[Springframework-developer] Re: [Springframework-user] JDOTemplate and in-memory queries

[Juergen H. <ju...@in...>]

Hi Marc,

I wouldn't be opposed to add in-memory queries explictly, although there's
of course always the option to implement a whole sequence of JDO operations
in a JdoCallback, operating on the passed-in PersistenceManager. I can't
tell how common the use of in-memory queries is...

You hit a nail there :-) The JDO section in the reference docs is overdue. A
TopLink section needs to be added as well. We simply haven't found the time
to address those yet. You are of course very welcome to contribute!

I guess we should officially start the JDO doc ASAP, with release 1.2.2 as
target for a first version. Colin/Rob, what are your thoughts on this? Could
we maybe start with collecting some stuff from the wiki?

Juergen


-----Original Message-----
From: spr...@li...
[mailto:spr...@li...]On Behalf Of
Marc Logemann
Sent: Saturday, May 28, 2005 11:50 AM
To: spr...@li...
Subject: [Springframework-user] JDOTemplate and in-memory queries


Hi,

would it make sense to add in-memory queries to JDOTemplate. So instead
of doing:

Collection col = // some results of former DB operation

Query q2 = pm.newQuery(My.class, col, "attr == searchstr");
Collection col2 = (Collection) q2.execute();

This could be done by enhancing JDOTemplate:

col = template.findInCollection(My.class, "attr == searchstr", col)

The only problem i see is that you need a lot of variants of
findInCollection() as seen in find().

Comments?

BTW is there any reason that the JDO section is still blank in the
Spring docs? Or am i the only one using JDO with Spring ;-) I would join
efforts if something is underway.

--
regards
Marc Logemann
http://www.logemann.org
http://www.logentis.de


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