Tempus_IntegratorObserver.hpp

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// @HEADER
// ****************************************************************************
//                Tempus: Copyright (2017) Sandia Corporation
//
// Distributed under BSD 3-clause license (See accompanying file Copyright.txt)
// ****************************************************************************
// @HEADER

#ifndef Tempus_IntegratorObserver_hpp
#define Tempus_IntegratorObserver_hpp

#include "Tempus_config.hpp"
#include "Tempus_TimeStepControl.hpp"

// Forward declarations
namespace Tempus {
  template<typename Scalar> class Integrator;
}

namespace Tempus {

template<class Scalar>
class IntegratorObserver
{
public:


    virtual void observeStartIntegrator(const Integrator<Scalar>& integrator) = 0;

    virtual void observeStartTimeStep(const Integrator<Scalar>& integrator) = 0;

    virtual void observeNextTimeStep(const Integrator<Scalar>& integrator) = 0;

    virtual void observeBeforeTakeStep(const Integrator<Scalar>& integrator) = 0;

    virtual void observeAfterTakeStep(const Integrator<Scalar>& integrator) = 0;

    virtual void observeAfterCheckTimeStep(const Integrator<Scalar>& integrator) = 0;

    virtual void observeEndTimeStep(const Integrator<Scalar>& integrator) = 0;

    virtual void observeEndIntegrator(const Integrator<Scalar>& integrator) = 0;

    virtual ~IntegratorObserver() = default;

};
} // namespace Tempus
#endif // Tempus_IntegratorObserver_hpp