question: private void updateOptimisticLocks ( Long optimisticLockTime , OperationGroup createGroup , OperationGroup updateGroup ) { logStep ( "Updating optimistic locks" ) ; updateOptimisticLocks ( optimisticLockTime , createGroup . getEntities ( ) ) ; updateOptimisticLocks ( optimisticLockTime , updateGroup . getEntities ( ) ) ; }
target:  Sets the optimistic lock values on the entities.