DBTranslator4ContinuousVariable.h

Go to the documentation of this file.

/****************************************************************************
 *   This file is part of the aGrUM/pyAgrum library.                        *
 *                                                                          *
 *   Copyright (c) 2005-2025 by                                             *
 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
 *                                                                          *
 *   The aGrUM/pyAgrum library is free software; you can redistribute it    *
 *   and/or modify it under the terms of either :                           *
 *                                                                          *
 *    - the GNU Lesser General Public License as published by               *
 *      the Free Software Foundation, either version 3 of the License,      *
 *      or (at your option) any later version,                              *
 *    - the MIT license (MIT),                                              *
 *    - or both in dual license, as here.                                   *
 *                                                                          *
 *   (see https://agrum.gitlab.io/articles/dual-licenses-lgplv3mit.html)    *
 *                                                                          *
 *   This aGrUM/pyAgrum library is distributed in the hope that it will be  *
 *   useful, but WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,          *
 *   INCLUDING BUT NOT LIMITED TO THE WARRANTIES MERCHANTABILITY or FITNESS *
 *   FOR A PARTICULAR PURPOSE  AND NONINFRINGEMENT. IN NO EVENT SHALL THE   *
 *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
 *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,        *
 *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR  *
 *   OTHER DEALINGS IN THE SOFTWARE.                                        *
 *                                                                          *
 *   See LICENCES for more details.                                         *
 *                                                                          *
 *   SPDX-FileCopyrightText: Copyright 2005-2025                            *
 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
 *   SPDX-License-Identifier: LGPL-3.0-or-later OR MIT                      *
 *                                                                          *
 *   Contact  : info_at_agrum_dot_org                                       *
 *   homepage : http://agrum.gitlab.io                                      *
 *   gitlab   : https://gitlab.com/agrumery/agrum                           *
 *                                                                          *
 ****************************************************************************/
 

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

      template < typename 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);

      virtual DBTranslator4ContinuousVariable* clone() const;

      virtual ~DBTranslator4ContinuousVariable();

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


      DBTranslator4ContinuousVariable& operator=(const DBTranslator4ContinuousVariable& from);

      DBTranslator4ContinuousVariable& operator=(DBTranslator4ContinuousVariable&& 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 needsReordering() const final;

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

      virtual const IContinuousVariable* variable() const final;

      virtual 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 */