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.portal.dao.shard;
24  
25  import com.liferay.portal.util.PropsValues;
26  
27  import java.util.Map;
28  
29  import org.hibernate.SessionFactory;
30  
31  import org.springframework.aop.TargetSource;
32  
33  /**
34   * <a href="ShardSessionFactoryTargetSource.java.html"><b><i>View Source</i></b>
35   * </a>
36   *
37   * @author Michael Young
38   *
39   */
40  public class ShardSessionFactoryTargetSource implements TargetSource {
41  
42      public SessionFactory getSessionFactory() {
43          return _sessionFactoryThreadLocal.get();
44      }
45  
46      public Object getTarget() throws Exception {
47          return getSessionFactory();
48      }
49  
50      public Class<?> getTargetClass() {
51          return _sessionFactories.get(PropsValues.SHARD_DEFAULT_NAME).getClass();
52      }
53  
54      public boolean isStatic() {
55          return false;
56      }
57  
58      public void releaseTarget(Object target) throws Exception {
59      }
60  
61      public void setSessionFactory(String shardName) {
62          _sessionFactoryThreadLocal.set(_sessionFactories.get(shardName));
63      }
64  
65      public void setSessionFactories(
66          Map<String, SessionFactory> sessionFactories) {
67  
68          _sessionFactories = sessionFactories;
69      }
70  
71      private static Map<String, SessionFactory> _sessionFactories;
72  
73      private static ThreadLocal<SessionFactory> _sessionFactoryThreadLocal =
74          new ThreadLocal<SessionFactory>() {
75  
76          protected SessionFactory initialValue() {
77              return _sessionFactories.get(PropsValues.SHARD_DEFAULT_NAME);
78          }
79  
80      };
81  
82  }