object_factory.h
Go to the documentation of this file.
1 /***********************************************************************
2  * Software License Agreement (BSD License)
3  *
4  * Copyright 2008-2009 Marius Muja (mariusm@cs.ubc.ca). All rights reserved.
5  * Copyright 2008-2009 David G. Lowe (lowe@cs.ubc.ca). All rights reserved.
6  *
7  * THE BSD LICENSE
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  *
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in the
17  * documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  *************************************************************************/
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 
39 class CreatorNotFound
40 {
41 };
42 
43 template<typename BaseClass,
44  typename UniqueIdType,
45  typename ObjectCreator = BaseClass* (*)()>
46 class ObjectFactory
47 {
48  typedef ObjectFactory<BaseClass,UniqueIdType,ObjectCreator> ThisClass;
49  typedef std::map<UniqueIdType, ObjectCreator> ObjectRegistry;
50 
51  // singleton class, private constructor
52  ObjectFactory() {}
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_ */
create
ADT create(const Signature &signature)
rtflann::CreatorNotFound
Definition: object_factory.h:67
instance
rtflann::ObjectFactory
Definition: object_factory.h:74
iter
iterator iter(handle obj)
id
id
rtflann
Definition: all_indices.h:49


rtabmap
Author(s): Mathieu Labbe
autogenerated on Thu Jul 25 2024 02:50:13