X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FMEDCoupling%2FMEDCouplingTimeLabel.cxx;h=66b495b8c32f050269dd0fe925514e42fe85a9bd;hb=30e370a928f879a1c9be2bd685cda6cabec223cf;hp=e91f08a4e76f546428a2c0ec830194b4edce0ee3;hpb=10f37bf6f33a762626d7f1093b2f5450c1688667;p=tools%2Fmedcoupling.git

diff --git a/src/MEDCoupling/MEDCouplingTimeLabel.cxx b/src/MEDCoupling/MEDCouplingTimeLabel.cxx
index e91f08a4e..66b495b8c 100644
--- a/src/MEDCoupling/MEDCouplingTimeLabel.cxx
+++ b/src/MEDCoupling/MEDCouplingTimeLabel.cxx
@@ -1,9 +1,9 @@
-// Copyright (C) 2007-2012  CEA/DEN, EDF R&D
+// Copyright (C) 2007-2014  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
@@ -16,12 +16,17 @@
 //
 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
 //
+// Author : Anthony Geay (CEA/DEN)
 
 #include "MEDCouplingTimeLabel.hxx"
 
+#include "InterpKernelException.hxx"
+
+#include <limits>
+
 using namespace ParaMEDMEM;
 
-unsigned int TimeLabel::GLOBAL_TIME=0;
+std::size_t TimeLabel::GLOBAL_TIME=0;
 
 TimeLabel::TimeLabel():_time(GLOBAL_TIME++)
 {
@@ -47,3 +52,61 @@ void TimeLabel::updateTimeWith(const TimeLabel& other) const
   if(_time<other._time)
     _time=other._time;
 }
+
+/*!
+ * This method has to be called with a lot of care. It set agressively the time in this with the
+ * time in \a other.
+ */
+void TimeLabel::forceTimeOfThis(const TimeLabel& other) const
+{
+  _time=other._time;
+}
+
+TimeLabelConstOverseer::TimeLabelConstOverseer(const TimeLabel *tl):_tl(tl),_ref_time(std::numeric_limits<std::size_t>::max())
+{
+  if(!_tl)
+    throw INTERP_KERNEL::Exception("TimeLabelConstOverseer constructor : input instance must be not NULL !");
+  _tl->updateTime();
+  _ref_time=tl->getTimeOfThis();
+}
+
+/*!
+ * This method checks that the tracked instance is not NULL and if not NULL that its internal state has not changed.
+ */
+void TimeLabelConstOverseer::checkConst() const
+{
+  if(!_tl)
+    throw INTERP_KERNEL::Exception("TimeLabelConstOverseer::checkConst : NULL tracked instance !");
+  _tl->updateTime();
+  if(_ref_time!=_tl->getTimeOfThis())
+    throw INTERP_KERNEL::Exception("TimeLabelConstOverseer::checkConst : the state of the controlled instance of TimeLable has changed !");
+}
+
+bool TimeLabelConstOverseer::resetState()
+{
+  if(_tl)
+    {
+      _tl->updateTime();
+      _ref_time=_tl->getTimeOfThis();
+      return true;
+    }
+  else
+    return false;
+}
+
+bool TimeLabelConstOverseer::keepTrackOfNewTL(const TimeLabel *tl)
+{
+  if(_tl==tl)
+    return false;
+  _tl=tl;
+  if(_tl)
+    {
+      _tl->updateTime();
+      _ref_time=_tl->getTimeOfThis();
+    }
+  else
+    {
+      _ref_time=std::numeric_limits<std::size_t>::max();
+    }
+  return true;
+}