[mdr-users] Re: ordering both ends of a many-to-many association

Martin, thanks for the quick response.  I logged an enhancement request
for the MOF rule to be enforced somewhere by MDR; this might save 
someone unwise in MOF lore from shooting themselves in the foot in the
future.

JVS

> -------- Forwarded Message --------
> > From: [email protected]
> > To: [email protected]
> > Subject: [Issue 68696] New - MOF validation should prevent orderings
> > on both ends of association
> > Date: 14 Nov 2005 22:06:27 -0000
> > 
> > http://www.netbeans.org/issues/show_bug.cgi?id=68696
> >                   Issue #:|68696
> >                   Summary:|MOF validation should prevent orderings on both ends
> >                           |of association
> >                   product:|
> >                 Component:|mdr
> >                   Version:|current
> >                  Platform:|All
> >                       URL:|
> >                OS/Version:|All
> >                    Status:|NEW
> >         Status whiteboard:|
> >                  Keywords:|
> >                Resolution:|
> >                Issue type:|ENHANCEMENT
> >                  Priority:|P3
> >              Subcomponent:|code
> >               Assigned to:|issues@mdr
> >               Reported by:|jsichi
> > 
> > 
> > 
> > 
> > 
> > 
> > ------- Additional comments from [email protected] Mon Nov 14 22:06:26 +0000 2005 -------
> > The discussion below from the mdr-users mailing list describes the issue.  Since
> > MOF does not allow this construct, it would be nice if some part of MDR would
> > run validation and reject models violating this MOF rule.
> > 
> > Note:  solution to the MOF limitation is to use an intersection class instead of
> > a many-to-many association.
> > 
> > ----
> > 
> > Date: Mon, 14 Nov 2005 19:02:17 +0100
> > From: Martin Matula <[email protected]>
> > Content-type: text/plain; charset=ISO-8859-1; format=flowed
> > Subject: [mdr-users] ordering both ends of a many-to-many association
> > 
> > 
> > Hi John,
> > 
> > John V. Sichi wrote:
> > > Is this supposed to work?  I have a many-to-many association named
> > > ExecStreamDataFlow.  The two ends are called Input and Consumer, and
> > > both reference the same class ExecStream.  This association is used to
> > > represent the edges of a directed graph of dataflow stream vertices.
> > 
> > No, setting both ends as ordered is illegal in MOF according to MOF 
> > constraints.
> > Regards,
> > Martin
>