CSharp: Prototype Pattern in donet 6

 

    /// <summary>
    /// 原型模式  Prototype Pattern
    /// </summary>
    public interface IColorPrototype
    {
        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        IColorPrototype Clone();
    }


   /// <summary>
    /// 原型模式  Prototype Pattern
    /// </summary>
    public class Color : IColorPrototype
    {

        /// <summary>
        /// 
        /// </summary>
        /// <param name="red"></param>
        /// <param name="green"></param>
        /// <param name="blue"></param>
        public Color(int red, int green, int blue)
        {
            Red = red;
            Green = green;
            Blue = blue;
        }
        /// <summary>
        /// 
        /// </summary>
        public int Red { get; set; }
        /// <summary>
        /// 
        /// </summary>
        public int Green { get; set; }
        /// <summary>
        /// 
        /// </summary>
        public int Blue { get; set; }
        /// <summary>
        /// 
        /// </summary>
        /// <param name="red"></param>
        /// <param name="green"></param>
        /// <param name="blue"></param>
        public void Customize(int red, int green, int blue)
        {
            Red = red;
            Green = green;
            Blue = blue;
        }
        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        public IColorPrototype Clone()
        {
            Console.WriteLine($"\n克隆的颜色 RGB: {Red},{Green},{Blue}");
            return (MemberwiseClone() as IColorPrototype)!;
        }
    }


    /// <summary>
    /// 原型模式  Prototype Pattern
    /// </summary>
    public class ColorRegistry
    {


        /// <summary>
        /// 
        /// </summary>
        private readonly Dictionary<string, IColorPrototype> _colors = new();
        /// <summary>
        /// 
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public IColorPrototype this[string key]
        {
            get => _colors[key];
            set => _colors[key] = value;
        }
        /// <summary>
        /// 
        /// </summary>
        public void List()
        {
            Console.WriteLine("注册表中可用的颜色...");

            foreach (var color in _colors)
            {
                Console.WriteLine($"名称: {color.Key}");
            }
        }
    }

    /// <summary>
    ////原型模式  Prototype Pattern
    /// </summary>
    public static class ColorRegistryExecutor
    {
        public static void Execute()
        {
            ConsoleExtension.WriteSeparator("颜色注册示例 ");

            // Initialize registry with standard colors.
            var registry = new ColorRegistry
            {
                ["red"] = new Color(255, 0, 0),
                ["green"] = new Color(0, 255, 0),
                ["blue"] = new Color(0, 0, 255)
            };
            registry.List();

            // Clone red color and store it in the registry.
            var clonedColor = (registry["red"].Clone() as Color)!;
            clonedColor.Customize(clonedColor.Red, clonedColor.Green, 33);
            registry["custom"] = clonedColor;
            registry.List();

            // Clone custom color without storing it in the registry.
            _ = (registry["custom"].Clone() as Color)!;
            registry.List();
        }
    }

　　

调用：

Geovin.Du.DuPrototype.ColorRegistry.ColorRegistryExecutor.Execute();

　　

颜色注册示例
--------------------------------------------------
注册表中可用的颜色...
名称: red
名称: green
名称: blue

克隆的颜色 RGB: 255,0,0
注册表中可用的颜色...
名称: red
名称: green
名称: blue
名称: custom

克隆的颜色 RGB: 255,0,33
注册表中可用的颜色...
名称: red
名称: green
名称: blue
名称: custom

　　

 

 

 

 

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