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.portal.service.persistence;
24  
25  import com.liferay.portal.SystemException;
26  import com.liferay.portal.model.impl.ActivityTrackerImpl;
27  import com.liferay.portal.spring.hibernate.CustomSQLUtil;
28  import com.liferay.portal.spring.hibernate.HibernateUtil;
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="ActivityTrackerFinderImpl.java.html"><b><i>View Source</i></b></a>
41   *
42   * @author Brian Wing Shun Chan
43   *
44   */
45  public class ActivityTrackerFinderImpl implements ActivityTrackerFinder {
46  
47      public static String COUNT_BY_U_R =
48          ActivityTrackerFinder.class.getName() + ".countByU_R";
49  
50      public static String FIND_BY_U_R =
51          ActivityTrackerFinder.class.getName() + ".findByU_R";
52  
53      public int countByU_R(long userId, long receiverUserId)
54          throws SystemException {
55  
56          Session session = null;
57  
58          try {
59              session = HibernateUtil.openSession();
60  
61              String sql = CustomSQLUtil.get(COUNT_BY_U_R);
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(userId);
70              qPos.add(receiverUserId);
71  
72              Iterator itr = q.list().iterator();
73  
74              if (itr.hasNext()) {
75                  Long count = (Long)itr.next();
76  
77                  if (count != null) {
78                      return count.intValue();
79                  }
80              }
81  
82              return 0;
83          }
84          catch (Exception e) {
85              throw new SystemException(e);
86          }
87          finally {
88              HibernateUtil.closeSession(session);
89          }
90      }
91  
92      public List findByU_R(long userId, long receiverUserId, int begin, int end)
93          throws SystemException {
94  
95          Session session = null;
96  
97          try {
98              session = HibernateUtil.openSession();
99  
100             String sql = CustomSQLUtil.get(FIND_BY_U_R);
101 
102             SQLQuery q = session.createSQLQuery(sql);
103 
104             q.addEntity("ActivityTracker", ActivityTrackerImpl.class);
105 
106             QueryPos qPos = QueryPos.getInstance(q);
107 
108             qPos.add(userId);
109             qPos.add(receiverUserId);
110 
111             return QueryUtil.list(q, HibernateUtil.getDialect(), begin, end);
112         }
113         catch (Exception e) {
114             throw new SystemException(e);
115         }
116         finally {
117             HibernateUtil.closeSession(session);
118         }
119     }
120 
121 }