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From "Patrick Linskey (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-159) Make ManagedRuntime amenable to more transaction execution strategies
Date Wed, 21 Feb 2007 07:10:05 GMT
Make ManagedRuntime amenable to more transaction execution strategies
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                 Key: OPENJPA-159
                 URL: https://issues.apache.org/jira/browse/OPENJPA-159
             Project: OpenJPA
          Issue Type: Improvement
          Components: kernel, jdbc
            Reporter: Patrick Linskey


OpenJPA occasionally needs to perform work in a non-business transaction (see AbstractJDBCSeq.java).
In a transactional environment, one way that this is achieved is by suspending the current
JTA transaction, starting a new one, doing the work, cleaning up the new tx, and resuming
the original one. Some environments do not allow direct transaction control, but mechanisms
such as stateless session beans can often be used to kick off atomic operations that should
execute in a separate transaction.

We could easily add ManagedRuntime.executeInNewTransaction(Runnable) that captured this slightly-coarser-grained
transaction control. The default implementation could simply do  suspend(), begin(), invoke
Runnable.run(), commit()/rollback(), resume().

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