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From "jerome moliere" <jerome.moli...@gmail.com>
Subject Re: Querymetadata
Date Mon, 16 Apr 2007 12:28:11 GMT
2007/4/16, Andrus Adamchik <andrus@objectstyle.org>:
>
> While tweaking QueryMetadata is often useful for custom queries, in
> this case it is not needed. Two most-often used concrete query
> classes, SelectQuery and SQLTemplate, define 'setFetchLimit' method
> and 'setPageSize' method.
>
> More on QueryMetadata... It is intended for Cayenne runtime to make
> sense of an unknown query, not for query configuration. So usually
> each concrete query provides setters for the subset of parameters
> that make sense for this query, and then the query itself generates
> appropriate metadata, hiding many details from the users.



thanks for the reply andrus...
so rather than imaginating factories with named  configuration parameters
(metadata) I'd  put in place  named  queries  carrying the  configuration ?
Why not.....

Thanks once again
Jerome

Andrus
>
> On Apr 16, 2007, at 2:50 PM, jerome moliere wrote:
>
> > Hi all,
> > playing around with cayenne, I'd like to set fetching limits and
> > page sizes
> > for my queries,
> > this seems to be done through QueryMetadata , but this interface
> > does not
> > provide any setter ..
> > So I'd like to know the proper way for forging its own metadata to
> > be passed
> > to the Query to be run...
> > I've seen a BaseMutableQueryMetadata class, but I guess I should
> > not be
> > obliged to make some uggly donwcasts, isn't it ?
> >
> > Is there a way to hook in the Cayenne queries generation mechanism to
> > configure the QueryMetaData to be used with my own settings ?
> > Did'nt see this, but I may be blind -)
> > Thanks for your help
> > cheers
> > jerome
> > --
> > Jerome Moliere - Mentor/J
> > http://romjethoughts.blogspot.com/
> > auteur Eyrolles
>
>


-- 
Jerome Moliere - Mentor/J
http://romjethoughts.blogspot.com/
auteur Eyrolles

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