Alexandria  2.16
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Source.icpp
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1 /*
2  * Copyright (C) 2012-2020 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 
26 #include <memory>
27 
28 #ifdef SOURCE_IMPL
29 
30 template<typename T>
31 std::shared_ptr<T> Source::getAttribute() const {
32  std::shared_ptr<T> result {};
33  // loop over all source attribute
34  for (auto attribute_ptr : m_attribute_vector) {
35  result = std::dynamic_pointer_cast<T>(attribute_ptr);
36  // check whether there is a source attribute that can be successfully casted in Type T
37  if (result) {
38  break;
39  }
40  }
41  return result;
42 }
43 
44 #endif /* SOURCE_IMPL */
T dynamic_pointer_cast(T...args)