event.hpp

// Copyright (c) 2000-2023 TeamDev Ltd. All rights reserved.
// TeamDev PROPRIETARY and CONFIDENTIAL.
// Use is subject to license terms.
 
#ifndef MOLYBDEN_EVENT_HPP
#define MOLYBDEN_EVENT_HPP
 
#include <atomic>
#include <functional>
#include <unordered_map>
 
#include "molybden/base/internal/event_impl.hpp"
 
namespace molybden {
 
template <typename T>
class Event {
 public:
  using Signature = void(const T& e);
 
  std::shared_ptr<Subscription> operator+=(std::function<Signature> observer);
 
 private:
  void notify(const T& args);
 
  internal::EventImpl<T> impl_;
  friend class ObservableOwner;
};
 
template <typename T>
std::shared_ptr<Subscription> Event<T>::operator+=(
    std::function<Signature> observer) {
  return impl_ += observer;
}
 
template <typename T>
void Event<T>::notify(const T& args) {
  impl_.notify(args);
}
 
}  // namespace molybden
 
#endif  // MOLYBDEN_EVENT_HPP