using System;

using System.Collections.Generic;

​

public class Program

{

    public static void Main(string[] args)

    {

        var notification = new Notification(new List<IProcess>

        {

        new CloudNotifier(), new OnPremiseProvider(), new GalaxyNotifier()}

​

        );

        notification.SendAll();

        Console.ReadLine();

    }

}

​

public class Notification

{

    private readonly IEnumerable<IProcess> _providerList;

    public Notification(IEnumerable<IProcess> providerList)

    {

        _providerList = providerList;

    }

​

    public void SendAll()

    {

        foreach (var notificationProvider in _providerList)

        {

            notificationProvider.Process();

        }

    }

}

​

public interface IProcess

{

    void Process();

}

​

public class OnPremiseProvider : IProcess

{

    public void Process()

    {

        //This should be used more than just a message or notification

        //Assuming there are few business rules for this particular provider

        //proces those rules and change code accordingly

        Console.WriteLine("You're getting these notifications because you opted for OnPremise Notifications....");

    }

}

​

public class CloudNotifier : IProcess

{

    public void Process()

    {

        //This should be used more than just a message or notification

        //Assuming there are few business rules for this particular provider

        //proces those rules and change code accordingly

        Console.WriteLine("You're getting these notifications because you opted for Cloud Notifications....");

    }

}

​

public class GalaxyNotifier : IProcess

{

    public void Process()

    {

        //This should be used more than just a message or notification

        //Assuming there are few business rules for this particular provider

        //proces those rules and change code accordingly

        Console.WriteLine("You're getting these notifications because you opted for Galaxy Notifications....");

    }

}