001 /** 002 * Copyright (c) 2000-present Liferay, Inc. All rights reserved. 003 * 004 * This library is free software; you can redistribute it and/or modify it under 005 * the terms of the GNU Lesser General Public License as published by the Free 006 * Software Foundation; either version 2.1 of the License, or (at your option) 007 * any later version. 008 * 009 * This library is distributed in the hope that it will be useful, but WITHOUT 010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 011 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 012 * details. 013 */ 014 015 package com.liferay.portal.kernel.test; 016 017 import java.util.concurrent.Callable; 018 import java.util.concurrent.TimeUnit; 019 020 /** 021 * @author Andr?? de Oliveira 022 */ 023 public class IdempotentRetryAssert { 024 025 public static <T> T retryAssert( 026 long timeout, TimeUnit timeUnit, Callable<T> callable) 027 throws Exception { 028 029 long deadline = System.currentTimeMillis() + timeUnit.toMillis(timeout); 030 031 while (true) { 032 try { 033 return callable.call(); 034 } 035 catch (AssertionError ae) { 036 if (System.currentTimeMillis() > deadline) { 037 throw ae; 038 } 039 } 040 } 041 } 042 043 }