org.apache.flink.migration.runtime.state.filesystem

Class AbstractFsStateSnapshot<K,N,SV,S extends State,SD extends StateDescriptor<S,?>>

java.lang.Object

org.apache.flink.migration.runtime.state.AbstractCloseableHandle

org.apache.flink.migration.runtime.state.filesystem.AbstractFileStateHandle

org.apache.flink.migration.runtime.state.filesystem.AbstractFsStateSnapshot<K,N,SV,S,SD>

Type Parameters:

K - The type of the key in the snapshot state.

N - The type of the namespace in the snapshot state.

SV - The type of the state value.

All Implemented Interfaces:

Closeable, Serializable, AutoCloseable, KvStateSnapshot<K,N,S,SD>, MigrationRestoreSnapshot<K,N,SV>, StateObject, Migration

Direct Known Subclasses:

FsFoldingState.Snapshot, FsListState.Snapshot, FsReducingState.Snapshot, FsValueState.Snapshot

Deprecated.

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

@Deprecated
public abstract class AbstractFsStateSnapshot<K,N,SV,S extends State,SD extends StateDescriptor<S,?>>
extends AbstractFileStateHandle
implements KvStateSnapshot<K,N,S,SD>, MigrationRestoreSnapshot<K,N,SV>

A snapshot of a heap key/value state stored in a file.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected TypeSerializer<K>	keySerializer Deprecated. Key Serializer
protected TypeSerializer<N>	namespaceSerializer Deprecated. Namespace Serializer
protected SD	stateDesc Deprecated. StateDescriptor, for sanity checks
protected TypeSerializer<SV>	stateSerializer Deprecated. Serializer for the state value

Constructor Summary

Constructors

Constructor and Description
AbstractFsStateSnapshot(TypeSerializer<K> keySerializer, TypeSerializer<N> namespaceSerializer, TypeSerializer<SV> stateSerializer, SD stateDesc, Path filePath) Deprecated.

Method Summary

Methods

Modifier and Type	Method and Description
StateTable<K,N,SV>	deserialize(String stateName, HeapKeyedStateBackend<K> stateBackend) Deprecated.
TypeSerializer<K>	getKeySerializer() Deprecated.
TypeSerializer<N>	getNamespaceSerializer() Deprecated.
SD	getStateDesc() Deprecated.
TypeSerializer<SV>	getStateSerializer() Deprecated.
long	getStateSize() Deprecated. Returns the size of the state in bytes.

Methods inherited from class org.apache.flink.migration.runtime.state.filesystem.AbstractFileStateHandle

discardState, getFilePath, getFileSize, getFileSystem

Methods inherited from class org.apache.flink.migration.runtime.state.AbstractCloseableHandle

close, ensureNotClosed, isClosed, registerCloseable

Methods inherited from class java.lang.Object

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

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

discardState

Methods inherited from interface java.io.Closeable

close

Field Detail

keySerializer

protected final TypeSerializer<K> keySerializer

Deprecated.

Key Serializer

namespaceSerializer

protected final TypeSerializer<N> namespaceSerializer

Deprecated.

Namespace Serializer

stateSerializer

protected final TypeSerializer<SV> stateSerializer

Deprecated.

Serializer for the state value

stateDesc

protected final SD extends StateDescriptor<S,?> stateDesc

Deprecated.

StateDescriptor, for sanity checks

Constructor Detail

AbstractFsStateSnapshot

public AbstractFsStateSnapshot(TypeSerializer<K> keySerializer,
                       TypeSerializer<N> namespaceSerializer,
                       TypeSerializer<SV> stateSerializer,
                       SD stateDesc,
                       Path filePath)

Deprecated.

Method Detail

getStateSize

public long getStateSize()
                  throws IOException

Deprecated.

Description copied from interface: StateObject

Returns the size of the state in bytes.

If the the size is not known, return 0.

Specified by:

getStateSize in interface StateObject

Returns:

Size of the state in bytes.

Throws:

IOException

getKeySerializer

public TypeSerializer<K> getKeySerializer()

Deprecated.

getNamespaceSerializer

public TypeSerializer<N> getNamespaceSerializer()

Deprecated.

getStateSerializer

public TypeSerializer<SV> getStateSerializer()

Deprecated.

getStateDesc

public SD getStateDesc()

Deprecated.

deserialize

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

Deprecated.

Specified by:

deserialize in interface MigrationRestoreSnapshot<K,N,SV>

Throws:

IOException