note description: "Representation of a once procedure" legal: "See notice at end of class." status: "See notice at end of class." date: "$Date$" revision: "$Revision$" class ONCE_PROC_I inherit DYN_PROC_I rename is_object_relative_once as is_object_relative redefine is_once, is_object_relative, is_process_relative, replicated, transfer_to, transfer_from, unselected, update_api, selected end feature -- Status report is_once: BOOLEAN = True -- Is the current feature a once one? is_process_relative: BOOLEAN -- Is once routine process-wide (rather than thread-specific)? is_thread_relative: BOOLEAN -- Is once routine thread-specific? do Result := not (is_process_relative or is_object_relative) end is_object_relative: BOOLEAN -- Is once routine per object? feature -- Status setting set_is_process_relative -- Set `is_process_relative'. do is_object_relative := False is_process_relative := True ensure is_process_relative_set: is_process_relative end set_is_thread_relative -- Set `is_thread_relative'. do is_object_relative := False is_process_relative := False ensure is_thread_relative_set: is_thread_relative end set_is_object_relative -- Set `is_object_relative'. do is_process_relative := False is_object_relative := True ensure is_object_relative_set: is_object_relative end feature -- Adaptation transfer_to (other: ONCE_PROC_I) -- Transfer data from Current into `other'. do Precursor (other) if is_process_relative then other.set_is_process_relative elseif is_object_relative then other.set_is_object_relative else other.set_is_thread_relative end end transfer_from (other: ONCE_PROC_I) -- Transfer data from Current into `other'. do Precursor (other) if other.is_process_relative then set_is_process_relative elseif other.is_object_relative then set_is_object_relative else set_is_thread_relative end end replicated (in: INTEGER): FEATURE_I -- Replication local rep: R_ONCE_PROC_I do create rep transfer_to (rep) rep.set_code_id (new_code_id) rep.set_access_in (in) Result := rep end selected: ONCE_PROC_I -- do create Result Result.transfer_from (Current) end unselected (in: INTEGER): FEATURE_I -- Unselected feature local unselect: D_ONCE_PROC_I do create unselect transfer_to (unselect) unselect.set_access_in (in) Result := unselect end feature {NONE} -- Implementation update_api (f: E_ROUTINE) -- Update api feature `f' attribute features. do Precursor {DYN_PROC_I} (f) f.set_once (True) f.set_object_relative_once (is_object_relative) end invariant one_of_process_thread_object: ( is_process_relative and not is_thread_relative and not is_object_relative) or (not is_process_relative and is_thread_relative and not is_object_relative) or (not is_process_relative and not is_thread_relative and is_object_relative) note copyright: "Copyright (c) 1984-2010, 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