is_qx_collection.h 2.3 KB

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  1. /****************************************************************************
  2. **
  3. ** https://www.qxorm.com/
  4. ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
  5. **
  6. ** This file is part of the QxOrm library
  7. **
  8. ** This software is provided 'as-is', without any express or implied
  9. ** warranty. In no event will the authors be held liable for any
  10. ** damages arising from the use of this software
  11. **
  12. ** Commercial Usage
  13. ** Licensees holding valid commercial QxOrm licenses may use this file in
  14. ** accordance with the commercial license agreement provided with the
  15. ** Software or, alternatively, in accordance with the terms contained in
  16. ** a written agreement between you and Lionel Marty
  17. **
  18. ** GNU General Public License Usage
  19. ** Alternatively, this file may be used under the terms of the GNU
  20. ** General Public License version 3.0 as published by the Free Software
  21. ** Foundation and appearing in the file 'license.gpl3.txt' included in the
  22. ** packaging of this file. Please review the following information to
  23. ** ensure the GNU General Public License version 3.0 requirements will be
  24. ** met : http://www.gnu.org/copyleft/gpl.html
  25. **
  26. ** If you are unsure which license is appropriate for your use, or
  27. ** if you have questions regarding the use of this file, please contact :
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  30. ****************************************************************************/
  31. #ifndef _QX_IS_QX_COLLECTION_H_
  32. #define _QX_IS_QX_COLLECTION_H_
  33. #ifdef _MSC_VER
  34. #pragma once
  35. #endif
  36. /*!
  37. * \file is_qx_collection.h
  38. * \author Lionel Marty
  39. * \ingroup QxTraits
  40. * \brief qx::trait::is_qx_collection<T>::value : return true if T is a qx::QxCollection<> container of QxOrm library, otherwise return false
  41. */
  42. #include <QxCollection/IxCollection.h>
  43. namespace qx {
  44. namespace trait {
  45. /*!
  46. * \ingroup QxTraits
  47. * \brief qx::trait::is_qx_collection<T>::value : return true if T is a qx::QxCollection<> container of QxOrm library, otherwise return false
  48. */
  49. template <typename T>
  50. class is_qx_collection
  51. {
  52. public:
  53. enum { value = std::is_base_of<qx::IxCollection, T>::value };
  54. typedef typename std::conditional<qx::trait::is_qx_collection<T>::value,
  55. std::true_type,
  56. std::false_type>::type type;
  57. };
  58. } // namespace trait
  59. } // namespace qx
  60. #endif // _QX_IS_QX_COLLECTION_H_