1 //----------------------------------------------------------------------
2 //
3 // PerfectJPattern: "Design patterns are good but components are better!"
4 // MovieGenericDao.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.jpa;
22
23 import java.util.*;
24
25 import javax.ejb.*;
26 import javax.persistence.*;
27
28 import org.perfectjpattern.example.datamodel.*;
29 import org.perfectjpattern.jee.api.integration.dao.*;
30 import org.perfectjpattern.jee.integration.dao.*;
31
32 /**
33 * EJB implementation of {@link IMovieGenericDao}. Exposes managed
34 * EJB reusing all of the PerfectJPattern's {@link IGenericDao} facilities
35 *
36 * @author <a href="mailto:bravegag@hotmail.com">Giovanni Azua</a>
37 * @version $Revision: 1.0 $Date: Feb 11, 2009 11:31:24 AM $
38 */
39 @Stateful(name = "IMovieGenericDao")
40 public
41 class MovieGenericDao
42 extends AbstractHibernateManagedGenericDao<Long, Movie>
43 implements IMovieGenericDao
44 {
45 //------------------------------------------------------------------------
46 // public
47 //------------------------------------------------------------------------
48 public
49 MovieGenericDao()
50 {
51 super(Movie.class);
52 }
53
54 //------------------------------------------------------------------------
55 @PersistenceContext(unitName = "movie", type = PersistenceContextType.
56 EXTENDED)
57 public void
58 setEntityManager(EntityManager anEntityManager)
59 {
60 super.setEntityManager(anEntityManager);
61 }
62
63 //------------------------------------------------------------------------
64 /**
65 * {@inheritDoc}
66 */
67 public List<Movie>
68 findByYear(int aYear)
69 {
70 Movie myExample = new Movie();
71 myExample.setYear(aYear);
72
73 List<Movie> myMovies = super.findByExample(myExample);
74
75 return myMovies;
76 }
77 }