DBTranslator4ContinuousVariable.h

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#ifndef GUM_LEARNING_DB_TRANSLATOR_4_CONTINUOUS_VARIABLE_H
#define GUM_LEARNING_DB_TRANSLATOR_4_CONTINUOUS_VARIABLE_H
 
#include <string>
 
#include <agrum/agrum.h>
 
#include <agrum/base/database/DBTranslator.h>
#include <agrum/base/variables/continuousVariable.h>
 
namespace gum {
 
  namespace learning {
 

    class DBTranslator4ContinuousVariable final: public DBTranslator {
      public:
      // ##########################################################################
      // ##########################################################################



      DBTranslator4ContinuousVariable(const std::vector< std::string >& missing_symbols,
                                      const bool                        fit_range = false);


      DBTranslator4ContinuousVariable(const bool fit_range = false);


      template < GUM_Numeric GUM_SCALAR >
      DBTranslator4ContinuousVariable(const ContinuousVariable< GUM_SCALAR >& var,
                                      const std::vector< std::string >&       missing_symbols,
                                      const bool                              fit_range = false);

      template < GUM_Numeric GUM_SCALAR >
      DBTranslator4ContinuousVariable(const ContinuousVariable< GUM_SCALAR >& var,
                                      const bool                              fit_range = false);


      DBTranslator4ContinuousVariable(const IContinuousVariable&        var,
                                      const std::vector< std::string >& missing_symbols,
                                      const bool                        fit_range = false);

      DBTranslator4ContinuousVariable(const IContinuousVariable& var, const bool fit_range = false);

      DBTranslator4ContinuousVariable(const DBTranslator4ContinuousVariable& from);

      DBTranslator4ContinuousVariable(DBTranslator4ContinuousVariable&& from);

      [[nodiscard]] DBTranslator4ContinuousVariable* clone() const override;

      ~DBTranslator4ContinuousVariable() override;

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


      DBTranslator4ContinuousVariable& operator=(const DBTranslator4ContinuousVariable& from);

      DBTranslator4ContinuousVariable& operator=(DBTranslator4ContinuousVariable&& from);

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



      DBTranslatedValue translate(std::string_view str) final;


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

      std::size_t domainSize() const final;

      bool needsReordering() const final;

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

      const IContinuousVariable* variable() const final;

      DBTranslatedValue missingValue() const final;

 
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
      private:
      // the ContinuousVariable really used by the translator. As its values
      // are floats, this speeds-up translations
      ContinuousVariable< float > _variable_;
 
      // the ContinuousVariablee returned by method variable ()
      // We must return a IContinuousVariable because the user may have
      // saved into the translator a ContinuousVariable<X>, with X != float
      IContinuousVariable* _real_variable_;
 
      // assign to each float missing symbol a Boolean indicating whether
      // we already translated it or not. If we translated it, then we cannot
      // change the range of the variable so that this range contains the symbol.
      HashTable< std::string, bool > _status_float_missing_symbols_;
 
      // a string containing a non real missing symbol
      // (useful for back translations)
      std::string _nonfloat_missing_symbol_;
 
      // indicates whether we should fit the range of the observed values
      bool _fit_range_;
 
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
    };
 
  } /* namespace learning */
 
} /* namespace gum */
 
// always include the template implementation
#include <agrum/base/database/DBTranslator4ContinuousVariable_tpl.h>

#ifndef GUM_NO_INLINE
#  include <agrum/base/database/DBTranslator4ContinuousVariable_inl.h>
#endif /* GUM_NO_INLINE */
 
#endif /* GUM_LEARNING_DB_TRANSLATOR_4_CONTINUOUS_VARIABLE_H */