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From "Ersin Er" <ersin...@gmail.com>
Subject Re: [ApacheDS] extendedSubtreeSpecification
Date Thu, 20 Sep 2007 05:57:43 GMT
Both of the following are valid:

{ specificationFilter or: { item:student, item:faculty } }

{ specificationFilter (&(objectClass=person)(title=engineer)) }

Makes sense?

On 9/20/07, Alex Karasulu <akarasulu@apache.org> wrote:
>
> Can you describe how it is backwards compatible? Sounds to me like the
> syntax is not compatible.
>
> Alex
>
> On 9/20/07, Ersin Er < ersin.er@gmail.com> wrote:
> >
> > Hi,
> >
> > I considered this before and concluded with the most appropriate
> > solution IMO. Current solution is completely backward compatible. The syntax
> > supports both refinements and filters for the specificationFilter component
> > of the subtreeSpecification.
> >
> > I can try to explain more why I did not choose other alternative if you
> > wish.
> >
> >
> > On 9/20/07, Alex Karasulu < akarasulu@apache.org> wrote:
> > >
> > > Ersin,
> > >
> > > I got an interesting idea while thinking about subtrees and
> > > specifications.  As you know we complied
> > > up until recently strictly with the X.500 administrative model with
> > > respect to subtreeSpecifications.  The
> > > changes we added to handle refinements which were filters broke away
> > > from X.500 in many ways.
> > >
> > > I was just thinking that it may be possible to use an
> > > extendedSubtreeSpecification attribute which
> > > extends a subtreeSpecification.  However the only problem with this is
> > > the fact that the attributeType
> > > subtyping another cannot switch the SYNTAX of the AT.  This is what I
> > > always thought but perhaps
> > > I am wrong (I hope) but if I am wrong I think we can leverage AT
> > > extension while remaining compliant.
> > >
> > > Basically we can allow our subentry objectClasses to include
> > > extendedSubtreeSpecifications instead
> > > of just the usual subtreeSpecification.
> > >
> > > WDYT?
> > >
> > > Alex
> > >
> > >
> >
> >
> > --
> > Ersin Er
> > http://www.ersin-er.name
>
>
>


-- 
Ersin Er
http://www.ersin-er.name

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