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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkCommonInformationKeyManager
* @brief Manages key types in vtkCommon.
*
* 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.
VTK_ABI_NAMESPACE_BEGIN
class vtkInformationKey;
class VTKCOMMONCORE_EXPORT vtkCommonInformationKeyManager
{
public:
vtkCommonInformationKeyManager();
~vtkCommonInformationKeyManager();
/**
* 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:
// Unimplemented
vtkCommonInformationKeyManager(const vtkCommonInformationKeyManager&) = delete;
vtkCommonInformationKeyManager& operator=(const vtkCommonInformationKeyManager&) = delete;
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;
VTK_ABI_NAMESPACE_END
#endif
// VTK-HeaderTest-Exclude: vtkCommonInformationKeyManager.h
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