HeapPriorityQueueStateSnapshot (Flink : Runtime 2.1.0 API)

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

All Methods Instance Methods Concrete Methods
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 Detail
  - 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