[jboss-user] [JBossCache] - Re: use of org.hibernate.cache.UpdateTimestamp

[bstansberry@jboss.com]

It's not needed by JBoss Cache per se, it's needed by Hibernate.  Briefly mentioned in the Hibernate docs at http://www.hibernate.org/hib_docs/v3/reference/en/html/performance.html#performance-querycache.

Basically, Hibernate tracks the update timestamp for an entity type so it can know if any cached query results may have been invalidated due to a change in the queried entities.

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