asp.net-mvc – 在哪里提出持久性依赖的域事件 – 服务,存储库或UI？

您的网域：@H_607_3@

public class Order
{
    public void ChangeStatus(orderstatus status)
    {
        // change status
        this.Status = status;
        DomainEvent.Raise(new orderstatusChanged { OrderId = Id,Status = status });
    }

    public void AddNote(String notE)
    {
        // add note
        this.Notes.Add(notE)
        DomainEvent.Raise(new NoteCreatedForOrder { OrderId = Id,Note = note });
    }
}

您的服务：@H_607_3@

public class orderservice
{
    public void SubmitOrder(int orderId,orderstatus status,String notE)
    {
        orderstatusChanged orderstatusChanged = null;
        NoteCreatedForOrder noteCreatedForOrder = null;

        DomainEvent.Register<orderstatusChanged>(x => orderstatusChanged = X);
        DomainEvent.Register<NoteCreatedForOrder>(x => noteCreatedForOrder = X);

        using (var uow = UnitOfWork.Start())
        {
            var order = orderRepository.Load(orderId);
            order.ChangeStatus(status);
            order.AddNote(notE);
            uow.Commit(); // commit to persist order
        }

        if (orderstatusChanged != null)
        {
            // something like this
            serviceBus.Publish(orderstatusChanged);
        }

        if (noteCreatedForOrder!= null)
        {
            // something like this
            serviceBus.Publish(noteCreatedForOrder);
        }
    }
}