Hi everybody, I just wanted to let you know that the Atlanta PostgreSQL User Group has been formed. For more information see: http://pugs.postgresql.org/atlpug Or you can also contact Michael Brewer at mbrewer at gmail punto com See you all tomorrow for our monthly meeting! This time about JPA and Spring (http://www.ajug.org/). Cheers, Gunnar Hillert
The March AJUG meeting is here already! Why not spend some quality time before the meeting kicks off, socializing with some other AJUG folks? We will meet on Tuesday, March 18th around 5:00-5:30 at Garcia's Mexican Restaurant. Garcia's is located in the Georgetown Shopping Center on the other side of I-285 from the AJUG meeting location (Holiday Inn Select). This is just a loose, informal time to hang out and get to know each other before we head over to the meeting for our monthly dose of mind-altering Java knowledge. Why waste an hour working late at the office before you head to AJUG? Come join us for some good food, good beverages, and good fun. Specifics for finding Garcia's: Garcia's Mexican Restaurant 4514 Chamblee Dunwoody Road Atlanta, GA 30338 770-458-6122 You can find the google map at http://tinyurl.com/p5an5 Or to get to Garcia's simply head north on Chamblee Dunwoody Road when exiting from I-285. Garcia's is in the GeorgeTown shopping center on your left, between the Kroger and the Starbucks. Hope you can make it!
Hello fellow AJUGers,
I'm working on a project where we're updating an existing code base from EJB 2 to EJB 3 and ran into a problem that I'm hoping someone here has already solved.
In our 2.x beans, we're using the delay-updates-until-end-of-tx element in our weblogic-ejb-jar.xml file and setting the value to FALSE so that the WebLogic server will call ejbStore() after each method call, which updates the database but doesn't commit the data so we can still roll back if necessary.
Is there an equivalent under JPA? We're currently using OpenJPA, which is the default for WebLogic 10, but can probably switch to Hibernate if necessary.
Thanks for any help you can give,
Burk Hufnagel
(Speaker at our next meeting. And no, the topic isn't EJB 3.0 or JPA.)
--
"The only rules that really matter are these: what a man can do and what a man can't do." Captain Jack Sparrow
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To force updates past the write-behind cache, you can call EntityManager.flush. I'm not aware of a way of disabling the write-behind cache globally in either Hibernate or OpenJPA. I suppose you could proxy the entity manager and have the proxy call flush after delegating each update call. Why you would want to do this is another matter. :) On Mon, Mar 24, 2008 at 1:29 PM, SilverAnvil <silveranvil@...> wrote: > Hello fellow AJUGers, > > I'm working on a project where we're updating an existing code base from EJB > 2 to EJB 3 and ran into a problem that I'm hoping someone here has already > solved. > > In our 2.x beans, we're using the delay-updates-until-end-of-tx element in > our weblogic-ejb-jar.xml file and setting the value to FALSE so that the > WebLogic server will call ejbStore() after each method call, which updates > the database but doesn't commit the data so we can still roll back if > necessary. > > Is there an equivalent under JPA? We're currently using OpenJPA, which is > the default for WebLogic 10, but can probably switch to Hibernate if > necessary. > > Thanks for any help you can give, > Burk Hufnagel > (Speaker at our next meeting. And no, the topic isn't EJB 3.0 or JPA.) > > -- > "The only rules that really matter are these: what a man can do and what a > man can't do." Captain Jack Sparrow > _______________________________________________ > ajug-members mailing list > ajug-members@... > http://www.ajug.org/mailman/listinfo/ajug-members > >
Rob,
It's a legacy app and we're trying not to change how things work too much as we migrate to EJB 3.0. I don't agree with what they were doing either, but unless we change the design we've got to try to make the new version work like (but faster than) the old one.
Thanks anyway,
Burk
To force updates past the write-behind cache, you can call
EntityManager.flush. I'm not aware of a way of disabling the
write-behind cache globally in either Hibernate or OpenJPA. I suppose
you could proxy the entity manager and have the proxy call flush after
delegating each update call.
Why you would want to do this is another matter. :)> _______________________________________________
On Mon, Mar 24, 2008 at 1:29 PM, SilverAnvil <silveranvil-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> Hello fellow AJUGers,
>
> I'm working on a project where we're updating an existing code base from EJB
> 2 to EJB 3 and ran into a problem that I'm hoping someone here has already
> solved.
>
> In our 2.x beans, we're using the delay-updates-until-end-of-tx element in
> our weblogic-ejb-jar.xml file and setting the value to FALSE so that the
> WebLogic server will call ejbStore() after each method call, which updates
> the database but doesn't commit the data so we can still roll back if
> necessary.
>
> Is there an equivalent under JPA? We're currently using OpenJPA, which is
> the default for WebLogic 10, but can probably switch to Hibernate if
> necessary.
>
> Thanks for any help you can give,
> Burk Hufnagel
> (Speaker at our next meeting. And no, the topic isn't EJB 3.0 or JPA.)
>
> --
> "The only rules that really matter are these: what a man can do and what a
> man can't do." Captain Jack Sparrow
> ajug-members mailing list
> ajug-members-4vciHtwbE8s@public.gmane.org
> http://www.ajug.org/mailman/listinfo/ajug-members
>
>
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Don't know why, but this just showed up in GMail even though it says you sent it 3 hours ago. That may account for no responses...
Hello fellow AJUGers,
I want to get a feel of what you folks think of twitter "http://www.twitter.com". After viewing a video that explains it , "http://www.commoncraft.com/Twitter", I'm pretty convinced it has some value in our market. While I feel I don't have enough interesting things to say to support a blog, I think twitter might be a better fit.
Following and being followed (twitter terminology) by fellow geeks could benefit us by:
- increased networking potential
- small technical discussions
- new technology adoption (who is using what)
- etc..
I don't know. I'll be attending javaone again this year and thought it might be a way of communicating with fellow atlantans attending the event. or any event.
Let me know what y'all think,
Charlie
--
Charlie Walker - Registered Linux User #62358
Twitter Id: maverick67
"Now and then we had a hope that if we lived and were good, God would permit us to be pirates." - Mark Twain
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Hi Everyone,
I recently concluded a project for one of my clients that used
Glassfish, JSF, Facelets and RichFaces. Out of that came an article
recently posted at devWorks. "An Introduction to RichFaces" shows how to
set things up and how to use several RichFaces components. It includes
downloadable code, and there's an online demo off conceptGO's Community page
(also a link in the article resources.)
If you're interested, it's on the main Java zone page at at
developerWorks for the next week or so:
http://www.ibm.com/developerworks/java/
or you can go to it directly at:
http://www.ibm.com/developerworks/java/library/j-richfaces/index.html?S_TACT=105AGX02&S_CMP=HP
If you have the energy to spare, I'd appreciate any feedback about how
well or not the article came across and if it achieved its goals. Thanks,
Joe Sam
Joe Sam Shirah - http://www.conceptgo.com
conceptGO - Consulting/Development/Outsourcing
Java Filter Forum: http://www.ibm.com/developerworks/java/
Just the JDBC FAQs: http://www.jguru.com/faq/JDBC
Going International? http://www.jguru.com/faq/I18N
Que Java400? http://www.jguru.com/faq/Java400
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Great idea. Thanks! Gunnar Hillert wrote: > Hi everybody, > > For all LinkedIn users among us - I have created a LinkedIn > <http://www.linkedin.com/> Group for AJUG. > > If you are interested in joining this group and would like to show your > AJUG affiliation on your LinkedIn profile, just follow this link: > > http://www.linkedin.com/e/gis/79177/0C380645713A > > > Thanks! > > > Cheers, > > Gunnar > > > http://www.linkedin.com/in/hillert > http://www.hillert.com/ > > > ------------------------------------------------------------------------ > > _______________________________________________ > ajug-members mailing list > ajug-members@... > http://www.ajug.org/mailman/listinfo/ajug-members -- -- The future is here. It's just not widely distributed yet. -William Gibson
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