tdlight/td/telegram/NotificationId.h

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//
2022-01-01 01:35:39 +01:00
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2022
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#pragma once
#include "td/utils/common.h"
#include "td/utils/StringBuilder.h"
#include <functional>
#include <limits>
#include <type_traits>
namespace td {
class NotificationId {
public:
NotificationId() = default;
explicit constexpr NotificationId(int32 notification_id) : id(notification_id) {
}
template <class T, typename = std::enable_if_t<std::is_convertible<T, int32>::value>>
NotificationId(T notification_id) = delete;
static constexpr NotificationId max() {
return NotificationId(std::numeric_limits<int32>::max());
}
bool is_valid() const {
return id > 0;
}
int32 get() const {
return id;
}
bool operator==(const NotificationId &other) const {
return id == other.id;
}
bool operator!=(const NotificationId &other) const {
return id != other.id;
}
template <class StorerT>
void store(StorerT &storer) const {
storer.store_int(id);
}
template <class ParserT>
void parse(ParserT &parser) {
id = parser.fetch_int();
}
private:
int32 id{0};
};
struct NotificationIdHash {
std::size_t operator()(NotificationId notification_id) const {
return std::hash<int32>()(notification_id.get());
}
};
inline StringBuilder &operator<<(StringBuilder &sb, const NotificationId notification_id) {
return sb << "notification " << notification_id.get();
}
} // namespace td