How can I get changed attributes (name, old value, new value) on update using JPA/EclipseLink?
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How can I get changed attributes (name, old value, new value) on update using JPA/EclipseLink?
You can access the changes from the UnitOfWork or through DescriptorEvents. You can get the new value from the change set, and as of 2.3 I think, you can also get the old value.
See,
http://wiki.eclipse.org/EclipseLink/FAQ/JPA#How_to_access_what_changed_in_an_object_or_transaction.3F