Alexandria  2.25.0
SDC-CH common library for the Euclid project
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CatalogFromTable.cpp
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2  * Copyright (C) 2012-2021 Euclid Science Ground Segment
3  *
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18 
28 #include "Table/CastVisitor.h"
29 #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 }
51 
53 
54  std::vector<Source> source_vector;
55 
56  // Figure out the type of the first row, and then assume all following
57  // must be of the same
58  CastSourceIdVisitor castVisitor;
59 
60  for (auto row : input_table) {
61 
62  auto source_id = boost::apply_visitor(castVisitor, row[m_source_id_index]);
63 
64  std::vector<std::shared_ptr<Attribute>> attribute_ptr_vector;
65  try {
66  for (auto& attribute_from_table_ptr : m_attribute_from_row_ptr_vector) {
67  attribute_ptr_vector.push_back(attribute_from_table_ptr->createAttribute(row));
68  }
69  } catch (const PhotometryParsingException& parsing_exception) {
70  throw Elements::Exception()<< "Parsing error while parsing the source with Id = " << source_id << " : " << 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.push_back(Source{source_id, 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.
T push_back(T...args)
constexpr double e
T what(T...args)
STL class.
T move(T...args)
Represents a table.
Definition: Table.h:49
The Source class includes all information related to a sky source.
Definition: Source.h:48
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
const char * what() const noexceptoverride
Euclid::SourceCatalog::Catalog createCatalog(const Euclid::Table::Table &input_table)