001
014
015 package com.liferay.portal.kernel.messaging;
016
017 import com.liferay.portal.kernel.cache.thread.local.Lifecycle;
018 import com.liferay.portal.kernel.cache.thread.local.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 @Override
037 protected void dispatch(
038 Set<MessageListener> messageListeners, final Message message) {
039
040 final Thread currentThread = Thread.currentThread();
041
042 ThreadPoolExecutor threadPoolExecutor = getThreadPoolExecutor();
043
044 for (final MessageListener messageListener : messageListeners) {
045 Runnable runnable = new MessageRunnable(message) {
046
047 @Override
048 public void run() {
049 try {
050 populateThreadLocalsFromMessage(message);
051
052 messageListener.receive(message);
053 }
054 catch (MessageListenerException mle) {
055 _log.error("Unable to process message " + message, mle);
056 }
057 finally {
058 if (Thread.currentThread() != currentThread) {
059 ThreadLocalCacheManager.clearAll(Lifecycle.REQUEST);
060
061 CentralizedThreadLocal.
062 clearShortLivedThreadLocals();
063 }
064 }
065 }
066
067 };
068
069 threadPoolExecutor.execute(runnable);
070 }
071 }
072
073 private static final Log _log = LogFactoryUtil.getLog(
074 ParallelDestination.class);
075
076 }