org.apache.flink.runtime.state

类 DefaultKeyedStateStore

java.lang.Object

org.apache.flink.runtime.state.DefaultKeyedStateStore

所有已实现的接口:

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.

字段概要

字段

限定符和类型	字段和说明
protected org.apache.flink.api.common.ExecutionConfig	executionConfig
protected KeyedStateBackend<?>	keyedStateBackend

构造器概要

构造器

构造器和说明
DefaultKeyedStateStore(KeyedStateBackend<?> keyedStateBackend, org.apache.flink.api.common.ExecutionConfig executionConfig)

方法概要

限定符和类型	方法和说明
<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> 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)

从类继承的方法 java.lang.Object

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

字段详细资料

keyedStateBackend

protected final KeyedStateBackend<?> keyedStateBackend

executionConfig

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

构造器详细资料

DefaultKeyedStateStore

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

方法详细资料

getState

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

指定者:

getState 在接口中 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)

指定者:

getListState 在接口中 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)

指定者:

getReducingState 在接口中 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)

指定者:

getAggregatingState 在接口中 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)

指定者:

getMapState 在接口中 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

抛出:

Exception