TestableKeyedStateBackend (Flink : Runtime 2.1.0 API)

All Superinterfaces:

org.apache.flink.util.Disposable, KeyedStateBackend<K>, KeyedStateFactory, PriorityQueueSetFactory

All Known Implementing Classes:

AbstractKeyedStateBackend, HeapKeyedStateBackend
```
@VisibleForTesting
public interface TestableKeyedStateBackend<K>
extends KeyedStateBackend<K>
```
A keyed state backend interface for internal testing purpose.

Nested Class Summary
- Nested classes/interfaces inherited from interface org.apache.flink.runtime.state.KeyedStateBackend
  KeyedStateBackend.KeySelectionListener<K>

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default KeyedStateBackend<K>`	`getDelegatedKeyedStateBackend(boolean recursive)`
`int`	`numKeyValueStateEntries()`	Returns the total number of state entries across all keys/namespaces.

Methods inherited from interface org.apache.flink.runtime.state.KeyedStateBackend
applyToAllKeys, deregisterKeySelectionListener, dispose, getCurrentKey, getKeys, getKeys, getKeysAndNamespaces, getKeySerializer, getOrCreateKeyedState, getPartitionedState, isSafeToReuseKVState, registerKeySelectionListener, setCurrentKey, setCurrentKeyAndKeyGroup

Methods inherited from interface org.apache.flink.runtime.state.KeyedStateFactory
createOrUpdateInternalState, createOrUpdateInternalState, createOrUpdateInternalState

Methods inherited from interface org.apache.flink.runtime.state.PriorityQueueSetFactory
create, create

- Method Detail
  - numKeyValueStateEntries
```
int numKeyValueStateEntries()
```
    Returns the total number of state entries across all keys/namespaces.
  - getDelegatedKeyedStateBackend
```
default KeyedStateBackend<K> getDelegatedKeyedStateBackend(boolean recursive)
```
    Parameters:
    
    recursive - true if the call should be recursive
    
    Returns:
    
    delegated KeyedStateBackend if this backends delegates its responisibilities..