JavaCodeAcc/src/designpattern/memento/MementoClient.java at master · kylez7/JavaCodeAcc · GitHub

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package designpattern.memento;

/**

* 客户端

* @author liu yuning

public class MementoClient {

public static void main(String[] args) {

// 设置初始状态

Originator originator = new Originator();

originator.setState("On");

originator.show();

// 管理者通过备忘录保存状态，由于有了很好地封装，可以隐藏Originator的实现细节

CareTaker careTaker = new CareTaker();

careTaker.setMemento(originator.createMemento());

// 改变状态

originator.setState("Off");

originator.show();

// 通过管理者从备忘录中恢复状态

originator.recoverMemento(careTaker.getMemento());

originator.show();

}

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