| /* |
| * 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.kafka.common.utils; |
| |
| import org.apache.kafka.common.errors.TimeoutException; |
| |
| import java.util.function.Supplier; |
| |
| /** |
| * A time implementation that uses the system clock and sleep call. Use `Time.SYSTEM` instead of creating an instance |
| * of this class. |
| */ |
| public class SystemTime implements Time { |
| |
| @Override |
| public long milliseconds() { |
| return System.currentTimeMillis(); |
| } |
| |
| @Override |
| public long nanoseconds() { |
| return System.nanoTime(); |
| } |
| |
| @Override |
| public void sleep(long ms) { |
| try { |
| Thread.sleep(ms); |
| } catch (InterruptedException e) { |
| // just wake up early |
| Thread.currentThread().interrupt(); |
| } |
| } |
| |
| @Override |
| public void waitObject(Object obj, Supplier<Boolean> condition, long deadlineMs) throws InterruptedException { |
| synchronized (obj) { |
| while (true) { |
| if (condition.get()) |
| return; |
| |
| long currentTimeMs = milliseconds(); |
| if (currentTimeMs >= deadlineMs) |
| throw new TimeoutException("Condition not satisfied before deadline"); |
| |
| obj.wait(deadlineMs - currentTimeMs); |
| } |
| } |
| } |
| |
| } |