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From "Michael Dick (JIRA)" <>
Subject [jira] Commented: (OPENJPA-159) Make ManagedRuntime amenable to more transaction execution strategies
Date Fri, 25 Apr 2008 20:25:55 GMT


Michael Dick commented on OPENJPA-159:

Edit,messed up the link, the new WebSphere Managed runtime is provided in OPENJPA-149

> Make ManagedRuntime amenable to more transaction execution strategies
> ---------------------------------------------------------------------
>                 Key: OPENJPA-159
>                 URL:
>             Project: OpenJPA
>          Issue Type: Sub-task
>          Components: jdbc, kernel
>            Reporter: Patrick Linskey
>            Assignee: Michael Dick
>             Fix For: 1.2.0
> OpenJPA occasionally needs to perform work in a non-business transaction (see
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, commit()/rollback(), resume().

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