Re: UML-ish question


<jhinchey@xxxxxxxxxx> wrote in message news:1143042024.687189.59020@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
I came across something on a UML class diagram today that I have never
seen before and I'm wondering about the validity of it. The diagram
has a class which has an association with itself (a line coming out of
the class, making 2 90 degree turns and going back into itself).

Is that legal UML? If so, what does it mean? I think they are trying
to show an association between two instances of the class, which I
don't think belongs on the class diagram.

Any viewpoints?

Most UML books I've read emphasize that UML is a tool for communication. If breaking "the rules of UML" facilitates communications, do it. The goal here is to communicate, not to use UML for the sake of using UML.

- Oliver

.

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