vtkCompositeDataSetAlgorithm.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkCompositeDataSetAlgorithm_h
#define vtkCompositeDataSetAlgorithm_h

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

VTK_ABI_NAMESPACE_BEGIN
class vtkCompositeDataSet;

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


  vtkCompositeDataSet* GetOutput();
  vtkCompositeDataSet* GetOutput(int);


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

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

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

  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;
  }

  virtual int RequestUpdateTime(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:
  vtkCompositeDataSetAlgorithm(const vtkCompositeDataSetAlgorithm&) = delete;
  void operator=(const vtkCompositeDataSetAlgorithm&) = delete;
};

VTK_ABI_NAMESPACE_END
#endif