org.apache.flink.api.common.state

接口 MergingState<IN,OUT>

类型参数:

IN - Type of the value that can be added to the state.

OUT - Type of the value that can be retrieved from the state.

所有超级接口:

AppendingState<IN,OUT>, State

所有已知子接口:

AggregatingState<IN,OUT>, ListState<T>, ReducingState<T>

@PublicEvolving
public interface MergingState<IN,OUT>
extends AppendingState<IN,OUT>

Extension of AppendingState that allows merging of state. That is, two instances of MergingState can be combined into a single instance that contains all the information of the two merged states.

方法概要

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

add, get

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

clear