public object Clone()
{
var value = new OriginatorPrototype();
value.state = state;
return(value);
}
public static void main(String[] args)
{
OriginatorPrototype or = new OriginatorPrototype();
PrototypeCaretaker cr = new PrototypeCaretaker();
or.SetState("S0");
Console.WriteLine("初始状态:" + or.GetState());
cr.SetMemento(or.CreateMemento()); //保存状态
or.SetState("S1");
Console.WriteLine("新的状态:" + or.GetState());
or.RestoreMemento(cr.GetMemento()); //恢复状态
Console.WriteLine("恢复状态:" + or.GetState());
}
public void SetMemento(OriginatorPrototype opt)
{
this.opt = opt;
}
public void RestoreMemento(OriginatorPrototype opt)
{
this.SetState(opt.GetState());
}
