memgraph/src/coordinator/hybrid_logical_clock.hpp
2022-09-21 18:25:51 +02:00

37 lines
1.2 KiB
C++

// Copyright 2022 Memgraph Ltd.
//
// Use of this software is governed by the Business Source License
// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
// License, and you may not use this file except in compliance with the Business Source License.
//
// As of the Change Date specified in that file, in accordance with
// the Business Source License, use of this software will be governed
// by the Apache License, Version 2.0, included in the file
// licenses/APL.txt.
#pragma once
#include <compare>
#include "io/time.hpp"
namespace memgraph::coordinator {
using Time = memgraph::io::Time;
/// Hybrid-logical clock
struct Hlc {
uint64_t logical_id;
Time coordinator_wall_clock;
auto operator<=>(const Hlc &other) const { return logical_id <=> other.logical_id; }
bool operator==(const Hlc &other) const = default;
bool operator<(const Hlc &other) const = default;
bool operator==(const uint64_t other) const { return logical_id == other; }
bool operator<(const uint64_t other) const { return logical_id < other; }
bool operator>=(const uint64_t other) const { return logical_id >= other; }
};
} // namespace memgraph::coordinator