opm-simulators/opm/simulators/timestepping/SimulatorTimerInterface.hpp
2017-07-20 12:11:11 +02:00

118 lines
4.4 KiB
C++

/*
Copyright (c) 2014 IRIS AS
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OPM 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OPM_SIMULATORTIMERINTERFACE_HEADER_INCLUDED
#define OPM_SIMULATORTIMERINTERFACE_HEADER_INCLUDED
#include <memory>
#include <boost/date_time/gregorian/gregorian.hpp>
#include <boost/date_time/posix_time/posix_time_types.hpp>
#include <boost/date_time/posix_time/conversion.hpp>
namespace Opm
{
class ParameterGroup;
/// Interface class for SimulatorTimer objects, to be improved.
class SimulatorTimerInterface
{
protected:
/// Default constructor, protected to not allow explicit instances of this class.
SimulatorTimerInterface() {}
public:
/// destructor
virtual ~SimulatorTimerInterface() {}
/// Current step number. This is the number of timesteps that
/// has been completed from the start of the run. The time
/// after initialization but before the simulation has started
/// is timestep number zero.
virtual int currentStepNum() const = 0;
/// Current report step number. This might differ from currentStepNum in case of sub stepping
virtual int reportStepNum() const { return currentStepNum(); }
/// Current step length. This is the length of the step
/// the simulator will take in the next iteration.
///
/// @note if done(), it is an error to call currentStepLength().
virtual double currentStepLength() const = 0;
/// Previous step length. This is the length of the step that
/// was taken to arrive at this time.
///
/// @note if no increments have been done (i.e. the timer is
/// still in its constructed state and currentStepNum() == 0),
/// it is an error to call stepLengthTaken().
virtual double stepLengthTaken () const = 0;
/// Previous report step length. This is the length of the step that
/// was taken to arrive at this report step time.
///
/// @note if no increments have been done (i.e. the timer is
/// still in its constructed state and reportStepNum() == 0),
/// it is an error to call stepLengthTaken().
virtual double reportStepLengthTaken () const { return stepLengthTaken(); }
/// Time elapsed since the start of the simulation until the
/// beginning of the current time step [s].
virtual double simulationTimeElapsed() const = 0;
/// advance time by currentStepLength
virtual void advance() = 0 ;
/// Return true if timer indicates that simulation of timer interval is finished
virtual bool done() const = 0;
/// Whether the current step is the first step.
virtual bool initialStep() const = 0;
/// Return start date of simulation
virtual boost::posix_time::ptime startDateTime() const = 0;
/// Return the current time as a posix time object.
virtual boost::posix_time::ptime currentDateTime() const
{
return startDateTime() + boost::posix_time::seconds( (int) simulationTimeElapsed());
//boost::posix_time::ptime(startDate()) + boost::posix_time::seconds( (int) simulationTimeElapsed());
}
/// Time elapsed since the start of the POSIX epoch (Jan 1st,
/// 1970) until the current time step begins [s].
virtual time_t currentPosixTime() const
{
tm t = boost::posix_time::to_tm(currentDateTime());
return std::mktime(&t);
}
/// Return true if last time step failed
virtual bool lastStepFailed() const = 0;
/// return copy of current timer instance
virtual std::unique_ptr< SimulatorTimerInterface > clone () const = 0;
};
} // namespace Opm
#endif // OPM_SIMULATORTIMER_HEADER_INCLUDED