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.blogs.service.persistence;
24  
25  import com.liferay.portal.SystemException;
26  import com.liferay.portal.kernel.util.OrderByComparator;
27  import com.liferay.portal.kernel.util.StringMaker;
28  import com.liferay.portal.kernel.util.StringUtil;
29  import com.liferay.portal.spring.hibernate.CustomSQLUtil;
30  import com.liferay.portal.spring.hibernate.HibernateUtil;
31  import com.liferay.portlet.blogs.model.BlogsStatsUser;
32  import com.liferay.portlet.blogs.model.impl.BlogsStatsUserImpl;
33  import com.liferay.util.dao.hibernate.QueryPos;
34  import com.liferay.util.dao.hibernate.QueryUtil;
35  
36  import java.util.ArrayList;
37  import java.util.Iterator;
38  import java.util.List;
39  
40  import org.hibernate.Hibernate;
41  import org.hibernate.SQLQuery;
42  import org.hibernate.Session;
43  
44  /**
45   * <a href="BlogsStatsUserFinderImpl.java.html"><b><i>View Source</i></b></a>
46   *
47   * @author Brian Wing Shun Chan
48   *
49   */
50  public class BlogsStatsUserFinderImpl implements BlogsStatsUserFinder {
51  
52      public static String COUNT_BY_ORGANIZATION_IDS =
53          BlogsStatsUserFinder.class.getName() + ".countByOrganizationIds";
54  
55      public static String FIND_BY_ORGANIZATION_IDS =
56          BlogsStatsUserFinder.class.getName() + ".findByOrganizationIds";
57  
58      public int countByOrganizationId(long organizationId)
59          throws SystemException {
60  
61          List<Long> organizationIds = new ArrayList<Long>();
62  
63          organizationIds.add(organizationId);
64  
65          return countByOrganizationIds(organizationIds);
66      }
67  
68      public int countByOrganizationIds(List<Long> organizationIds)
69          throws SystemException {
70  
71          Session session = null;
72  
73          try {
74              session = HibernateUtil.openSession();
75  
76              String sql = CustomSQLUtil.get(COUNT_BY_ORGANIZATION_IDS);
77  
78              sql = StringUtil.replace(
79                  sql, "[$ORGANIZATION_ID$]",
80                  getOrganizationIds(organizationIds));
81  
82              SQLQuery q = session.createSQLQuery(sql);
83  
84              q.addScalar(HibernateUtil.getCountColumnName(), Hibernate.LONG);
85  
86              QueryPos qPos = QueryPos.getInstance(q);
87  
88              for (int i = 0; i < organizationIds.size(); i++) {
89                  Long organizationId = organizationIds.get(i);
90  
91                  qPos.add(organizationId);
92              }
93  
94              Iterator<Long> itr = q.list().iterator();
95  
96              if (itr.hasNext()) {
97                  Long count = itr.next();
98  
99                  if (count != null) {
100                     return count.intValue();
101                 }
102             }
103 
104             return 0;
105         }
106         catch (Exception e) {
107             throw new SystemException(e);
108         }
109         finally {
110             HibernateUtil.closeSession(session);
111         }
112     }
113 
114     public List<BlogsStatsUser> findByOrganizationId(
115             long organizationId, int begin, int end, OrderByComparator obc)
116         throws SystemException {
117 
118         List<Long> organizationIds = new ArrayList<Long>();
119 
120         organizationIds.add(organizationId);
121 
122         return findByOrganizationIds(organizationIds, begin, end, obc);
123     }
124 
125     public List<BlogsStatsUser> findByOrganizationIds(
126             List<Long> organizationIds, int begin, int end,
127             OrderByComparator obc)
128         throws SystemException {
129 
130         Session session = null;
131 
132         try {
133             session = HibernateUtil.openSession();
134 
135             String sql = CustomSQLUtil.get(FIND_BY_ORGANIZATION_IDS);
136 
137             sql = StringUtil.replace(
138                 sql, "[$ORGANIZATION_ID$]",
139                 getOrganizationIds(organizationIds));
140             sql = CustomSQLUtil.replaceOrderBy(sql, obc);
141 
142             SQLQuery q = session.createSQLQuery(sql);
143 
144             q.addEntity("BlogsStatsUser", BlogsStatsUserImpl.class);
145 
146             QueryPos qPos = QueryPos.getInstance(q);
147 
148             for (int i = 0; i < organizationIds.size(); i++) {
149                 Long organizationId = organizationIds.get(i);
150 
151                 qPos.add(organizationId);
152             }
153 
154             return (List<BlogsStatsUser>)QueryUtil.list(
155                 q, HibernateUtil.getDialect(), begin, end);
156         }
157         catch (Exception e) {
158             throw new SystemException(e);
159         }
160         finally {
161             HibernateUtil.closeSession(session);
162         }
163     }
164 
165     protected String getOrganizationIds(List<Long> organizationIds) {
166         StringMaker sm = new StringMaker();
167 
168         for (int i = 0; i < organizationIds.size(); i++) {
169             sm.append("Users_Orgs.organizationId = ? ");
170 
171             if ((i + 1) != organizationIds.size()) {
172                 sm.append("OR ");
173             }
174         }
175 
176         return sm.toString();
177     }
178 
179 }