59 lines
1.2 KiB
C++
59 lines
1.2 KiB
C++
//
|
|
// 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 <type_traits>
|
|
|
|
namespace td {
|
|
|
|
class FileDbId {
|
|
uint64 id = 0;
|
|
|
|
public:
|
|
FileDbId() = default;
|
|
|
|
explicit FileDbId(uint64 file_db_id) : id(file_db_id) {
|
|
}
|
|
template <class T1, typename = std::enable_if_t<std::is_convertible<T1, uint64>::value>>
|
|
FileDbId(T1 file_db_id) = delete;
|
|
|
|
bool empty() const {
|
|
return id == 0;
|
|
}
|
|
bool is_valid() const {
|
|
return id > 0;
|
|
}
|
|
|
|
uint64 get() const {
|
|
return id;
|
|
}
|
|
|
|
bool operator<(const FileDbId &other) const {
|
|
return id < other.id;
|
|
}
|
|
bool operator>(const FileDbId &other) const {
|
|
return id > other.id;
|
|
}
|
|
|
|
bool operator==(const FileDbId &other) const {
|
|
return id == other.id;
|
|
}
|
|
|
|
bool operator!=(const FileDbId &other) const {
|
|
return id != other.id;
|
|
}
|
|
};
|
|
|
|
inline StringBuilder &operator<<(StringBuilder &sb, const FileDbId &id) {
|
|
return sb << "FileDbId{" << id.get() << "}";
|
|
}
|
|
|
|
} // namespace td
|