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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkInformationObjectBaseKey
* @brief Key for vtkObjectBase values.
*
* vtkInformationObjectBaseKey is used to represent keys in
* vtkInformation for values that are vtkObjectBase instances.
*/
#ifndef vtkInformationObjectBaseKey_h
#define vtkInformationObjectBaseKey_h
#include "vtkCommonCoreModule.h" // For export macro
#include "vtkInformationKey.h"
#include "vtkCommonInformationKeyManager.h" // Manage instances of this type.
VTK_ABI_NAMESPACE_BEGIN
class vtkObjectBase;
class VTKCOMMONCORE_EXPORT vtkInformationObjectBaseKey : public vtkInformationKey
{
public:
vtkTypeMacro(vtkInformationObjectBaseKey, vtkInformationKey);
void PrintSelf(ostream& os, vtkIndent indent) override;
vtkInformationObjectBaseKey(
const char* name, const char* location, const char* requiredClass = nullptr);
~vtkInformationObjectBaseKey() override;
/**
* This method simply returns a new vtkInformationObjectBaseKey, given a
* name, location and optionally a required class (a classname to restrict
* which class types can be set with this key). This method is provided
* for wrappers. Use the constructor directly from C++ instead.
*/
static VTK_NEWINSTANCE vtkInformationObjectBaseKey* MakeKey(
const char* name, const char* location, const char* requiredClass = nullptr)
{
return new vtkInformationObjectBaseKey(name, location, requiredClass);
}
///@{
/**
* Get/Set the value associated with this key in the given
* information object.
*/
void Set(vtkInformation* info, vtkObjectBase*);
vtkObjectBase* Get(vtkInformation* info);
///@}
/**
* Copy the entry associated with this key from one information
* object to another. If there is no entry in the first information
* object for this key, the value is removed from the second.
*/
void ShallowCopy(vtkInformation* from, vtkInformation* to) override;
/**
* Report a reference this key has in the given information object.
*/
void Report(vtkInformation* info, vtkGarbageCollector* collector) override;
protected:
// The type required of all objects stored with this key.
const char* RequiredClass;
vtkInformationKeySetStringMacro(RequiredClass);
private:
vtkInformationObjectBaseKey(const vtkInformationObjectBaseKey&) = delete;
void operator=(const vtkInformationObjectBaseKey&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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