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

Class WindowOperator.AbstractPerWindowStateStore

java.lang.Object

org.apache.flink.runtime.state.DefaultKeyedStateStore

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

All Implemented Interfaces:

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

Direct Known Subclasses:

WindowOperator.MergingWindowStateStore, WindowOperator.PerWindowStateStore

Enclosing class:

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

public abstract class WindowOperator.AbstractPerWindowStateStore
extends org.apache.flink.runtime.state.DefaultKeyedStateStore

Base class for per-window KeyedStateStores. Used to allow per-window state access for ProcessWindowFunction.

Field Summary

Fields

Modifier and Type	Field and Description
protected W	window

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

executionConfig, keyedStateBackend

Constructor Summary

Constructors

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

Method Summary

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

getAggregatingState, getFoldingState, getListState, getMapState, getPartitionedState, getReducingState, getState

Methods inherited from class java.lang.Object

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

Field Detail

window

protected W extends Window window

Constructor Detail

AbstractPerWindowStateStore

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