X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FMEDCoupling%2FMEDCouplingTimeLabel.hxx;h=3da7bef0fab7b225eb14b00ab8f3d2842747e351;hb=b607ffc713080a567fb90595118069ac18181e99;hp=87280fd92527a9a0e285954bde88027dee88f5d0;hpb=5c5eac0685cacee529bf388d4369f3535c3803f9;p=tools%2Fmedcoupling.git

diff --git a/src/MEDCoupling/MEDCouplingTimeLabel.hxx b/src/MEDCoupling/MEDCouplingTimeLabel.hxx
index 87280fd92..3da7bef0f 100644
--- a/src/MEDCoupling/MEDCouplingTimeLabel.hxx
+++ b/src/MEDCoupling/MEDCouplingTimeLabel.hxx
@@ -1,9 +1,9 @@
-// Copyright (C) 2007-2013  CEA/DEN, EDF R&D
+// Copyright (C) 2007-2020  CEA/DEN, EDF R&D
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
 // License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// version 2.1 of the License, or (at your option) any later version.
 //
 // This library is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -23,9 +23,10 @@
 
 #include "MEDCoupling.hxx"
 
+#include <atomic>
 #include <cstddef>
 
-namespace ParaMEDMEM
+namespace MEDCoupling
 {
   /*!
    * Class representing a label of time of the lastely modified part of this.
@@ -34,10 +35,11 @@ namespace ParaMEDMEM
   class TimeLabel
   {
   public:
+    MEDCOUPLING_EXPORT TimeLabel(const TimeLabel& other) = default;
     MEDCOUPLING_EXPORT TimeLabel& operator=(const TimeLabel& other);
     //! This method should be called when write access has been done on this.
     MEDCOUPLING_EXPORT void declareAsNew() const;
-    //! This method should be called on high level classes as Field or Mesh to take into acount modifications done in aggregates objects.
+    //! This method should be called on high level classes as Field or Mesh to take into account modifications done in aggregates objects.
     MEDCOUPLING_EXPORT virtual void updateTime() const = 0;
     MEDCOUPLING_EXPORT std::size_t getTimeOfThis() const { return _time; }
   protected:
@@ -46,9 +48,21 @@ namespace ParaMEDMEM
     MEDCOUPLING_EXPORT void updateTimeWith(const TimeLabel& other) const;
     MEDCOUPLING_EXPORT void forceTimeOfThis(const TimeLabel& other) const;
   private:
-    static std::size_t GLOBAL_TIME;
+    static std::atomic<std::size_t> GLOBAL_TIME;
     mutable std::size_t _time;
   };
+
+  class TimeLabelConstOverseer
+  {
+  public:
+    MEDCOUPLING_EXPORT TimeLabelConstOverseer(const TimeLabel *tl);
+    MEDCOUPLING_EXPORT void checkConst() const;
+    MEDCOUPLING_EXPORT bool resetState();
+    MEDCOUPLING_EXPORT bool keepTrackOfNewTL(const TimeLabel *tl);
+  private:
+    const TimeLabel *_tl;
+    std::size_t _ref_time;
+  };
 }
 
 #endif