java extendable enumeration

is there proceed an bulletin extended. i have several methods i always have accessible enumerations. instance i an bulletin database fields. i consolidate tangible domain name database.

public enum orderfields
        {
            orderid("order_id");
            private twine fieldname;

            private orderfields(string fname)
                {
                    this.fieldname = fname;
                }

            open twine getfieldname()
                {
                    relapse fieldname;
                }
        }