Servers/Filters/vtkPVUpdateSuppressor.h

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

  Program:   ParaView
  Module:    $RCSfile: vtkPVUpdateSuppressor.h,v $

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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 __vtkPVUpdateSuppressor_h
#define __vtkPVUpdateSuppressor_h

#include "vtkDataSetAlgorithm.h"

class VTK_EXPORT vtkPVUpdateSuppressor : public vtkDataSetAlgorithm
{
public:
  vtkTypeRevisionMacro(vtkPVUpdateSuppressor,vtkDataSetAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkPVUpdateSuppressor *New();


  void RemoveAllCaches();
  void CacheUpdate(int idx, int total);

  void ForceUpdate();


  vtkSetMacro(UpdatePiece, int);
  vtkGetMacro(UpdatePiece, int);
  vtkSetMacro(UpdateNumberOfPieces, int);
  vtkGetMacro(UpdateNumberOfPieces, int);


  vtkSetStringMacro(OutputType);

protected:
  vtkPVUpdateSuppressor();
  ~vtkPVUpdateSuppressor();

  int UpdatePiece;
  int UpdateNumberOfPieces;

  vtkTimeStamp UpdateTime;

  vtkDataSet** CachedGeometry;
  int CachedGeometryLength;

  // Create a default executive.
  virtual vtkExecutive* CreateDefaultExecutive();

  virtual int RequestDataObject(vtkInformation*, 
                                vtkInformationVector**, 
                                vtkInformationVector*);
  char* OutputType;
  
  // This can be removed when streaming is removed.
  int PreviousUpdateWasBlockedByStreaming;  

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

#endif

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