IDBInitializer_tpl.h

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/****************************************************************************
 *   This file is part of the aGrUM/pyAgrum library.                        *
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 *   Copyright (c) 2005-2025 by                                             *
 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
 *                                                                          *
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 *   SPDX-FileCopyrightText: Copyright 2005-2025                            *
 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
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 *   Contact  : info_at_agrum_dot_org                                       *
 *   homepage : http://agrum.gitlab.io                                      *
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#pragma once
 

#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
namespace gum {
 
  namespace learning {

    template < class DATABASE >
    INLINE void IDBInitializer::fillDatabase(DATABASE& database, const bool retry_insertion) {
      switch (_input_type_) {
        case InputType::STRING : _fillDatabaseFromStrings_(database, retry_insertion); return;
 
        case InputType::DBCELL : _fillDatabaseFromDBCells_(database, retry_insertion); return;
      }
 
      GUM_ERROR(NotImplementedYet,
                "fillDatabase has not been implemented yet for this "
                "type of IDBInitializerInputType");
    }

    template < class DATABASE >
    void IDBInitializer::_fillDatabaseFromStrings_(DATABASE& database, const bool retry_insertion) {
      // if need be, try to reinsert the row that could not be inserted
      if (retry_insertion && _last_insertion_failed_) {
        database.insertRow(currentStringRow_());
        _last_insertion_failed_ = false;
      }
 
      // try to insert the next rows
      while (this->nextRow_()) {
        try {
          // read a new line in the input file and insert it into the database
          database.insertRow(currentStringRow_());
        } catch (...) {
          _last_insertion_failed_ = true;
          throw;
        }
      }
    }

    template < class DATABASE >
    void IDBInitializer::_fillDatabaseFromDBCells_(DATABASE& database, const bool retry_insertion) {
      // if need be, try to reinsert the row that could not be inserted
      if (retry_insertion && _last_insertion_failed_) {
        database.insertRow(currentDBCellRow_());
        _last_insertion_failed_ = false;
      }
 
      // try to insert the next rows
      while (this->nextRow_()) {
        try {
          // read a new line in the input file and insert it into the database
          database.insertRow(currentDBCellRow_());
        } catch (...) {
          _last_insertion_failed_ = true;
          throw;
        }
      }
    }
 
  } /* namespace learning */
 
} /* namespace gum */
 
#endif /* DOXYGEN_SHOULD_SKIP_THIS */