You can directly extend the HibernateDaoSupport if you wish.  I just added a
setLog( Log log ) method, so that HiveMind would inject a Log object into my
DAOs.  The reason that I want to use HiveMind (besides the fact that I'm a
committer on the HiveMind project) is that that's what Tapestry uses.  I see
no reason to use two different DI containers.

-----Original Message-----
From: news [mailto:[EMAIL PROTECTED] On Behalf Of Hans L
Sent: Saturday, April 22, 2006 3:14 PM
To: tapestry-user@jakarta.apache.org
Subject: Re: tapestry/hibernate sessions & pageBeginRender()

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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