[gme-users] Re: Constraining connections to 0..1

Gabriele Trombetti gabtromb at isis.vanderbilt.edu
Wed May 5 14:25:00 CDT 2004


Gabriele Trombetti wrote:

> Hi all,
> there is a thing I don't understand in GME. We have a metamodel where 
> there are components and ports. There are some ports that can connect 
> only to at most one other port. So we have put the cardinality of such 
> connections to 0..1 both before and after the connector dot in the 
> metamodel.
>
> But in the instance models, we still can create connections from one 
> of such source port to *two* other ports, so that *two* separate 
> connections get created from the same source, ending in the two 
> separate destinations. So what is the purpose of the cardinality spec 
> in the metamodel??
>
I forgot to mention that I'm using GME 3.10.13 . I don't know if this 
"bug" (?) has been solved in later versions...

> Thanks in advance
> Gabriele
>



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