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

Class WindowOperator.PerWindowStateStore

java.lang.Object

org.apache.flink.runtime.state.DefaultKeyedStateStore

WindowOperator<K,IN,ACC,OUT,W>.AbstractPerWindowStateStore

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

All Implemented Interfaces:

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

Enclosing class:

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

public class WindowOperator.PerWindowStateStore
extends WindowOperator<K,IN,ACC,OUT,W>.AbstractPerWindowStateStore

Regular per-window state store for use with ProcessWindowFunction.

Field Summary

Fields inherited from class org.apache.flink.streaming.runtime.operators.windowing.WindowOperator.AbstractPerWindowStateStore

window

Fields inherited from class org.apache.flink.runtime.state.DefaultKeyedStateStore

asyncKeyedStateBackend, keyedStateBackend, serializerFactory, supportKeyedStateApiSet

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
protected <S extends org.apache.flink.api.common.state.State> S	getPartitionedState(org.apache.flink.api.common.state.StateDescriptor<S,?> stateDescriptor)

Methods inherited from class org.apache.flink.runtime.state.DefaultKeyedStateStore

getAggregatingState, getAggregatingState, getListState, getListState, getMapState, getMapState, getPartitionedState, getReducingState, getReducingState, getState, getValueState, setSupportKeyedStateApiSetV2

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.api.common.state.KeyedStateStore

getState

Constructor Details

PerWindowStateStore

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

Method Details

getPartitionedState

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

Overrides:

getPartitionedState in class DefaultKeyedStateStore

Throws:

Exception