Java Originator.setState示例

示例#1

文件： MementoExample.java 项目： tvd12/design-patterns

  public static void main(String[] args) {
    Originator originator = new Originator();
    CareTaker careTaker = new CareTaker();

    originator.setState("State #1");
    originator.setState("State #2");
    careTaker.add(originator.saveStateToMemento());

    originator.setState("State #3");
    careTaker.add(originator.saveStateToMemento());

    originator.setState("State #4");
    System.out.println("Current State: " + originator.getState());

    originator.getStateFromMemento(careTaker.get(0));
    System.out.println("First saved State: " + originator.getState());
    originator.getStateFromMemento(careTaker.get(1));
    System.out.println("Second saved State: " + originator.getState());
  }