| /* |
| * 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.statelib.testing.executors; |
| |
| import java.time.Clock; |
| import java.time.Duration; |
| import java.time.Instant; |
| import java.time.ZoneId; |
| |
| /** |
| * A mock implementation of {@link Clock}. |
| */ |
| public class MockClock extends Clock { |
| |
| private final ZoneId zoneId; |
| private Instant now = Instant.ofEpochMilli(0); |
| |
| public MockClock() { |
| this(ZoneId.systemDefault()); |
| } |
| |
| private MockClock(ZoneId zoneId) { |
| this.zoneId = zoneId; |
| } |
| |
| @Override |
| public ZoneId getZone() { |
| return zoneId; |
| } |
| |
| @Override |
| public MockClock withZone(ZoneId zone) { |
| return new MockClock(zone); |
| } |
| |
| @Override |
| public Instant instant() { |
| return now; |
| } |
| |
| /** |
| * Advance the clock by the given amount of time. |
| * |
| * @param duration duration to advance. |
| */ |
| public void advance(Duration duration) { |
| now = now.plus(duration); |
| } |
| } |