Hi James,
James Carman wrote:
Well, if you just store the Person object, you have to reattach it to the
current session (which is what my code does).
I don't want to store just the id in the session. You need to store the
whole object to keep the version information (unless of course you don't
need the optimistic locking stuff). You're not supposed to manually set the
version property on Hibernate-managed entities. Hibernate will do that.
I don't use the classes in hivetranse or honeycomb. I have my own classes
for dealing with all of this and they work for me. You're welcome to use
it. It's all Apache v2.0 licensed. You can do all the transaction
demarcation stuff and everything using the Spring syntax. The example
application (tapernate-example) shows how it all works. I'm going to be
adding my stuff to the honeycomb project once we figure out where it's going
to live (javaforge vs. sourceforge).
I checked out your repository; this is *really* useful code for me --
and answers all of the big questions I've had in trying to integrate
hibernate + tapestry. The property persistence strategy approach looks
to be the most elegant way to deal with the detached entities and I'm
going to figure out how to add that persistence strategy to my tapestry
setup on Monday.
One quick question: is there a reason why your persistence solution
couldn't extend Spring's HibernateDaoSupport directly? Admittedly, I
haven't looked at the Hivemind HibernateService class that you're
extending, but it looks like the important part there is the
getSession() method, which I assume is the same as HibernateDaoSupport.
I haven't completely understood what Hivemind provides that Spring
doesn't (or vice versa), but for now I'm trying to keep my application
as simple as is feasible and trying to stick to one framework (Spring)
for the dependency injection / IoC.
Thanks again for this contribution -- and I'm glad to hear that it's
going to be made more publicly available in the future.
Thanks,
Hans
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