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.ratings.service.impl;
24  
25  import com.liferay.portal.PortalException;
26  import com.liferay.portal.SystemException;
27  import com.liferay.portal.kernel.log.Log;
28  import com.liferay.portal.kernel.log.LogFactoryUtil;
29  import com.liferay.portal.util.PortalUtil;
30  import com.liferay.portlet.ratings.NoSuchStatsException;
31  import com.liferay.portlet.ratings.model.RatingsStats;
32  import com.liferay.portlet.ratings.service.base.RatingsStatsLocalServiceBaseImpl;
33  
34  /**
35   * <a href="RatingsStatsLocalServiceImpl.java.html"><b><i>View Source</i></b>
36   * </a>
37   *
38   * @author Brian Wing Shun Chan
39   *
40   */
41  public class RatingsStatsLocalServiceImpl
42      extends RatingsStatsLocalServiceBaseImpl {
43  
44      public RatingsStats addStats(long classNameId, long classPK)
45          throws SystemException {
46  
47          long statsId = counterLocalService.increment();
48  
49          RatingsStats stats = ratingsStatsPersistence.create(statsId);
50  
51          stats.setClassNameId(classNameId);
52          stats.setClassPK(classPK);
53          stats.setTotalEntries(0);
54          stats.setTotalScore(0.0);
55          stats.setAverageScore(0.0);
56  
57          try {
58              ratingsStatsPersistence.update(stats, false);
59          }
60          catch (SystemException se) {
61              if (_log.isWarnEnabled()) {
62                  _log.warn(
63                      "Add failed, fetch {classNameId=" + classNameId +
64                          ", classPK=" + classPK + "}");
65              }
66  
67              stats = ratingsStatsPersistence.fetchByC_C(
68                  classNameId, classPK, false);
69  
70              if (stats == null) {
71                  throw se;
72              }
73          }
74  
75          return stats;
76      }
77  
78      public void deleteStats(String className, long classPK)
79          throws SystemException {
80  
81          long classNameId = PortalUtil.getClassNameId(className);
82  
83          try {
84              ratingsStatsPersistence.removeByC_C(classNameId, classPK);
85          }
86          catch (NoSuchStatsException nsse) {
87              _log.warn(nsse);
88          }
89  
90          ratingsEntryPersistence.removeByC_C(classNameId, classPK);
91      }
92  
93      public RatingsStats getStats(long statsId)
94          throws PortalException, SystemException {
95  
96          return ratingsStatsPersistence.findByPrimaryKey(statsId);
97      }
98  
99      public RatingsStats getStats(String className, long classPK)
100         throws SystemException {
101 
102         long classNameId = PortalUtil.getClassNameId(className);
103 
104         RatingsStats stats = ratingsStatsPersistence.fetchByC_C(
105             classNameId, classPK);
106 
107         if (stats == null) {
108             stats = ratingsStatsLocalService.addStats(classNameId, classPK);
109         }
110 
111         return stats;
112     }
113 
114     private static Log _log =
115         LogFactoryUtil.getLog(RatingsStatsLocalServiceImpl.class);
116 
117 }