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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkObjectIdMap
* @brief class used to assign Id to any VTK object and be able
* to retrieve it base on its id.
*/
#ifndef vtkObjectIdMap_h
#define vtkObjectIdMap_h
#include "vtkObject.h"
#include "vtkWebCoreModule.h" // needed for exports
VTK_ABI_NAMESPACE_BEGIN
class VTKWEBCORE_EXPORT vtkObjectIdMap : public vtkObject
{
public:
static vtkObjectIdMap* New();
vtkTypeMacro(vtkObjectIdMap, vtkObject);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* Retrieve a unique identifier for the given object or generate a new one
* if its global id was never requested.
*/
vtkTypeUInt32 GetGlobalId(vtkObject* obj);
/**
* Retrieve a vtkObject based on its global id. If not found return nullptr
*/
vtkObject* GetVTKObject(vtkTypeUInt32 globalId);
/**
* Assign an active key (string) to an existing object.
* This is usually used to provide another type of access to specific
* vtkObject that we want to retrieve easily using a string.
* Return the global Id of the given registered object
*/
vtkTypeUInt32 SetActiveObject(const char* objectType, vtkObject* obj);
/**
* Retrieve a previously stored object based on a name
*/
vtkObject* GetActiveObject(const char* objectType);
/**
* Given an object, remove any internal reference count due to
* internal Id/Object mapping.
* Returns true if the item existed in the map and was deleted.
*/
bool FreeObject(vtkObject* obj);
/**
* Given an id, remove any internal reference count due to
* internal Id/Object mapping.
* Returns true if the id existed in the map and was deleted.
*/
bool FreeObjectById(vtkTypeUInt32 id);
protected:
vtkObjectIdMap();
~vtkObjectIdMap() override;
private:
vtkObjectIdMap(const vtkObjectIdMap&) = delete;
void operator=(const vtkObjectIdMap&) = delete;
struct vtkInternals;
vtkInternals* Internals;
};
VTK_ABI_NAMESPACE_END
#endif
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