[great-users] negative application condition

[Aditya Agrawal]

Hi Arda,

 

In your pattern specification you can change the “pattern cardinality”
attribute even on the simple association between B and C. By simple
association I mean an association without a class. 

 

You can click in the line, change the attribute called “pattern cardinality
to ‘0’ or ‘-1’ “ 

 

I hope this helps.

 

Thanks,

Adi

 

  _____  

From: great-users-bounces at list.isis.vanderbilt.edu
[mailto:great-users-bounces at list.isis.vanderbilt.edu] On Behalf Of Arda
Göknil
Sent: Thursday, February 02, 2006 9:15 AM
To: A list for GReAT users to share bugs, fixes and ideas
Subject: RE: [great-users] negative application condition

 

I could not write a good example. I mean, the meta association. I imagine
the A, B and C classes are the meta classes and the association between them
are the meta association, there is not a meta class named Association. The
setting the pattern cardinality to "-1" is true if there is a Association
entity in the meta class.

Aditya Agrawal <aditya.agrawal at gmail.com> wrote: 

Hi Arda,

 

As far as I remember you can set the pattern cardinality on the association
between B and C to be “-1” instead of setting it on B. 

 

I don’t know if things have changed in the recent past but earlier the value
for negative condition used to be “0” not “-1”.

 

Could Attila or Feng please comment to this?

 

Thanks,

Adi

 

  _____  

From: great-users-bounces at list.isis.vanderbilt.edu
[mailto:great-users-bounces at list.isis.vanderbilt.edu] On Behalf Of Arda
Göknil
Sent: Thursday, February 02, 2006 5:14 AM
To: great-users at list.isis.vanderbilt.edu
Subject: [great-users] negative application condition

 

Hi,

I have a question about the negative application condition in GREAT. In the
user manual, it is said that if you set the pattern cardinality to "-1", you
negate that element. but I want to negate the element for only one
association.

For example, in my pattern I have three classes: classA, classB and classC.
ClassA has a relation with ClassB and ClassC but I do not want ClassB to
have a relation with ClassC. I want to negate ClassC for the association
between ClassB and ClassC. But in my pattern if I set the pattern
cardinality to -1, I can not show the whole pattern in one rule. How is it
possible?

Regards,

 

Arda Goknil

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