text: /*=========================================================================
   *
   *  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
   *
   *         http://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 itkVectorContainerToListSampleAdaptor_hxx
  #define itkVectorContainerToListSampleAdaptor_hxx
  
  #include "itkVectorContainerToListSampleAdaptor.h"
  
  namespace itk
  {
  namespace Statistics
  {
  template <typename TVectorContainer>
  VectorContainerToListSampleAdaptor<TVectorContainer>::VectorContainerToListSampleAdaptor()
  {
    this->m_VectorContainer = nullptr;
  }
  
  template <typename TVectorContainer>
  void
  VectorContainerToListSampleAdaptor<TVectorContainer>::PrintSelf(std::ostream & os, Indent indent) const
  {
    Superclass::PrintSelf(os, indent);
  
    os << indent << "VectorContainer: ";
    if (this->m_VectorContainer.IsNotNull())
    {
      os << this->m_VectorContainer << std::endl;
    }
    else
    {
      os << "not set." << std::endl;
    }
  }
  
  template <typename TVectorContainer>
  typename VectorContainerToListSampleAdaptor<TVectorContainer>::InstanceIdentifier
  VectorContainerToListSampleAdaptor<TVectorContainer>::Size() const
  {
    if (this->m_VectorContainer.IsNull())
    {
      itkExceptionMacro("Vector container has not been set yet");
    }
  
    return this->m_VectorContainer->Size();
  }
  
  template <typename TVectorContainer>
  inline const typename VectorContainerToListSampleAdaptor<TVectorContainer>::MeasurementVectorType &
  VectorContainerToListSampleAdaptor<TVectorContainer>::GetMeasurementVector(InstanceIdentifier identifier) const
  {
    if (this->m_VectorContainer.IsNull())
    {
      itkExceptionMacro("Vector container has not been set yet");
    }
  
    return this->m_VectorContainer->ElementAt(identifier);
  }
  
  template <typename TVectorContainer>
  inline typename VectorContainerToListSampleAdaptor<TVectorContainer>::AbsoluteFrequencyType
    VectorContainerToListSampleAdaptor<TVectorContainer>::GetFrequency(InstanceIdentifier) const
  {
    if (this->m_VectorContainer.IsNull())
    {
      itkExceptionMacro("Vector container has not been set yet");
    }
  
    return 1;
  }
  
  template <typename TVectorContainer>
  typename VectorContainerToListSampleAdaptor<TVectorContainer>::TotalAbsoluteFrequencyType
  VectorContainerToListSampleAdaptor<TVectorContainer>::GetTotalFrequency() const
  {
    if (this->m_VectorContainer.IsNull())
    {
      itkExceptionMacro("Vector container has not been set yet");
    }
    return this->Size();
  }
  } // end of namespace Statistics
  } // end of namespace itk
  
  #endif
  