org.apache.flink.migration.runtime.state.memory

Class AbstractMigrationRestoreStrategy<K,N,S>

java.lang.Object

org.apache.flink.migration.runtime.state.memory.AbstractMigrationRestoreStrategy<K,N,S>

Type Parameters:

K - type of key.

N - type of namespace.

S - type of state.

All Implemented Interfaces:

MigrationRestoreSnapshot<K,N,S>, Migration

Deprecated.

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

@Deprecated
public abstract class AbstractMigrationRestoreStrategy<K,N,S>
extends Object
implements MigrationRestoreSnapshot<K,N,S>

This class outlines the general strategy to restore from migration states.

Field Summary

Fields

Modifier and Type	Field and Description
protected TypeSerializer<K>	keySerializer Deprecated. Key Serializer
protected TypeSerializer<N>	namespaceSerializer Deprecated. Namespace Serializer
protected TypeSerializer<S>	stateSerializer Deprecated. Serializer for the state value

Constructor Summary

Constructors

Constructor and Description
AbstractMigrationRestoreStrategy(TypeSerializer<K> keySerializer, TypeSerializer<N> namespaceSerializer, TypeSerializer<S> stateSerializer) Deprecated.

Method Summary

Methods

Modifier and Type	Method and Description
StateTable<K,N,S>	deserialize(String stateName, HeapKeyedStateBackend<K> stateBackend) Deprecated.
protected abstract DataInputView	openDataInputView() Deprecated. Different state handles require different code to end up with a DataInputView.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

keySerializer

protected final TypeSerializer<K> keySerializer

Deprecated.

Key Serializer

namespaceSerializer

protected final TypeSerializer<N> namespaceSerializer

Deprecated.

Namespace Serializer

stateSerializer

protected final TypeSerializer<S> stateSerializer

Deprecated.

Serializer for the state value

Constructor Detail

AbstractMigrationRestoreStrategy

public AbstractMigrationRestoreStrategy(TypeSerializer<K> keySerializer,
                                TypeSerializer<N> namespaceSerializer,
                                TypeSerializer<S> stateSerializer)

Deprecated.

Method Detail

deserialize

public StateTable<K,N,S> deserialize(String stateName,
                            HeapKeyedStateBackend<K> stateBackend)
                              throws IOException

Deprecated.

Specified by:

deserialize in interface MigrationRestoreSnapshot<K,N,S>

Throws:

IOException

openDataInputView

protected abstract DataInputView openDataInputView()
                                            throws IOException

Deprecated.

Different state handles require different code to end up with a DataInputView.

Throws:

IOException