yes, if we resort into using xml configt' really just a matter of providing implmentations that work with the different JPA providers.
What doyou think Derek? On Tue, Nov 25, 2008 at 10:12 PM, Derek Chen-Becker <[EMAIL PROTECTED]>wrote: > That's a very interesting idea. It's been a long time since I've touched > the XML mappings, but JPA definitely supports a newer version of it now. Let > me look into that. > Derek > > > On Tue, Nov 25, 2008 at 2:55 PM, David Pollak < > [EMAIL PROTECTED]> wrote: > >> >> >> On Tue, Nov 25, 2008 at 12:35 PM, Derek Chen-Becker < >> [EMAIL PROTECTED]> wrote: >> >>> I'll look at PropertyAccessor, but I would prefer something that isn't >>> Hibernate specific. >> >> >> I agree that Hiberate specific stuff may be less than optimal. >> >> Is there a way that we can queries the models at start-up time and >> generate XML that does EJB 2.1 style mapping such that we can feed that into >> JPA to do the mapping? >> >> >>> >>> Thanks, >>> >>> Derek >>> >>> >>> On Tue, Nov 25, 2008 at 1:24 PM, Viktor Klang <[EMAIL PROTECTED]>wrote: >>> >>>> Derek, I still humbly suggest writing an implementation of >>>> PropertyAccessor<http://www.hibernate.org/hib_docs/v3/api/org/hibernate/property/PropertyAccessor.html>to >>>> map the values between JPA and the Lift business objects. >>>> >>>> Then, in the Hibernate-mapping or the Configuration object, just define: >>>> >>>> <hibernate-mapping >>>> default-cascade="none" >>>> >>>> default-access="*net.liftweb.jpa.LiftFieldAccessor*" //Or something else >>>> package="bahblah"> >>>> >>>> >>>> Cheers, >>>> V >>>> ---------- Forwarded message ---------- >>>> From: Derek Chen-Becker <[EMAIL PROTECTED]> >>>> Date: Tue, Nov 25, 2008 at 3:54 PM >>>> Subject: [Lift committers] Re: Adding JPA scaffolding to lift? >>>> To: [EMAIL PROTECTED] >>>> >>>> >>>> I thought about it a bit last night. JPA infers entity members from >>>> either fields or getter/setter pairs. In that sense, I could create a JPA >>>> object like >>>> >>>> class MyEntity extends Record[MyEntity] { >>>> object nameField extends StringField(this,100) >>>> >>>> def name = nameField.value >>>> >>>> def name_=(value : String) = nameField.set(value) >>>> } >>>> >>>> But that seems a bit clunky. The other option may be to somehow come up >>>> with a modified Field (JPAField?) trait that can access instance fields, >>>> perhaps via a closure. >>>> >>>> Derek >>>> >>>> >>>> On Tue, Nov 25, 2008 at 2:42 AM, Tim Perrett <[EMAIL PROTECTED]>wrote: >>>> >>>>> >>>>> Hmm yeah - I wonder if record will need to be some kind of DAO for >>>>> JPA? >>>>> >>>>> On Nov 24, 11:42 pm, "Derek Chen-Becker" <[EMAIL PROTECTED]> >>>>> wrote: >>>>> > I'm thinking about it. I think the fact that fields on a record are >>>>> defined >>>>> > as objects and not members may complicate things a bit, but I'm still >>>>> > digesting all of the new stuff. >>>>> > >>>>> > Derek >>>>> > >>>>> > On Mon, Nov 24, 2008 at 12:01 PM, Tim Perrett <[EMAIL PROTECTED]> >>>>> wrote: >>>>> > >>>>> > > How did this go Derek? >>>>> > >>>>> > > Now we have the record stuff in there, are you going to take a bash >>>>> at >>>>> > > writing a JPA backend? That would rock! >>>>> > >>>>> > > Cheers, Tim >>>>> > >>>>> > > On Nov 13, 2:17 pm, "Derek Chen-Becker" <[EMAIL PROTECTED]> >>>>> wrote: >>>>> > > > Fair enough. I'll check out the Record branch and start looking >>>>> at it. >>>>> > >>>>> > > > Thanks, >>>>> > >>>>> > > > Derek >>>>> > >>>>> > > > On Thu, Nov 13, 2008 at 6:42 AM, Marius <[EMAIL PROTECTED]> >>>>> wrote: >>>>> > >>>>> > > > > +1 >>>>> > >>>>> > > > > On Nov 9, 12:56 am, "David Pollak" < >>>>> [EMAIL PROTECTED]> >>>>> > > > > wrote: >>>>> > > > > > I'd rather wait until Marius and I are done with the >>>>> record/field >>>>> > > stuff >>>>> > > > > and >>>>> > > > > > do a JPA back-end to that. >>>>> > >>>>> > > > > > On Sat, Nov 8, 2008 at 1:39 PM, TylerWeir < >>>>> [EMAIL PROTECTED]> >>>>> > > wrote: >>>>> > >>>>> > > > > > > We may want to also offer an archetype that has the >>>>> skeleton of a >>>>> > > JPA- >>>>> > > > > > > aware app ready to go. >>>>> > >>>>> > > > > > > And +1 for adding this to Lift proper. >>>>> > >>>>> > > > > > > On Nov 8, 2:43 pm, Tim Perrett <[EMAIL PROTECTED]> >>>>> wrote: >>>>> > > > > > > > Sounds like a good idea Derek - this is annoying the ass >>>>> out of >>>>> > > me >>>>> > > > > > > > right now having to copy and paste the JPA scala wrapper >>>>> files >>>>> > > from >>>>> > > > > > > > project to project.... so, sure, this would be a great >>>>> idea and >>>>> > > one >>>>> > > > > > > > welcomed by the majority of lift-jpa users. >>>>> > >>>>> > > > > > > > +1 for including this in lift proper >>>>> > >>>>> > > > > > > > Cheers, Tim >>>>> > >>>>> > > > > > > > On Nov 8, 4:06 pm, "Derek Chen-Becker" < >>>>> [EMAIL PROTECTED]> >>>>> > > > > wrote: >>>>> > >>>>> > > > > > > > > I've had several requests to move the JPA.scala source >>>>> > > > > > > (ScalaEntityManager >>>>> > > > > > > > > and ScalaQuery) out of the demo site and into lift >>>>> proper so >>>>> > > that >>>>> > > > > > > people can >>>>> > > > > > > > > just extend instead of copying and pasting code. Would >>>>> anyone >>>>> > > be >>>>> > > > > > > opposed to >>>>> > > > > > > > > me making a new lift-jpa module to hold common classes? >>>>> > >>>>> > > > > > > > > Derek >>>>> > >>>>> > > > > > -- >>>>> > > > > > Lift, the simply functional web frameworkhttp://liftweb.net >>>>> > > > > > Collaborative Task Managementhttp://much4.us >>>>> > > > > > Follow me:http://twitter.com/dpp >>>>> > > > > > Git some:http://github.com/dpp >>>>> >>>>> >>>> >>>> >>>> >>>> >>>> >>>> -- >>>> Viktor Klang >>>> Senior Systems Analyst >>>> >>>> >>>> >>> >>> >>> >> >> >> -- >> Lift, the simply functional web framework http://liftweb.net >> Collaborative Task Management http://much4.us >> Follow me: http://twitter.com/dpp >> Git some: http://github.com/dpp >> >> >> > > > > -- Viktor Klang Senior Systems Analyst --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Lift" group. 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