/*
* The MIT License
*
* Copyright (c) 2012, Lubing Zhang.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.github.zhanglubing.designpattern.memento;
/**
* Memento.
*
* @author Lubing Zhang
*
*/
public class Originator {
private String state;
public Originator(String state) {
this.state = state;
}
public String getState() {
return this.state;
}
public void setState(String state) {
this.state = state;
}
public IMemento createMemento() {
return new Memento(this.state);
}
public void restoreMemento(IMemento memento) {
Memento m = (Memento) memento;
this.setState(m.getState());
}
/**
* Memento.
*
* @author Lubing Zhang
*
*/
private class Memento implements IMemento {
private String state;
public Memento(String state) {
this.state = state;
}
public String getState() {
return this.state;
}
}
}