/***************************************************************************
                          tnlTimeIndependentPDESolver.h  -  description
                             -------------------
    begin                : Jan 15, 2013
    copyright            : (C) 2013 by Tomas Oberhuber
    email                : tomas.oberhuber@fjfi.cvut.cz
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program 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 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#pragma once

#include <TNL/Object.h>
#include <TNL/Logger.h>
#include <TNL/Config/ConfigDescription.h>
#include <TNL/Config/ParameterContainer.h>
#include <TNL/Solvers/PDE/PDESolver.h>
#include <TNL/Problems/CommonData.h>


namespace TNL {
namespace Solvers {   
namespace PDE {

template< typename Problem,
          typename DiscreteSolver >
class TimeIndependentPDESolver : public PDESolver< typename Problem::RealType,
                                                   typename Problem::IndexType >
{
   public:

      typedef Problem ProblemType;
      typedef typename ProblemType::RealType RealType;
      typedef typename ProblemType::DeviceType DeviceType;
      typedef typename ProblemType::IndexType IndexType;
      typedef typename ProblemType::MeshType MeshType;
      typedef typename ProblemType::DofVectorType DofVectorType;
      typedef SharedPointer< MeshType, DeviceType > MeshPointer;
      typedef SharedPointer< DofVectorType, DeviceType > DofVectorPointer;
      typedef typename ProblemType::CommonDataType CommonDataType;
      typedef typename ProblemType::CommonDataPointer CommonDataPointer;


      TimeIndependentPDESolver();

      static void configSetup( Config::ConfigDescription& config,
                               const String& prefix = "" );

      bool setup( const Config::ParameterContainer& parameters,
                  const String& prefix = "" );

      bool writeProlog( Logger& logger,
                        const Config::ParameterContainer& parameters );


      void setProblem( ProblemType& problem );

      bool solve();

      bool writeEpilog( Logger& logger ) const;

   protected:

      MeshPointer mesh;
      
      CommonDataPointer commonDataPointer;

      DofVectorPointer dofs;

      DiscreteSolver discreteSolver;

      ProblemType* problem;
};


} // namespace PDE
} // namespace Solvers
} // namespace TNL

#include <TNL/Solvers/PDE/TimeIndependentPDESolver_impl.h>

