[jboss-dev-forums] [JBoss AS7 Development] - Re: jboss7 quickstarts entitymanager injection question

[robert walker]

robert walker [http://community.jboss.org/people/robertwalker] created the discussion

"Re: jboss7 quickstarts entitymanager injection question"

To view the discussion, visit: http://community.jboss.org/message/635436#635436

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ok, this is becoming a bit clearer, 

however

both examples (login and kitchensink) point to 

<jta-data-source>java:jboss/datasources/ExampleDS</jta-data-source>

in thier persistence.xml (each one gives a different name for thier persistence-unit name, one named primary and the other loginDatabase)

so because both point to same the DS then 

@Inject
EntityManager

works in both sample applications? Jboss can know which pu to assign to the entitymanager?

the login app would not get associated with the PU for kithensink?


If I add my own, do I also use
@Inject   // or maybe  @PersistenceContext if not using the resource producer pattern

private EntityManager em;

thanks


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