Alexandria  2.27.0
SDC-CH common library for the Euclid project
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Catalog.cpp
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1 /*
2  * Copyright (C) 2012-2021 Euclid Science Ground Segment
3  *
4  * This library is free software; you can redistribute it and/or modify it under
5  * the terms of the GNU Lesser General Public License as published by the Free
6  * Software Foundation; either version 3.0 of the License, or (at your option)
7  * any later version.
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9  * This library is distributed in the hope that it will be useful, but WITHOUT
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11  * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12  * details.
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14  * You should have received a copy of the GNU Lesser General Public License
15  * along with this library; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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18 
26 #include "SourceCatalog/Catalog.h"
27 #include "SourceCatalog/Source.h"
28 
30 
31 namespace Euclid {
32 namespace SourceCatalog {
33 
34 //-----------------------------------------------------------------------------
35 // Constructor
36 Catalog::Catalog(const std::vector<Source>& source_vector) : m_source_vector(source_vector) {
37  // Set the m_indices_map map
38  for (size_t index = 0; index < m_source_vector.size(); ++index) {
39  auto it = m_source_index_map.emplace(m_source_vector[index].getId(), index);
40  // Make sure the element does not already exist
41  if (!it.second) {
42  throw Elements::Exception() << "Euclid::SourceCatalog::Catalog: Source object already exist "
43  << "in the map for source ID : " << m_source_vector[index].getId()
44  << ", index: " << index;
45  }
46  }
47 } // Eof Euclid::SourceCatalog::Catalog
48 
49 //-----------------------------------------------------------------------------
50 // find source in the map
51 // return source otherwise null pointer
53  std::shared_ptr<Source> ptr(nullptr);
54  auto it = m_source_index_map.find(source_id);
55  if (it != m_source_index_map.end()) {
56  ptr = std::make_shared<Source>(m_source_vector[it->second]);
57  }
58 
59  return ptr;
60 
61 } // Eof Catalog::find
62 
63 //-----------------------------------------------------------------------------
64 
65 } /* namespace SourceCatalog */
66 } // end of namespace Euclid
boost::variant< int64_t, std::string > id_type
Definition: Source.h:51
std::shared_ptr< Source > find(const Source::id_type &source_id) const
Find the Source object from its identification number.
Definition: Catalog.cpp:52
std::map< Source::id_type, size_t > m_source_index_map
Definition: Catalog.h:122
std::vector< Source > m_source_vector
Definition: Catalog.h:119
Catalog(const std::vector< Source > &source_vector)
Build a catalog of Source objects.
Definition: Catalog.cpp:36
STL class.