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Posted to dev@openjpa.apache.org by "Michael Dick (JIRA)" <ji...@apache.org> on 2011/02/08 20:31:57 UTC
[jira] Assigned: (OPENJPA-1593) Create an OSGiManagedRuntime
[ https://issues.apache.org/jira/browse/OPENJPA-1593?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Dick reassigned OPENJPA-1593:
-------------------------------------
Assignee: Michael Dick (was: Donald Woods)
Mailing list post jogged my memory to look at the patch, which looks good.
The only question I have is with the service registration triggered in PersistenceActivator. It looks benign but it'd be nice to know whether there's an effect when running with Aries before we commit.
> Create an OSGiManagedRuntime
> ----------------------------
>
> Key: OPENJPA-1593
> URL: https://issues.apache.org/jira/browse/OPENJPA-1593
> Project: OpenJPA
> Issue Type: Sub-task
> Components: osgi
> Affects Versions: 2.0.0-beta
> Reporter: Donald Woods
> Assignee: Michael Dick
> Fix For: 2.2.0
>
> Attachments: OPENJPA-1593-1.patch, OPENJPA-1593-2.patch, OPENJPA-1593-3.patch, OPENJPA-1593-4.patch
>
>
> Follow-on to OPENJPA-1524 to create a generic OSGiManagedRuntime class that would work for vendors/frameworks other than Apache Aries.
> Tim's original suggestion was - One implementation suggestion would be to use a ServiceTracker to keep track of the JTA services. This would allow for lazy lookup and also provide a notification if the service is unregistered.
> This should then be possible to implement as a relatively simple subclass of RegistryManagedRuntime that overrides getTransactionManager(). I don't know if you have a nice mechanism to pass a BundleContext yet, but I don't think that should pose a significant problem.
> Now that we have a BundleUtils.java to require OSGi classes in our runtime, we should be able to lookup "javax.transaction.TransactionSynchronizationRegistry" from the ServiceRegistry to use, instead of relying on the current JNDI lookup which is Aries specific.
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