note description: "[ ]" legal: "See notice at end of class." status: "See notice at end of class." date: "$Date$" revision: "$Revision$" class ENVIRONMENT_OBSERVER inherit EVENT_OBSERVER_I feature {ENVIRONMENT_S} -- Event handlers on_environment_value_changed (a_sender: ENVIRONMENT_S; a_name: READABLE_STRING_GENERAL) -- Called when a value in the environment service changes. -- -- `a_sender': The sender service of the event. -- `a_name': Name of the environment variable the change occurred to. require is_interface_usable: (attached {USABLE_I} Current as l_usable) implies l_usable.is_interface_usable a_sender_attached: a_sender /= Void a_sender_is_interface_usable: a_sender.is_interface_usable a_name_attached: a_name /= Void not_a_name_is_empty: not a_name.is_empty do end ;note copyright: "Copyright (c) 1984-2009, Eiffel Software" license: "GPL version 2 (see http://www.eiffel.com/licensing/gpl.txt)" licensing_options: "http://www.eiffel.com/licensing" copying: "[ This file is part of Eiffel Software's Eiffel Development Environment. Eiffel Software's Eiffel Development Environment is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2 of the License (available at the URL listed under "license" above). Eiffel Software's Eiffel Development Environment is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Eiffel Software's Eiffel Development Environment; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ]" 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