vtkTemporalDataSetCache.h

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

  Program:   Visualization Toolkit
  Module:    vtkTemporalDataSetCache.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 vtkTemporalDataSetCache_h
#define vtkTemporalDataSetCache_h

#include "vtkFiltersHybridModule.h" // For export macro

#include "vtkAlgorithm.h"
#include <map> // used for the cache

class VTKFILTERSHYBRID_EXPORT vtkTemporalDataSetCache : public vtkAlgorithm
{
public:
  static vtkTemporalDataSetCache *New();
  vtkTypeMacro(vtkTemporalDataSetCache, vtkAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  void SetCacheSize(int size);
  vtkGetMacro(CacheSize,int);

protected:
  vtkTemporalDataSetCache();
  ~vtkTemporalDataSetCache();

  int CacheSize;

  typedef std::map<double,std::pair<unsigned long,vtkDataObject *> >
  CacheType;
  CacheType Cache;

  virtual int ProcessRequest(vtkInformation* request,
                             vtkInformationVector** inputVector,
                             vtkInformationVector* outputVector);

  virtual int FillInputPortInformation(int port, vtkInformation* info);
  virtual int FillOutputPortInformation(int vtkNotUsed(port), vtkInformation* info);
  virtual int RequestDataObject( vtkInformation*,
                                 vtkInformationVector** inputVector ,
                                 vtkInformationVector* outputVector);

  virtual int RequestUpdateExtent (vtkInformation *,
                                   vtkInformationVector **,
                                   vtkInformationVector *);

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

private:
  vtkTemporalDataSetCache(const vtkTemporalDataSetCache&) VTK_DELETE_FUNCTION;
  void operator=(const vtkTemporalDataSetCache&) VTK_DELETE_FUNCTION;
};



#endif