C# 设计模式系列教程-原型模式

　　3.3 简历的浅复制实现

 /// <summary>
 /// 实现了ICloneable接口的简历类
 /// </summary>
 public class Resume:ICloneable
 {
 public Resume()
 {
  mWorkExperience = new WorkExperience();
 }

 private string mName;
 private string mSex;
 private int mAge;
 private WorkExperience mWorkExperience;

 public string Name
 {
  get { return mName; }
  set { mName = value; }
 }

 public string Sex
 {
  get { return mSex; }
  set { mSex = value; }
 }

 public int Age
 {
  get { return mAge; }
  set { mAge = value; }
 }

 /// <summary>
 /// 关联了一个引用类型
 /// </summary>
 public WorkExperience WorkExperience 
 { 
  get { return mWorkExperience; } 
 }

 public void SetWorkExperience(DateTime startDate, DateTime endDate, string company, string position)
 {
  this.mWorkExperience.Company = company;
  this.mWorkExperience.EndDate = endDate;
  this.mWorkExperience.StartDate = startDate;
  this.mWorkExperience.Position = position;
 }

 /// <summary>
 /// 实现ICloneable接口的Clone方法
 /// </summary>
 /// <returns></returns>
 public object Clone()
 {
  // .Net 为我们提供的浅复制对象的方法
  return this.MemberwiseClone();
 }
 }

 /// <summary>
 /// 工作经历类
 /// </summary>
 public class WorkExperience
 {
 public DateTime StartDate { get; set; }
 public DateTime EndDate { get; set; }
 public string Company { get; set; }
 public string Position { get; set; }
 }

 [TestMethod]
 public void TestShallowCopy()
 {
  Resume myFirstResume = new Resume
  {
  Age = 29,
  Name = "Kevin Wang",
  Sex = "男",
  };
  myFirstResume.SetWorkExperience(new DateTime(2006, 7, 1), new DateTime(2007, 7, 1), "My First Company", "Software Engineer");

  Resume mySecondResume = (Resume)myFirstResume.Clone();
  mySecondResume.SetWorkExperience(new DateTime(2007, 8, 1), new DateTime(2008, 8, 1), "My Second Company", "Software Engineer");

  Resume myThirdResume = (Resume)myFirstResume.Clone();
  myThirdResume.SetWorkExperience(new DateTime(2008, 8, 1), new DateTime(2009, 8, 1), "My Third Company", "Senior Software Engineer");

  Assert.AreEqual("My First Company", myFirstResume.WorkExperience.Company);
  Assert.AreEqual("My Second Company", mySecondResume.WorkExperience.Company);
  Assert.AreEqual("My Third Company", myThirdResume.WorkExperience.Company); 
 }