task_context_holder.hpp

#pragma once
 
#include <boost/smart_ptr/intrusive_ptr.hpp>
 
USERVER_NAMESPACE_BEGIN
 
namespace engine::impl {
 
class TaskContext;
 
class TaskContextHolder final {
 public:
  TaskContextHolder() noexcept = default;
 
  explicit TaskContextHolder(
      boost::intrusive_ptr<TaskContext>&& context) noexcept;
 
  static TaskContextHolder Adopt(TaskContext& context) noexcept;
 
  TaskContextHolder(TaskContextHolder&&) noexcept = default;
  TaskContextHolder& operator=(TaskContextHolder&&) = delete;
  ~TaskContextHolder();
 
  boost::intrusive_ptr<TaskContext>&& Extract() && noexcept;
 
 private:
  boost::intrusive_ptr<TaskContext> context_;
};
 
}  // namespace engine::impl
 
USERVER_NAMESPACE_END