/*=========================================================================

  Program:   Advanced Normalization Tools

  Copyright (c) ConsortiumOfANTS. All rights reserved.
  See accompanying COPYING.txt or
  https://github.com/stnava/ANTs/blob/master/ANTSCopyright.txt
  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 __antsPassThroughListSampleFilter_h
#define __antsPassThroughListSampleFilter_h

#include "antsListSampleToListSampleFilter.h"

namespace itk
{
namespace ants
{
namespace Statistics
{
/** \class PassThroughListSampleFilter
 * \brief Simple class which pass the input to the output.
 *
 */

template <typename TListSample>
class PassThroughListSampleFilter : public ListSampleToListSampleFilter<TListSample, TListSample>
{
public:
  /**
   * Standard class typedefs.
   */
  typedef PassThroughListSampleFilter                            Self;
  typedef ListSampleToListSampleFilter<TListSample, TListSample> Superclass;
  typedef SmartPointer<Self>                                     Pointer;
  typedef SmartPointer<const Self>                               ConstPointer;

  /**
   * Standard macros
   */
  itkTypeMacro(PassThroughListSampleFilter, ListSampleToScalarListSampleFilter);

  /**
   * Method for creation through the object factory.
   */
  itkNewMacro(Self);

  /**
   * Conveneient typedefs
   */
  typedef TListSample                                    ListSampleType;
  typedef ListSampleType                                 InputType;
  typedef typename ListSampleType::MeasurementVectorType MeasurementVectorType;
  typedef typename ListSampleType::MeasurementType       MeasurementType;

protected:
  PassThroughListSampleFilter();
  virtual ~PassThroughListSampleFilter();

  void
  PrintSelf(std::ostream & os, Indent indent) const;

  virtual void
  GenerateData();

private:
  PassThroughListSampleFilter(const Self &) = delete;
  void
  operator=(const Self &) = delete;
}; // end of class
} // end of namespace Statistics
} // end of namespace ants
} // end of namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#  include "antsPassThroughListSampleFilter.hxx"
#endif

#endif
