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

  Program:   Visualization Toolkit
  Module:    vtkInformationVariantKey.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 vtkInformationVariantKey_h
#define vtkInformationVariantKey_h

#include "vtkCommonCoreModule.h" // For export macro
#include "vtkInformationKey.h"

#include "vtkCommonInformationKeyManager.h" // Manage instances of this type.

class vtkVariant;

class VTKCOMMONCORE_EXPORT vtkInformationVariantKey : public vtkInformationKey
{
public:
  vtkTypeMacro(vtkInformationVariantKey,vtkInformationKey);
  void PrintSelf(ostream& os, vtkIndent indent);

  vtkInformationVariantKey(const char* name, const char* location);
  ~vtkInformationVariantKey();


  static vtkInformationVariantKey* MakeKey(const char* name, const char* location)
    {
    return new vtkInformationVariantKey(name, location);
    }


  void Set(vtkInformation* info, const vtkVariant&);
  const vtkVariant& Get(vtkInformation* info);

  virtual void ShallowCopy(vtkInformation* from, vtkInformation* to);

  virtual void Print(ostream& os, vtkInformation* info);

protected:
  vtkVariant* GetWatchAddress(vtkInformation* info);

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

#endif