org.apache.flink.runtime.state

Class DefaultKeyedStateStore

java.lang.Object

org.apache.flink.runtime.state.DefaultKeyedStateStore

All Implemented Interfaces:

org.apache.flink.api.common.state.KeyedStateStore

public class DefaultKeyedStateStore
extends Object
implements org.apache.flink.api.common.state.KeyedStateStore

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

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.flink.api.common.ExecutionConfig	executionConfig
protected KeyedStateBackend<?>	keyedStateBackend

Constructor Summary

Constructors

Constructor and Description
DefaultKeyedStateStore(KeyedStateBackend<?> keyedStateBackend, org.apache.flink.api.common.ExecutionConfig executionConfig)

Method Summary

Modifier and Type	Method and Description
<IN,ACC,OUT> org.apache.flink.api.common.state.AggregatingState<IN,OUT>	getAggregatingState(org.apache.flink.api.common.state.AggregatingStateDescriptor<IN,ACC,OUT> stateProperties)
<T,ACC> org.apache.flink.api.common.state.FoldingState<T,ACC>	getFoldingState(org.apache.flink.api.common.state.FoldingStateDescriptor<T,ACC> stateProperties)
<T> org.apache.flink.api.common.state.ListState<T>	getListState(org.apache.flink.api.common.state.ListStateDescriptor<T> stateProperties)
<UK,UV> org.apache.flink.api.common.state.MapState<UK,UV>	getMapState(org.apache.flink.api.common.state.MapStateDescriptor<UK,UV> stateProperties)
protected <S extends org.apache.flink.api.common.state.State> S	getPartitionedState(org.apache.flink.api.common.state.StateDescriptor<S,?> stateDescriptor)
<T> org.apache.flink.api.common.state.ReducingState<T>	getReducingState(org.apache.flink.api.common.state.ReducingStateDescriptor<T> stateProperties)
<T> org.apache.flink.api.common.state.ValueState<T>	getState(org.apache.flink.api.common.state.ValueStateDescriptor<T> stateProperties)

Methods inherited from class java.lang.Object

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

Field Detail

keyedStateBackend

protected final KeyedStateBackend<?> keyedStateBackend

executionConfig

protected final org.apache.flink.api.common.ExecutionConfig executionConfig

Constructor Detail

DefaultKeyedStateStore

public DefaultKeyedStateStore(KeyedStateBackend<?> keyedStateBackend,
                              org.apache.flink.api.common.ExecutionConfig executionConfig)

Method Detail

getState

public <T> org.apache.flink.api.common.state.ValueState<T> getState(org.apache.flink.api.common.state.ValueStateDescriptor<T> stateProperties)

Specified by:

getState in interface org.apache.flink.api.common.state.KeyedStateStore

getListState

public <T> org.apache.flink.api.common.state.ListState<T> getListState(org.apache.flink.api.common.state.ListStateDescriptor<T> stateProperties)

Specified by:

getListState in interface org.apache.flink.api.common.state.KeyedStateStore

getReducingState

public <T> org.apache.flink.api.common.state.ReducingState<T> getReducingState(org.apache.flink.api.common.state.ReducingStateDescriptor<T> stateProperties)

Specified by:

getReducingState in interface org.apache.flink.api.common.state.KeyedStateStore

getAggregatingState

public <IN,ACC,OUT> org.apache.flink.api.common.state.AggregatingState<IN,OUT> getAggregatingState(org.apache.flink.api.common.state.AggregatingStateDescriptor<IN,ACC,OUT> stateProperties)

Specified by:

getAggregatingState in interface org.apache.flink.api.common.state.KeyedStateStore

getFoldingState

public <T,ACC> org.apache.flink.api.common.state.FoldingState<T,ACC> getFoldingState(org.apache.flink.api.common.state.FoldingStateDescriptor<T,ACC> stateProperties)

Specified by:

getFoldingState in interface org.apache.flink.api.common.state.KeyedStateStore

getMapState

public <UK,UV> org.apache.flink.api.common.state.MapState<UK,UV> getMapState(org.apache.flink.api.common.state.MapStateDescriptor<UK,UV> stateProperties)

Specified by:

getMapState in interface org.apache.flink.api.common.state.KeyedStateStore

getPartitionedState

protected <S extends org.apache.flink.api.common.state.State> S getPartitionedState(org.apache.flink.api.common.state.StateDescriptor<S,?> stateDescriptor)
                                                                             throws Exception

Throws:

Exception