View Javadoc
1   /*
2    * Copyright (c) 2002-2014, Mairie de Paris
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met:
8    *
9    *  1. Redistributions of source code must retain the above copyright notice
10   *     and the following disclaimer.
11   *
12   *  2. Redistributions in binary form must reproduce the above copyright notice
13   *     and the following disclaimer in the documentation and/or other materials
14   *     provided with the distribution.
15   *
16   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17   *     contributors may be used to endorse or promote products derived from
18   *     this software without specific prior written permission.
19   *
20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30   * POSSIBILITY OF SUCH DAMAGE.
31   *
32   * License 1.0
33   */
34  package fr.paris.lutece.portal.service.database;
35  
36  import fr.paris.lutece.portal.service.plugin.Plugin;
37  import fr.paris.lutece.portal.service.plugin.PluginService;
38  import fr.paris.lutece.util.sql.TransactionManager;
39  
40  import org.apache.commons.lang.StringUtils;
41  
42  import org.springframework.transaction.PlatformTransactionManager;
43  import org.springframework.transaction.TransactionDefinition;
44  import org.springframework.transaction.TransactionException;
45  import org.springframework.transaction.TransactionStatus;
46  import org.springframework.transaction.support.DefaultTransactionStatus;
47  
48  
49  /**
50   * Lutece transaction manager. This TM use Lutece's specific pool transaction
51   * manager with the class {@link TransactionManager}. It allow plugins to use
52   * multi plugin transactions, and nested transactions. Note that nested
53   * transactions does not create savepoints : if a nested transaction is roll
54   * backed, then the whole transaction is roll backed.
55   */
56  public class LuteceTransactionManager implements PlatformTransactionManager
57  {
58      private String _strPluginName;
59      private volatile Plugin _plugin;
60  
61      /**
62       * Gets the plugin name
63       * @return the plugin name
64       */
65      public String getPluginName(  )
66      {
67          return _strPluginName;
68      }
69  
70      /**
71       * Sets the plugin name
72       * @param strPluginName the plugin name
73       */
74      public void setPluginName( String strPluginName )
75      {
76          _strPluginName = strPluginName;
77      }
78  
79      /**
80       * {@inheritDoc}
81       */
82      @Override
83      public TransactionStatus getTransaction( TransactionDefinition definition )
84          throws TransactionException
85      {
86          TransactionStatus trStatus = new DefaultTransactionStatus( null, true, false, false, false, null );
87          TransactionManager.beginTransaction( getPlugin(  ) );
88  
89          return trStatus;
90      }
91  
92      /**
93       * {@inheritDoc}
94       */
95      @Override
96      public void commit( TransactionStatus status ) throws TransactionException
97      {
98          TransactionManager.commitTransaction( getPlugin(  ) );
99      }
100 
101     /**
102      * {@inheritDoc}
103      */
104     @Override
105     public void rollback( TransactionStatus status ) throws TransactionException
106     {
107         TransactionManager.rollBack( getPlugin(  ) );
108     }
109 
110     private Plugin getPlugin(  )
111     {
112         if ( _plugin == null )
113         {
114             if ( StringUtils.isNotBlank( _strPluginName ) )
115             {
116                 this._plugin = PluginService.getPlugin( _strPluginName );
117             }
118             else
119             {
120                 _plugin = PluginService.getCore(  );
121             }
122         }
123 
124         return _plugin;
125     }
126 }