structuredBayesBall.h

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 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
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#include <sstream>
#include <string>
#include <utility>
 
#include <agrum/PRM/inference/PRMInference.h>
 
#include <string_view>
 
#ifndef GUM_STRUCTURED_BB_H
#  define GUM_STRUCTURED_BB_H
 
namespace gum {
  namespace prm {

    template < GUM_Numeric GUM_SCALAR >
    class StructuredBayesBall {
      public:
      // ========================================================================
      // ========================================================================

      StructuredBayesBall(const PRMInference< GUM_SCALAR >& inference);

      ~StructuredBayesBall();

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

      const std::string& key(const PRMInstance< GUM_SCALAR >* i) const;

      const std::string& key(const PRMInstance< GUM_SCALAR >& i) const;

      const Set< NodeId >& requisiteNodes(const PRMInstance< GUM_SCALAR >* i) const;

      const Set< NodeId >& requisiteNodes(const PRMInstance< GUM_SCALAR >& i) const;

      Size occurrence(std::string_view key) const;

      float liftRatio() const;

      bool exists(const PRMInstance< GUM_SCALAR >* i) const;

      bool exists(const PRMInstance< GUM_SCALAR >& i) const;


      void compute(const PRMInstance< GUM_SCALAR >* i, NodeId n);

      void compute(const PRMInstance< GUM_SCALAR >& i, NodeId n);

      bool _isHardEvidence_(const PRMInstance< GUM_SCALAR >* i, NodeId n);
 
      private:
      StructuredBayesBall(const StructuredBayesBall& source);

      StructuredBayesBall& operator=(const StructuredBayesBall& source);

      using MarkMap     = HashTable< NodeId, std::pair< bool, bool > >;
      using InstanceMap = HashTable< const PRMInstance< GUM_SCALAR >*, MarkMap* >;

      std::pair< bool, bool >&
          _getMark_(InstanceMap& marks, const PRMInstance< GUM_SCALAR >* i, NodeId n);
      const PRMSlotChain< GUM_SCALAR >& _getSC_(const PRMInstance< GUM_SCALAR >* i, NodeId n);

      void _clean_();

      void _compute_(const PRMInstance< GUM_SCALAR >* i, NodeId n);

      void _fromChild_(const PRMInstance< GUM_SCALAR >* i, NodeId n, InstanceMap& marks);

      void _fromParent_(const PRMInstance< GUM_SCALAR >* i, NodeId n, InstanceMap& marks);

      void _fillMaps_(InstanceMap& marks);

      std::string _buildHashKey_(const PRMInstance< GUM_SCALAR >* i, Set< NodeId >& req_nodes);

      const PRMInference< GUM_SCALAR >* _inf_;

      HashTable< const PRMInstance< GUM_SCALAR >*, std::pair< std::string, Set< NodeId >* > >
          _keyMap_;

      HashTable< std::string, std::pair< Set< NodeId >*, Size > > _reqMap_;
    };
 
 
#  ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
    extern template class StructuredBayesBall< double >;
#  endif
 
 
  } /* namespace prm */
} /* namespace gum */
 
#  include <agrum/PRM/inference/structuredBayesBall_tpl.h>
 
#endif /* GUM_STRUCTURED_BB_H */