Tempus_StepperBDF2ObserverBase.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_StepperBDF2ObserverBase_hpp
#define Tempus_StepperBDF2ObserverBase_hpp

#include "Tempus_config.hpp"
#include "Tempus_SolutionHistory.hpp"
#include "Tempus_StepperBDF2AppAction.hpp"


namespace Tempus {

template<class Scalar>
class StepperBDF2ObserverBase
  : virtual public Tempus::StepperBDF2AppAction<Scalar>
{
private:

  /* \brief Adaptor execute function
   *
   *  This is an adaptor function to bridge between the AppAction
   *  interface and this derived interface.  It is meant to be private
   *  and non-virtual as deriving from this class should only need to
   *  implement the observe function.
   *
   *  For the Observer interface, this adaptor simply "applies" constantness
   *  to the arguments.
   */
  void execute(
    Teuchos::RCP<SolutionHistory<Scalar> > sh,
    Teuchos::RCP<StepperBDF2<Scalar> > stepper,
    const typename StepperBDF2AppAction<Scalar>::ACTION_LOCATION actLoc)
  { this->observe(sh, stepper, actLoc); }

public:

  virtual void observe(
    Teuchos::RCP<const SolutionHistory<Scalar> > /* sh */,
    Teuchos::RCP<const StepperBDF2<Scalar> > /* stepper */,
    const typename StepperBDF2AppAction<Scalar>::ACTION_LOCATION actLoc) = 0;

};

} // namespace Tempus

#endif // Tempus_StepperBDF2ObserverBase_hpp