itkNodePair.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.
 *
 *=========================================================================*/
 
#ifndef itkNodePair_h
#define itkNodePair_h
 
#include <utility>
 
namespace itk
{
template <typename TNode, typename TOutputPixel>
class NodePair : private std::pair<TNode, TOutputPixel>
{
public:
  using Self = NodePair;
  using Superclass = std::pair<TNode, TOutputPixel>;
 
  using NodeType = TNode;
  using OutputPixelType = TOutputPixel;
 
  NodePair()
    : Superclass()
  {}
  NodePair(const TNode & iNode, const TOutputPixel & iValue)
    : Superclass(iNode, iValue)
  {}
  NodePair(const Self & iPair)
    : Superclass(iPair)
  {}
 
  void
  operator=(const Self & iPair)
  {
    this->first = iPair.first;
    this->second = iPair.second;
  }
 
  void
  SetValue(const TOutputPixel & iValue)
  {
    this->second = iValue;
  }
  const TOutputPixel &
  GetValue() const
  {
    return this->second;
  }
  TOutputPixel &
  GetValue()
  {
    return this->second;
  }
  void
  SetNode(const TNode & iNode)
  {
    this->first = iNode;
  }
  const TNode &
  GetNode() const
  {
    return this->first;
  }
  TNode &
  GetNode()
  {
    return this->first;
  }
 
  bool
  operator<(const Self & iRight) const
  {
    return this->second < iRight.second;
  }
 
  bool
  operator>(const Self & iRight) const
  {
    return this->second > iRight.second;
  }
 
  bool
  operator<=(const Self & iRight) const
  {
    return this->second <= iRight.second;
  }
 
  bool
  operator>=(const Self & iRight) const
  {
    return this->second >= iRight.second;
  }
};
 
} // end namespace itk
#endif // itkNodePair_h