[news.eclipse.tools.emf] Re: EMF newbie question

[Ed Merks <Ed.Merks@xxxxxxxxx>]

Mauro,

Comments below.

Mauro Condarelli wrote:
> Hi Everybody,
> I am a complete newbie to EMF and thus, please, bear with me :)
>
> I am trying to setup my first (after tutorials) real EMF project.
>
> I am using annotated java to define my model (as per tutorials, again).
>
> My current problem is: how to fill-up references (contained="false") 
> as references to a "real" container (something similar to enums, but 
> with a List of real classes).
>
> I have a series of Interfaces:
> IProduct: name, description, price, ...
> IOrder: reference to IProduct, quantity, deliveryDate, ...
> ICustomer: name, address, ..., List<IOrder>
> IFirm: name, address, ..., List<IProduct>, List<ICustomer>
>
> I am simplifying, of course.
> My problem is the "reference to IProduct" should not be owned by 
> IOrder, but a reference to some IProduct already defined and owned by 
> IFirm.
> This would be a FOREIGN KEY in SQL.
> I would expect an editor showing a (dynamically filled) list (or 
> combo) but I have been unable to achieve this.
Unless you add containment="true" you should end up with a 
non-containment reference.  Note that you can always create an Ecore 
model and generate the code to see what @model annotations come out for 
that.  I'd also suggest you look at the nice EMF refcard. 
http://refcardz.dzone.com/refcardz/essential-emf
> Can someone point me in the right direction?
> Thanks in advance.