On 4 Aug 2009, at 09:37, Galder Zamarreno wrote:
Hi,
Re: https://jira.jboss.org/jira/browse/ISPN-6
Source code for this is currently located in an Infinispan branch in
the
Hibernate SVN repo:
https://svn.jboss.org/repos/hibernate/core/branches/INFINISPAN/
http://anonsvn.jboss.org/repos/hibernate/core/branches/INFINISPAN/
I've picked this JIRA from Chris Bredesen. I'm waiting to get an
answer
to an email I sent him yesterday but in the mean time, here's a list
of
TODOs:
1. Current Infinispan region factory needs to point to a config with
named caches. Suggested property name:
hibernate.cache.region.ispn4.configs
hibernate.cache.infinispan.cfg ?
- why do we need 'region' in there, non-intuitive to end-users?
- I'd rather use infinispan rather than ispn.
2. Need a equivalent version of this region factory where cache
manager
is retrieved from JNDI. Suggsted property name:
hibernate.cache.region.ispn4.manager
s/region.ispn4/infinispan
3. Configuration properties for named cache names. Suggested
property names:
hibernate.cache.region.ispn4.cfg.entity
hibernate.cache.region.ispn4.cfg.collection
hibernate.cache.region.ispn4.cfg.query
hibernate.cache.region.ispn4.cfg.timestamps
s/region.ispn4/infinispan
4. Resolve TransactionalAccess, ReadOnlyAccess and BaseRegion TODOs.
5. Enhance query results region so that query changes are not
propagated
if invalidation is used and add query.localonly equivalent property.
Suggested name: hibernate.cache.region.ispn4.query.localonly
s/region.ispn4/infinispan
6. Add more unit tests!
7. Document in wiki.
Good stuff, thanks for taking this on!
- Manik
Some notes I've made while investigating this:
- Whereas with JBC2/3, we had the possibility of a shared cache for
all
types (entities, collections, query,...etc) and a multiplexed version
where each type had a specific cache, in Infinispan, it only makes the
latter. Amongst other reasons because we don't have eviction regions
any
more and so we can't exclude the timestamp modification region as we
did
in JBC2/3. Overall, having a single option is a good thing from a
configuration and usability perspective! Remember how complex eviction
region definition could get for entities...
Finally, a question to the list, specially for Brian/Steve who
worked on
the JBC2/3 integration layer:
- Do we need a similar timestamp region local cache implementation for
an ISPN based cache provider?
Cheers,
--
Galder Zamarreño
Sr. Software Engineer
Infinispan, JBoss Cache
_______________________________________________
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--
Manik Surtani
ma...@jboss.org
Lead, Infinispan
Lead, JBoss Cache
http://www.infinispan.org
http://www.jbosscache.org
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