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.portlet.tags.model.TagsProperty;
33  import com.liferay.portlet.tags.model.impl.TagsPropertyImpl;
34  import com.liferay.util.dao.orm.CustomSQLUtil;
35  
36  import java.util.ArrayList;
37  import java.util.Iterator;
38  import java.util.List;
39  
40  /**
41   * <a href="TagsPropertyFinderImpl.java.html"><b><i>View Source</i></b></a>
42   *
43   * @author Brian Wing Shun Chan
44   *
45   */
46  public class TagsPropertyFinderImpl
47      extends BasePersistenceImpl implements TagsPropertyFinder {
48  
49      public static String COUNT_BY_G_K =
50          TagsPropertyFinder.class.getName() + ".countByG_K";
51  
52      public static String FIND_BY_G_K =
53          TagsPropertyFinder.class.getName() + ".findByG_K";
54  
55      public int countByG_K(long groupId, String key) throws SystemException {
56          Session session = null;
57  
58          try {
59              session = openSession();
60  
61              String sql = CustomSQLUtil.get(COUNT_BY_G_K);
62  
63              SQLQuery q = session.createSQLQuery(sql);
64  
65              q.addScalar(COUNT_COLUMN_NAME, Type.LONG);
66  
67              QueryPos qPos = QueryPos.getInstance(q);
68  
69              qPos.add(groupId);
70              qPos.add(key);
71  
72              Iterator<Long> itr = q.list().iterator();
73  
74              if (itr.hasNext()) {
75                  Long count = 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              closeSession(session);
89          }
90      }
91  
92      public List<TagsProperty> findByG_K(long groupId, String key)
93          throws SystemException {
94  
95          return findByG_K(groupId, key, QueryUtil.ALL_POS, QueryUtil.ALL_POS);
96      }
97  
98      public List<TagsProperty> findByG_K(
99              long groupId, String key, int start, int end)
100         throws SystemException {
101 
102         Session session = null;
103 
104         try {
105             session = openSession();
106 
107             String sql = CustomSQLUtil.get(FIND_BY_G_K);
108 
109             SQLQuery q = session.createSQLQuery(sql);
110 
111             q.addScalar("propertyValue", Type.STRING);
112 
113             QueryPos qPos = QueryPos.getInstance(q);
114 
115             qPos.add(groupId);
116             qPos.add(key);
117 
118             List<TagsProperty> properties = new ArrayList<TagsProperty>();
119 
120             Iterator<String> itr = (Iterator<String>)QueryUtil.iterate(
121                 q, getDialect(), start, end);
122 
123             while (itr.hasNext()) {
124                 String value = itr.next();
125 
126                 TagsProperty property = new TagsPropertyImpl();
127 
128                 property.setKey(key);
129                 property.setValue(value);
130 
131                 properties.add(property);
132             }
133 
134             return properties;
135         }
136         catch (Exception e) {
137             throw new SystemException(e);
138         }
139         finally {
140             closeSession(session);
141         }
142     }
143 
144 }