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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.
=========================================================================*/
// .NAME vtkCommonInformationKeyManager - Manages key types in vtkCommon.
// .SECTION Description
// vtkCommonInformationKeyManager is included in the header of any
// subclass of vtkInformationKey defined in the vtkCommon library.
// It makes sure that the table of keys is created before and
// destroyed after it is used.
#ifndef vtkCommonInformationKeyManager_h
#define vtkCommonInformationKeyManager_h
#include "vtkCommonCoreModule.h" // For export macro
#include "vtkSystemIncludes.h"
#include "vtkDebugLeaksManager.h" // DebugLeaks exists longer than info keys.
class vtkInformationKey;
class VTKCOMMONCORE_EXPORT vtkCommonInformationKeyManager
{
public:
vtkCommonInformationKeyManager();
~vtkCommonInformationKeyManager();
// Description:
// Called by constructors of vtkInformationKey subclasses defined in
// vtkCommon to register themselves with the manager. The
// instances will be deleted when vtkCommon is unloaded on
// program exit.
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
// VTK-HeaderTest-Exclude: vtkCommonInformationKeyManager.h
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