state)
                         throws Exception

Stores the given state and returns a state handle to it.

Parameters:

state - State to be stored

Returns:

State handle to the stored state

Throws:

Exception - if an error occurred while storing the state.