using System;

using NServiceBus;

​

namespace Purchasing

{

    //This is the client that would send the initial command, initiating the message flow

    public class Program

    {

        public IBus Bus { get; set; }

        public static void Main()

        {

            //Bus.Send("Purchasing.Backend", new Purchasing.Commands.SavePurchaseOrder { OrderId = 123 });

            Console.WriteLine("Is there any way to configure NServiceBus so that Quoting.OrderSavedHandler " + 

                              "does not have a dependency on Purchasing.Events.dll");

        }

    }

​

    namespace Commands

    {

        //Compiled into Purchasing.Commands.dll

        public class SavePurchaseOrder

        {

            public int OrderId { get; set; }

            /* The other properties needed to save the order */     

        }

    }

    namespace Events

    {

        //Compiled into Purchasing.Events.dll

        public interface IOrderSaved    

        {

            int OrderId { get; set; }

        }

    }

    namespace Backend

    {

        //Compiled into Purchasing.Backend.dll,

        //  References Purchasing.Commands.dll, Purchasing.Events.dll   

        public class SubmitOrderHandler : IHandleMessages<Purchasing.Commands.SavePurchaseOrder>    

        {

            public NServiceBus.IBus Bus { get; set; }

​

            public void Handle(Purchasing.Commands.SavePurchaseOrder message)

            {

                Console.WriteLine("Saving PO: " + message.OrderId.ToString());

                //Tell anyone who cares that the order saved

                Bus.Publish<Purchasing.Events.IOrderSaved>(evt => { evt.OrderId = message.OrderId; });

            }

        }

    }

}

​

namespace Quoting

{ 

    namespace Backend

    {

        //Compiled into Quoting.Backend.dll

        //  References Purchasing.Events.dll

        public class OrderSavedHandler : IHandleMessages<Purchasing.Events.IOrderSaved>

        {

            //Quoting cares when the order is saved, subscribes to the event

            public void Handle(Purchasing.Events.IOrderSaved message)

            {

                Console.WriteLine("Order Saved.  Do stuff to the quotes system to respond");

            }

        }

    }

}