annotation.h

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// === annotation.h ====================================================================================================
//                                               Sen Infrastructure
//                   Released under the Apache License v2.0 (SPDX-License-Identifier Apache-2.0).
//                                    See the LICENSE.txt file for more information.
//                   © Airbus SAS, Airbus Helicopters, and Airbus Defence and Space SAU/GmbH/SAS.
// =====================================================================================================================
 
#ifndef SEN_DB_ANNOTATION_H
#define SEN_DB_ANNOTATION_H
 
// sen
#include "sen/core/base/span.h"
#include "sen/core/meta/type.h"
#include "sen/core/meta/var.h"
 
// std
#include <vector>
 
namespace sen::db
{
 
class Input;

class Annotation
{
  SEN_COPY_MOVE(Annotation)
 
public:
  ~Annotation() = default;
 
public:
  [[nodiscard]] const ConstTypeHandle<>& getType() const noexcept;

  [[nodiscard]] Span<const uint8_t> getValueAsBuffer() const noexcept;

  [[nodiscard]] const Var& getValueAsVariant() const;
 
private:
  friend class Input;
  Annotation(ConstTypeHandle<> type, std::vector<uint8_t> buffer);
 
private:
  ConstTypeHandle<> type_;
  mutable bool variantExtracted_ = false;
  mutable Var variant_;
  std::vector<uint8_t> buffer_;
};
 
}  // namespace sen::db
 
#endif  // SEN_DB_ANNOTATION_H