15.3 Deleting Instances

A persistent-nontransactional instance transitions to persistent-deleted if it is a parameter of deletePersistent( ) . The values of the fields of the instance in memory are unchanged but are saved for verification during commit. To minimize the possibility of a conflict at commit, you can load fresh values from the datastore by calling refresh( ) or refreshAll( ) with the instance as a parameter.

A hollow instance transitions to persistent-deleted if it is a parameter of deletePersistent( ) . Since there is no state loaded into the instance, the instance will not be verified during commit. To force verification at commit, you should first call refresh( ) or refreshAll( ) with the instance as a parameter.