Yes Persistence#getPersistenceUnitUtil is a shame. It assumes bytecode instrumentation and the caller having the ability to access the proper context from the instrumentation. All in all it is worthless.

So let's reject this as being fixed by ARIES-1575.

Brett Meyer if you think it is a good idea to offer support for this other paradigm through a separate provider, etc then let's do that via a new RFE Jira referring to the discussion here.