org.apache.flink.runtime.state.v2

Class InternalReducingState<K,V>

java.lang.Object

org.apache.flink.runtime.state.v2.InternalKeyedState<K,V>

org.apache.flink.runtime.state.v2.InternalReducingState<K,V>

Type Parameters:

K - The type of key the state is associated to.

V - The type of values kept internally in state.

All Implemented Interfaces:

org.apache.flink.api.common.state.v2.AppendingState<V,V>, org.apache.flink.api.common.state.v2.MergingState<V,V>, org.apache.flink.api.common.state.v2.ReducingState<V>, org.apache.flink.api.common.state.v2.State

public class InternalReducingState<K,V>
extends InternalKeyedState<K,V>
implements org.apache.flink.api.common.state.v2.ReducingState<V>

A default implementation of ReducingState which delegates all async requests to StateRequestHandler.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.flink.api.common.functions.ReduceFunction<V>	reduceFunction

Constructor Summary

Constructors

Constructor and Description
InternalReducingState(StateRequestHandler stateRequestHandler, ReducingStateDescriptor<V> stateDescriptor)

Method Summary

Modifier and Type	Method and Description
org.apache.flink.api.common.state.v2.StateFuture<Void>	asyncAdd(V value)
org.apache.flink.api.common.state.v2.StateFuture<V>	asyncGet()

Methods inherited from class org.apache.flink.runtime.state.v2.InternalKeyedState

asyncClear, getStateDescriptor, getValueSerializer, handleRequest

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.v2.State

asyncClear

Field Detail

reduceFunction

protected final org.apache.flink.api.common.functions.ReduceFunction<V> reduceFunction

Constructor Detail

InternalReducingState

public InternalReducingState(StateRequestHandler stateRequestHandler,
                             ReducingStateDescriptor<V> stateDescriptor)

Method Detail

asyncGet

public org.apache.flink.api.common.state.v2.StateFuture<V> asyncGet()

Specified by:

asyncGet in interface org.apache.flink.api.common.state.v2.AppendingState<V,V>

asyncAdd

public org.apache.flink.api.common.state.v2.StateFuture<Void> asyncAdd(V value)

Specified by:

asyncAdd in interface org.apache.flink.api.common.state.v2.AppendingState<V,V>