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

Class ByteStreamStateHandle

java.lang.Object

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

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

All Implemented Interfaces:

Closeable, Serializable, AutoCloseable, StateHandle<InputStream>, StateObject, StreamStateHandle

Deprecated.

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

@Deprecated
public final class ByteStreamStateHandle
extends AbstractCloseableHandle
implements StreamStateHandle

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
ByteStreamStateHandle(byte[] data) Deprecated. Creates a new ByteStreamStateHandle containing the given data.

Method Summary

Methods

Modifier and Type	Method and Description
void	discardState() Deprecated. Discards the state referred to by this handle, to free up resources in the persistent storage.
byte[]	getData() Deprecated.
InputStream	getState(ClassLoader userCodeClassLoader) Deprecated. This retrieves and return the state represented by the handle.
long	getStateSize() Deprecated. Returns the size of the state in bytes.
<T extends Serializable> StateHandle<T>	toSerializableHandle() Deprecated. Converts this stream state handle into a state handle that de-serializes the stream into an object using Java's serialization mechanism.

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 java.io.Closeable

close

Constructor Detail

ByteStreamStateHandle

public ByteStreamStateHandle(byte[] data)

Deprecated.

Creates a new ByteStreamStateHandle containing the given data.

Parameters:

data - The state data.

Method Detail

getState

public InputStream getState(ClassLoader userCodeClassLoader)
                     throws Exception

Deprecated.

Description copied from interface: StateHandle

This retrieves and return the state represented by the handle.

Specified by:

getState in interface StateHandle<InputStream>

Parameters:

userCodeClassLoader - Class loader for deserializing user code specific classes

Returns:

The state represented by the handle.

Throws:

Exception - Thrown, if the state cannot be fetched.

discardState

public void discardState()

Deprecated.

Description copied from interface: StateObject

Discards the state referred to by this handle, to free up resources in the persistent storage. This method is called when the handle will not be used any more.

Specified by:

discardState in interface StateObject

getStateSize

public long getStateSize()

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.

toSerializableHandle

public <T extends Serializable> StateHandle<T> toSerializableHandle()

Deprecated.

Description copied from interface: StreamStateHandle

Converts this stream state handle into a state handle that de-serializes the stream into an object using Java's serialization mechanism.

Specified by:

toSerializableHandle in interface StreamStateHandle

Returns:

The state handle that automatically de-serializes.

getData

public byte[] getData()

Deprecated.