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.documentlibrary.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.portlet.documentlibrary.model.DLFileRank;
33  import com.liferay.portlet.documentlibrary.model.impl.DLFileRankImpl;
34  import com.liferay.util.dao.orm.CustomSQLUtil;
35  
36  import java.util.Iterator;
37  import java.util.List;
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
46      extends BasePersistenceImpl implements DLFileRankFinder {
47  
48      public static String COUNT_BY_G_U =
49          DLFileRankFinder.class.getName() + ".countByG_U";
50  
51      public static String FIND_BY_G_U =
52          DLFileRankFinder.class.getName() + ".findByG_U";
53  
54      public int countByG_U(long groupId, long userId) throws SystemException {
55          Session session = null;
56  
57          try {
58              session = openSession();
59  
60              String sql = CustomSQLUtil.get(COUNT_BY_G_U);
61  
62              SQLQuery q = session.createSQLQuery(sql);
63  
64              q.addScalar(COUNT_COLUMN_NAME, Type.LONG);
65  
66              QueryPos qPos = QueryPos.getInstance(q);
67  
68              qPos.add(groupId);
69              qPos.add(userId);
70  
71              Iterator<Long> itr = q.list().iterator();
72  
73              if (itr.hasNext()) {
74                  Long count = itr.next();
75  
76                  if (count != null) {
77                      return count.intValue();
78                  }
79              }
80  
81              return 0;
82          }
83          catch (Exception e) {
84              throw new SystemException(e);
85          }
86          finally {
87              closeSession(session);
88          }
89      }
90  
91      public List<DLFileRank> findByG_U(long groupId, long userId)
92          throws SystemException {
93  
94          return findByG_U(groupId, userId, QueryUtil.ALL_POS, QueryUtil.ALL_POS);
95      }
96  
97      public List<DLFileRank> findByG_U(
98              long groupId, long userId, int start, int end)
99          throws SystemException {
100 
101         Session session = null;
102 
103         try {
104             session = openSession();
105 
106             String sql = CustomSQLUtil.get(FIND_BY_G_U);
107 
108             SQLQuery q = session.createSQLQuery(sql);
109 
110             q.addEntity("DLFileRank", DLFileRankImpl.class);
111 
112             QueryPos qPos = QueryPos.getInstance(q);
113 
114             qPos.add(groupId);
115             qPos.add(userId);
116 
117             return (List<DLFileRank>)QueryUtil.list(
118                 q, getDialect(), start, end);
119         }
120         catch (Exception e) {
121             throw new SystemException(e);
122         }
123         finally {
124             closeSession(session);
125         }
126     }
127 
128 }