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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkPOpenFOAMReader.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.

=========================================================================*/
#ifndef vtkPOpenFOAMReader_h
#define vtkPOpenFOAMReader_h

#include "vtkIOParallelModule.h" // For export macro
#include "vtkOpenFOAMReader.h"

class vtkDataArraySelection;
class vtkMultiProcessController;

class VTKIOPARALLEL_EXPORT vtkPOpenFOAMReader : public vtkOpenFOAMReader
{
public:
  //BTX
  enum caseType { DECOMPOSED_CASE = 0, RECONSTRUCTED_CASE = 1 };
  //ETX
  static vtkPOpenFOAMReader *New();
  vtkTypeMacro(vtkPOpenFOAMReader, vtkOpenFOAMReader);

  void PrintSelf(ostream &os, vtkIndent indent);


  void SetCaseType(const int t);
  vtkGetMacro(CaseType, caseType);


  virtual void SetController(vtkMultiProcessController *);
  vtkGetObjectMacro(Controller, vtkMultiProcessController);

protected:
  vtkPOpenFOAMReader();
  ~vtkPOpenFOAMReader();

  int RequestInformation(vtkInformation *, vtkInformationVector **,
    vtkInformationVector *);
  int RequestData(vtkInformation *, vtkInformationVector **,
    vtkInformationVector *);

private:
  vtkMultiProcessController *Controller;
  caseType CaseType;
  unsigned long MTimeOld;
  int NumProcesses;
  int ProcessId;

  vtkPOpenFOAMReader(const vtkPOpenFOAMReader &); // Not implemented.
  void operator=(const vtkPOpenFOAMReader &); // Not implemented.

  void GatherMetaData();
  void BroadcastStatus(int &);
  void Broadcast(vtkStringArray *);
  void AllGather(vtkStringArray *);
  void AllGather(vtkDataArraySelection *);
};

#endif