vtkPChacoReader.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright (c) Sandia Corporation
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkPChacoReader_h
#define vtkPChacoReader_h
 
#include "vtkChacoReader.h"
#include "vtkIOParallelModule.h" // For export macro
 
VTK_ABI_NAMESPACE_BEGIN
class vtkTimerLog;
class vtkMultiProcessController;
 
class VTKIOPARALLEL_EXPORT vtkPChacoReader : public vtkChacoReader
{
public:
  static vtkPChacoReader* New();
  vtkTypeMacro(vtkPChacoReader, vtkChacoReader);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  void SetController(vtkMultiProcessController* c);
  vtkGetObjectMacro(Controller, vtkMultiProcessController);
 
protected:
  vtkPChacoReader();
  ~vtkPChacoReader() override;
 
  int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
private:
  vtkPChacoReader(const vtkPChacoReader&) = delete;
  void operator=(const vtkPChacoReader&) = delete;
 
  void SetUpEmptyGrid(vtkUnstructuredGrid* output);
  int DivideCells(vtkMultiProcessController* contr, vtkUnstructuredGrid* output, int source);
  int SendGrid(vtkMultiProcessController* c, int to, vtkUnstructuredGrid* grid);
  vtkUnstructuredGrid* GetGrid(vtkMultiProcessController* c, int from);
  vtkUnstructuredGrid* SubGrid(vtkUnstructuredGrid* ug, vtkIdType from, vtkIdType to);
  char* MarshallDataSet(vtkUnstructuredGrid* extractedGrid, vtkIdType& len);
  vtkUnstructuredGrid* UnMarshallDataSet(char* buf, vtkIdType size);
 
  int NumProcesses;
  int MyId;
 
  vtkMultiProcessController* Controller;
};
 
VTK_ABI_NAMESPACE_END
#endif