PRMScalarAttribute.h

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/***************************************************************************
 *   Copyright (C) 2005 by Christophe GONZALES and Pierre-Henri WUILLEMIN  *
 *   {prenom.nom}_at_lip6.fr                                               *
 *                                                                         *
 *   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.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifndef GUM_SCALAR_ATTRIBUTE_H
#define GUM_SCALAR_ATTRIBUTE_H

#include <agrum/agrum.h>
#include <agrum/core/bijection.h>
#include <agrum/multidim/potential.h>
#include <agrum/PRM/elements/PRMAttribute.h>


namespace gum {
  namespace prm {

    template < typename GUM_SCALAR >
    class PRMScalarAttribute : public PRMAttribute< GUM_SCALAR > {
      public:
      // ========================================================================
      // ========================================================================

      PRMScalarAttribute(const std::string&                    name,
                         const PRMType&                        type,
                         MultiDimImplementation< GUM_SCALAR >* impl =
                            new MultiDimArray< GUM_SCALAR >());

      virtual ~PRMScalarAttribute();

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

      virtual PRMAttribute< GUM_SCALAR >*
                                          newFactory(const PRMClass< GUM_SCALAR >& c) const;
      virtual PRMAttribute< GUM_SCALAR >* copy(
         Bijection< const DiscreteVariable*, const DiscreteVariable* > bij) const;

      virtual void copyCpf(
         const Bijection< const DiscreteVariable*, const DiscreteVariable* >& bif,
         const PRMAttribute< GUM_SCALAR >& source);

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

      virtual PRMType& type();

      virtual const PRMType& type() const;

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

      virtual void addParent(const PRMClassElement< GUM_SCALAR >& elt);

      virtual void addChild(const PRMClassElement< GUM_SCALAR >& elt);

      virtual PRMAttribute< GUM_SCALAR >* getCastDescendant() const;
      virtual void setAsCastDescendant(PRMAttribute< GUM_SCALAR >* attr);
      virtual void becomeCastDescendant(PRMType& subtype);

      virtual void swap(const PRMType& old_type, const PRMType& new_type);

      protected:
      PRMScalarAttribute(const PRMScalarAttribute& source);

      PRMScalarAttribute& operator=(const PRMScalarAttribute& from);

      virtual PRMType* _type();
      virtual void     _type(PRMType* t);

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

      PRMType* __type;

      Potential< GUM_SCALAR >* __cpf;

    };


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


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

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

#endif /* GUM_SCALAR_ATTRIBUTE_H */