We may end up supporting that for another reason - handling
horizontal inheritance.
Andrus
On Jul 30, 2007, at 10:34 AM, Adrian Wiesmann wrote:
> Hello list
>
> I am having a question relating unbound ObjEntities. Probably this was
> already discussed before but I was not able to find much in the
> archives,
> so here goes my question.
>
> Is it possible to extend Cayenne in a manner so that I could model an
> ObjEntity which is not bound to a DBEntity? One of the usage
> scenarios is
> when I have a query frame where the user can enter some values
> which are
> then interpreted by the business logic (search frame to query a
> user table
> as example). The benefit of using unbound tables is that the UI
> already
> has a renderer which knows how to render/display an ObjEntity (if
> there is
> a corresponding DataView) and all the data binding to the Swing
> components
> would be available as well. That would be a huge time saver for the
> developer.
>
> Another scenario is when I have a report engine which knows how to
> render
> ObjEntities with DataViews. I could then create a dynamic ObjEntity
> which
> is not bound to a DB Entity but filled by my own code and which is
> then
> handed over to the report engine.
>
> Was such an extension discussed before? What are your thoughts on
> this?
>
> Regards,
> Adrian
>
>
>
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