Re: Simple UML question

From: Ilja Preuß (it_at_iljapreuss.de)
Date: 10/27/04


Date: Wed, 27 Oct 2004 22:04:31 +0200

Jeffrey Spoon wrote:
> Hello I have a fairly simple question about UML sequence diagrams.
> Since you usually place your objects left to right, in that the right
> object is receiving the message

That's convenient to do, but not a requirement, and not always possible.

> if object A sends a message to
> object B then Object A sends a message to object C, do you simply
> place another Object A on the right of the diagram, even though you
> already have it earlier on?

No, you just let the first Object A send the message.

> It may be an odd question it's just that
> I haven't seen it done so far yet I can't figure out how else to
> organise the diagram.

Take a look at figure 4 at
http://www.agilemodeling.com/artifacts/sequenceDiagram.htm

Cheers, Ilja



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