PRMInterface.h

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 *   Copyright (c) 2005-2026 by                                             *
 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
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 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
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#ifndef GUM_INTERFACE_H
#define GUM_INTERFACE_H
 
#include <set>
#include <string>
#include <utility>
 
#include <agrum/agrum.h>
 
#include <agrum/PRM/elements/PRMReferenceSlot.h>
#include <agrum/PRM/elements/PRMScalarAttribute.h>
 
#include <string_view>
 
namespace gum {
  namespace prm {
 
    template < GUM_Numeric GUM_SCALAR >
    class PRMClass;

    template < GUM_Numeric GUM_SCALAR >
    class PRMInterface: public PRMClassElementContainer< GUM_SCALAR > {
      // ========================================================================
      friend class PRMClass< GUM_SCALAR >;
      // ========================================================================
 
      public:
      // ========================================================================
      // ========================================================================

      explicit PRMInterface(std::string_view name);

      PRMInterface(std::string_view            name,
                   PRMInterface< GUM_SCALAR >& super,
                   bool                        delayInheritance = false);

      PRMInterface(const PRMInterface< GUM_SCALAR >& source);

      ~PRMInterface() override;

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

      typename PRMObject::prm_type obj_type() const override;

      PRMClassElement< GUM_SCALAR >& get(NodeId id) override;

      const PRMClassElement< GUM_SCALAR >& get(NodeId id) const override;

      void addArc(std::string_view tail, std::string_view head) override;

      // ========================================================================
      // ========================================================================
 
      bool isOutputNode(const PRMClassElement< GUM_SCALAR >& elt) const override;

      PRMClassElement< GUM_SCALAR >& get(std::string_view name) override;

      const PRMClassElement< GUM_SCALAR >& get(std::string_view name) const override;

      const Set< PRMAttribute< GUM_SCALAR >* >& attributes() const;

      const Set< PRMReferenceSlot< GUM_SCALAR >* >& referenceSlots() const;

      NodeId add(PRMClassElement< GUM_SCALAR >* elt) override;

      NodeId overload(PRMClassElement< GUM_SCALAR >* elt) override;

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

      bool isSubTypeOf(const PRMClassElementContainer< GUM_SCALAR >& cec) const override;

      PRMInterface< GUM_SCALAR >& super();

      const PRMInterface< GUM_SCALAR >& super() const;

      Set< PRMClass< GUM_SCALAR >* >& implementations();

      const Set< PRMClass< GUM_SCALAR >* >& implementations() const;

      void inheritInterface();

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

      PRMClassElement< GUM_SCALAR >& operator[](NodeId id) override;

      const PRMClassElement< GUM_SCALAR >& operator[](NodeId id) const override;

      PRMClassElement< GUM_SCALAR >& operator[](std::string_view name) override;

      const PRMClassElement< GUM_SCALAR >& operator[](std::string_view name) const override;

      // ========================================================================
      // ========================================================================
 
      using ClassEltIterator = typename NodeProperty< PRMClassElement< GUM_SCALAR >* >::iterator;
      ClassEltIterator        begin();
      const ClassEltIterator& end();
 
      using const_ClassEltIterator =
          typename NodeProperty< PRMClassElement< GUM_SCALAR >* >::const_iterator;
      const_ClassEltIterator        begin() const;
      const const_ClassEltIterator& end() const;

 
      protected:
      const DAG& dag_() const override;

      DAG& dag_() override;

      void findAllSubtypes_(Set< PRMClassElementContainer< GUM_SCALAR >* >& set) override;

      void updateDescendants_(const PRMClassElement< GUM_SCALAR >& elt) override;
 
      private:
      PRMInterface< GUM_SCALAR >& operator=(const PRMInterface< GUM_SCALAR >& source);

      void _inheritInterface_(const PRMInterface< GUM_SCALAR >& i);
 
      // ========================================================================
      // ========================================================================

      DAG _dag_;

      NodeProperty< PRMClassElement< GUM_SCALAR >* > _nodeIdMap_;

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

      HashTable< std::string, PRMClassElement< GUM_SCALAR >* > _nameMap_;

      Set< PRMAttribute< GUM_SCALAR >* > _attributes_;

      Set< PRMReferenceSlot< GUM_SCALAR >* > _referenceSlots_;

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

      PRMInterface< GUM_SCALAR >* _superInterface_;

      Set< PRMClass< GUM_SCALAR >* > _implementations_;

      void _addImplementation_(PRMClass< GUM_SCALAR >* c);

      Set< PRMInterface< GUM_SCALAR >* > _extensions_;

      void _addExtension_(PRMInterface< GUM_SCALAR >* c);
 
      bool _checkOverloadLegality_(const PRMClassElement< GUM_SCALAR >* overloaded,
                                   const PRMClassElement< GUM_SCALAR >* overloader);
 
      void _overloadAttribute_(PRMAttribute< GUM_SCALAR >* overloader,
                               PRMAttribute< GUM_SCALAR >* overloaded);
 
      void _overloadReferenceSlot_(PRMReferenceSlot< GUM_SCALAR >* overloader,
                                   PRMReferenceSlot< GUM_SCALAR >* overloaded);
 
      void _addCastDescendants_(PRMAttribute< GUM_SCALAR >* start, PRMAttribute< GUM_SCALAR >* end);

    };
 
 
#ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
    extern template class PRMInterface< double >;
#endif
 
 
  } /* namespace prm */
}   // namespace gum
 
#include <agrum/PRM/elements/PRMInterface_tpl.h>
 
#endif /* GUM_INTERFACE_H */