500049 Video Annotation and Reference System : JPA Knowledgebase This page last changed on Oct 29, 2009 by brian. ## Use Cases ### ConceptName Insert Does a duplicate name already exist? Don't need to worry. JPA will throw an exception since it's a unique column. Is it a primary name? Only 1 primary name per concept is allowed. Is there another primary name for that concept already? Yes = throw exception No = continue Delete Is it a primary name? Yes = throw exception No = delete it Update Does a duplicate name already exist? Don't need to worry. JPA will throw an exception since it's a unique column. Is it a primary name? Only 1 primary name per concept is allowed. Is there another primary name for that concept already? Yes = throw exception No = continue Is it a non-primary name? Make sure the concept has at least 1 primary name

Document generated by Confluence on Feb 03, 2026 12:59