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

类 WindowOperator.PerWindowStateStore

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.PerWindowStateStore

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.PerWindowStateStore
extends WindowOperator.AbstractPerWindowStateStore

Regular per-window state store for use with ProcessWindowFunction.

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

从类继承的方法 org.apache.flink.runtime.state.DefaultKeyedStateStore

getAggregatingState, getFoldingState, getListState, getMapState, getReducingState, getState

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

PerWindowStateStore

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

方法详细资料

getPartitionedState

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

覆盖:

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

抛出:

Exception