org.apache.flink.migration.streaming.runtime.tasks

Class StreamTaskStateList

java.lang.Object

org.apache.flink.migration.streaming.runtime.tasks.StreamTaskStateList

All Implemented Interfaces:

Closeable, Serializable, AutoCloseable, StateHandle<StreamTaskState[]>, StateObject

Deprecated.

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

@Deprecated
@Internal
public class StreamTaskStateList
extends Object
implements StateHandle<StreamTaskState[]>

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
StreamTaskStateList(StreamTaskState[] states) Deprecated.

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Deprecated.
void	discardState() Deprecated. Discards the state referred to by this handle, to free up resources in the persistent storage.
StreamTaskState[]	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.
boolean	isEmpty() Deprecated.

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamTaskStateList

public StreamTaskStateList(StreamTaskState[] states)
                    throws Exception

Deprecated.

Throws:

Exception

Method Detail

isEmpty

public boolean isEmpty()

Deprecated.

getState

public StreamTaskState[] getState(ClassLoader userCodeClassLoader)

Deprecated.

Description copied from interface: StateHandle

This retrieves and return the state represented by the handle.

Specified by:

getState in interface StateHandle<StreamTaskState[]>

Parameters:

userCodeClassLoader - Class loader for deserializing user code specific classes

Returns:

The state represented by the handle.

discardState

public void discardState()
                  throws Exception

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

Throws:

Exception

getStateSize

public long getStateSize()
                  throws Exception

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:

Exception - If the operation fails during size retrieval.

close

public void close()
           throws IOException

Deprecated.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException