SerialDestination.java |
1 /** 2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved. 3 * 4 * The contents of this file are subject to the terms of the Liferay Enterprise 5 * Subscription License ("License"). You may not use this file except in 6 * compliance with the License. You can obtain a copy of the License by 7 * contacting Liferay, Inc. See the License for the specific language governing 8 * permissions and limitations under the License, including but not limited to 9 * distribution rights of the Software. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 12 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 13 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 14 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 15 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 17 * SOFTWARE. 18 */ 19 20 package com.liferay.portal.kernel.messaging; 21 22 import java.util.concurrent.ThreadPoolExecutor; 23 24 /** 25 * <a href="SerialDestination.java.html"><b><i>View Source</i></b></a> 26 * 27 * <p> 28 * Destination that delivers a message to a list of message listeners one at a 29 * time. 30 * </p> 31 * 32 * @author Michael C. Han 33 * 34 */ 35 public class SerialDestination extends ArrayDispatcherDestination { 36 37 public SerialDestination(String name) { 38 super(name, _WORKERS_CORE_SIZE, _WORKERS_MAX_SIZE); 39 } 40 41 protected void dispatch( 42 final MessageListener[] listeners, final Message message) { 43 44 ThreadPoolExecutor threadPoolExecutor = getThreadPoolExecutor(); 45 46 Runnable runnable = new Runnable() { 47 48 public void run() { 49 for (MessageListener listener : listeners) { 50 listener.receive(message); 51 } 52 } 53 54 }; 55 56 threadPoolExecutor.execute(runnable); 57 } 58 59 private static final int _WORKERS_CORE_SIZE = 1; 60 61 private static final int _WORKERS_MAX_SIZE = 1; 62 63 }