using System;

namespace TestCSharp
{
    class Program
    {
        static void Main(string[] args)
        {
            Worker worker = new Soldier();
            Command command = new Fight(worker);
            Officer officer = new General(command); 
            officer.Execute(); 

            Console.ReadKey();
        }

        abstract class Command
        {
            Worker m_Worker;

            public Command(Worker worker)
            {
                m_Worker = worker;
            }

            public virtual void Execute()
            {
                m_Worker.Execute(this);
            }
        }

        abstract class Worker
        {
            public virtual void Execute(Command command)
            {

            }
        }

        abstract class Officer
        {
            Command m_Command;
            public Officer(Command command)
            {
                m_Command = command;
            }

            public virtual void Execute()
            {
                m_Command.Execute();
            }
        }

        class Fight : Command
        {
            public Fight(Worker worker) : base(worker)
            {

            }
        }

        class General : Officer
        {
            public General(Command command)
                : base(command)
            {

            }
        }

        class Soldier : Worker
        {
            public override void Execute(Command command)
            {
                Console.WriteLine("Soldier Execute Command: " + command.GetType());
            }
        }
    }
}