SMIL  0.9.1
DInstance.hpp
1 /*
2  * Copyright (c) 2011-2016, Matthieu FAESSEL and ARMINES
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28 
29 
30 #ifndef _D_INSTANCE_HPP
31 #define _D_INSTANCE_HPP
32 
33 #include <iostream>
34 #include "Core/include/DErrors.h"
35 
36 namespace smil
37 {
38  template <typename T>
40  {
41  protected:
43  {
44  }
45  virtual ~UniqueInstance () { }
46 
47  public:
48  static T *getInstance ()
49  {
50  T::initialize();
51  return (static_cast<T*> (T::_instance));
52  }
53 
54  // Can be overloaded because of the T::initialize call
55  static RES_T initialize ()
56  {
57  if (T::_instance == NULL)
58  T::_instance = new T();
59  return RES_OK;
60  }
61 
62  static void kill ()
63  {
64  if (T::_instance)
65  {
66  delete T::_instance;
67  T::_instance = NULL;
68  }
69  }
70 
71 
72 
73  protected:
74  // Unique instance
75  static T *_instance;
76  };
77 
78  template <typename T>
80 
81 } // namespace smil
82 
83 
84 #endif // _D_INSTANCE_HPP
85 
Definition: DColorConvert.h:38
Definition: DInstance.hpp:39