Alexandria  2.27.0
SDC-CH common library for the Euclid project
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Source.h
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1 /*
2  * Copyright (C) 2012-2022 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.
8  *
9  * This library is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11  * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12  * details.
13  *
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
17  */
18 
25 #ifndef SOURCE_H_
26 #define SOURCE_H_
27 
28 #include <boost/variant.hpp>
29 #include <memory>
30 #include <string>
31 #include <vector>
32 
34 
39 
40 namespace Euclid {
41 namespace SourceCatalog {
42 
48 class Source {
49 
50 public:
51  typedef boost::variant<int64_t, std::string> id_type;
52 
61  : m_source_id(source_id), m_attribute_vector(std::move(attributeVector)) {}
62 
64  virtual ~Source() = default;
65 
70  id_type getId() const {
71  return m_source_id;
72  }
73 
87  template <typename T>
89 
90 private:
91  // Source identification
93 
94  // Vector of shared pointers to attribute
96 };
97 // Eof class Source
98 
105 class CastSourceIdVisitor : public boost::static_visitor<Source::id_type> {
106  template <typename From>
107  static constexpr bool is_integer() {
109  }
110 
111 public:
112  CastSourceIdVisitor() = default;
113 
115  return from;
116  }
117 
118  template <typename From>
119  Source::id_type operator()(const From& from, typename std::enable_if<is_integer<From>()>::type* = 0) const {
120  return Source::id_type(static_cast<int64_t>(from));
121  }
122 
123  template <typename From>
124  Source::id_type operator()(const From&, typename std::enable_if<!is_integer<From>()>::type* = 0) const {
125  throw Elements::Exception() << "Only std::string and int64_t are supported types for a source ID, got "
126  << typeid(From).name() << " instead";
127  }
128 };
129 
130 #define SOURCE_IMPL
132 #undef SOURCE_IMPL
133 
134 } /* namespace SourceCatalog */
135 } // end of namespace Euclid
136 
137 #if BOOST_VERSION < 105800
138 namespace boost {
139 
147  return !(a == b);
148 }
149 
150 } // namespace boost
151 #endif
152 
153 #endif /* SOURCE_H_ */
boost::variant< int64_t, std::string > id_type
Definition: Source.h:51
Source(id_type source_id, std::vector< std::shared_ptr< Attribute >> attributeVector)
Constructor.
Definition: Source.h:60
This type can be used together with boost::apply_visitor to cast boost::variant with an unknown under...
Definition: Source.h:105
bool operator!=(const Euclid::SourceCatalog::Source::id_type &a, const Euclid::SourceCatalog::Source::id_type &b)
boost::variant specifies an equality operator (==), but, in older boost versions, not an inequality o...
Definition: Source.h:145
Source::id_type operator()(const From &, typename std::enable_if<!is_integer< From >()>::type *=0) const
Definition: Source.h:124
virtual ~Source()=default
Virtual default destructor.
id_type getId() const
Get the source ID.
Definition: Source.h:70
STL class.
std::vector< std::shared_ptr< Attribute > > m_attribute_vector
Definition: Source.h:95
Source::id_type operator()(const std::string &from) const
Definition: Source.h:114
The Source class includes all information related to a sky source.
Definition: Source.h:48
STL class.
Source::id_type operator()(const From &from, typename std::enable_if< is_integer< From >()>::type *=0) const
Definition: Source.h:119
std::shared_ptr< T > getAttribute() const
Get a pointer to source attribute of type T or a null pointer if the source do not contain an attribu...
static constexpr bool is_integer()
Definition: Source.h:107