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From "Donald Woods (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-1593) Create an OSGiManagedRuntime
Date Mon, 22 Mar 2010 19:14:27 GMT
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: Donald Woods
             Fix For: 2.1.0


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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