[Simple] Questions on draft-ietf-simple-filter-format-05

[Goix Walter <Walter.Goix at TILAB.COM>]

Hi,

I have a couple of questions regarding the handling on <exclude> filters in an Event Server:

- when only an <exclude> filter is present (no <include>), does the server need to provide the *whole* document but the excluded part, or is it implicit? In other words, do the server need an <include> filter as well to consider the whole document or part of it before to apply the <exclude> filter?

- when the <exclude> filter asks for removing a mandatory element, which is nesting elements from another namespaces, what would be the result of the exclusion process: is it the full content of the mandatory element, or only an 'empty' (or minimally valid) element. Below is an example:

1. <foo> is a mandatory element within <root> with an <any> only, i.e. it does not have any attribute nor mandate any sub-element
2. document in the server is:
<root>
<foo>
<o:bar>something</o:bar>
</foo>
</root>

3. filter contains
<exclude>
//root/foo
</exclude>

4. Result of filtering process is
(a)
<root>
<foo></foo>
</root>

or (b)
<root>
<foo>
<o:bar>something</o:bar>
</foo>
</root>   
?

Thanks for the clarification
Walter


Gruppo Telecom Italia - Direzione e coordinamento di Telecom Italia S.p.A.

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