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Java > Open Source Codes > com > caucho > ejb > entity > AmberEntityFactory


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  *
23  * Free SoftwareFoundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Scott Ferguson
28  */

29
30 package com.caucho.ejb.entity;
31
32 import com.caucho.amber.entity.EntityFactory;
33 import com.caucho.amber.entity.EntityItem;
34 import com.caucho.amber.manager.AmberConnection;
35 import com.caucho.util.L10N;
36 import com.caucho.util.Log;
37
38 import javax.ejb.FinderException JavaDoc;
39 import java.util.Map JavaDoc;
40 import java.util.logging.Logger JavaDoc;
41
42 /**
43  * Manages the set of persistent beans.
44  */

45 public class AmberEntityFactory extends EntityFactory {
46   private static final L10N L = new L10N(AmberEntityFactory.class);
47   private static final Logger JavaDoc log = Log.open(AmberEntityFactory.class);
48
49   private EntityServer _entityServer;
50
51   AmberEntityFactory(EntityServer entityServer)
52   {
53     _entityServer = entityServer;
54   }
55
56   /**
57    * Gets the appropriate entity given the EntityItem.
58    */

59   public Object JavaDoc getEntity(AmberConnection aConn, EntityItem item)
60   {
61     try {
62       Object JavaDoc key = item.getEntity().__caucho_getPrimaryKey();
63
64       return _entityServer.getContext(key, false).getEJBLocalObject();
65     } catch (FinderException JavaDoc e) {
66       throw new RuntimeException JavaDoc(e);
67     }
68   }
69
70   /**
71    * Gets the appropriate entity given the EntityItem.
72    */

73   public Object JavaDoc getEntity(AmberConnection aConn,
74                           EntityItem item,
75                           Map JavaDoc preloadedProperties)
76   {
77     return getEntity(aConn, item);
78   }
79
80   /**
81    * Gets the appropriate entity given the EntityItem.
82    */

83   public void delete(AmberConnection aConn, Object JavaDoc proxy)
84   {
85     try {
86       EntityObject entity = (EntityObject) proxy;
87
88       entity.remove();
89     } catch (Exception JavaDoc e) {
90       throw new RuntimeException JavaDoc(e);
91     }
92   }
93 }
94
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