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MementoPattern(备忘录模式)

发布时间:2016-12-29 18:01:23
/** * 备忘录模式 * @author TMAC-J * 用于存储bean的状态 */public class MementoPattern { public class Memento{ private int lifeValue; pri ...
/** * 备忘录模式 * @author TMAC-J * 用于存储bean的状态 */public class MementoPattern {    public class Memento{        private int lifeValue;        private int grade;    public int getLifeValue() {      return lifeValue;    }    public void setLifeValue(int lifeValue) {      this.lifeValue = lifeValue;    }    public int getGrade() {      return grade;    }    public void setGrade(int grade) {      this.grade = grade;    }      }    public class Originator{        public Originator(int lifeValue,int grade) {      this.grade = grade;      this.lifeValue = lifeValue;    }        private int lifeValue;        private int grade;    public int getLifeValue() {      return lifeValue;    }    public void setLifeValue(int lifeValue) {      this.lifeValue = lifeValue;    }    public int getGrade() {      return grade;    }    public void setGrade(int grade) {      this.grade = grade;    }        public Memento createMemento(){      Memento memento = new Memento();      memento.setGrade(this.grade);      memento.setLifeValue(this.lifeValue);      return memento;    }        public void setMemento(Memento memento){      this.lifeValue = memento.getLifeValue();      this.grade = memento.getGrade();    }      }    public class MementoManage{        private Memento memento;    public Memento getMemento() {      return memento;    }    public void setMemento(Memento memento) {      this.memento = memento;    }      }    public void test(){    Originator originator = new Originator(10,10);    Memento memento = originator.createMemento();    originator.setMemento(memento);  }  }

原标题:MementoPattern(备忘录模式)

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