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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkSimpleDataObjectDecorator.h
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
Portions of this code are covered under the VTK copyright.
See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkSimpleDataObjectDecorator_h
#define __itkSimpleDataObjectDecorator_h
#include "itkDataObject.h"
#include "itkObjectFactory.h"
namespace itk
{
/** \class SimpleDataObjectDecorator
* \brief Decorates any "simple" data type (data types without smart pointers) with a DataObject API
*
* SimpleDataObjectDecorator decorates an object with a DataObject
* API. This allows simple objects to be encapsulated into objects
* that can be passed as down the pipeline. This decorator is intended
* to be used on native types (float, int, etc.) or any objects not
* derived from itkObject. To decorate a subclass of itkObject, see
* DataObjectDecorator.
*
* The decorator provides two methods Set() and Get() to access the
* decorated object (referred internally as the component).
*
* Note that when an instance of SimpleDataObjectDecorator is created,
* the component is initialized with its default constructor.
*
* SimpleDataObjectDecorator can decorate any simple data type. Two
* other decorators are provided for decorating pointers.
* DataObjectDecorator will decorate pointers to subclasses of
* itkObject (internally storing the pointer in a
* SmartPointer). AutoPointerDataObjectDecorator will decorate any
* other pointer and manage the memory deallocationg of the component.
*
* \sa DataObjectDecorator
* \sa AutoPointerDataObjectDecorator
* \ingroup ITKSystemObjects
*
*/
template<class T>
class ITK_EXPORT SimpleDataObjectDecorator : public DataObject
{
public:
/** Standard typedefs. */
typedef SimpleDataObjectDecorator Self;
typedef DataObject Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Typedef for the component type (object being decorated) */
typedef T ComponentType;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(SimpleDataObjectDecorator, DataObject);
/** Set the contained object */
virtual void Set(const T& val);
/** Get the contained object */
virtual T& Get() { return m_Component; }
virtual const T& Get() const { return m_Component; }
protected:
SimpleDataObjectDecorator();
~SimpleDataObjectDecorator();
virtual void PrintSelf(std::ostream& os, Indent indent) const;
protected:
private:
SimpleDataObjectDecorator(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
ComponentType m_Component;
bool m_Initialized;
};
} // end namespace itk
// Define instantiation macro for this template.
#define ITK_TEMPLATE_SimpleDataObjectDecorator(_, EXPORT, x, y) namespace itk { \
_(1(class EXPORT SimpleDataObjectDecorator< ITK_TEMPLATE_1 x >)) \
namespace Templates { typedef SimpleDataObjectDecorator< ITK_TEMPLATE_1 x > \
SimpleDataObjectDecorator##y; } \
}
#if ITK_TEMPLATE_EXPLICIT
# include "Templates/itkSimpleDataObjectDecorator+-.h"
#endif
#if ITK_TEMPLATE_TXX
# include "itkSimpleDataObjectDecorator.txx"
#endif
#endif
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