Alexandria  2.27.0
SDC-CH common library for the Euclid project
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CatalogFromTable.cpp
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2  * Copyright (C) 2012-2022 Euclid Science Ground Segment
3  *
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18 
29 #include "Table/CastVisitor.h"
30 #include "Table/ColumnInfo.h"
31 #include <vector>
32 
33 namespace Euclid {
34 namespace SourceCatalog {
35 
37  const std::string& source_id_column_name,
38  std::vector<std::shared_ptr<AttributeFromRow>> attribute_from_row_ptr_vector) {
39 
40  std::unique_ptr<size_t> source_id_index_ptr = column_info_ptr->find(source_id_column_name);
41  if (source_id_index_ptr == nullptr) {
42  throw Elements::Exception() << "Column info does not have the column " << source_id_column_name;
43  }
44  m_source_id_index = *source_id_index_ptr;
45 
46  m_attribute_from_row_ptr_vector = std::move(attribute_from_row_ptr_vector);
47 }
48 
50 
52 
53  std::vector<Source> source_vector;
54 
55  // Figure out the type of the first row, and then assume all following
56  // must be of the same
57  CastSourceIdVisitor castVisitor;
58 
59  for (const auto& row : input_table) {
60 
61  auto source_id = boost::apply_visitor(castVisitor, row[m_source_id_index]);
62 
64  try {
66  attribute_ptr_vector.begin(),
67  [&row](const std::shared_ptr<AttributeFromRow>& attr) { return attr->createAttribute(row); });
68  } catch (const PhotometryParsingException& parsing_exception) {
69  throw Elements::Exception() << "Parsing error while parsing the source with Id = " << source_id << " : "
70  << parsing_exception.what();
71  } catch (const std::exception& e) {
72  throw Elements::Exception() << "Error while parsing the source with Id = " << source_id << " : " << e.what();
73  } catch (...) {
74  throw Elements::Exception() << "Error while parsing the source with Id = " << source_id;
75  }
76 
77  source_vector.emplace_back(source_id, std::move(attribute_ptr_vector));
78  }
79 
80  return Catalog{source_vector};
81 }
82 
83 } // namespace SourceCatalog
84 } // end of namespace Euclid
This type can be used together with boost::apply_visitor to cast boost::variant with an unknown under...
Definition: Source.h:105
STL class.
constexpr double e
T what(T...args)
STL class.
T move(T...args)
Represents a table.
Definition: Table.h:49
STL class.
STL class.
CatalogFromTable(std::shared_ptr< Euclid::Table::ColumnInfo > column_info_ptr, const std::string &source_id_column_name, std::vector< std::shared_ptr< AttributeFromRow >> attribute_from_row_ptr_vector)
Catalog contains a container of sources.
Definition: Catalog.h:47
std::vector< std::shared_ptr< AttributeFromRow > > m_attribute_from_row_ptr_vector
T transform(T...args)
const char * what() const noexceptoverride
Euclid::SourceCatalog::Catalog createCatalog(const Euclid::Table::Table &input_table)
T emplace_back(T...args)