vtkADIOS2VTXReader.h

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/*=========================================================================
 
 Program:   Visualization Toolkit
 Module:    vtkADIOS2VTXReader.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.
 
 =========================================================================*/
 
/*
 * vtkADIOS2VTXReader.h  public facing class
 *                     enables reading adios2 bp files using the
 *                     VTK ADIOS2 Readers (VTX) developed
 *                     at Oak Ridge National Laboratory
 *
 *  Created on: May 1, 2019
 *      Author: William F Godoy godoywf@ornl.gov
 */
 
#ifndef vtkADIOS2VTXReader_h
#define vtkADIOS2VTXReader_h
 
#include <memory> // std::unique_ptr
 
#include "vtkIOADIOS2Module.h" // For export macro
#include "vtkMultiBlockDataSetAlgorithm.h"
 
// forward declaring to keep it private
namespace vtx
{
class VTXSchemaManager;
}
 
class vtkIndent;
class vtkInformation;
class vtkInformationvector;
 
class VTKIOADIOS2_EXPORT vtkADIOS2VTXReader : public vtkMultiBlockDataSetAlgorithm
{
public:
  static vtkADIOS2VTXReader* New();
  vtkTypeMacro(vtkADIOS2VTXReader, vtkMultiBlockDataSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent index) override;
 
  vtkSetStringMacro(FileName);
  vtkGetStringMacro(FileName);
 
protected:
  vtkADIOS2VTXReader();
  ~vtkADIOS2VTXReader() = default;
 
  vtkADIOS2VTXReader(const vtkADIOS2VTXReader&) = delete;
  void operator=(const vtkADIOS2VTXReader&) = delete;
 
  int RequestInformation(
    vtkInformation*, vtkInformationVector**, vtkInformationVector* outputVector);
  int RequestUpdateExtent(
    vtkInformation*, vtkInformationVector**, vtkInformationVector* outputVector);
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector* outputVector);
 
private:
  char* FileName;
  std::unique_ptr<vtx::VTXSchemaManager> SchemaManager;
};
 
#endif /* vtkADIOS2VTXReader_h */