org.apache.flink.runtime.state

接口 KeyedStateFunction<K,S extends org.apache.flink.api.common.state.State>

类型参数:

K - The type of key.

S - The type of state.

函数接口:

这是一个函数接口, 因此可用作 lambda 表达式或方法引用的赋值目标。

@FunctionalInterface
public interface KeyedStateFunction<K,S extends org.apache.flink.api.common.state.State>

A function to be applied to all keyed states.

方法概要

限定符和类型	方法和说明
void	process(K key, S state) The actual method to be applied on each of the states.

方法详细资料

process

void process(K key,
             S state)
      throws Exception

The actual method to be applied on each of the states.

参数:

key - the key whose state is being processed.

state - the state associated with the aforementioned key.

抛出:

Exception