| SerialDestination.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 *
5 *
6 *
7 * The contents of this file are subject to the terms of the Liferay Enterprise
8 * Subscription License ("License"). You may not use this file except in
9 * compliance with the License. You can obtain a copy of the License by
10 * contacting Liferay, Inc. See the License for the specific language governing
11 * permissions and limitations under the License, including but not limited to
12 * distribution rights of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 package com.liferay.portal.kernel.messaging;
24
25 import java.util.Set;
26 import java.util.concurrent.ThreadPoolExecutor;
27
28 /**
29 * <a href="SerialDestination.java.html"><b><i>View Source</i></b></a>
30 *
31 * <p>
32 * Destination that delivers a message to a list of message listeners one at a
33 * time.
34 * </p>
35 *
36 * @author Michael C. Han
37 */
38 public class SerialDestination extends BaseDestination {
39
40 public SerialDestination(String name) {
41 super(name, _WORKERS_CORE_SIZE, _WORKERS_MAX_SIZE);
42 }
43
44 protected void dispatch(
45 final Set<MessageListener> messageListeners, final Message message) {
46
47 ThreadPoolExecutor threadPoolExecutor = getThreadPoolExecutor();
48
49 Runnable runnable = new Runnable() {
50
51 public void run() {
52 for (MessageListener messageListener : messageListeners) {
53 messageListener.receive(message);
54 }
55 }
56
57 };
58
59 threadPoolExecutor.execute(runnable);
60 }
61
62 private static final int _WORKERS_CORE_SIZE = 1;
63
64 private static final int _WORKERS_MAX_SIZE = 1;
65
66 }