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  }