program.cs

来自「GOF23种设计模式详细例子!附有详细的代码噢!」· CS 代码 · 共 209 行

using System;
using System.Collections.Generic;
using System.Text;

namespace ChainOfRespExample
{
    class Program
    {
        static List<CustomerService> gmTeam = new List<CustomerService>();
        static List<CustomerService> managerTeam = new List<CustomerService>();
        static List<CustomerService> directorTeam = new List<CustomerService>();
        static Random random = new Random();

        static void InitCOR()
        {
            if (managerTeam.Count > 0)
            {
                foreach (CustomerService cs in gmTeam)
                    cs.SetLeader(managerTeam[random.Next(managerTeam.Count)]);
            }
            else
            {
                foreach (CustomerService cs in gmTeam)
                    cs.SetLeader(directorTeam[random.Next(directorTeam.Count)]);
            }
            foreach (CustomerService cs in managerTeam)
                cs.SetLeader(directorTeam[random.Next(directorTeam.Count)]);
            // These configs above depends on business logic.
        }

        static void InitGM()
        {
            for (int i = 1; i <= 9; i++)
            {
                CustomerService gm = new NormalGM("gm" + i);
                gm.SetResponsibleCaseCategory(new int[] { 1, 2 });
                gmTeam.Add(gm);
            }
            for (int i = 1; i <= 2; i++)
            {
                CustomerService manager = new GMManager("manager" + i);
                manager.SetResponsibleCaseCategory(new int[] { 3, 4 });
                managerTeam.Add(manager);
            }
            for (int i = 1; i <=1; i++)
                directorTeam.Add(new GMDirector("director" + i));
            // These configs above should be from database.
        }

        static void Main(string[] args)
        {
            InitGM();
            InitCOR();
            CustomerService gm = gmTeam[random.Next(gmTeam.Count)];
            gm.HandleCase(new Case(1, false));
            Console.WriteLine(Environment.NewLine);
            gm = gmTeam[random.Next(gmTeam.Count)];
            gm.HandleCase(new Case(2, true));
            Console.WriteLine(Environment.NewLine);
            gm = gmTeam[random.Next(gmTeam.Count)];
            gm.HandleCase(new Case(3, false));
            Console.WriteLine(Environment.NewLine);
            gm = gmTeam[random.Next(gmTeam.Count)];
            gm.HandleCase(new Case(4, true));
            Console.WriteLine(Environment.NewLine);
            gm = gmTeam[random.Next(gmTeam.Count)];
            gm.HandleCase(new Case(5, true));
        }
    }

    class Case
    {
        private int caseCategory;

        public int CaseCategory
        {
            get { return caseCategory; }
        }

        private bool importantCase;

        public bool ImportantCase
        {
            get { return importantCase; }
        }

        private string reply;

        public string Reply
        {
            get { return reply ; }
            set { reply = value; }
        }

        public Case(int caseCategory, bool importantCase)
        {
            this.caseCategory = caseCategory;
            this.importantCase = importantCase;
        }
    }

    abstract class CustomerService
    {
        protected CustomerService leader;
        protected List<int> responsibleCaseCategory = new List<int>();
        protected string name;

        public string Name
        {
            get { return name; }
        }

        public CustomerService(string name)
        {
            this.name = name;
        }

        public void SetLeader(CustomerService leader)
        {
            this.leader = leader;
        }

        public abstract void HandleCase(Case gameCase);

        public void SetResponsibleCaseCategory(int[] responsibleCaseCategory)
        {
            foreach (int i in responsibleCaseCategory)
                this.responsibleCaseCategory.Add(i);
        }
    }

    class NormalGM : CustomerService
    {
        public NormalGM(string name) : base(name) { }

        public override void HandleCase(Case gameCase)
        {
            if (responsibleCaseCategory.Contains(gameCase.CaseCategory))
            {
                gameCase.Reply = "OK";
                Console.WriteLine("The case has been replied by " + name);
                if (gameCase.ImportantCase)
                {
                    Console.WriteLine("The reply should be checked.");
                    leader.HandleCase(gameCase);
                }
                else
                    Console.WriteLine("The reply has been sent to player.");
            }
            else if (leader != null)
            {
                Console.WriteLine(string.Format("{0} reports this case to {1}.", name, leader.Name));
                leader.HandleCase(gameCase);
            }
        }
    }

    class GMManager : CustomerService
    {
        public GMManager(string name) : base(name) { }

        public override void HandleCase(Case gameCase)
        {
            if (responsibleCaseCategory.Contains(gameCase.CaseCategory))
            {
                gameCase.Reply = "OK";
                Console.WriteLine("The case has been replied by " + name);
                if (gameCase.ImportantCase)
                {
                    Console.WriteLine("The reply should be checked.");
                    leader.HandleCase(gameCase);
                }
                else
                    Console.WriteLine("The reply has been sent to player.");
            }
            else if (gameCase.Reply != null)
            {
                Console.WriteLine("The case has been checked by " + name);
                Console.WriteLine("The reply has been sent to player.");
            }
            else if (leader != null)
            {
                Console.WriteLine(string.Format("{0} reports this case to {1}.", name, leader.Name));
                leader.HandleCase(gameCase);
            }
        }
    }

    class GMDirector : CustomerService
    {
        public GMDirector(string name) : base(name) { }

        public override void HandleCase(Case gameCase)
        {
            if (gameCase.Reply != null)
            {
                Console.WriteLine("The case has been checked by " + name);
                Console.WriteLine("The reply has been sent to player.");
            }
            else
            {
                gameCase.Reply = "OK";
                Console.WriteLine("The case has been replied by " + name);
                Console.WriteLine("The reply has been sent to player.");
            }
        }
    }
}