PRMParameter.h

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/***************************************************************************
 *   Copyright (C) 2005 by Christophe GONZALES and Pierre-Henri WUILLEMIN  *
 *   {prenom.nom}_at_lip6.fr                                               *
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 *   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.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
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 *   Free Software Foundation, Inc.,                                       *
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 ***************************************************************************/
#ifndef GUM_PARAMETER_H
#define GUM_PARAMETER_H

#include <agrum/multidim/potential.h>

#include <agrum/PRM/elements/PRMType.h>
#include <agrum/PRM/elements/PRMClassElement.h>
#include <agrum/PRM/elements/PRMAttribute.h>


namespace gum {
  namespace prm {

    template < typename GUM_SCALAR >
    class PRMParameter : public PRMClassElement< GUM_SCALAR > {
      public:
      enum ParameterType { INT, REAL };

      // ========================================================================
      // ========================================================================

      PRMParameter(const std::string& name, ParameterType type, GUM_SCALAR value);

      virtual ~PRMParameter();

      // ========================================================================
      // ========================================================================

      virtual typename PRMClassElement< GUM_SCALAR >::ClassElementType
         elt_type() const;

      GUM_SCALAR value() const;

      void value(GUM_SCALAR value);

      ParameterType valueType() const;

      virtual PRMType& type();

      virtual const PRMType& type() const;

      virtual Potential< GUM_SCALAR >& cpf();

      virtual const Potential< GUM_SCALAR >& cpf() const;

      void addParent(const gum::prm::PRMClassElement< GUM_SCALAR >&);

      void addChild(const gum::prm::PRMClassElement< GUM_SCALAR >&);

      virtual PRMAttribute< GUM_SCALAR >* getCastDescendant() const;

      protected:
      PRMParameter(const PRMParameter< GUM_SCALAR >& source);

      PRMParameter< GUM_SCALAR >&
         operator=(const PRMParameter< GUM_SCALAR >& from);

      private:
      // ========================================================================
      // ========================================================================

      ParameterType __type;

      GUM_SCALAR __value;

    };


#ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
    extern template class PRMParameter< double >;
#endif


  } /* namespace prm */
}   // namespace gum

#include <agrum/PRM/elements/PRMParameter_tpl.h>

#endif /* GUM_PARAMETER_H */