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

  Program:   Visualization Toolkit
  Module:    vtkPassThroughFilter.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm 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 notice for more information.

=========================================================================*/
/**
 * @class   vtkPassThroughFilter
 * @brief   Filter which shallow copies it's input to it's output
 *
 * This filter shallow copies it's input to it's output. It is normally
 * used by PVSources with multiple outputs as the VTK filter in the
 * dummy connection objects at each output.
 */

#ifndef vtkPassThroughFilter_h
#define vtkPassThroughFilter_h

#include "vtkDataSetAlgorithm.h"
#include "vtkDeprecation.h"           // For VTK_DEPRECATED_IN_9_0_0
#include "vtkFiltersParallelModule.h" // For export macro

class vtkFieldData;

VTK_DEPRECATED_IN_9_1_0("Use vtkPassThrough instead.")
class VTKFILTERSPARALLEL_EXPORT vtkPassThroughFilter : public vtkDataSetAlgorithm
{
public:
  vtkTypeMacro(vtkPassThroughFilter, vtkDataSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  /**
   * Create a new vtkPassThroughFilter.
   */
  static vtkPassThroughFilter* New();

protected:
  vtkPassThroughFilter();
  ~vtkPassThroughFilter() override = default;

  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;

private:
  vtkPassThroughFilter(const vtkPassThroughFilter&) = delete;
  void operator=(const vtkPassThroughFilter&) = delete;
};

#endif
