VTXSchemaManager.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
/*
 * VTXSchemaManager.h : reusable class that manages a reader that
 *                         is a derived type of VTXSchema
 *
 *  Created on: May 31, 2019
 *      Author: William F Godoy godoywf@ornl.gov
 */
 
#ifndef VTK_IO_ADIOS2_VTX_VTXSchemaManager_H_
#define VTK_IO_ADIOS2_VTX_VTXSchemaManager_H_
 
#include <memory>
#include <set>
#include <string>
 
#include "vtkMultiBlockDataSet.h"
 
#include "schema/VTXSchema.h"
#include <adios2.h>
 
namespace vtx
{
VTK_ABI_NAMESPACE_BEGIN
 
class VTXSchemaManager
{
public:
  double Time = 0.;
  size_t Step = 0;
 
  std::unique_ptr<VTXSchema> Reader;
 
  VTXSchemaManager() = default;
  ~VTXSchemaManager() = default;
 
  void Update(
    const std::string& streamName, size_t step = 0, const std::string& schemaName = "vtk.xml");
 
  void Fill(vtkMultiBlockDataSet* multiblock, size_t step = 0);
 
private:
  std::string StreamName;
 
  std::unique_ptr<adios2::ADIOS> ADIOS;
 
  adios2::IO IO;
 
  adios2::Engine Engine;
 
  std::string SchemaName;
 
  static const std::set<std::string> SupportedTypes;
 
  void InitReader();
 
  bool InitReaderXMLVTK();
};
 
VTK_ABI_NAMESPACE_END
} // end namespace adios2vtk
 
#endif /* VTK_IO_ADIOS2_VTX_VTXSchemaManager_h */