133 lines
3.4 KiB
C++
133 lines
3.4 KiB
C++
/*
|
|
<moTimeContinuator.h>
|
|
Copyright (C) DOLPHIN Project-Team, INRIA Lille - Nord Europe, 2006-2010
|
|
|
|
Sébastien Verel, Arnaud Liefooghe, Jérémie Humeau
|
|
|
|
This software is governed by the CeCILL license under French law and
|
|
abiding by the rules of distribution of free software. You can ue,
|
|
modify and/ or redistribute the software under the terms of the CeCILL
|
|
license as circulated by CEA, CNRS and INRIA at the following URL
|
|
"http://www.cecill.info".
|
|
|
|
In this respect, the user's attention is drawn to the risks associated
|
|
with loading, using, modifying and/or developing or reproducing the
|
|
software by the user in light of its specific status of free software,
|
|
that may mean that it is complicated to manipulate, and that also
|
|
therefore means that it is reserved for developers and experienced
|
|
professionals having in-depth computer knowledge. Users are therefore
|
|
encouraged to load and test the software's suitability as regards their
|
|
requirements in conditions enabling the security of their systems and/or
|
|
data to be ensured and, more generally, to use and operate it in the
|
|
same conditions as regards security.
|
|
The fact that you are presently reading this means that you have had
|
|
knowledge of the CeCILL license and that you accept its terms.
|
|
|
|
ParadisEO WebSite : http://paradiseo.gforge.inria.fr
|
|
Contact: paradiseo-help@lists.gforge.inria.fr
|
|
*/
|
|
|
|
#ifndef _moTimeContinuator_h
|
|
#define _moTimeContinuator_h
|
|
|
|
#include <ctime>
|
|
|
|
#include <continuator/moContinuator.h>
|
|
|
|
/**
|
|
* Termination condition until a running time is reached.
|
|
*/
|
|
template < class Neighbor >
|
|
class moTimeContinuator: public moContinuator<Neighbor>
|
|
{
|
|
public:
|
|
|
|
typedef typename Neighbor::EOT EOT;
|
|
|
|
/**
|
|
* Constructor
|
|
* @param _max maximum running time (in second)
|
|
* @param _verbose verbose mode true/false -> on/off
|
|
*/
|
|
moTimeContinuator(time_t _max, bool _verbose = true): max(_max), verbose(_verbose) {
|
|
external = false;
|
|
start = time(NULL);
|
|
}
|
|
|
|
|
|
/**
|
|
* Synchronize the whole time with an external starting time
|
|
* @param _externalStart external starting time
|
|
*/
|
|
virtual void setStartingTime(time_t _externalStart) {
|
|
external = true;
|
|
start = _externalStart;
|
|
}
|
|
|
|
|
|
/**
|
|
* To get the starting time
|
|
* @return starting time
|
|
*/
|
|
virtual time_t getStartingTime() {
|
|
return start;
|
|
}
|
|
|
|
|
|
/**
|
|
* To set the maximum running time
|
|
*
|
|
* @param _maxTime maximum running time
|
|
*/
|
|
virtual void maxTime(time_t _maxTime) {
|
|
max = _maxTime;
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns false when the running time is reached.
|
|
* @param _sol the current solution
|
|
*/
|
|
virtual bool operator() (EOT& /*_sol*/)
|
|
{
|
|
bool res;
|
|
time_t elapsed = (time_t) difftime(time(NULL), start);
|
|
res = (elapsed < max);
|
|
if (!res && verbose)
|
|
std::cout << "STOP in moTimeContinuator: Reached maximum time [" << elapsed << "/" << max << "]" << std::endl;
|
|
return res;
|
|
}
|
|
|
|
/**
|
|
* reset the start time
|
|
* @param _solution a solution
|
|
*/
|
|
virtual void init(EOT & /*_solution*/) {
|
|
if (!external)
|
|
start = time(NULL);
|
|
}
|
|
|
|
|
|
/**
|
|
* Class name
|
|
*/
|
|
virtual std::string className(void) const
|
|
{
|
|
return "moTimeContinuator";
|
|
}
|
|
|
|
|
|
private:
|
|
|
|
/** maximum running time */
|
|
time_t max;
|
|
/** starting time */
|
|
time_t start;
|
|
/** external start flag */
|
|
bool external;
|
|
/** verbose mode */
|
|
bool verbose;
|
|
|
|
};
|
|
|
|
#endif
|