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 CallerRunsPolicy implements RejectedExecutionHandler {
021    
022            public void rejectedExecution(
023                    Runnable runnable, ThreadPoolExecutor threadPoolExecutor) {
024    
025                    if (threadPoolExecutor.isShutdown()) {
026                            return;
027                    }
028    
029                    ThreadPoolHandler threadPoolHandler =
030                            threadPoolExecutor.getThreadPoolHandler();
031    
032                    Throwable throwable = null;
033    
034                    threadPoolHandler.beforeExecute(
035                            Thread.currentThread(), runnable);
036    
037                    try {
038                            runnable.run();
039                    }
040                    catch (RuntimeException re) {
041                            throwable = re;
042    
043                            throw re;
044                    }
045                    finally {
046                            threadPoolHandler.afterExecute(runnable, throwable);
047                    }
048            }
049    
050    }