Re: [xacml] condition reference text (item 7)

["Simon Godik" <simon.godik@overxeer.com>]

Hi Tim,
My thinking was that we can place variable definition close to the rule. I'm
also ok to group all definitions together.
(as you propose)

Simon

----- Original Message -----
From: "Tim Moses" <tim.moses@entrust.com>
To: "'Simon Godik'" <simon.godik@overxeer.com>; <xacml@lists.oasis-open.org>
Sent: Tuesday, March 16, 2004 11:45 AM
Subject: RE: [xacml] condition reference text (item 7)


> Simon - Here is your definition of PolicyType ...
>
> <xs:complexType name="PolicyType">
>  <xs:sequence>
>   <xs:element ref="xacml:Description" minOccurs="0"/>
>   <xs:element ref="xacml:PolicyDefaults" minOccurs="0"/>
>   <xs:element ref="xacml:Target"/>
>   <xs:choice minOccurs="0" maxOccurs="unbounded">
>    <xs:element ref="xacml:VariableDefinition"/>
>    <xs:element ref="xacml:Rule"/>
>   </xs:choice>
>   <xs:element ref="xacml:Obligations" minOccurs="0"/>
>  </xs:sequence>
>  <xs:attribute name="PolicyId" type="xs:anyURI" use="required"/>
>  <xs:attribute name="RuleCombiningAlgId" type="xs:anyURI" use="required"/>
> </xs:complexType>
>
> I had been assuming it would be more like this ...
>
> <xs:complexType name="PolicyType">
>  <xs:sequence>
>   <xs:element ref="xacml:Description" minOccurs="0"/>
>   <xs:element ref="xacml:PolicyDefaults" minOccurs="0"/>
>   <xs:element ref="xacml:Target"/>
>   <xs:element ref="xacml:VariableDefinition" minOccurs="0"
> maxOccurs="unbounded"/>
>   <xs:element ref="xacml:Rule" minOccurs="0" maxOccurs="unbounded"/>
>   <xs:element ref="xacml:Obligations" minOccurs="0"/>
>  </xs:sequence>
>  <xs:attribute name="PolicyId" type="xs:anyURI" use="required"/>
>  <xs:attribute name="RuleCombiningAlgId" type="xs:anyURI" use="required"/>
> </xs:complexType>
>
> The only significance (I think) is that your definition allows
> VariableDefinition elements to be intermixed with Rule elements, whereas
the
> alternative causes all VariableDefinition elements to occur "up front".
> i.e. there can be no forward references.
>
> What do you think?  Is the alternative preferable?  All the best.  Tim.
>
> -----Original Message-----
> From: Simon Godik [mailto:simon.godik@overxeer.com]
> Sent: Wednesday, March 10, 2004 11:10 PM
> To: xacml@lists.oasis-open.org
> Subject: [xacml] condition reference text (item 7)
>
>
> Hi Tim,
> Here is condition reference text and schema. Text is adopted (with some
> additions) from Polar's email
>
> Simon
>