classDependencyGraph.h

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 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
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#ifndef GUM_CLASS_DEPENDENCY_GRAPH_H
#define GUM_CLASS_DEPENDENCY_GRAPH_H
 
#include <agrum/PRM/PRM.h>
 
namespace gum {
  namespace prm {

    template < GUM_Numeric GUM_SCALAR >
    class ClassDependencyGraph {
      public:
      using EltPair = std::pair< const PRMClassElementContainer< GUM_SCALAR >*,
                                 const PRMClassElement< GUM_SCALAR >* >;
 
      // ========================================================================
      // ========================================================================

      ClassDependencyGraph(const PRM< GUM_SCALAR >& prm);

      ClassDependencyGraph(const ClassDependencyGraph< GUM_SCALAR >& source);

      ~ClassDependencyGraph();

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

      const DAG& internalDag() const;

      const EltPair& get(NodeId id) const;

      NodeId get(const PRMClassElementContainer< GUM_SCALAR >& c,
                 const PRMClassElement< GUM_SCALAR >&          elt) const;

      const NodeProperty< Size >& modalities() const;

 
      private:
      void _buildGraph_(const PRM< GUM_SCALAR >& prm);

      void _addNode_(const PRMClassElementContainer< GUM_SCALAR >* c,
                     const PRMClassElement< GUM_SCALAR >&          elt);

      void _addArcs_(const PRMClassElementContainer< GUM_SCALAR >&              c,
                     NodeId                                                     node,
                     HashTable< const PRMClassElement< GUM_SCALAR >*, NodeId >& map);

      DAG _graph_;

      NodeProperty< Size > _modalitites_;

      NodeProperty< EltPair* > _elt_map_;

      using NodeMap = HashTable< const PRMClassElementContainer< GUM_SCALAR >*,
                                 HashTable< const PRMClassElement< GUM_SCALAR >*, NodeId >* >;

      NodeMap _node_map_;
    };
 
 
#ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
    extern template class ClassDependencyGraph< double >;
#endif
 
  } /* namespace prm */
} /* namespace gum */
 
#include <agrum/PRM/classDependencyGraph_tpl.h>
 
#endif /* GUM_CLASS_DEPENDENCY_GRAPH_H */