dox/Common/vtkCommonInformationKeyManager.h

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

  Program:   Visualization Toolkit
  Module:    vtkCommonInformationKeyManager.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 __vtkCommonInformationKeyManager_h
#define __vtkCommonInformationKeyManager_h

#include "vtkSystemIncludes.h"

#include "vtkDebugLeaksManager.h" // DebugLeaks exists longer than info keys.

class vtkInformationKey;

class VTK_COMMON_EXPORT vtkCommonInformationKeyManager
{
public:
  vtkCommonInformationKeyManager();
  ~vtkCommonInformationKeyManager();

  static void Register(vtkInformationKey* key);

private:
  static void ClassInitialize();
  static void ClassFinalize();
};

// This instance will show up in any translation unit that uses key
// types defined in vtkCommon or that has a singleton.  It will
// make sure vtkCommonInformationKeyManager's vector of keys is
// initialized before and destroyed after it is used.
static vtkCommonInformationKeyManager vtkCommonInformationKeyManagerInstance;

#endif