| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.bookkeeper.mledger.util; |
| |
| import java.time.Clock; |
| import java.time.Instant; |
| import java.time.ZoneId; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicLong; |
| |
| public class MockClock extends Clock { |
| private Instant initialInstant = Clock.systemUTC().instant(); |
| private AtomicLong delta = new AtomicLong(0); |
| |
| public void advance(long period, TimeUnit unit) { |
| delta.addAndGet(unit.toNanos(period)); |
| } |
| |
| @Override |
| public Instant instant() { |
| return initialInstant.plusNanos(delta.get()); |
| } |
| |
| @Override |
| public Clock withZone(ZoneId zone) { |
| return this; |
| } |
| |
| @Override |
| public ZoneId getZone() { |
| return ZoneId.systemDefault(); |
| } |
| } |
| |