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In such cases I draw up a "something similar" pattern, read what the
code generator produces for it and hand-craft a guard condition after
pondering over the generated code for a while.<br>
<br>
Zero-cardinality on simple associations works well for me.<br>
On the first glance, this pattern seems doable for me (except that I
don't understand what you mean by "unique connections").<br>
<br>
<br>
Tivadar<br>
<br>
<br>
Matthew J. Emerson wrote:
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<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">I need to be able to
specify a complex pattern, and have it
work correctly in both the GRE and the Code Generator versions of my
transformation. Here’s the pattern I need to bind:<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
<p class="MsoNormal" style="text-indent: 0.5in;"><font face="Arial"
size="2"><span style="font-size: 10pt; font-family: Arial;">One object
that is the source of two
or more unique connections, each to different destination objects,
where two or
more of the destination objects do not have a simple association with a
flag
object.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">Once I have matched this
pattern, I need to create a new
simple association between any one of the destination objects and a
newly-created flag object.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">I think that the fact
that negative bindings do not work
makes this impossible to do. The usual work-around of using test-cases
instead
of negative patterns will not work here because I need flag one and
only one
destination object after I match the pattern.<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">So, if anyone managed to
follow that, can you offer any help?<o:p></o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;"><o:p> </o:p></span></font></p>
<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size: 10pt; font-family: Arial;">--Matt<o:p></o:p></span></font></p>
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