1   /**
2    * Copyright (c) 2000-2009 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.kernel.dao.orm.QueryPos;
27  import com.liferay.portal.kernel.dao.orm.QueryUtil;
28  import com.liferay.portal.kernel.dao.orm.SQLQuery;
29  import com.liferay.portal.kernel.dao.orm.Session;
30  import com.liferay.portal.kernel.dao.orm.Type;
31  import com.liferay.portal.service.persistence.impl.BasePersistenceImpl;
32  import com.liferay.portal.util.PortalUtil;
33  import com.liferay.portlet.messageboards.model.MBThread;
34  import com.liferay.portlet.messageboards.model.impl.MBThreadImpl;
35  import com.liferay.util.dao.orm.CustomSQLUtil;
36  
37  import java.util.Iterator;
38  import java.util.List;
39  
40  /**
41   * <a href="MBThreadFinderImpl.java.html"><b><i>View Source</i></b></a>
42   *
43   * @author Brian Wing Shun Chan
44   *
45   */
46  public class MBThreadFinderImpl
47      extends BasePersistenceImpl implements MBThreadFinder {
48  
49      public static String COUNT_BY_S_G_U =
50          MBThreadFinder.class.getName() + ".countByS_G_U";
51  
52      public static String FIND_BY_S_G_U =
53          MBThreadFinder.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 = openSession();
60  
61              String sql = CustomSQLUtil.get(COUNT_BY_S_G_U);
62  
63              SQLQuery q = session.createSQLQuery(sql);
64  
65              q.addScalar(COUNT_COLUMN_NAME, Type.LONG);
66  
67              QueryPos qPos = QueryPos.getInstance(q);
68  
69              qPos.add(PortalUtil.getClassNameId(MBThread.class.getName()));
70              qPos.add(groupId);
71              qPos.add(userId);
72  
73              Iterator<Long> itr = q.list().iterator();
74  
75              if (itr.hasNext()) {
76                  Long count = 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              closeSession(session);
90          }
91      }
92  
93      public List<MBThread> findByS_G_U(
94              long groupId, long userId, int start, int end)
95          throws SystemException {
96  
97          Session session = null;
98  
99          try {
100             session = openSession();
101 
102             String sql = CustomSQLUtil.get(FIND_BY_S_G_U);
103 
104             SQLQuery q = session.createSQLQuery(sql);
105 
106             q.addEntity("MBThread", MBThreadImpl.class);
107 
108             QueryPos qPos = QueryPos.getInstance(q);
109 
110             qPos.add(PortalUtil.getClassNameId(MBThread.class.getName()));
111             qPos.add(groupId);
112             qPos.add(userId);
113 
114             return (List<MBThread>)QueryUtil.list(q, getDialect(), start, end);
115         }
116         catch (Exception e) {
117             throw new SystemException(e);
118         }
119         finally {
120             closeSession(session);
121         }
122     }
123 
124 }