Tempus_IntegratorObserverComposite_decl.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_IntegratorObserverComposite_decl_hpp
#define Tempus_IntegratorObserverComposite_decl_hpp
 
#include "Tempus_IntegratorObserver.hpp"
#include "Tempus_TimeStepControl.hpp"
#include <vector>
 
namespace Tempus {
 
/** \brief This observer is a composite observer,
 *
 *  which takes other IntegratorObservers and sequentially calls each
 *  individual observer function.
 */
template<class Scalar>
class IntegratorObserverComposite
  : virtual public Tempus::IntegratorObserver<Scalar>
{
public:
 
  /// Default constructor
  IntegratorObserverComposite();
 
  /// Destructor
  virtual ~IntegratorObserverComposite();
 
  /// \name Override IntegratorObserver basic methods
  //@{
    /// Observe the beginning of the time integrator.
    virtual void observeStartIntegrator(const Integrator<Scalar>& integrator) override;
 
    /// Observe the beginning of the time step loop.
    virtual void observeStartTimeStep(const Integrator<Scalar>& integrator) override;
 
    /// Observe after the next time step size is selected.
    virtual void observeNextTimeStep(const Integrator<Scalar>& integrator) override;
 
    /// Observe before Stepper takes step.
    virtual void observeBeforeTakeStep(const Integrator<Scalar>& integrator) override;
 
    /// Observe after Stepper takes step.
    virtual void observeAfterTakeStep(const Integrator<Scalar>& integrator) override;
 
    /// Observe after checking time step.
    virtual void observeAfterCheckTimeStep(const Integrator<Scalar>& integrator) override;
 
    /// Observe the end of the time step loop.
    virtual void observeEndTimeStep(const Integrator<Scalar>& integrator) override;
 
    /// Observe the end of the time integrator.
    virtual void observeEndIntegrator(const Integrator<Scalar>& integrator) override;
 
    // add observer to the composite observer list
    void addObserver(const Teuchos::RCP<IntegratorObserver<Scalar> > &observer);
 
    // clear all observer from the composite observer list
    void clearObservers();
  //@}
 
private:
 
  std::vector<Teuchos::RCP<IntegratorObserver<Scalar > > > observers_;
 
};
 
} // namespace Tempus
#endif // Tempus_IntegratorObserverComposite_decl_hpp