org.apache.flink.runtime.state

Interface IncrementalKeyedStateHandle

All Superinterfaces:

CompositeStateHandle, KeyedStateHandle, Serializable, StateObject

All Known Implementing Classes:

IncrementalLocalKeyedStateHandle, IncrementalRemoteKeyedStateHandle

public interface IncrementalKeyedStateHandle
extends KeyedStateHandle

Common interface to all incremental KeyedStateHandle.

Method Summary

Modifier and Type	Method and Description
UUID	getBackendIdentifier() Returns the identifier of the state backend from which this handle was created.
long	getCheckpointId() Returns the ID of the checkpoint for which the handle was created.
Set<StateHandleID>	getSharedStateHandleIDs() Returns a set of ids of all registered shared states in the backend at the time this was created.

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

getIntersection, getKeyGroupRange

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

registerSharedStates

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

discardState, getStateSize

Method Detail

getCheckpointId

long getCheckpointId()

Returns the ID of the checkpoint for which the handle was created.

getBackendIdentifier

@Nonnull
UUID getBackendIdentifier()

Returns the identifier of the state backend from which this handle was created.

getSharedStateHandleIDs

@Nonnull
Set<StateHandleID> getSharedStateHandleIDs()

Returns a set of ids of all registered shared states in the backend at the time this was created.