aGrUM 3.1.1
a C++ library for (probabilistic) graphical models
IDBInitializer_tpl.h
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40
41#pragma once
42
43
50#include <agrum/base/database/IDBInitializer.h> // to ease IDE parser
51#ifndef DOXYGEN_SHOULD_SKIP_THIS
52
53namespace gum {
54
55 namespace learning {
56
58 template < class DATABASE >
59 void IDBInitializer::fillDatabase(DATABASE& database, const bool retry_insertion) {
60 switch (_input_type_) {
61 case InputType::STRING : _fillDatabaseFromStrings_(database, retry_insertion); return;
62
63 case InputType::DBCELL : _fillDatabaseFromDBCells_(database, retry_insertion); return;
64 }
65
66 GUM_ERROR(NotImplementedYet,
67 "fillDatabase has not been implemented yet for this "
68 "type of IDBInitializerInputType");
69 }
70
72 template < class DATABASE >
73 void IDBInitializer::_fillDatabaseFromStrings_(DATABASE& database, const bool retry_insertion) {
74 // if need be, try to reinsert the row that could not be inserted
75 if (retry_insertion && _last_insertion_failed_) {
76 database.insertRow(currentStringRow_());
77 _last_insertion_failed_ = false;
78 }
79
80 // try to insert the next rows
81 while (this->nextRow_()) {
82 try {
83 // read a new line in the input file and insert it into the database
84 database.insertRow(currentStringRow_());
85 } catch (...) {
86 _last_insertion_failed_ = true;
87 throw;
88 }
89 }
90 }
91
93 template < class DATABASE >
94 void IDBInitializer::_fillDatabaseFromDBCells_(DATABASE& database, const bool retry_insertion) {
95 // if need be, try to reinsert the row that could not be inserted
96 if (retry_insertion && _last_insertion_failed_) {
97 database.insertRow(currentDBCellRow_());
98 _last_insertion_failed_ = false;
99 }
100
101 // try to insert the next rows
102 while (this->nextRow_()) {
103 try {
104 // read a new line in the input file and insert it into the database
105 database.insertRow(currentDBCellRow_());
106 } catch (...) {
107 _last_insertion_failed_ = true;
108 throw;
109 }
110 }
111 }
112
113 } /* namespace learning */
114
115} /* namespace gum */
116
117#endif /* DOXYGEN_SHOULD_SKIP_THIS */
The base class for initializing DatabaseTable and RawDatabaseTable instances from CSV files or SQL da...
virtual const DBRow< DBCell > & currentDBCellRow_()
asks the child class for the content of the current row using dbcells
void fillDatabase(DATABASE &database, const bool retry_insertion=false)
fills the rows of the database table
virtual bool nextRow_()=0
indicates whether there is a next row to read (and point on it)
virtual const std::vector< std::string > & currentStringRow_()
asks the child class for the content of the current row using strings
#define GUM_ERROR(type, msg)
Definition exceptions.h:76
include the inlined functions if necessary
Definition CSVParser.h:55
gum is the global namespace for all aGrUM entities
Definition agrum.h:46