//Student server application , that just prints which student server

//a student object is added to

//Created by : Wavhudi Tshithivhe 1160095

​

using System;

using Microsoft.Practices.Unity;

​

namespace StudentsUserInterface

{

    //      Studet UI layer     

    public class Program

    {

        public static void Main()

        {   

            //create a unity framework container for DI 

            IUnityContainer objContainer = new UnityContainer();

            //register objects with dependncies (This code must be in the startup 

            //not nesessarly user interface code)

            objContainer.RegisterType<Student>();

            objContainer.RegisterType<StudentServer, WitsServer>();

            objContainer.RegisterType<StudentServer, UjServer>();

            //you can demand objects using resolve methods

            Student obj =objContainer.Resolve<Student>();

            obj.StudentName = "Vhudie";

            obj.Add();

        }

    }

​

    // Logic layer

    public class Student

    {

        private StudentServer myserver;

        public string StudentName{get;set;}

        public Student(StudentServer server)

        { 

            myserver = server;

        }

        public void Add()

        {

            myserver.Add();

        }

    }

    // Data layer 

    //general student server

    public interface StudentServer

    {

        void Add();

    }

    public class WitsServer : StudentServer

    {

        public void Add()

        {

            Console.WriteLine("Added to wits");

        }

    }

//class server created to show you can have different server objects.

        public class UjServer : StudentServer

    {

        public void Add()

        {

            Console.WriteLine("Added to UJ");

        }

    }

​

}