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From "Alex Karasulu" <akaras...@apache.org>
Subject Re: [LDAP] Request for ASN.1 REAL conversion to LDAP Syntax and MatchingRules
Date Sun, 22 Jul 2007 19:10:57 GMT
No problem - I don't see float's floating around much these days.  We
certainly do not
need it for the configuration beans.

Alex

On 7/22/07, Emmanuel Lecharny <elecharny@gmail.com> wrote:
>
> If there is no urgency, I think we just need a JIRA as a reminder...
>
> Writing a SC for float could be a PITA, so if we can differ it for a
> while, that would be perfect.
>
> On 7/22/07, Alex Karasulu <akarasulu@apache.org> wrote:
> > Hi all,
> >
> > I've been working on some prototypes of a mapping tool from Java to LDAP
> and
> > back. The only really
> > sticky point I have for mapping simple primitive properties lies in the
> area
> > of representing real values
> > in the directory.  There is no real syntax in LDAP.  Nor are there
> > matchingRules for attributes with this
> > syntax.  ASN.1 defines an encoding for REAL data types here:
> >
> >
> > http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf
> >
> > I'm going to move forward and just ignore Java floats and doubles for
> now.
> > However I would really like
> > to devise a simple encoding for the base, and mantissa of these entities
> to
> > be able to track them without
> > rounding errors due to their persistence in the directory.  There's been
> a
> > lot of conversation about this
> > topic but no one has actually stepped up and done it.  Here's some links
> to
> > these convos:
> >
> >
> > http://www.openldap.org/lists/openldap-bugs/200103/msg00065.html
> >
> >  Does anyone think they can take a stab at writing an LDAP syntax
> > description for REAL numbers
> > and providing the required SyntaxChecker and matchingRules for it as
> well?
> >
> > Thanks,
> > Alex
> >
> >
>
>
> --
> Regards,
> Cordialement,
> Emmanuel L├ęcharny
> www.iktek.com
>

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