CTK  0.1.0
The Common Toolkit is a community effort to provide support code for medical image analysis, surgical navigation, and related projects.
ctkAbstractObjectFactory.h
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1 /*=========================================================================
2 
3  Library: CTK
4 
5  Copyright (c) Kitware Inc.
6 
7  Licensed under the Apache License, Version 2.0 (the "License");
8  you may not use this file except in compliance with the License.
9  You may obtain a copy of the License at
10 
11  http://www.apache.org/licenses/LICENSE-2.0.txt
12 
13  Unless required by applicable law or agreed to in writing, software
14  distributed under the License is distributed on an "AS IS" BASIS,
15  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  See the License for the specific language governing permissions and
17  limitations under the License.
18 
19 =========================================================================*/
20 
21 #ifndef __ctkAbstractObjectFactory_h
22 #define __ctkAbstractObjectFactory_h
23 
24 // Qt includes
25 #include <QDebug>
26 
27 // CTK includes
28 #include "ctkAbstractFactory.h"
29 
30 //----------------------------------------------------------------------------
31 namespace{
34  template<typename BaseClassType, typename ClassType>
35  BaseClassType *instantiateObject()
36  {
37  return new ClassType;
38  }
39 }
40 
41 //----------------------------------------------------------------------------
43 template<typename BaseClassType, typename ClassType>
44 class ctkFactoryObjectItem : public ctkAbstractFactoryItem<BaseClassType>
45 {
46 protected:
47  typedef BaseClassType *(*InstantiateObjectFunc)();
48 public:
49  virtual bool load();
50 protected:
51  virtual BaseClassType* instanciator();
52 private:
53  InstantiateObjectFunc instantiateObjectFunc;
54 };
55 
56 //----------------------------------------------------------------------------
58 template<typename BaseClassType>
59 class ctkAbstractObjectFactory : public ctkAbstractFactory<BaseClassType>
60 {
61 public:
63 
65  template<typename ClassType>
66  bool registerObject(const QString& key);
67 
68 private:
70  void operator=(const ctkAbstractObjectFactory&);
71 };
72 
73 #include "ctkAbstractObjectFactory.tpp"
74 
75 #endif
ctkAbstractFactory is the base class of all the factory where items need to be registered before bein...
bool registerObject(const QString &key)
Register an object in the factory.
virtual bool load()
BaseClassType *(* InstantiateObjectFunc)()
virtual BaseClassType * instanciator()
Must be reimplemented in subclasses to instanciate a BaseClassType*.