com.alibaba.nacos.common.utils

接口 Observer

public interface Observer

Obeserver.

作者:

liaochuntao

方法概要

限定符和类型	方法和说明
void	update(Observable o, Object arg) This method is called whenever the observed object is changed.

方法详细资料

update

void update(Observable o,
            Object arg)

This method is called whenever the observed object is changed. An application calls an Observable object's notifyObservers method to have all the object's observers notified of the change.

参数:

o - the observable object.

arg - an argument passed to the notifyObservers method.