note description: "Value retriever to get a value for value criterion" legal: "See notice at end of class." status: "See notice at end of class." author: "" date: "$Date$" revision: "$Revision$" deferred class EB_METRIC_VALUE_RETRIEVER inherit EB_METRIC_VISITABLE feature -- Access value (a_ql_domain: QL_DOMAIN): DOUBLE -- Retrieved value require value_retrievable: is_retrievable a_ql_domain_attached: a_ql_domain /= Void deferred end value_with_domain (a_domain: EB_METRIC_DOMAIN): DOUBLE -- Retrieved value require value_retrievable: is_retrievable a_domain_attached: a_domain /= Void deferred end feature -- Status report is_retrievable: BOOLEAN -- Is `value' retrievable? deferred end feature -- Process process (a_visitor: EB_METRIC_VISITOR) -- Process current using `a_visitor'. do a_visitor.process_value_retriever (Current) end note copyright: "Copyright (c) 1984-2006, 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 356 Storke Road, Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end