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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  }