[jboss-user] [EJB 3.0] - how to check entity bean state change ?

[design2006]

Dear all, 

I have an entity bean which persist to the database, how can i know when the field value of the entity bean has been change ? 

Because i want to make the application call to update database only when some of the fields in the entity bean have been change. thanks.



regards,
design

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