Package org.apache.flink.runtime.state.heap

Class HeapPriorityQueueStateSnapshot<T>

java.lang.Object

org.apache.flink.runtime.state.heap.HeapPriorityQueueStateSnapshot<T>

Type Parameters:

T - type of the state elements.

All Implemented Interfaces:

StateSnapshot

public class HeapPriorityQueueStateSnapshot<T>
extends Object
implements StateSnapshot

This class represents the snapshot of an HeapPriorityQueueSet.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.runtime.state.StateSnapshot

StateSnapshot.StateKeyGroupWriter

Method Summary

Modifier and Type	Method	Description
Iterator<T>	getIteratorForKeyGroup(int keyGroupId)
StateSnapshot.StateKeyGroupWriter	getKeyGroupWriter()	This method returns StateSnapshot.StateKeyGroupWriter and should be called in the asynchronous part of the snapshot.
RegisteredPriorityQueueStateBackendMetaInfo<T>	getMetaInfo()
StateMetaInfoSnapshot	getMetaInfoSnapshot()	Returns a snapshot of the state's meta data.
void	release()	Release the snapshot.

Methods inherited from class java.lang.Object

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

Method Details

getKeyGroupWriter

@Nonnull
public StateSnapshot.StateKeyGroupWriter getKeyGroupWriter()

Description copied from interface: StateSnapshot

This method returns StateSnapshot.StateKeyGroupWriter and should be called in the asynchronous part of the snapshot.

Specified by:

getKeyGroupWriter in interface StateSnapshot

getIteratorForKeyGroup

public Iterator<T> getIteratorForKeyGroup(int keyGroupId)

getMetaInfoSnapshot

@Nonnull
public StateMetaInfoSnapshot getMetaInfoSnapshot()

Description copied from interface: StateSnapshot

Returns a snapshot of the state's meta data.

Specified by:

getMetaInfoSnapshot in interface StateSnapshot

getMetaInfo

@Nonnull
public RegisteredPriorityQueueStateBackendMetaInfo<T> getMetaInfo()

release

public void release()

Description copied from interface: StateSnapshot

Release the snapshot. All snapshots should be released when they are no longer used because some implementation can only release resources after a release. Produced StateSnapshot.StateKeyGroupWriter should no longer be used after calling this method.

Specified by:

release in interface StateSnapshot