| 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() {
41 }
42
43 /**
44 * @deprecated
45 */
46 public SerialDestination(String name) {
47 super(name, _WORKERS_CORE_SIZE, _WORKERS_MAX_SIZE);
48 }
49
50 protected void dispatch(
51 final Set<MessageListener> messageListeners, final Message message) {
52
53 ThreadPoolExecutor threadPoolExecutor = getThreadPoolExecutor();
54
55 Runnable runnable = new Runnable() {
56
57 public void run() {
58 for (MessageListener messageListener : messageListeners) {
59 messageListener.receive(message);
60 }
61 }
62
63 };
64
65 threadPoolExecutor.execute(runnable);
66 }
67
68 private static final int _WORKERS_CORE_SIZE = 1;
69
70 private static final int _WORKERS_MAX_SIZE = 1;
71
72 }