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.portal.util.PortalUtil;
29  import com.liferay.portlet.messageboards.model.MBCategory;
30  import com.liferay.portlet.messageboards.model.impl.MBCategoryImpl;
31  import com.liferay.util.dao.hibernate.QueryPos;
32  import com.liferay.util.dao.hibernate.QueryUtil;
33  
34  import java.util.Iterator;
35  import java.util.List;
36  
37  import org.hibernate.Hibernate;
38  import org.hibernate.SQLQuery;
39  import org.hibernate.Session;
40  
41  /**
42   * <a href="MBCategoryFinderImpl.java.html"><b><i>View Source</i></b></a>
43   *
44   * @author Raymond Augé
45   *
46   */
47  public class MBCategoryFinderImpl implements MBCategoryFinder {
48  
49      public static String COUNT_BY_S_G_U =
50          MBCategoryFinder.class.getName() + ".countByS_G_U";
51  
52      public static String FIND_BY_S_G_U =
53          MBCategoryFinder.class.getName() + ".findByS_G_U";
54  
55      public int countByS_G_U(long groupId, long userId) throws SystemException {
56          Session session = null;
57  
58          try {
59              session = HibernateUtil.openSession();
60  
61              String sql = CustomSQLUtil.get(COUNT_BY_S_G_U);
62  
63              SQLQuery q = session.createSQLQuery(sql);
64  
65              q.addScalar(HibernateUtil.getCountColumnName(), Hibernate.LONG);
66  
67              QueryPos qPos = QueryPos.getInstance(q);
68  
69              qPos.add(PortalUtil.getClassNameId(MBCategory.class.getName()));
70              qPos.add(groupId);
71              qPos.add(userId);
72  
73              Iterator itr = q.list().iterator();
74  
75              if (itr.hasNext()) {
76                  Long count = (Long)itr.next();
77  
78                  if (count != null) {
79                      return count.intValue();
80                  }
81              }
82  
83              return 0;
84          }
85          catch (Exception e) {
86              throw new SystemException(e);
87          }
88          finally {
89              HibernateUtil.closeSession(session);
90          }
91      }
92  
93      public List findByS_G_U(long groupId, long userId, int begin, int end)
94          throws SystemException {
95  
96          Session session = null;
97  
98          try {
99              session = HibernateUtil.openSession();
100 
101             String sql = CustomSQLUtil.get(FIND_BY_S_G_U);
102 
103             SQLQuery q = session.createSQLQuery(sql);
104 
105             q.addEntity("MBCategory", MBCategoryImpl.class);
106 
107             QueryPos qPos = QueryPos.getInstance(q);
108 
109             qPos.add(PortalUtil.getClassNameId(MBCategory.class.getName()));
110             qPos.add(groupId);
111             qPos.add(userId);
112 
113             return QueryUtil.list(q, HibernateUtil.getDialect(), begin, end);
114         }
115         catch (Exception e) {
116             throw new SystemException(e);
117         }
118         finally {
119             HibernateUtil.closeSession(session);
120         }
121     }
122 
123 }