Java tutorial
//package com.java2s; /** * 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. */ import java.util.concurrent.TimeUnit; import java.util.concurrent.locks.Condition; public class Main { /** * Await for condition, handling * <a href="http://errorprone.info/bugpattern/WaitNotInLoop">spurious wakeups</a>. * @param condition condition to await for * @param timeout the maximum time to wait in milliseconds * @return value from {@link Condition#await(long, TimeUnit)} */ public static boolean await(final Condition condition, final long timeout) throws InterruptedException { boolean awaited = false; long timeoutRemaining = timeout; long awaitStarted = System.currentTimeMillis(); while (!awaited && timeoutRemaining > 0) { awaited = condition.await(timeoutRemaining, TimeUnit.MILLISECONDS); timeoutRemaining -= System.currentTimeMillis() - awaitStarted; } return awaited; } }