object_factory.h
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30 
31 #ifndef RTABMAP_FLANN_OBJECT_FACTORY_H_
32 #define RTABMAP_FLANN_OBJECT_FACTORY_H_
33 
34 #include <map>
35 
36 namespace rtflann
37 {
38 
40 {
41 };
42 
43 template<typename BaseClass,
44  typename UniqueIdType,
45  typename ObjectCreator = BaseClass* (*)()>
47 {
49  typedef std::map<UniqueIdType, ObjectCreator> ObjectRegistry;
50 
51  // singleton class, private constructor
53 
54 public:
55 
56  bool subscribe(UniqueIdType id, ObjectCreator creator)
57  {
58  if (object_registry.find(id) != object_registry.end()) return false;
59 
60  object_registry[id] = creator;
61  return true;
62  }
63 
64  bool unregister(UniqueIdType id)
65  {
66  return object_registry.erase(id) == 1;
67  }
68 
69  ObjectCreator create(UniqueIdType id)
70  {
71  typename ObjectRegistry::const_iterator iter = object_registry.find(id);
72 
73  if (iter == object_registry.end()) {
74  throw CreatorNotFound();
75  }
76 
77  return iter->second;
78  }
79 
80  static ThisClass& instance()
81  {
82  static ThisClass the_factory;
83  return the_factory;
84  }
85 private:
86  ObjectRegistry object_registry;
87 };
88 
89 }
90 
91 #endif /* FLANN_OBJECT_FACTORY_H_ */
bool unregister(UniqueIdType id)
ObjectCreator create(UniqueIdType id)
std::map< UniqueIdType, ObjectCreator > ObjectRegistry
ObjectFactory< BaseClass, UniqueIdType, ObjectCreator > ThisClass
static ThisClass & instance()
bool subscribe(UniqueIdType id, ObjectCreator creator)
ObjectRegistry object_registry


rtabmap
Author(s): Mathieu Labbe
autogenerated on Mon Dec 14 2020 03:34:59