Java tutorial
/** * Copyright (c) 2016, All Contributors (see CONTRIBUTORS file) * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ package com.eventsourcing.hlc; import com.google.common.util.concurrent.Service; /** * PhysicalTimeProvider interface allows connecting different implementations * of NTP 64-bit timestamps */ public interface PhysicalTimeProvider extends Service { /** * @return Current timestamp as an NTP 64-bit value. */ long getPhysicalTime(); }