ITK  4.9.0
Insight Segmentation and Registration Toolkit
itkFEMFactoryBase.h
Go to the documentation of this file.
1 /*=========================================================================
2  *
3  * Copyright Insight Software Consortium
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0.txt
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  *=========================================================================*/
18 /*=========================================================================
19  *
20  * Portions of this file are subject to the VTK Toolkit Version 3 copyright.
21  *
22  * Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
23  *
24  * For complete copyright, license and disclaimer of warranty information
25  * please refer to the NOTICE file at the top of the ITK source tree.
26  *
27  *=========================================================================*/
28 #ifndef itkFEMFactoryBase_h
29 #define itkFEMFactoryBase_h
30 
31 #include "itkObjectFactoryBase.h"
32 #include "ITKFEMExport.h"
33 
34 namespace itk
35 {
42 class ITKFEM_EXPORT FEMFactoryBase : public ObjectFactoryBase
43 {
44 public:
50 
52  virtual const char * GetITKSourceVersion(void) const ITK_OVERRIDE;
53 
54  virtual const char * GetDescription(void) const ITK_OVERRIDE;
55 
57  itkTypeMacro(FEMFactoryBase, ObjectFactoryBase);
58 
60  itkFactorylessNewMacro(Self);
61 
63  static void RegisterDefaultTypes(); //HACK: This should not have a public interface since it does nothing except during instantiation of the class.
64 
66  static FEMFactoryBase * GetFactory()
67  {
68  if( m_Factory == ITK_NULLPTR )
69  {
70  m_CreationLock.Lock();
71  //Need to make sure that during gaining access
72  //to the lock that some other thread did not
73  //initialize the singleton.
74  if( m_Factory == ITK_NULLPTR )
75  {
76  // Make and register the factory
78  if( p.IsNull() )
79  {
80  std::ostringstream message;
81  message << "itk::ERROR: " << "FEMFactoryBase"
82  << " instance not created";
83  ::itk::ExceptionObject e_(__FILE__, __LINE__, message.str().c_str(), ITK_LOCATION);
84  throw e_; /* Explicit naming to work around for Intel compiler bug. */
85  }
87  m_Factory = p.GetPointer();
88  }
89  m_CreationLock.Unlock();
90  m_Factory->RegisterDefaultTypes(); //Not initialzie all default types.
91  }
92  return m_Factory;
93  }
95 
96  void RegisterType(const char* classOverride,
97  const char* overrideClassName,
98  const char* description,
99  bool enableFlag,
100  CreateObjectFunctionBase* createFunction)
101  {
102  this->RegisterOverride( classOverride, overrideClassName, description, enableFlag, createFunction );
103  }
104 
105 protected:
106  FEMFactoryBase();
107  virtual ~FEMFactoryBase();
108 
109 private:
110  FEMFactoryBase(const Self &) ITK_DELETE_FUNCTION;
111  void operator=(const Self &) ITK_DELETE_FUNCTION;
112 
113  static SimpleFastMutexLock m_CreationLock;
114  static FEMFactoryBase* m_Factory;
115 };
116 } // end namespace itk
117 
118 #endif
Critical section locking class that can be allocated on the stack.
static Pointer New()
Light weight base class for most itk classes.
SmartPointer< Self > Pointer
ObjectFactoryBase Superclass
ObjectType * GetPointer() const
Create instances of classes using an object factory.
SmartPointer< const Self > ConstPointer
Standard exception handling object.
Define API for object creation callback functions.
bool IsNull() const
Create instances of FEM Objects. This includes Elements, Loads, and Materials.
static bool RegisterFactory(ObjectFactoryBase *, InsertionPositionType where=INSERT_AT_BACK, vcl_size_t position=0)
void RegisterType(const char *classOverride, const char *overrideClassName, const char *description, bool enableFlag, CreateObjectFunctionBase *createFunction)