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Subject: Re: [sca-policy] Wording for Issue 87
- From: Raymond Feng <rfeng@us.ibm.com>
- To: ashok.malhotra@oracle.com
- Date: Tue, 29 Sep 2009 16:12:28 -0600
Hi,
I like the proposal. I have a question
on the following statement from the draft:
With this design principle in mind,
an XPath expression that is the value of an @appliesTo attribute designates
what a policySet applies to. Note that the XPath expression will always
be evaluated against the Domain Composite Infoset as described in Appendix
Awithin the context of an attachment considering elements where binding
instances or implementations are allowed to be present. The expression
is evaluated against the parent element of any binding or implementation
element. The policySet will apply to any child binding or implementation
elements returned from the expression. So, for example, appliesTo=”//binding.ws”
will match any web service binding. If appliesTo=”//binding.ws[@impl=’axis’]”
then the policySet would apply only to web service bindings that have an
@impl attribute with a value of ‘axis’.
Would the policySet apply to the ancestor
elements of the selected binding/implementation elements?
Thanks,
Raymond
Raymond Feng
Senior Software Engineer, Apache Tuscany PMC Member & Committer
IBM Bay Area Lab, 1001 E Hillsdale Blvd, Suite 400,
Foster City, CA 94404, USA
E-mail: rfeng@us.ibm.com,
Notes: Raymond Feng/Burlingame/IBM, Tel: 650-645-8117,
T/L: 367-8117
Apache Tuscany: http://tuscany.apache.org
Co-author of Tuscany In Action: http://www.manning.com/laws
ashok malhotra <ashok.malhotra@oracle.com> wrote
on 09/29/2009 02:13:46 PM:
> From:
>
> ashok malhotra <ashok.malhotra@oracle.com>
>
> To:
>
> OASIS Policy <sca-policy@lists.oasis-open.org>
>
> Date:
>
> 09/29/2009 02:16 PM
>
> Subject:
>
> [sca-policy] Wording for Issue 87
>
> The discussion on Issue 87 on the last telcon moved to consider the
> suggestion that the XPath value
> of the @appliesTo attribute of policySets be evaluated against the
> Domain Composite Infoset.
> It was argued that this was simpler than resetting the context item
to
> the parent of the binding/implementation
> everytime the XPath needed to be evaluated.
>
> Accordingly, I have prepared wording that incorporates this change.
In
> doing this I have assumed that
> the resolution to issue 107 will result in an Appendix that spells
out
> how the Infoset is constructed.
>
> The suggested changes are attached.
> --
> All the best, Ashok
> [attachment "Issue 87 Wording.doc" deleted by Raymond Feng/
> Burlingame/IBM]
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