itkMetaDataObjectBase.h

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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 itkMetaDataObjectBase_h
#define itkMetaDataObjectBase_h
 
#include "itkLightObject.h"
#include <typeinfo>
#include <iostream>
 
namespace itk
{
class ITKCommon_EXPORT MetaDataObjectBase : public LightObject
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(MetaDataObjectBase);
 
  using Self = MetaDataObjectBase;
  using Superclass = LightObject;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  itkOverrideGetNameOfClassMacro(MetaDataObjectBase);
 
  virtual const char *
  GetMetaDataObjectTypeName() const;
 
  virtual const std::type_info &
  GetMetaDataObjectTypeInfo() const;
 
  friend bool
  operator==(const Self & lhs, const Self & rhs)
  {
    return lhs.Equal(rhs);
  }
 
  friend bool
  operator!=(const Self & lhs, const Self & rhs)
  {
    return !(lhs == rhs);
  }
 
 
  virtual void
  Print(std::ostream & os) const;
 
protected:
  MetaDataObjectBase();
  ~MetaDataObjectBase() override;
 
private:
  virtual bool
  Equal(const MetaDataObjectBase &) const = 0;
};
} // namespace itk
 
#endif // itkMetaDataObjectBase_h