[jboss-dev-forums] [Design of JBoss jBPM] - Re: does optimistic locking always work ?

[alex.guizar@jboss.com]

Hibernate does offer a way to load an object for update: 
Session.load(class, id, LockMode.UPGRADE)

This is certainly not optmistic control but pessimistic locking. Tom's solution should do the trick for databases where optimistic control is the only viable approach (e.g. Hypersonic).

My alternative aims at environments where optimistic control is unfavorable due to high probability of concurrent updates.

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