1 // Copyright (C) 2007-2022 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
19 // Author : Anthony Geay (CEA/DEN)
21 #ifndef __PARAMEDMEM_TIMELABEL_HXX__
22 #define __PARAMEDMEM_TIMELABEL_HXX__
24 #include "MEDCoupling.hxx"
32 * Class representing a label of time of the lastely modified part of this.
33 * More _time is high more the object has been modified recently.
38 MEDCOUPLING_EXPORT TimeLabel(const TimeLabel& other) = default;
39 MEDCOUPLING_EXPORT TimeLabel& operator=(const TimeLabel& other);
40 //! This method should be called when write access has been done on this.
41 MEDCOUPLING_EXPORT void declareAsNew() const;
42 //! This method should be called on high level classes as Field or Mesh to take into account modifications done in aggregates objects.
43 MEDCOUPLING_EXPORT virtual void updateTime() const = 0;
44 MEDCOUPLING_EXPORT std::size_t getTimeOfThis() const { return _time; }
46 MEDCOUPLING_EXPORT TimeLabel();
47 MEDCOUPLING_EXPORT virtual ~TimeLabel();
48 MEDCOUPLING_EXPORT void updateTimeWith(const TimeLabel& other) const;
49 MEDCOUPLING_EXPORT void forceTimeOfThis(const TimeLabel& other) const;
51 static std::atomic<std::size_t> GLOBAL_TIME;
52 mutable std::size_t _time;
55 class TimeLabelConstOverseer
58 MEDCOUPLING_EXPORT TimeLabelConstOverseer(const TimeLabel *tl);
59 MEDCOUPLING_EXPORT void checkConst() const;
60 MEDCOUPLING_EXPORT bool resetState();
61 MEDCOUPLING_EXPORT bool keepTrackOfNewTL(const TimeLabel *tl);
64 std::size_t _ref_time;