Create an OSGiManagedRuntime
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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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