note description: "WEL way to identify objects" legal: "See notice at end of class." status: "See notice at end of class." date: "$Date$" revision: "$Revision$" class WEL_IDENTIFIED inherit ANY IDENTIFIED_ROUTINES rename eif_id_object as eif_id_any_object export {NONE} all end feature {NONE} -- For weak references frozen eif_id_object (an_id: INTEGER): detachable WEL_WINDOW -- Object associated with `an_id' require an_id_non_negative: an_id >= 0 do if attached {like eif_id_object} eif_id_any_object (an_id) as l_window then Result := l_window end end note copyright: "Copyright (c) 1984-2017, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 5949 Hollister Ave., Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end