You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

66 lines
2.2 KiB
C++

/*=========================================================================
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.
=========================================================================*/
/**
* @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.
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&);
vtkCommonInformationKeyManager& operator=(const vtkCommonInformationKeyManager&);
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