vtkEnsembleDataReader.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkEnsembleDataReader_h
#define vtkEnsembleDataReader_h
 
#include "vtkDataObjectAlgorithm.h"
#include "vtkPVVTKExtensionsIOGeneralModule.h" //needed for exports
 
#include <string> // for std::string
 
class VTKPVVTKEXTENSIONSIOGENERAL_EXPORT vtkEnsembleDataReader : public vtkDataObjectAlgorithm
{
public:
  static vtkEnsembleDataReader* New();
  vtkTypeMacro(vtkEnsembleDataReader, vtkDataObjectAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkSetStringMacro(FileName);
  vtkGetStringMacro(FileName);
 
 
  vtkSetMacro(CurrentMember, unsigned int);
  vtkGetMacro(CurrentMember, unsigned int);
 
 
  unsigned int GetNumberOfMembers() const;
  vtkGetVector2Macro(CurrentMemberRange, unsigned int);
 
  std::string GetFilePath(unsigned int rowIndex) const;
 
  void SetReader(unsigned int rowIndex, vtkAlgorithm* reader);
 
  void ResetReaders();
 
  bool UpdateMetaData();
 
protected:
  vtkEnsembleDataReader();
  ~vtkEnsembleDataReader() override;
 
  int ProcessRequest(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  vtkAlgorithm* GetCurrentReader();
 
private:
  char* FileName;
  unsigned int CurrentMember;
  unsigned int CurrentMemberRange[2];
 
  class vtkInternal;
  vtkInternal* Internal;
 
  vtkEnsembleDataReader(const vtkEnsembleDataReader&) = delete;
  void operator=(const vtkEnsembleDataReader&) = delete;
};
 
#endif