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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkDataObjectDecorator.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 __itkDataObjectDecorator_h
#define __itkDataObjectDecorator_h
#include "itkDataObject.h"
namespace itk
{
/** \class DataObjectDecorator
* \brief Decorates any subclass of itkObject with a DataObject API
*
* DataObjectDecorator decorates an instance of a subclass of
* itkObject with a DataObject API. This allows any itkObject to be
* encapsulated into a DataObject that can be passed down the
* pipeline. To decorate simple types (float, int, std::vector) see
* SimpleDataObjectDecorator.
*
* The decorator provides two methods Set() and Get() to access the
* decorated object (referred internally as the component).
*
* Note that when an instance of DataObjectDecorator is created, the
* component is initialized with its default constructor (in this case
* a null pointer).
*
* DataObjectDecorator can decorate any subclass of itkObject. Two
* other decorators are provided. SimpleDataObjectDecorator can
* encapsulate simple types (float, int, std::vector).
* AutoPointerDataObjectDecorator will decorate any pointer type (for
* objects other than subclasses of itkObject) and manage the memory
* deallocationg of the component.
*
* \sa SimpleDataObjectDecorator
* \sa AutoPointerDataObjectDecorator
* \ingroup ITKSystemObjects
*
*/
template<class T>
class ITK_EXPORT DataObjectDecorator : public DataObject
{
public:
/** Standard typedefs. */
typedef DataObjectDecorator Self;
typedef DataObject Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Typedef for the component type (object being decorated) */
typedef T ComponentType;
typedef typename T::ConstPointer ComponentConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(DataObjectDecorator, DataObject);
/** Set the contained object */
virtual void Set(const T * val);
/** Get the contained object */
virtual const T* Get() const;
protected:
DataObjectDecorator();
~DataObjectDecorator();
virtual void PrintSelf(std::ostream& os, Indent indent) const;
protected:
private:
DataObjectDecorator(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
ComponentConstPointer m_Component;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkDataObjectDecorator.txx"
#endif
#endif
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