org.apache.flink.runtime.state.v2

类 InternalAggregatingState<K,IN,ACC,OUT>

java.lang.Object

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

org.apache.flink.runtime.state.v2.InternalAggregatingState<K,IN,ACC,OUT>

类型参数:

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

IN - The type of the values that are added into the state.

ACC - TThe type of the accumulator (intermediate aggregation state).

OUT - The type of the values that are returned from the state.

所有已实现的接口:

org.apache.flink.api.common.state.v2.AggregatingState<IN,OUT>, org.apache.flink.api.common.state.v2.AppendingState<IN,OUT>, org.apache.flink.api.common.state.v2.MergingState<IN,OUT>, org.apache.flink.api.common.state.v2.State

public class InternalAggregatingState<K,IN,ACC,OUT>
extends InternalKeyedState<K,ACC>
implements org.apache.flink.api.common.state.v2.AggregatingState<IN,OUT>

The default implementation of AggregatingState, which delegates all async requests to StateRequestHandler.

字段概要

字段

限定符和类型	字段和说明
protected org.apache.flink.api.common.functions.AggregateFunction<IN,ACC,OUT>	aggregateFunction

构造器概要

构造器

构造器和说明
InternalAggregatingState(StateRequestHandler stateRequestHandler, AggregatingStateDescriptor<IN,ACC,OUT> stateDescriptor) Creates a new InternalKeyedState with the given asyncExecutionController and stateDescriptor.

方法概要

限定符和类型	方法和说明
org.apache.flink.api.common.state.v2.StateFuture<Void>	asyncAdd(IN value)
org.apache.flink.api.common.state.v2.StateFuture<OUT>	asyncGet()

从类继承的方法 org.apache.flink.runtime.state.v2.InternalKeyedState

asyncClear, getStateDescriptor, getValueSerializer, handleRequest

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.api.common.state.v2.State

asyncClear

字段详细资料

aggregateFunction

protected final org.apache.flink.api.common.functions.AggregateFunction<IN,ACC,OUT> aggregateFunction

构造器详细资料

InternalAggregatingState

public InternalAggregatingState(StateRequestHandler stateRequestHandler,
                                AggregatingStateDescriptor<IN,ACC,OUT> stateDescriptor)

Creates a new InternalKeyedState with the given asyncExecutionController and stateDescriptor.

参数:

stateRequestHandler - The async request handler for handling all requests.

stateDescriptor - The properties of the state.

方法详细资料

asyncGet

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

指定者:

asyncGet 在接口中 org.apache.flink.api.common.state.v2.AppendingState<IN,OUT>

asyncAdd

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

指定者:

asyncAdd 在接口中 org.apache.flink.api.common.state.v2.AppendingState<IN,OUT>