C# (CSharp) DesignPattern.Visitor AbstractElement示例

示例#1

文件： AbstractVisitor.cs 项目： webabcd/DesignPattern

 /// <summary>
 /// 执行抽象元素的方法
 /// </summary>
 /// <param name="abstractElement">抽象元素</param>
 /// <returns></returns>
 public abstract string Visit(AbstractElement abstractElement);

示例#2

        /// <summary>
        /// 执行Message的Insert()方法
        /// </summary>
        /// <param name="abstractElement">抽象元素</param>
        /// <returns></returns>
        public override string Visit(AbstractElement abstractElement)
        {
            Message m = abstractElement as Message;

            return(m.Insert().ToString());
        }

示例#3

        /// <summary>
        /// 执行Message的Get()方法
        /// </summary>
        /// <param name="abstractElement">抽象元素</param>
        /// <returns></returns>
        public override string Visit(AbstractElement abstractElement)
        {
            Message m = abstractElement as Message;

            return(m.Get()[0].Message + " " + m.Get()[0].PublishTime.ToString());
        }