Something like: "select x from Employee x as x was on January 1, 2002"
On May 21, 2007, at 11:01 AM, Kevin Sutter wrote:
Sorry to show my ignorance, but what are "historical objects"?
Thanks!
Kevin
On 5/18/07, Ricardo Andere de Mello <[EMAIL PROTECTED]> wrote:
ok, I'm sending this message to netmind list too, so they can
answer my
next
question too:
* Maybe this is a silly question, but is it possible to place
netmind's
beankeeper historical structure between OpenJPA and the database
backstore?
I dont think *any* serious commercial application can avoid
historical
objects.
I think netmind's beankeeper is a great thing, and JPA is a good
standard.
Mixing both projects would be very cool. ;-)
[]s, gandhi
2007/5/18, Marc Prud'hommeaux <[EMAIL PROTECTED]>:
>
>
> Sadly, no. We don't have any built-in support for historical
support
> at this time, although we have thought for a long time that this
> would be a great feature to have.
>
> You can, of course, do it yourself manually with a bunch of
> persistent Date fields, but I agree that this is pretty
cumbersome to
> have to manage yourself.
>
>
>
> On May 18, 2007, at 11:27 AM, Ricardo Andere de Mello wrote:
>
> > Does OpenJPA have something similar to TopLink's "AsOfClause" ?
> >
> > I've been working for some time with OJB and Hibernate, and I'm
> > work a lot
> > with historical objects.
> > It really sucks to manage lots of classes to build a historical
> > structure of
> > objects and object relations.
> >
> > Netminds beankeeper does a great job about this, but I'd like to
> > adhere to
> > JPA...
> >
> > Any idea of implementing historical objects AND RELATIONS,
inside JPA?
> >
> > --
> > Ricardo Andere de Mello
> > Presidente do Quilombo Digital
> > 55 (11) 3271-7928 / 55 (11) 9917-7722
>
>
--
Ricardo Andere de Mello
Presidente do Quilombo Digital
55 (11) 3271-7928 / 55 (11) 9917-7722