PRMSystem.h

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 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
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#ifndef GUM_SYSTEM_H
#define GUM_SYSTEM_H
 
#include <string>
#include <utility>
 
#include <agrum/base/variables/integerVariable.h>
#include <agrum/BN/BayesNetFactory.h>
#include <agrum/PRM/elements/PRMInstance.h>
 
#include <string_view>
 
namespace gum {
  namespace prm {

    template < GUM_Numeric GUM_SCALAR >
    class PRMSystem: public PRMObject {
      public:
      // ========================================================================
      // ========================================================================

      explicit PRMSystem(std::string_view name);

      ~PRMSystem() override;

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

      const DiGraph& skeleton() const;

      PRMInstance< GUM_SCALAR >& get(NodeId id);

      const PRMInstance< GUM_SCALAR >& get(NodeId id) const;
 
      NodeId get(const PRMInstance< GUM_SCALAR >& i) const;

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

      PRMObject::prm_type obj_type() const override;

      Size size() const;

      bool exists(std::string_view name) const;

      bool isInstantiated(const PRMClass< GUM_SCALAR >& c) const;

      bool isInstance(std::string_view name) const;

      bool isArray(std::string_view name) const;

      void groundedBN(BayesNetFactory< GUM_SCALAR >& factory) const;

      void instantiate();

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

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

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

      const Set< PRMInstance< GUM_SCALAR >* >& get(const PRMClass< GUM_SCALAR >& type) const;

      NodeId add(PRMInstance< GUM_SCALAR >* i);

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

      const Sequence< PRMInstance< GUM_SCALAR >* >& getArray(std::string_view name) const;

      PRMClassElementContainer< GUM_SCALAR >& getArrayType(std::string_view name);

      const PRMClassElementContainer< GUM_SCALAR >& getArrayType(std::string_view name) const;

      NodeId add(std::string_view array, PRMInstance< GUM_SCALAR >* i);

      NodeId add(std::string_view array, PRMInstance< GUM_SCALAR >& i);

      void addArray(std::string_view array, PRMClassElementContainer< GUM_SCALAR >& type);

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

      using iterator = typename NodeProperty< PRMInstance< GUM_SCALAR >* >::iterator;

      iterator begin();

      const iterator& end();

      using const_iterator = typename NodeProperty< PRMInstance< GUM_SCALAR >* >::const_iterator;

      const_iterator begin() const;

      const const_iterator& end() const;

      using array_iterator = typename Sequence< PRMInstance< GUM_SCALAR >* >::iterator;

      array_iterator begin(std::string_view a);

      const array_iterator& end(std::string_view a);

      using const_array_iterator = typename Sequence< PRMInstance< GUM_SCALAR >* >::const_iterator;

      const_array_iterator begin(std::string_view a) const;

      const const_array_iterator& end(std::string_view a) const;

 
      protected:
      PRMSystem(const PRMSystem< GUM_SCALAR >& from);

      PRMSystem< GUM_SCALAR >& operator=(const PRMSystem< GUM_SCALAR >& from) = delete;
 
      // ========================================================================
      // ========================================================================

      DiGraph skeleton_;

      NodeProperty< PRMInstance< GUM_SCALAR >* > nodeIdMap_;

      HashTable< std::string, PRMInstance< GUM_SCALAR >* > nameMap_;

      HashTable< PRMClass< GUM_SCALAR >*, Set< PRMInstance< GUM_SCALAR >* >* > instanceMap_;

      using model_pair = std::pair< PRMClassElementContainer< GUM_SCALAR >*,
                                    Sequence< PRMInstance< GUM_SCALAR >* >* >;

      HashTable< std::string, model_pair > arrayMap_;

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

      void _groundRef_(const PRMInstance< GUM_SCALAR >& instance,
                       BayesNetFactory< GUM_SCALAR >&   factory) const;

      void _groundAttr_(const PRMInstance< GUM_SCALAR >& instance,
                        BayesNetFactory< GUM_SCALAR >&   factory) const;

      void _groundTensor_(const PRMInstance< GUM_SCALAR >&  instance,
                          const PRMAttribute< GUM_SCALAR >& attr,
                          BayesNetFactory< GUM_SCALAR >&    factory) const;

      void _groundAgg_(const PRMClassElement< GUM_SCALAR >& elt,
                       std::string_view                     name,
                       BayesNetFactory< GUM_SCALAR >&       factory) const;
    };
 
 
#ifndef GUM_NO_EXTERN_TEMPLATE_CLASS
    extern template class PRMSystem< double >;
#endif
 
 
  } /* namespace prm */
 
} /* namespace gum */
 
#include <agrum/PRM/elements/PRMSystem_tpl.h>
 
#endif   // GUM_SYSTEM_H