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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
/*=========================================================================
*
* Portions of this file are subject to the VTK Toolkit Version 3 copyright.
*
* Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
*
* For complete copyright, license and disclaimer of warranty information
* please refer to the NOTICE file at the top of the ITK source tree.
*
*=========================================================================*/
#ifndef itkAutoPointerDataObjectDecorator_h
#define itkAutoPointerDataObjectDecorator_h
#include <memory>
#include "itkDataObject.h"
#include "itkObjectFactory.h"
namespace itk
{
/** \class AutoPointerDataObjectDecorator
* \brief Decorates any pointer to a simple object with a DataObject API using
* AutoPointer semantics.
*
* AutoPointerDataObjectDecorator decorates a pointer to an object
* with a DataObject API. This allows a pointer to an object to be
* encapsulated in a DataObject and passed through the pipeline. This
* object differs from SimpleDataObjectDecorator in that the decorator
* takes control of deleting the pointer upon destruction.
*
* 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 (i.e. a
* null pointer).
*
* \sa SimpleDataObjectDecorator
* \sa DataObjectDecorator
* \ingroup ITKSystemObjects
*
* \ingroup ITKCommon
*/
template <typename T>
class ITK_TEMPLATE_EXPORT AutoPointerDataObjectDecorator : public DataObject
{
public:
ITK_DISALLOW_COPY_AND_MOVE(AutoPointerDataObjectDecorator);
/** Standard type alias */
using Self = AutoPointerDataObjectDecorator;
using Superclass = DataObject;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Typedef for the component type (object being decorated) */
using ComponentType = T;
using ComponentPointer = std::unique_ptr<T>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(AutoPointerDataObjectDecorator);
/** Set the contained object */
virtual void
Set(T * val);
/** Get the contained object */
virtual T *
Get()
{
return m_Component.get();
}
virtual const T *
Get() const
{
return m_Component.get();
}
protected:
AutoPointerDataObjectDecorator() = default;
~AutoPointerDataObjectDecorator() override = default;
void
PrintSelf(std::ostream & os, Indent indent) const override;
protected:
private:
ComponentPointer m_Component{};
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkAutoPointerDataObjectDecorator.hxx"
#endif
#endif
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