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3.2.0
a C++ library for (probabilistic) graphical models
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IDBInitializer_tpl.h
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/****************************************************************************
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* This file is part of the aGrUM/pyAgrum library. *
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* *
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* Copyright (c) 2005-2026 by *
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* - Pierre-Henri WUILLEMIN(_at_LIP6) *
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* - Christophe GONZALES(_at_AMU) *
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* *
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* The aGrUM/pyAgrum library is free software; you can redistribute it *
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* and/or modify it under the terms of either : *
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* *
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* - the GNU Lesser General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, *
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* or (at your option) any later version, *
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* - the MIT license (MIT), *
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* - or both in dual license, as here. *
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* *
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* (see https://agrum.gitlab.io/articles/dual-licenses-lgplv3mit.html) *
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* *
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* This aGrUM/pyAgrum library is distributed in the hope that it will be *
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* useful, but WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* OTHER DEALINGS IN THE SOFTWARE. *
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* *
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* See LICENCES for more details. *
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* *
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* SPDX-FileCopyrightText: Copyright 2005-2026 *
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* - Pierre-Henri WUILLEMIN(_at_LIP6) *
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* - Christophe GONZALES(_at_AMU) *
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* SPDX-License-Identifier: LGPL-3.0-or-later OR MIT *
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* *
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* Contact : info_at_agrum_dot_org *
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* homepage : http://agrum.gitlab.io *
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* gitlab : https://gitlab.com/agrumery/agrum *
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* *
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****************************************************************************/
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#pragma once
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#include <
agrum/base/database/IDBInitializer.h
>
// to ease IDE parser
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#ifndef DOXYGEN_SHOULD_SKIP_THIS
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namespace
gum
{
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namespace
learning
{
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template
<
class
DATABASE >
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void
IDBInitializer::fillDatabase
(DATABASE& database,
const
bool
retry_insertion) {
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switch
(_input_type_) {
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case
InputType::STRING
: _fillDatabaseFromStrings_(database, retry_insertion);
return
;
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case
InputType::DBCELL
: _fillDatabaseFromDBCells_(database, retry_insertion);
return
;
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}
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GUM_ERROR
(NotImplementedYet,
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"fillDatabase has not been implemented yet for this "
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"type of IDBInitializerInputType"
);
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}
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template
<
class
DATABASE >
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void
IDBInitializer::_fillDatabaseFromStrings_(DATABASE& database,
const
bool
retry_insertion) {
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// if need be, try to reinsert the row that could not be inserted
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if
(retry_insertion && _last_insertion_failed_) {
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database.insertRow(
currentStringRow_
());
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_last_insertion_failed_ =
false
;
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}
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// try to insert the next rows
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while
(this->
nextRow_
()) {
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try
{
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// read a new line in the input file and insert it into the database
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database.insertRow(
currentStringRow_
());
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}
catch
(...) {
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_last_insertion_failed_ =
true
;
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throw
;
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}
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}
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}
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template
<
class
DATABASE >
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void
IDBInitializer::_fillDatabaseFromDBCells_(DATABASE& database,
const
bool
retry_insertion) {
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// if need be, try to reinsert the row that could not be inserted
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if
(retry_insertion && _last_insertion_failed_) {
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database.insertRow(
currentDBCellRow_
());
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_last_insertion_failed_ =
false
;
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}
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// try to insert the next rows
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while
(this->
nextRow_
()) {
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try
{
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// read a new line in the input file and insert it into the database
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database.insertRow(
currentDBCellRow_
());
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}
catch
(...) {
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_last_insertion_failed_ =
true
;
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throw
;
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}
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}
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}
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}
/* namespace learning */
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}
/* namespace gum */
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#endif
/* DOXYGEN_SHOULD_SKIP_THIS */
IDBInitializer.h
The base class for initializing DatabaseTable and RawDatabaseTable instances from CSV files or SQL da...
gum::learning::IDBInitializer::currentDBCellRow_
virtual const DBRow< DBCell > & currentDBCellRow_()
asks the child class for the content of the current row using dbcells
gum::learning::IDBInitializer::fillDatabase
void fillDatabase(DATABASE &database, const bool retry_insertion=false)
fills the rows of the database table
gum::learning::IDBInitializer::InputType::DBCELL
@ DBCELL
Definition
IDBInitializer.h:139
gum::learning::IDBInitializer::InputType::STRING
@ STRING
Definition
IDBInitializer.h:139
gum::learning::IDBInitializer::nextRow_
virtual bool nextRow_()=0
indicates whether there is a next row to read (and point on it)
gum::learning::IDBInitializer::currentStringRow_
virtual const std::vector< std::string > & currentStringRow_()
asks the child class for the content of the current row using strings
GUM_ERROR
#define GUM_ERROR(type, msg)
Definition
exceptions.h:76
gum::learning
include the inlined functions if necessary
Definition
CSVParser.h:55
gum
gum is the global namespace for all aGrUM entities
Definition
agrum.h:46
aGrUM
3.2.0
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