org.apache.flink.streaming.runtime.operators.windowing

类 WindowOperator.MergingWindowStateStore

java.lang.Object

org.apache.flink.runtime.state.DefaultKeyedStateStore

org.apache.flink.streaming.runtime.operators.windowing.WindowOperator.AbstractPerWindowStateStore

org.apache.flink.streaming.runtime.operators.windowing.WindowOperator.MergingWindowStateStore

所有已实现的接口:

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

封闭类:

WindowOperator<K,IN,ACC,OUT,W extends Window>

public class WindowOperator.MergingWindowStateStore
extends WindowOperator.AbstractPerWindowStateStore

Special WindowOperator.AbstractPerWindowStateStore that doesn't allow access to per-window state.

字段概要

从类继承的字段 org.apache.flink.streaming.runtime.operators.windowing.WindowOperator.AbstractPerWindowStateStore

window

从类继承的字段 org.apache.flink.runtime.state.DefaultKeyedStateStore

executionConfig, keyedStateBackend

构造器概要

构造器

构造器和说明
MergingWindowStateStore(org.apache.flink.runtime.state.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,A> org.apache.flink.api.common.state.FoldingState<T,A>	getFoldingState(org.apache.flink.api.common.state.FoldingStateDescriptor<T,A> 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)
<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 org.apache.flink.runtime.state.DefaultKeyedStateStore

getPartitionedState

从类继承的方法 java.lang.Object

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

构造器详细资料

MergingWindowStateStore

public MergingWindowStateStore(org.apache.flink.runtime.state.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

覆盖:

getState 在类中 org.apache.flink.runtime.state.DefaultKeyedStateStore

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

覆盖:

getListState 在类中 org.apache.flink.runtime.state.DefaultKeyedStateStore

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

覆盖:

getReducingState 在类中 org.apache.flink.runtime.state.DefaultKeyedStateStore

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

覆盖:

getAggregatingState 在类中 org.apache.flink.runtime.state.DefaultKeyedStateStore

getFoldingState

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

指定者:

getFoldingState 在接口中 org.apache.flink.api.common.state.KeyedStateStore

覆盖:

getFoldingState 在类中 org.apache.flink.runtime.state.DefaultKeyedStateStore

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

覆盖:

getMapState 在类中 org.apache.flink.runtime.state.DefaultKeyedStateStore