Grouper Users - Open Discussion List

["GW Brown, Information Systems and Computing" <>]

--On 12 February 2009 14:53 -0500 Chris Hyzer 
<>
 wrote:

> Things with the subject API are under your control... :)
> Basically it is all interfaces, and there are built-ins, but you can
> customize.
>
> So in your subjects.xml file, you specify the sources, and the
> implementations of the subject api interfaces (probably defaults), and in
> those you could return an object that does a lazy load on the getter of
> certain attributes or whatever, or caches information, etc...
>
> If you need more help, let me know what your subject source is (rdbms or
> ldap), and what exactly you want to cache and what you don't want to
> cache.
>
> I believe Gary has created a different source adapter which does more
> caching (caches everything?  I don't remember)...
I have experimented with caching ~30000 subjects - all staff and students 
at Bristol. The subject 'datasource' is refreshed nightly and it only takes 
2-3 seconds to load all the subjects (JDBC query). I think the performance 
gain is worth the extra memory use.
> Regards,
> Chris
>
>
> > -----Original Message-----
> > From: Martin van Es 
> > [mailto:]
> > Sent: Thursday, February 12, 2009 2:28 PM
> > To: Chris Hyzer
> > Cc: Grouper Users Mailing List
> > Subject: Re: [grouper-users] Subject external attributes retrieval
> >
> > Hi Chris,
> >
> > On Thursday 12 February 2009 16:04:42 Chris Hyzer wrote:
> > > OK, here is how it works:
> > >
> > > 1. The default attribute names (comma separated) sent back for each
> > request
> > > are specified in grouper-ws.properties under the key:
> >
> > So do I understand correctly that Grouper will return any arbitrary
> > foreign
> > attribute given that it's configured under
> > ws.subject.result.attribute.names
> > (and includeSubjectDetail=true)? Will Grouper allways query the source
> > for
> > these attributes before returning the result, or may these attributes
> > be
> > cached at some point in time?
> >
> > Grtz
> > Martin



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GW Brown, Information Systems and Computing