/* * Copyright 2015 Julien Viet * * Licensed 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 io.termd.core.util; import java.time.LocalDateTime; import java.time.temporal.TemporalUnit; import java.util.concurrent.TimeoutException; import java.util.function.Supplier; /** * @author <a href="mailto:matejonnet@gmail.com">Matej Lazar</a> */ public class Wait { public static void forCondition(Supplier<Boolean> evaluationSupplier, long timeout, TemporalUnit timeUnit) throws InterruptedException, TimeoutException { forCondition(evaluationSupplier, timeout, timeUnit, ""); } public static void forCondition(Supplier<Boolean> evaluationSupplier, long timeout, TemporalUnit timeUnit, String failedMessage) throws InterruptedException, TimeoutException { LocalDateTime started = LocalDateTime.now(); while (true) { if (started.plus(timeout, timeUnit).isBefore(LocalDateTime.now())) { throw new TimeoutException(failedMessage + " Reached timeout " + timeout + " " + timeUnit); } if (evaluationSupplier.get()) { break; } else { Thread.sleep(100); } } } }