On that basis, wouldn't it be possible to configure two datasources, and just use different datasources for different beans?
On Thu, 2002-09-19 at 18:26, Dain Sundstrom wrote: > Is this even possible? I don't think it is. Isolation level is an > attribute of the connections and not the transaction, so unless we used > a separate connection for each bean we would not be able to have > different levels in the same transaction. If we did use different > connections for each bean, the connections would be isolated from each > other so queries that depend on data changed in the transaction (by a > different bean) would fail. > > -dain > > David Jencks wrote: > > Rereading the post you responded to I still think I explained the situation > > fairly well. This feature has not been requested often (I think twice so > > far). It's possible, but would require a fair amount of code, would > > probably be extremely confusing to use, and doesn't seem to be a high > > priority. > > > > david jencks > > > > On 2002.09.19 12:12:54 -0400 Emerson Cargnin - SICREDI Servi�os wrote: > > > >>why there isn't a property at jboss.xml to define the transaction > >>isolation at ejb level, isn't it possible? > >> > >>David Jencks wrote: > >> > >>>You can only specify it per-datasource, not per-bean. Most dbs seem to > >>>commit or throw an error if you try to change the isolation level > >> > >>inside a > >> > >>>transaction. I guess it would be possible to include a tx isolation > >> > >>spec > >> > >>>with the method transaction specs, but I think it would be pretty > >>>confusing, since only the method call that actually started the tx > >> > >>would > >> > >>>have an effect. > >>> > >>> > >>>To set it, include something like > >>> > >>><config-property type="java.lang.String" > >>>name="TransactionIsolation>TRANSACTION_READ_COMMITTED</config-property> > >>> > >>>in your db-service.xml file. > >>> > >>>david jencks > >>> > >>>On 2002.09.19 11:20:34 -0400 Jim Crossley wrote: > >>> > >>> > >>>>I hope this isn't too dumb of a question, but how do I specify a > >>>>READ_COMMITTED isolation level for one of my CMP beans? > >>>> > >>>>The QuickStart guide mentions the different isolation levels, but it > >>>>doesn't > >>>>tell me how to specify them. > >>>> > >>>>Thanks, > >>>>Jim > >>>> > >>>> > >>>>------------------------------------------------------- > >>>>This sf.net email is sponsored by:ThinkGeek > >>>>Welcome to geek heaven. > >>>>http://thinkgeek.com/sf > >>>>_______________________________________________ > >>>>JBoss-user mailing list > >>>>[EMAIL PROTECTED] > >>>>https://lists.sourceforge.net/lists/listinfo/jboss-user > >>>> > >>>> > >>> > >>> > >>> > >>>------------------------------------------------------- > >>>This sf.net email is sponsored by:ThinkGeek > >>>Welcome to geek heaven. > >>>http://thinkgeek.com/sf > >>>_______________________________________________ > >>>JBoss-user mailing list > >>>[EMAIL PROTECTED] > >>>https://lists.sourceforge.net/lists/listinfo/jboss-user > >>> > >> > >> > >>-- > >>xxxxxxxxxxxxxxxxxxxxxxxxxxxx > >>| Emerson Cargnin | > >>| Analista de Sistemas Sr. | > >>| Tel : (051) 3358-4860 | > >>| SICREDI Servi�os | > >>| Porto Alegre - Brasil | > >>|xxxxxxxxxxxxxxxxxxxxxxxxxx| > >> > >> > >> > >>------------------------------------------------------- > >>This sf.net email is sponsored by:ThinkGeek > >>Welcome to geek heaven. > >>http://thinkgeek.com/sf > >>_______________________________________________ > >>JBoss-user mailing list > >>[EMAIL PROTECTED] > >>https://lists.sourceforge.net/lists/listinfo/jboss-user > >> > >> > > > > > > > > ------------------------------------------------------- > > This sf.net email is sponsored by:ThinkGeek > > Welcome to geek heaven. > > http://thinkgeek.com/sf > > _______________________________________________ > > JBoss-user mailing list > > [EMAIL PROTECTED] > > https://lists.sourceforge.net/lists/listinfo/jboss-user > > > -- > xxxxxxxxxxxxxxxxxxxxxxxx > Dain Sundstrom > Chief Architect JBossCMP > JBoss Group, LLC > xxxxxxxxxxxxxxxxxxxxxxxx > > > > ------------------------------------------------------- > This sf.net email is sponsored by:ThinkGeek > Welcome to geek heaven. > http://thinkgeek.com/sf > _______________________________________________ > JBoss-user mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/jboss-user > -- Peter Beck BEng (hons) - Managing Director, Electrostrata Ltd. http://www.electrostrata.com --+-+-+-+-- Experts in e-business and e-commerce ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ JBoss-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-user
