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Subject: RE: [xacml] urn:oasis:names:tc:xacml:1.0:function:present

Colleagues - If we are to retain the function "present", how about this as a


This function SHALL take one argument of data-type
"http://www.w3.org/2001/XMLSchema#anyURI"; and SHALL return a
"http://www.w3.org/2001/XMLSchema#boolean";.  The return value SHALL be
"True" if there exists anywhere in the request context an attribute with an
attributeId attribute whose value is the same as that of the function
argument, according to the
urn:oasis:names:tc:xacml:1.0:function:anyURI-equal function.  Otherwise, it
SHALL return "False".

What do you think?

All the best.  Tim.

-----Original Message-----
From: Polar Humenn [mailto:polar@syr.edu] 
Sent: Thursday, June 24, 2004 8:34 AM
To: Seth Proctor
Cc: Tim Moses; 'XACML'
Subject: Re: [xacml] urn:oasis:names:tc:xacml:1.0:function:present

I don't think we trashed that function. Did we? What was confusing about it?
I don't recall. -Polar

(won't make the confernce call today. I'm a the OMG meeting.


On Tue, 22 Jun 2004, Seth Proctor wrote:

> On Tue, 2004-06-22 at 16:18, Tim Moses wrote:
> > Colleagues - We list the function 
> > "urn:oasis:names:tc:xacml:1.0:function:present" as "mandatory" in 
> > the conformance section.  But, I can't see a definition for it.  Can 
> > anyone explain?  All the best.  Tim.
> Late into the 1.0 work there was a present function for determining if 
> a value was present, but the semantics got too confused so we trashed 
> it and instead created the MustBePresent attribute on Designators and 
> Selectors. I suspect it's just a mistake that the attribute was left 
> in. I suggest it should be removed.
> seth
> To unsubscribe from this mailing list (and be removed from the roster 
> of the OASIS TC), go to 
> http://www.oasis-open.org/apps/org/workgroup/xacml/members/leave_workg
> roup.php.

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