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.tags.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.util.dao.orm.CustomSQLUtil;
33  
34  import java.util.Iterator;
35  import java.util.List;
36  
37  /**
38   * <a href="TagsPropertyKeyFinderImpl.java.html"><b><i>View Source</i></b></a>
39   *
40   * @author Brian Wing Shun Chan
41   *
42   */
43  public class TagsPropertyKeyFinderImpl
44      extends BasePersistenceImpl implements TagsPropertyKeyFinder {
45  
46      public static String COUNT_BY_GROUP_ID =
47          TagsPropertyKeyFinder.class.getName() + ".countByGroupId";
48  
49      public static String FIND_BY_GROUP_ID =
50          TagsPropertyKeyFinder.class.getName() + ".findByGroupId";
51  
52      public int countByGroupId(long groupId) throws SystemException {
53          Session session = null;
54  
55          try {
56              session = openSession();
57  
58              String sql = CustomSQLUtil.get(COUNT_BY_GROUP_ID);
59  
60              SQLQuery q = session.createSQLQuery(sql);
61  
62              q.addScalar(COUNT_COLUMN_NAME, Type.LONG);
63  
64              QueryPos qPos = QueryPos.getInstance(q);
65  
66              qPos.add(groupId);
67  
68              Iterator<Long> itr = q.list().iterator();
69  
70              if (itr.hasNext()) {
71                  Long count = itr.next();
72  
73                  if (count != null) {
74                      return count.intValue();
75                  }
76              }
77  
78              return 0;
79          }
80          catch (Exception e) {
81              throw new SystemException(e);
82          }
83          finally {
84              closeSession(session);
85          }
86      }
87  
88      public String[] findByGroupId(long groupId) throws SystemException {
89          return findByGroupId(groupId, QueryUtil.ALL_POS, QueryUtil.ALL_POS);
90      }
91  
92      public String[] findByGroupId(long groupId, int start, int end)
93          throws SystemException {
94  
95          Session session = null;
96  
97          try {
98              session = openSession();
99  
100             String sql = CustomSQLUtil.get(FIND_BY_GROUP_ID);
101 
102             SQLQuery q = session.createSQLQuery(sql);
103 
104             q.addScalar("propertyKey", Type.STRING);
105 
106             QueryPos qPos = QueryPos.getInstance(q);
107 
108             qPos.add(groupId);
109 
110             List<String> list = (List<String>)QueryUtil.list(
111                 q, getDialect(), start, end);
112 
113             return list.toArray(new String[list.size()]);
114         }
115         catch (Exception e) {
116             throw new SystemException(e);
117         }
118         finally {
119             closeSession(session);
120         }
121     }
122 
123 }