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factory_trait.hh
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1/* -*- mia-c++ -*-
2 *
3 * This file is part of MIA - a toolbox for medical image analysis
4 * Copyright (c) Leipzig, Madrid 1999-2017 Gert Wollny
5 *
6 * MIA is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with MIA; if not, see <http://www.gnu.org/licenses/>.
18 *
19 */
20
21#ifndef mia_core_factory_trait_hh
22#define mia_core_factory_trait_hh
23
24#include <mia/core/defines.hh>
25#include <memory>
26
41template <class T>
43{
45 typedef typename T::must_create_trait_using_FACTORY_TRAIT type;
46};
47
56template <class T>
57class FactoryTrait<std::shared_ptr<T>>
58{
59public:
61 typedef typename FactoryTrait<T>::type type;
62};
63
69#define FACTORY_TRAIT(F) \
70 template <> \
71 class FactoryTrait< F::Instance::ProductPtr::element_type > { \
72 public: \
73 typedef F type; \
74 };
75
76
78
79#endif
FactoryTrait< T >::type type
the typetrait type
Type trait to enable the use of a factory product as command line option.
#define NS_MIA_BEGIN
conveniance define to start the mia namespace
Definition defines.hh:33
#define NS_MIA_END
conveniance define to end the mia namespace
Definition defines.hh:36