SerialDestination.java |
1 /** 2 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or modify it under 5 * the terms of the GNU Lesser General Public License as published by the Free 6 * Software Foundation; either version 2.1 of the License, or (at your option) 7 * any later version. 8 * 9 * This library is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 11 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 12 * details. 13 */ 14 15 package com.liferay.portal.kernel.messaging; 16 17 import java.util.Set; 18 import java.util.concurrent.ThreadPoolExecutor; 19 20 /** 21 * <a href="SerialDestination.java.html"><b><i>View Source</i></b></a> 22 * 23 * <p> 24 * Destination that delivers a message to a list of message listeners one at a 25 * time. 26 * </p> 27 * 28 * @author Michael C. Han 29 */ 30 public class SerialDestination extends BaseDestination { 31 32 public SerialDestination() { 33 } 34 35 /** 36 * @deprecated 37 */ 38 public SerialDestination(String name) { 39 super(name, _WORKERS_CORE_SIZE, _WORKERS_MAX_SIZE); 40 } 41 42 protected void dispatch( 43 final Set<MessageListener> messageListeners, final Message message) { 44 45 ThreadPoolExecutor threadPoolExecutor = getThreadPoolExecutor(); 46 47 Runnable runnable = new Runnable() { 48 49 public void run() { 50 for (MessageListener messageListener : messageListeners) { 51 messageListener.receive(message); 52 } 53 } 54 55 }; 56 57 threadPoolExecutor.execute(runnable); 58 } 59 60 private static final int _WORKERS_CORE_SIZE = 1; 61 62 private static final int _WORKERS_MAX_SIZE = 1; 63 64 }