org.apache.flink.runtime.state

Class DefaultKeyedStateStore

java.lang.Object

org.apache.flink.runtime.state.DefaultKeyedStateStore

All Implemented Interfaces:

KeyedStateStore

public class DefaultKeyedStateStore
extends Object
implements KeyedStateStore

Default implementation of KeyedStateStore that currently forwards state registration to a RuntimeContext.

Constructor Summary

Constructors

Constructor and Description
DefaultKeyedStateStore(KeyedStateBackend<?> keyedStateBackend, ExecutionConfig executionConfig)

Method Summary

Methods

Modifier and Type	Method and Description
<T,ACC> FoldingState<T,ACC>	getFoldingState(FoldingStateDescriptor<T,ACC> stateProperties)
<T> ListState<T>	getListState(ListStateDescriptor<T> stateProperties)
<UK,UV> MapState<UK,UV>	getMapState(MapStateDescriptor<UK,UV> stateProperties)
<T> ReducingState<T>	getReducingState(ReducingStateDescriptor<T> stateProperties)
<T> ValueState<T>	getState(ValueStateDescriptor<T> stateProperties)

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultKeyedStateStore

public DefaultKeyedStateStore(KeyedStateBackend<?> keyedStateBackend,
                      ExecutionConfig executionConfig)

Method Detail

getState

public <T> ValueState<T> getState(ValueStateDescriptor<T> stateProperties)

Specified by:

getState in interface KeyedStateStore

getListState

public <T> ListState<T> getListState(ListStateDescriptor<T> stateProperties)

Specified by:

getListState in interface KeyedStateStore

getReducingState

public <T> ReducingState<T> getReducingState(ReducingStateDescriptor<T> stateProperties)

Specified by:

getReducingState in interface KeyedStateStore

getFoldingState

public <T,ACC> FoldingState<T,ACC> getFoldingState(FoldingStateDescriptor<T,ACC> stateProperties)

Specified by:

getFoldingState in interface KeyedStateStore

getMapState

public <UK,UV> MapState<UK,UV> getMapState(MapStateDescriptor<UK,UV> stateProperties)

Specified by:

getMapState in interface KeyedStateStore