org.apache.flink.streaming.runtime.tasks

Class StreamTaskStateList

java.lang.Object

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

All Implemented Interfaces:

Closeable, Serializable, AutoCloseable, org.apache.flink.runtime.state.StateHandle<StreamTaskState[]>, org.apache.flink.runtime.state.StateObject

@Internal
public class StreamTaskStateList
extends Object
implements org.apache.flink.runtime.state.StateHandle<StreamTaskState[]>

List of task states for a chain of streaming tasks.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
StreamTaskStateList(StreamTaskState[] states)

Method Summary

Modifier and Type	Method and Description
void	close()
void	discardState()
StreamTaskState[]	getState(ClassLoader userCodeClassLoader)
long	getStateSize()
boolean	isEmpty()

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

Throws:

Exception

Method Detail

isEmpty

public boolean isEmpty()

getState

public StreamTaskState[] getState(ClassLoader userCodeClassLoader)

Specified by:

getState in interface org.apache.flink.runtime.state.StateHandle<StreamTaskState[]>

discardState

public void discardState()
                  throws Exception

Specified by:

discardState in interface org.apache.flink.runtime.state.StateObject

Throws:

Exception

getStateSize

public long getStateSize()
                  throws Exception

Specified by:

getStateSize in interface org.apache.flink.runtime.state.StateObject

Throws:

Exception

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException