org.apache.flink.runtime.state

接口 KeyedStateBackend.KeySelectionListener<K>

封闭接口:

KeyedStateBackend<K>

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 static interface KeyedStateBackend.KeySelectionListener<K>

Listener is given a callback when KeyedStateBackend.setCurrentKey(K) is called (key context changes).

方法概要

限定符和类型	方法和说明
void	keySelected(K newKey) Callback when key context is switched.

方法详细资料

keySelected

void keySelected(K newKey)

Callback when key context is switched.