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

  Program:   Visualization Toolkit
  Module:    vtkAbstractParticleWriter.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.

=========================================================================*/
// .NAME vtkAbstractParticleWriter - abstract class to write particle data to file
// .SECTION Description
// vtkAbstractParticleWriter is an abstract class which is used by
// vtkTemporalStreamTracer to write particles out during simulations.
// This class is abstract and provides a TimeStep and FileName.
// Subclasses of this should provide the necessary IO.

// .SECTION Caveats
// See vtkWriter

// .SECTION See Also
// vtkTemporalStreamTracer

#ifndef vtkAbstractParticleWriter_h
#define vtkAbstractParticleWriter_h

#include "vtkIOCoreModule.h" // For export macro
#include "vtkWriter.h"

class VTKIOCORE_EXPORT vtkAbstractParticleWriter : public vtkWriter
{
public:
  vtkTypeMacro(vtkAbstractParticleWriter,vtkWriter);
  void PrintSelf(ostream& os, vtkIndent indent);

  // Description:
  // Set/get the TimeStep that is being written
  vtkSetMacro(TimeStep, int);
  vtkGetMacro(TimeStep, int);

  // Description:
  // Before writing the current data out, set the TimeValue (optional)
  // The TimeValue is a float/double value that corresonds to the real
  // time of the data, it may not be regular, whereas the TimeSteps
  // are simple increments.
  vtkSetMacro(TimeValue,double);
  vtkGetMacro(TimeValue,double);

  // Description:
  // Set/get the FileName that is being written to
  vtkSetStringMacro(FileName);
  vtkGetStringMacro(FileName);

  // Description:
  // When running in parallel, this writer may be capable of
  // Collective IO operations (HDF5). By default, this is off.
  vtkSetMacro(CollectiveIO,int);
  vtkGetMacro(CollectiveIO,int);
  void SetWriteModeToCollective();
  void SetWriteModeToIndependent();

  // Description:
  // Close the file after a write. This is optional but
  // may protect against data loss in between steps
  virtual void CloseFile() = 0;

protected:
   vtkAbstractParticleWriter();
  ~vtkAbstractParticleWriter();

  virtual void WriteData() = 0; //internal method subclasses must respond to
  int          CollectiveIO;
  int          TimeStep;
  double       TimeValue;
  char        *FileName;

private:
  vtkAbstractParticleWriter(const vtkAbstractParticleWriter&);  // Not implemented.
  void operator=(const vtkAbstractParticleWriter&);  // Not implemented.
};

#endif