org.apache.flink.migration.state

Class MigrationKeyGroupStateHandle

java.lang.Object

org.apache.flink.runtime.state.KeyGroupsStateHandle

org.apache.flink.migration.state.MigrationKeyGroupStateHandle

All Implemented Interfaces:

Serializable, CompositeStateHandle, KeyedStateHandle, StateObject, StreamStateHandle, Migration

Deprecated.

Internal class for savepoint backwards compatibility. Don't use for other purposes.

@Internal
@Deprecated
public class MigrationKeyGroupStateHandle
extends KeyGroupsStateHandle
implements Migration

This class is just a KeyGroupsStateHandle that is tagged as migration, to figure out which restore logic to apply, e.g. when restoring backend data from a state handle.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MigrationKeyGroupStateHandle(KeyGroupRangeOffsets groupRangeOffsets, StreamStateHandle streamStateHandle) Deprecated.

Method Summary

Methods inherited from class org.apache.flink.runtime.state.KeyGroupsStateHandle

discardState, equals, getDelegateStateHandle, getGroupRangeOffsets, getIntersection, getKeyGroupRange, getOffsetForKeyGroup, getStateSize, hashCode, openInputStream, registerSharedStates, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

MigrationKeyGroupStateHandle

public MigrationKeyGroupStateHandle(KeyGroupRangeOffsets groupRangeOffsets,
                            StreamStateHandle streamStateHandle)

Deprecated.

Parameters:

groupRangeOffsets - range of key-group ids that in the state of this handle

streamStateHandle - handle to the actual state of the key-groups