Manik Surtani wrote:
Guys,
The API of JBC 3.0 is compatible with 2.x so the actual provider code
should not change, but we probably want to test MVCC as a locking scheme
as well.
So, we either
1) need a cache-jbosscache3 module (yuk!), copy the providers and
existing tests from cache-jbosscache2 and add a few extra tests.
or,
2) assume that cache-jbosscache2 refers to an API and not a version of
the cache. So update the cache used in cache-jbosscache2 to 3.0.0, and
add the extra MVCC tests as well.
My pref would be for 2, what do you guys think?
Had a *quick* look at the code, and looks like the only direct use of
the JBC node locking scheme is a check for OPTIMISTIC in the JBC config,
which if true leads to use of classes that store versions in the cache.
With MVCC we don't need to store versions, so looks like the existing
logic is fine.
If the hibernate guys object to changing the dependency to 3.x, we could
look at handling this via a maven profile. If there's no compile time
dependency on JBC 3 in the main code or the tests (likely, since MVCC is
configured via XML) then we could isolate execution of the MVCC tests in
a profile.
Downside to the profile approach is the standard JBC configs that ship
would still use PESSIMISTIC/OPTIMISTIC.
Cheers
--
Manik Surtani
Lead, JBoss Cache
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--
Brian Stansberry
Lead, AS Clustering
JBoss, a division of Red Hat
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