org.apache.flink.runtime.state

Interface RetrievableStateHandle<T extends Serializable>

All Superinterfaces:

Serializable, StateObject

All Known Implementing Classes:

RetrievableStreamStateHandle

public interface RetrievableStateHandle<T extends Serializable>
extends StateObject

Handle to state that can be read back again via retrieveState().

Method Summary

Methods

Modifier and Type	Method and Description
T	retrieveState() Retrieves the object that was previously written to state.

Methods inherited from interface org.apache.flink.runtime.state.StateObject

discardState, getStateSize

Method Detail

retrieveState

T retrieveState()
                                     throws IOException,
                                            ClassNotFoundException

Retrieves the object that was previously written to state.

Throws:

IOException

ClassNotFoundException