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| Re: special questions to qualified associations [message #697069 is a reply to message #696985] |
Fri, 15 July 2011 13:00   |
 Ed Willink
Messages: 7655
Registered: July 2009 |
Senior Member |
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Hi
Your questions are very detailed and difficult to follow because errors
in your English introduces ambiguities.
I think you should study the UML specification to obtain an accurate
answer yourself, rather than rely on someone else' intuition/memory.
Regards
Ed Willink
On 15/07/2011 10:06, stoehm wrote:
> hi
> i have a very special question to qualified associationen
> assuming (again) we have a class book and a class site, now we have a
> qualifier sitenumber for efficient acess from a book to its sites.
> here is what i think, but im not sure if it is rigth:
>
> 1. the cardinality of the qualifier is one, when the qualifier is
> unique. is it bigger one, that means to one qualifier can exists more
> objects?
> 2. if the qualiferproperty is set to non unique, that means to one
> qualifier can exists some objects, which are properly the same
> 3. in case we have more than one qualifier, you can set the
> cardinalities of them in a different way, mabe someone is one another
> is 10 and so one. should they have all the same cardinality. or how
> can i determine if for two or more qualifier exists one object or a
> set of objects?
>
> best regards
> stoehm
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