Indeed I think Borut continued from the old thread with a mind to post his
observations on cayenne vs. hibernate, eg, integration with tapestry5, ease of
development, etc. with his new project, latest code, etc. Those observations
would be appropriate under the existing thread and existing s
Let me recommend a new thread with a more appropriate subject.
I doubt many people expect questions about t5cayenne in a thread about
Hibernate.
On Wed, Sep 29, 2010 at 9:39 AM, Borut Bolčina wrote:
> Hi Robert (and others),
>
> I am starting one fresh project and wanted to test-drive t5cayenne.
Ok, so, t5c doesn't depend on resin-hessian directly; cayenne-rop does. Since
I've done cayenne dev work, I already had the dependency. Are you using
tapestry-cayenne-server, or tapestry-cayenne-client?
server shouldn't need the dependency at all; if it's complaining about it, let
me know and
This is what I got, but mind I am behind company nexus - I'll try at home
with clean local repo.
Missing:
--
1) com.caucho:resin-hessian:jar:3.1.6
Try downloading the file manually from the project website.
Then, install it using the command:
mvn install:install-file -DgroupId
Hm. Strange.. I work on it frequently, and compile it fine w/out that
dependency?
I'll check into this.
Robert
On Sep 29, 2010, at 9/298:39 AM , Borut Bolčina wrote:
> Hi Robert (and others),
>
> I am starting one fresh project and wanted to test-drive t5cayenne. For
> trunk sources to compi
Hi Robert (and others),
I am starting one fresh project and wanted to test-drive t5cayenne. For
trunk sources to compile you have to add
caucho
http://caucho.com/m2
in the parent POM. Now lets take this baby for a spin :-)
-Borut
2010/9/6 Robert Zeigler
Hi,
It's been a while since I've used Cayenne and so far my dealings with it have
been based around dabbling with code that's being handled by more competent
people. ;) Having said that, I've used Hibernate for about 4-5 years and have
some experience with it so here's my 2c.
Lazy initialisati
Michael,
Dude, you really have to start a cogent advertising campaign to promote
Cayenne! These differences you point out (along with what I understand to be a
deficiency in faulting behavior over the lifetime of a data object), are not
insignificant. (I do believe that they are not widely un
Robert,
Thanks again for your insight (and mapping some of the technical terms).
Just as a random test of current faulting behavior I googled more on Hibernate
and found:
http://bwinterberg.blogspot.com/2009/08/how-to-eagerly-fetch-associations-with.html
It appears that the Gavin-lazy
2010/9/6 Robert Zeigler
>
> On Sep 6, 2010, at 9/61:47 PM , Borut Bolčina wrote:
>
> > Hello Joe,
> >
> > I just recently began two projects based on Hibernate (and Tapestry 5),
> so I
> > have limited knowledge to compare, but some of the differences
> immediately
> > showed up:
> >
> > 1.Code L
The Hibernate Session is tied to a database connection. A Cayenne
DataContext requests a connection from the DB connection pool when you
commitChanges() or performQuery() and then releases it when done.
Hibernate therefore has issues in a web application where you don't
know how many request/respo
I don't think you're misunderstanding. Their implementation causes me (and
countless others) constant headaches.
HibernateSession is the closest thing in Hibernate to the Cayenne ObjectContext
(DataContext). But they aren't perfectly aligned.
A session is certainly closer in sensibilities to a
On Sep 6, 2010, at 9/61:47 PM , Borut Bolčina wrote:
> Hello Joe,
>
> I just recently began two projects based on Hibernate (and Tapestry 5), so I
> have limited knowledge to compare, but some of the differences immediately
> showed up:
>
> 1.Code Life cycle
> If you have the luxury to start a
Robert,
> And basically, that's it in a nutshell. The thread is discussing fetching a
> lazy relationship after the session has closed. If that were the /only/
> "fringe case" of lazy relationship navigation in hibernate, it would probably
> be tolerable. But it turns out, it's /not/ the onl
Hello Joe,
I just recently began two projects based on Hibernate (and Tapestry 5), so I
have limited knowledge to compare, but some of the differences immediately
showed up:
1.Code Life cycle
If you have the luxury to start a project with no database schema, then in
Hibernate you can start with P
On Mon, Sep 6, 2010 at 2:02 PM, Robert Zeigler
wrote:
>
> > RE ObjectContext vs Session
> > I may be mixed up but it sounds like the ObjectContext is similar in
> concept to EOF. It sounds like you are saying that among other things the
> Hibernate-Session makes simple transactional tasks much mo
On Sep 6, 2010, at 9/611:16 AM , Joe Baldwin wrote:
> Robert,
>
> All I can say is "wow", thanks for the insights. This is especially
> important because you use both frameworks.
>
> Please let me ask some more questions. (Note: as I said, I was initially
> attracted to Cayenne because it h
Robert,
All I can say is "wow", thanks for the insights. This is especially important
because you use both frameworks.
Please let me ask some more questions. (Note: as I said, I was initially
attracted to Cayenne because it had familiar design patterns to EOF, which I
thought was fairly matu
Michael,
(IMHO) Your anecdote reveals a not-unfamiliar trend. (And with no ill-will
towards Hibernate) ... it seems that Hibernate was embraced by project managers
because they saw a lot of resumes with Hibernate, and programmers learned
Hibernate because a lot of Project Managers asked for
Hi Joe,
First, this e-mail wound up a lot longer than I intended, apologies! The short
version is: having used both a fair bit, I prefer cayenne, but they both have
strengths and weaknesses. Most of this e-mail details what I view as weaknesses
in Hibernate. :)
On to the long version!
I stil
Hi.
I am very interested in having a concrete list of technical reasons
developers prefer Cayene. I have worked with Cayene only so I have no
real insight into the issues that caused the developers to revolt. A
table perhaps that all could share. Perhaps one that developers where
you work
Hi Joe,
I don't have a Cayenne vs Hibernate comparison, but I can tell you a
little about how things have shifted a bit where I work.
Hibernate was the official ORM for non-WebObjects projects, which use
EOF, of course. (We have a lot of legacy WO projects to maintain.)
The WO people were much m
There's been discussions on this list, but I haven't seen a full systematic
comparison.
When people ask me about this I usually frame this discussion as "what's unique
about Cayenne", as I am not a Hibernate user and don't know it fine details. As
I mentioned in the 3.0 announcement blog:
ht
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