Is OJB ready for production env ?

[vb...@brasilcenter.com.br]

Hi All,

      Is OJB ready for production env ?
      Can I use "lock" with PB API or only with ODMG API ?
      Is there a reference implemetation with all features of OJB ?

Thanks,
Vinicius Bomfim

Re: Is OJB ready for production env ?

[Thomas Mahler <th...@web.de>]

Hi Vinicius,

vbomfim@brasilcenter.com.br wrote:
> Hi All,
> 
>       Is OJB ready for production env ?

Depends on your production environment. If you want to program an 
aeroplane autopilot system you should not use Java at all. ;-)
(At least SUN has such a disclaimer)

But I assume we are talking about enterprise business applications, 
aren't we?
And for such applications it's a clear *yes*. OJB has been in production 
since release 0.5, which is now 2 years ago.

Just search through the mailing list, this question has been asked (and 
answered many times before).


>       Can I use "lock" with PB API or only with ODMG API ?

PB provides optimistic locking only.
ODMG provides optimistic and pessimistic locking

>       Is there a reference implemetation with all features of OJB ?
> 

You want a reference to see that OJB is ready for production, or to see 
how to use all the features?
If it's the former I could bring you in contact with some project leads 
that sucessfully use OJB. But they are all in Germany! SO I don't know 
if it's of any use ;-)

Maybe some user could point us to a production web site powered by OJB?
This would be the most easy way for a showcase.

If it is the latter, There are plenty of such references.
1. Our Junit testbed, covering more than 400 features
2. Chuck Cavaness' O'Reilly book on struts programming covers OJB:
http://www.amazon.com/exec/obidos/ASIN/0596003285/qid=1054656123/sr=2-1/ref=sr_2_1/103-9325116-6675068
code from the book is here:
http://examples.oreilly.com/jakarta/

3. There's also a WROX book on Struts + OJB:
http://www.amazon.com/exec/obidos/tg/detail/-/1861007817/qid=1054655953/sr=8-1/ref=sr_8_1/103-9325116-6675068?v=glance&s=books&n=507846
here is their sample code:
http://web.wrox.com/download/code/professional/7817.zip

I don't think that there is a single application demonstrating *all* 
features, the references above should get you started ;-)

welcome to OJB-land,
Thomas

> Thanks,
> Vinicius Bomfim
> 
> 
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: ojb-user-unsubscribe@db.apache.org
> For additional commands, e-mail: ojb-user-help@db.apache.org
> 
> 

Re: Is OJB ready for production env ?

["David W. Forslund" <dw...@lanl.gov>]

We've been using it in "production" for a long time now, from about
version 0.9.4, I believe.  It has been very robust.  We don't use all of
its features.   We've only see to failures of our persistent store in
about 9 months, and I'm not sure they were due to OJB.


vbomfim@brasilcenter.com.br writes:
 > 
 > Hi All,
 > 
 >       Is OJB ready for production env ?
 >       Can I use "lock" with PB API or only with ODMG API ?
 >       Is there a reference implemetation with all features of OJB ?
 > 
 > Thanks,
 > Vinicius Bomfim
 > 
 > 
 > 
 > ---------------------------------------------------------------------
 > To unsubscribe, e-mail: ojb-user-unsubscribe@db.apache.org
 > For additional commands, e-mail: ojb-user-help@db.apache.org
 > 

-- 
David Forslund, Ph.D.				Voice:(505) 663-5218
Computer and Computational Sciences, MST006	FAX: (505) 663-5225
Los Alamos National Laboratory		 	EMAIL: dwf@lanl.gov
Los Alamos, NM 87545			 	WWW: http://www.acl.lanl.gov/~dwf