I found some answers (after one long night and tons of coffee :-) ) - To declare the dependancy between SAR and PAR within the same ear file in your jboss-service.xml (within the sar]
| <server> | <mbean code="com.bla.bla.MYService" name="bla.bla:service=MYS"> | <depends>jboss.j2ee:service=EJB3,module=put your par file here</depends> | </mbean> | </server> | - To access the entity manager from MBean First you need to advertise your entity manager factor in your persistance.xml | <property name="jboss.entity.manager.jndi.name" value="java:/EntityManagers/myem"/> | <property name="jboss.entity.manager.factory.jndi.name" value="java:/EntityManagersFactory/myemFac"/> | In the service MBean , override startService(). lookup your entity manager factory and call createEntityManger to get yourself an instance of the em.... I created EXTENDED em and it worked for me Why I am doing all of that... here is the problem I am trying to solve (if you know better solution, please share it with all of us) - I have to maintain a graph, the graph vertcies and the edges are persisted in the db using EJB3 entity beans - my clients (lots of concurrent ones), are travesing portions of the graph, updating information in the graph - The first solution was to use optimistic locks (@version).... that killed me as some portion of the graph was being updated by multiple clients at the same time .... lots and lots of exceptions - Second solution. In a ServiceMBean, I instantiated a JGraph, loaded all my entities into the JGraph - my clients can call methods of a SLSB that forward the call to the service MBean - In the MBean I am controlling the locking mechanism using semaphores per vertex/Edge Problems with my solution: - In cluster deployment, how can I replicate my JGraph information?? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3934018#3934018 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3934018 ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 _______________________________________________ JBoss-user mailing list JBoss-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jboss-user
