Re: composite elements

[Ronald Bourret <rpbourret@rpbourret.com>]

I don't know beans about workflows, but can't you just do something
like:

   <!ELEMENT Activity (SingleActivity | Activity+)>
   <!ELEMENT SingleActivity (content model describing a single
activity)>

-- Ron

Pete McKinstry wrote:
> 
> I'm working on a workflow engine, and i would like to
> model each workflow as an xml document, but i'm having
> trouble figuring out how to support composite
> elements. (GOF like) I'm thinking of acitivites that
> are themselves a logical group of activities. The only
> thing I can come up w/ is using a sub-activity
> element, but that would only allow a static depth to
> the model.
> 
> Does anyone have any ideas for me? Perhaps I'm
> thinking about this incorrectly? Help is appreciated
> in advance.
> 
> -pgm
> 
> =====
> -------------------------------
> Pete McKinstry
> email: pete_mckinstry@yahoo.com
> cell: 415.717.3748
> -------------------------------
> 
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-- 
Ronald Bourret
Programming, Writing, and Training
XML, Databases, and Schemas
http://www.rpbourret.com