vtkForEach.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkForEach_h
#define vtkForEach_h
 
#include "vtkCommonExecutionModelModule.h" // for export macro
#include "vtkDataObjectAlgorithm.h"
 
#include <memory> // for std::unique_ptr
 
VTK_ABI_NAMESPACE_BEGIN
 
class vtkEndFor;
class vtkExecutionRange;
class vtkInformationObjectBaseKey;
class VTKCOMMONEXECUTIONMODEL_EXPORT vtkForEach : public vtkDataObjectAlgorithm
{
public:
  static vtkForEach* New();
  vtkTypeMacro(vtkForEach, vtkDataObjectAlgorithm);
  void PrintSelf(std::ostream& os, vtkIndent indent) override;
 
  static vtkInformationObjectBaseKey* FOR_EACH_FILTER();
 
  virtual void SetRange(vtkExecutionRange*);
 
  virtual bool IsIterating();
 
  virtual void RegisterEndFor(vtkEndFor*);
 
protected:
  vtkForEach();
  ~vtkForEach() override;
 
  int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestDataObject(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestUpdateExtent(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
private:
  vtkForEach(const vtkForEach&) = delete;
  void operator=(const vtkForEach&) = delete;
 
  struct Internals;
  std::unique_ptr<Internals> Internal;
};
 
VTK_ABI_NAMESPACE_END
 
#endif // vtkForEach_h