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