1 //----------------------------------------------------------------------
2 //
3 // PerfectJPattern: "Design patterns are good but components are better!"
4 // HibernateQueryAdapter.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 java.lang.reflect.*;
24
25 import javax.persistence.*;
26
27 import org.perfectjpattern.core.structural.adapter.*;
28 import org.perfectjpattern.jee.api.integration.dao.*;
29
30 /**
31 * Adapts Hibernate's {@link Query} to the JPA implementation-free
32 * PerfectJPattern's {@link IQuery} definition
33 *
34 * @author <a href="mailto:bravegag@hotmail.com">Giovanni Azua</a>
35 * @version $Revision: 1.0 $Date: Feb 18, 2009 11:54:49 AM $
36 */
37 public
38 class JpaQueryAdapter
39 extends Adapter<IQuery, Query>
40 {
41 //------------------------------------------------------------------------
42 // public
43 //------------------------------------------------------------------------
44 /**
45 * Constructs a {@link JpaQueryAdapter} from the Adaptee
46 * {@link Query} instance
47 *
48 * @param anAdaptee Adaptee Hibernate Query
49 * @throws IllegalArgumentException
50 */
51 public
52 JpaQueryAdapter(Query anAdaptee)
53 throws IllegalArgumentException
54 {
55 super(IQuery.class, anAdaptee);
56 }
57
58 //------------------------------------------------------------------------
59 // protected
60 //------------------------------------------------------------------------
61 /**
62 * {@inheritDoc}
63 */
64 @Override
65 protected Object
66 invokeUnderlying(Method aMethod, Object[] anArguments)
67 throws Throwable
68 {
69 try
70 {
71 return super.invokeUnderlying(aMethod, anArguments);
72 }
73 // CHECKSTYLE:OFF
74 catch (Throwable anException)
75 // CHECKSTYLE:ON
76 {
77 // make sure that Exceptions are properly chained
78 throw new DaoException(anException);
79 }
80 }
81 }