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what is 'Subsetted Property' good for? [message #795513]

Fri, 10 February 2012 14:59

B Simpson

Messages: 25
Registered: January 2012

Junior Member

hi,
can't figure that one out. :/ how to use it etc.
i suppose it is meant for defining (whether normal or recursive) of inherited properties of class?
thanks. bye

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Re: what is 'Subsetted Property' good for? [message #795619 is a reply to message #795513]

Fri, 10 February 2012 17:35

Ed Willink

Messages: 7655
Registered: July 2009

Senior Member

Hi

An example from UML may make it clear.

Element::ownedElement is useful when you want to navigate composition trees.

Package::ownedType is useful when you want to knwo about package components

ownedType is a subset of ownedElement. You get multiple views at
non-trivial implementation cost. Basic UML discards the subsets.

Regards

Ed Willink

On 10/02/2012 14:59, B Simpson wrote:
> hi,
> can't figure that one out. :/ how to use it etc.
> i suppose it is meant for defining (whether normal or recursive) of
> inherited properties of class?
> thanks. bye

Report message to a moderator

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