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

  Program:   Visualization Toolkit
  Module:    vtkPistonAlgorithm.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.

=========================================================================*/
#ifndef vtkPistonAlgorithm_h
#define vtkPistonAlgorithm_h

#include "vtkAcceleratorsPistonModule.h" // For export macro
#include "vtkAlgorithm.h"

class vtkPistonDataObject;

class VTKACCELERATORSPISTON_EXPORT vtkPistonAlgorithm : public vtkAlgorithm
{
public:
  static vtkPistonAlgorithm *New();
  vtkTypeMacro(vtkPistonAlgorithm,vtkAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  virtual int ProcessRequest(vtkInformation*,
                             vtkInformationVector**,
                             vtkInformationVector*);


  vtkPistonDataObject *GetPistonDataObjectOutput(int port);


  void SetInputData(int num, vtkDataObject *input);
  void SetInputData(vtkDataObject *input) { this->SetInputData(0, input); };

protected:
  vtkPistonAlgorithm();
  ~vtkPistonAlgorithm();


  virtual int FillInputPortInformation(int port, vtkInformation* info);
  virtual int FillOutputPortInformation(int port, vtkInformation* info);


  virtual int RequestDataObject(vtkInformation* request,
                                vtkInformationVector** inputVector,
                                vtkInformationVector* outputVector);


  virtual int RequestInformation(vtkInformation* request,
                                 vtkInformationVector** inputVector,
                                 vtkInformationVector* outputVector);


  virtual int RequestUpdateExtent(vtkInformation*,
                                  vtkInformationVector**,
                                  vtkInformationVector*);


  virtual int RequestData(vtkInformation* request,
                          vtkInformationVector** inputVector,
                          vtkInformationVector* outputVector);


  virtual void PassBoundsForward(vtkPistonDataObject *id,
                                 vtkPistonDataObject *od);

private:
  vtkPistonAlgorithm(const vtkPistonAlgorithm&);  // Not implemented.
  void operator=(const vtkPistonAlgorithm&);  // Not implemented.
};

#endif