| MBMessageFlagFinderImpl.java |
1 /**
2 * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions 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.portlet.messageboards.service.persistence;
24
25 import com.liferay.portal.SystemException;
26 import com.liferay.portal.spring.hibernate.CustomSQLUtil;
27 import com.liferay.portal.spring.hibernate.HibernateUtil;
28 import com.liferay.util.dao.hibernate.QueryPos;
29
30 import java.util.Iterator;
31
32 import org.hibernate.Hibernate;
33 import org.hibernate.SQLQuery;
34 import org.hibernate.Session;
35
36 /**
37 * <a href="MBMessageFlagFinderImpl.java.html"><b><i>View Source</i></b></a>
38 *
39 * @author Brian Wing Shun Chan
40 *
41 */
42 public class MBMessageFlagFinderImpl implements MBMessageFlagFinder {
43
44 public static String COUNT_BY_T_U =
45 MBMessageFlagFinder.class.getName() + ".countByU_T";
46
47 public int countByU_T(long threadId, long userId) throws SystemException {
48 Session session = null;
49
50 try {
51 session = HibernateUtil.openSession();
52
53 String sql = CustomSQLUtil.get(COUNT_BY_T_U);
54
55 SQLQuery q = session.createSQLQuery(sql);
56
57 q.addScalar(HibernateUtil.getCountColumnName(), Hibernate.LONG);
58
59 QueryPos qPos = QueryPos.getInstance(q);
60
61 qPos.add(threadId);
62 qPos.add(userId);
63
64 Iterator<Long> itr = q.list().iterator();
65
66 if (itr.hasNext()) {
67 Long count = itr.next();
68
69 if (count != null) {
70 return count.intValue();
71 }
72 }
73
74 return 0;
75 }
76 catch (Exception e) {
77 throw new SystemException(e);
78 }
79 finally {
80 HibernateUtil.closeSession(session);
81 }
82 }
83
84 }