1 /*
2 * The SmartWeb Framework
3 * Copyright (C) 2004-2006
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 *
19 * For further informations on the SmartWeb Framework please visit
20 *
21 * http://smartweb.sourceforge.net
22 */
23
24 package net.smartlab.web.poll;
25
26 /**
27 * TODO documentation
28 *
29 * @author rlogiacco
30 */
31 public class Domain extends net.smartlab.web.Domain {
32
33 /**
34 * Stores the singleton <code>instance</code> for this class.
35 */
36 private static Domain instance;
37
38 /**
39 * Default private constructor to prevent user instantiation.
40 */
41 private Domain() {
42 super();
43 }
44
45 /**
46 * @return Returns the instance.
47 */
48 public static synchronized Domain getInstance() {
49 if (instance == null) {
50 instance = new Domain();
51 }
52 return instance;
53 }
54 }