vtkMultiBlockDataSetAlgorithm.h

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

  Program:   Visualization Toolkit
  Module:    vtkMultiBlockDataSetAlgorithm.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 vtkMultiBlockDataSetAlgorithm_h
#define vtkMultiBlockDataSetAlgorithm_h

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

class vtkMultiBlockDataSet;

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


  vtkMultiBlockDataSet* GetOutput();
  vtkMultiBlockDataSet* GetOutput(int);


  void SetInputData(vtkDataObject*);
  void SetInputData(int, vtkDataObject*);

  int ProcessRequest(vtkInformation* request,
                             vtkInformationVector** inputVector,
                             vtkInformationVector* outputVector) override;

protected:
  vtkMultiBlockDataSetAlgorithm();
  ~vtkMultiBlockDataSetAlgorithm() override {}

  virtual int RequestDataObject(vtkInformation*,
                                vtkInformationVector**,
                                vtkInformationVector*) {return 1;};

  virtual int RequestInformation(vtkInformation*,
                                 vtkInformationVector**,
                                 vtkInformationVector*) {return 1;};

  virtual int RequestData(vtkInformation*,
                          vtkInformationVector**,
                          vtkInformationVector*) {return 1;};


  virtual int RequestUpdateExtent(vtkInformation*,
                                  vtkInformationVector**,
                                  vtkInformationVector*)
  {
      return 1;
  };

  // Create a default executive.
  vtkExecutive* CreateDefaultExecutive() override;

  // see algorithm for more info
  int FillOutputPortInformation(int port, vtkInformation* info) override;
  int FillInputPortInformation(int port, vtkInformation* info) override;

  vtkDataObject *GetInput(int port);

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

#endif