001 /** 002 * Copyright (c) 2000-2011 Liferay, Inc. All rights reserved. 003 * 004 * The contents of this file are subject to the terms of the Liferay Enterprise 005 * Subscription License ("License"). You may not use this file except in 006 * compliance with the License. You can obtain a copy of the License by 007 * contacting Liferay, Inc. See the License for the specific language governing 008 * permissions and limitations under the License, including but not limited to 009 * distribution rights of the Software. 010 * 011 * 012 * 013 */ 014 015 package com.liferay.portal.kernel.concurrent; 016 017 /** 018 * @author Shuyang Zhou 019 */ 020 public class DiscardOldestPolicy implements RejectedExecutionHandler { 021 022 public void rejectedExecution( 023 Runnable runnable, ThreadPoolExecutor threadPoolExecutor) { 024 025 if (threadPoolExecutor.isShutdown()) { 026 return; 027 } 028 029 TaskQueue<Runnable> taskQueue = threadPoolExecutor.getTaskQueue(); 030 031 taskQueue.poll(); 032 033 threadPoolExecutor.execute(runnable); 034 } 035 036 }