using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            var t1 = new Type1();
            var t2 = new Type2();
            var t3 = new Type3();
            var handlers = new Handlers();

            HandlersStorage.AddHandler<Type1>(handlers.HaldlerOfType1);
            HandlersStorage.AddHandler<Type2>(handlers.HaldlerOfType2);
            HandlersStorage.AddHandler<Type3>((object o) => { Console.WriteLine("Haldler of Type3 is lambda"); });

            var a1 = HandlersStorage.GetHandler(t1.GetType());
            a1(t1);

            var a2 = HandlersStorage.GetHandler(t2.GetType());
            a2(t2);

            var a3 = HandlersStorage.GetHandler(t3.GetType());
            a3(t3);

            Console.ReadKey();
        }
    }

    public static class HandlersStorage
    {
        private static Dictionary<Type, Action<object>> _handlers = new Dictionary<Type, Action<object>>();

        public static void AddHandler<T>(Action<object> action)
        {
            _handlers.Add(typeof(T),action);
        }

        public static Action<object> GetHandler(Type type)
        {
            return _handlers[type];
        }
    }

    public class Handlers
    {
        public void HaldlerOfType1(object o)
        {
            Console.WriteLine("HaldlerOfType1");
        }

        public void HaldlerOfType2(object o)
        {
            Console.WriteLine("HaldlerOfType2");
        }
    } 

    
    class Type1
    {

    }

    class Type2
    {

    }

    class Type3
    {

    }
}