DBTranslator4DiscretizedVariable.h

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/***************************************************************************
 *   Copyright (C) 2005 by Pierre-Henri WUILLEMIN et Christophe GONZALES   *
 *   {prenom.nom}_at_lip6.fr                                               *
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#ifndef GUM_LEARNING_DB_TRANSLATOR_4_DISCRETIZED_VARIABLE_H
#define GUM_LEARNING_DB_TRANSLATOR_4_DISCRETIZED_VARIABLE_H

#include <agrum/agrum.h>
#include <agrum/learning/database/DBTranslator.h>
#include <agrum/variables/discretizedVariable.h>


namespace gum {

  namespace learning {


    template < template < typename > class ALLOC = std::allocator >
    class DBTranslator4DiscretizedVariable : public DBTranslator< ALLOC > {
      public:
      using allocator_type = typename DBTranslator< ALLOC >::allocator_type;


      // ##########################################################################
      // ##########################################################################



      template < typename GUM_SCALAR, template < typename > class XALLOC >
      DBTranslator4DiscretizedVariable(
         const DiscretizedVariable< GUM_SCALAR >&                 var,
         const std::vector< std::string, XALLOC< std::string > >& missing_symbols,
         std::size_t max_dico_entries = std::numeric_limits< std::size_t >::max(),
         const allocator_type& alloc = allocator_type());

      template < typename GUM_SCALAR >
      DBTranslator4DiscretizedVariable(
         const DiscretizedVariable< GUM_SCALAR >& var,
         std::size_t max_dico_entries = std::numeric_limits< std::size_t >::max(),
         const allocator_type& alloc = allocator_type());


      template < template < typename > class XALLOC >
      DBTranslator4DiscretizedVariable(
         const IDiscretizedVariable&                              var,
         const std::vector< std::string, XALLOC< std::string > >& missing_symbols,
         std::size_t max_dico_entries = std::numeric_limits< std::size_t >::max(),
         const allocator_type& alloc = allocator_type());

      DBTranslator4DiscretizedVariable(
         const IDiscretizedVariable& var,
         std::size_t max_dico_entries = std::numeric_limits< std::size_t >::max(),
         const allocator_type& alloc = allocator_type());

      DBTranslator4DiscretizedVariable(
         const DBTranslator4DiscretizedVariable< ALLOC >& from);

      DBTranslator4DiscretizedVariable(
         const DBTranslator4DiscretizedVariable< ALLOC >& from,
         const allocator_type&                            alloc);

      DBTranslator4DiscretizedVariable(
         DBTranslator4DiscretizedVariable< ALLOC >&& from);

      DBTranslator4DiscretizedVariable(
         DBTranslator4DiscretizedVariable< ALLOC >&& from,
         const allocator_type&                       alloc);

      virtual DBTranslator4DiscretizedVariable< ALLOC >* clone() const;

      virtual DBTranslator4DiscretizedVariable< ALLOC >*
         clone(const allocator_type& alloc) const;

      virtual ~DBTranslator4DiscretizedVariable();



      // ##########################################################################
      // ##########################################################################


      DBTranslator4DiscretizedVariable< ALLOC >&
         operator=(const DBTranslator4DiscretizedVariable< ALLOC >& from);

      DBTranslator4DiscretizedVariable< ALLOC >&
         operator=(DBTranslator4DiscretizedVariable< ALLOC >&& from);



      // ##########################################################################
      // ##########################################################################



      virtual DBTranslatedValue translate(const std::string& str) final;


      virtual std::string
         translateBack(const DBTranslatedValue translated_val) const final;


      virtual std::size_t domainSize() const final;

      virtual bool hasEditableDictionary() const final;

      virtual void setEditableDictionaryMode(bool new_mode) final;

      virtual bool needsReordering() const final;

      virtual HashTable< std::size_t,
                         std::size_t,
                         ALLOC< std::pair< std::size_t, std::size_t > > >
         reorder() final;

      virtual const IDiscretizedVariable* variable() const final;

      virtual DBTranslatedValue missingValue() const final;



#ifndef DOXYGEN_SHOULD_SKIP_THIS

      private:
      // the DiscretizedVariable used for translations
      DiscretizedVariable< float > __variable;

      // the DiscretizedVariable returned by method variable ()
      // We must return a IDiscretizedVariable because the user may have
      // saved into the translator a DiscretizedVariable<X>, with X != float
      IDiscretizedVariable* __real_variable;

#endif /* DOXYGEN_SHOULD_SKIP_THIS */
    };


  } /* namespace learning */

} /* namespace gum */


// always include the template implementation
#include <agrum/learning/database/DBTranslator4DiscretizedVariable_tpl.h>

#endif /* GUM_LEARNING_DB_TRANSLATOR_4_DISCRETIZED_VARIABLE_H */