1 //----------------------------------------------------------------------
2 //
3 // PerfectJPattern: "Design patterns are good but components are better!"
4 // DefaultJSEDaoTransactionStrategy.java Copyright (c) 2009 Giovanni Azua Garcia
5 // bravegag@hotmail.com
6 //
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License
9 // as published by the Free Software Foundation; either version 3
10 // of the License, or (at your option) any later version.
11 //
12 // This program is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
16 //
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, see <http://www.gnu.org/licenses/>.
19 //
20 //----------------------------------------------------------------------
21 package org.perfectjpattern.jee.integration.dao;
22
23 import org.apache.commons.lang.*;
24 import org.hibernate.*;
25 import org.hibernate.transaction.*;
26 import org.perfectjpattern.jee.api.integration.dao.*;
27
28 /**
29 * Concrete simple implementation of {@link ITransactionStrategy} corresponding
30 * to {@link Session#getTransaction()}
31 * <br/>
32 * <br/>
33 * This strategy is mandated by the Hibernate configuration value specified in
34 * property <code>hibernate.transaction_factory</code>. If not specified, the
35 * default value is {@link JDBCTransactionFactory}.
36 *
37 * Concrete simple implementation of {@link ITransactionStrategy} targeting
38 * the JSE environment
39 *
40 * @author <a href="mailto:bravegag@hotmail.com">Giovanni Azua</a>
41 * @version $Revision: 1.0 $Date: Feb 8, 2009 5:30:47 PM $
42 */
43 public final
44 class HibernateConfiguredTransactionStrategy
45 implements ITransactionStrategy
46 {
47 //------------------------------------------------------------------------
48 // public
49 //------------------------------------------------------------------------
50 public
51 HibernateConfiguredTransactionStrategy(ISessionStrategy aSessionStrategy)
52 {
53 Validate.notNull(aSessionStrategy,
54 "'aSessionStrategy' must not be null");
55
56 theSessionStrategy = aSessionStrategy;
57 }
58
59 //------------------------------------------------------------------------
60 /**
61 * {@inheritDoc}
62 */
63 public ITransaction
64 getTransaction()
65 {
66 return theSessionStrategy.getSession().getTransaction();
67 }
68
69 //------------------------------------------------------------------------
70 // members
71 //------------------------------------------------------------------------
72 private final ISessionStrategy theSessionStrategy;
73 }