Finalized Checkpointing, see t-eoCheckpointing for a test

eo/src/utils/eoUpdater.h

@@ -0,0 +1,106 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+//-----------------------------------------------------------------------------
+// eoUpdater.h
+// (c) Maarten Keijzer, Marc Schoenauer and GeNeura Team, 2000
+/* 
+    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 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
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    Contact: todos@geneura.ugr.es, http://geneura.ugr.es
+             Marc.Schoenauer@polytechnique.fr
+             mkeijzer@dhi.dk
+ */
+//-----------------------------------------------------------------------------
+
+#ifndef _eoUpdater_h
+#define _eoUpdater_h
+
+/**
+    eoUpdater is a generic procudere for updating whatever you want.
+    It is about as abstract as you can get.
+*/
+class eoUpdater
+{
+public :
+    /// virtual classes have virtual dtors
+    virtual ~eoUpdater(void) {}
+    
+    /**
+        does the work, what it is is quite undefined
+    */
+    virtual void operator()(void) = 0;
+};
+
+/**
+*/
+template <class T>
+class eoIncrementor : public eoUpdater
+{public :   
+    eoIncrementor(T& _counter, T _stepsize = 1) : counter(_counter), stepsize(_stepsize) {}
+
+    virtual void operator()()
+    {
+        counter += stepsize;
+    }
+
+private:
+    T& counter;
+    T stepsize;
+};
+
+#include <time.h>
+
+/**
+*/
+class eoTimedStateSaver : public eoUpdater
+{
+public :
+    eoTimedStateSaver(time_t _interval, const eoState& _state, std::string _prefix = "state", std::string _extension = "sav") : state(_state), 
+        interval(_interval), last_time(time(0)), first_time(time(0)),
+    prefix(_prefix), extension(_extension) {}
+
+    void operator()(void);
+
+private :
+    const eoState& state;
+
+    const time_t interval;
+    time_t last_time;
+    const time_t first_time;
+    const std::string prefix;
+    const std::string extension;
+};
+
+/**
+*/
+class eoCountedStateSaver : public eoUpdater
+{
+public :
+    eoCountedStateSaver(unsigned _interval, const eoState& _state, std::string _prefix = "state", std::string _extension = "sav") 
+        : state(_state), interval(_interval), counter(0),
+    prefix(_prefix), extension(_extension) {}
+
+    void operator()(void);
+
+private :
+    const eoState& state;
+    const unsigned interval;
+    unsigned counter;
+    
+    const std::string prefix;
+    const std::string extension;
+};
+
+#endif