// @HEADER
//
// ***********************************************************************
//
//        MueLu: A package for multigrid based preconditioning
//                  Copyright 2012 Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
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// 2. Redistributions in binary form must reproduce the above copyright
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// Questions? Contact
//                    Jonathan Hu       (jhu@sandia.gov)
//                    Andrey Prokopenko (aprokop@sandia.gov)
//                    Ray Tuminaro      (rstumin@sandia.gov)
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// @HEADER
#ifndef MUELU_SINGLELEVELMATLABFACTORY_DECL_HPP
#define MUELU_SINGLELEVELMATLABFACTORY_DECL_HPP

#include <string>

#include <Xpetra_Matrix_fwd.hpp>
#include <Xpetra_CrsMatrix_fwd.hpp>
#include <Xpetra_MatrixFactory_fwd.hpp>
#include <Xpetra_Vector_fwd.hpp>
#include <Xpetra_VectorFactory_fwd.hpp>

#include "MueLu_ConfigDefs.hpp"
#include "MueLu_SingleLevelMatlabFactory_fwd.hpp"
#include "MueLu_FactoryBase_fwd.hpp"
#include "MueLu_Level_fwd.hpp"
#include "MueLu_PerfUtils_fwd.hpp"
#include "MueLu_SingleLevelFactoryBase.hpp"
#include "MueLu_Utilities_fwd.hpp"

#ifdef HAVE_MUELU_MATLAB
#include "mex.h"


namespace MueLu {
  /*!
    @class SingleLevelMatlabFactory
    @ingroup MueMexClasses 
    @brief Factory for interacting with Matlab
  */
  template <class Scalar = double, class LocalOrdinal = int, class GlobalOrdinal = LocalOrdinal, class Node = KokkosClassic::DefaultNode::DefaultNodeType>
  class SingleLevelMatlabFactory : public SingleLevelFactoryBase {
#undef MUELU_SINGLELEVELMATLABFACTORY_SHORT
#include "MueLu_UseShortNames.hpp"

  public:
    //! @name Constructors/Destructors.
    //@{

    SingleLevelMatlabFactory();

    virtual ~SingleLevelMatlabFactory() { }

    //@}

    //! @name Input
    //@{
    RCP<const ParameterList> GetValidParameterList() const;

    void DeclareInput(Level& currentLevel) const;

    //@}

    //! @name Build methods.
    //@{
    void Build(Level& currentLevel) const;
    //@}

    //! @ name Description
    //@{
    std::string description() const;
    //@}

  private:
    //@{

    mutable bool hasDeclaredInput_;

    //@}

    //@{

    //! List of arguments to the MATLAB function, in order.  These args must correspond to MueLu "Needs" objects.
    mutable std::vector<std::string> needs_;

    //@}

  }; //class SingleLevelMatlabFactory

} //namespace MueLu

#define MUELU_SINGLELEVELMATLABFACTORY_SHORT

#endif // HAVE_MUELU_MATLAB
#endif // MUELU SINGLELEVELMATLABFACTORY_DECL_HPP
