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




From: Tim Moses <tim.moses@entrust.com>
To: "'Polar Humenn'" <polar@syr.edu>, "'Seth Proctor'" <Seth.Proctor@Sun.COM>
Date: Mon, 28 Jun 2004 10:50:43 -0400






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

urn:oasis:names:tc:xacml:1.0:function:present

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.