001
014
015 package com.liferay.portal.kernel.messaging;
016
017 import com.liferay.portal.kernel.cache.Lifecycle;
018 import com.liferay.portal.kernel.cache.ThreadLocalCacheManager;
019 import com.liferay.portal.kernel.concurrent.ThreadPoolExecutor;
020 import com.liferay.portal.kernel.log.Log;
021 import com.liferay.portal.kernel.log.LogFactoryUtil;
022 import com.liferay.portal.kernel.util.CentralizedThreadLocal;
023
024 import java.util.Set;
025
026
034 public class ParallelDestination extends BaseAsyncDestination {
035
036 public ParallelDestination() {
037 }
038
039
042 public ParallelDestination(String name) {
043 super(name);
044 }
045
046
049 public ParallelDestination(
050 String name, int workersCoreSize, int workersMaxSize) {
051
052 super(name, workersCoreSize, workersMaxSize);
053 }
054
055 @Override
056 protected void dispatch(
057 Set<MessageListener> messageListeners, final Message message) {
058
059 final Thread currentThread = Thread.currentThread();
060
061 ThreadPoolExecutor threadPoolExecutor = getThreadPoolExecutor();
062
063 for (final MessageListener messageListener : messageListeners) {
064 Runnable runnable = new MessageRunnable(message) {
065
066 @Override
067 public void run() {
068 try {
069 populateThreadLocalsFromMessage(message);
070
071 messageListener.receive(message);
072 }
073 catch (MessageListenerException mle) {
074 _log.error("Unable to process message " + message, mle);
075 }
076 finally {
077 if (Thread.currentThread() != currentThread) {
078 ThreadLocalCacheManager.clearAll(Lifecycle.REQUEST);
079
080 CentralizedThreadLocal.
081 clearShortLivedThreadLocals();
082 }
083 }
084 }
085
086 };
087
088 threadPoolExecutor.execute(runnable);
089 }
090 }
091
092 private static Log _log = LogFactoryUtil.getLog(ParallelDestination.class);
093
094 }