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Java > Open Source Codes > com > caucho > amber > type > ListenerType


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 Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Rodrigo Westrupp
28  */
29
30 package com.caucho.amber.type;
31
32 import com.caucho.amber.entity.Listener;
33 import com.caucho.amber.manager.AmberPersistenceUnit;
34 import javax.persistence.*;
35
36 import com.caucho.util.L10N;
37
38 import java.util.logging.Logger JavaDoc;
39
40 /**
41  * Represents a listener type: either a default listener
42  * declared in orm.xml meta-data or an entity listener
43  * specified in @EntityListeners entity annotation.
44  */
45 public class ListenerType extends AbstractEnhancedType {
46   private static final Logger JavaDoc log = Logger.getLogger(ListenerType.class.getName());
47   private static final L10N L = new L10N(ListenerType.class);
48
49   // See com.caucho.amber.entity.Listener
50 public static final Class JavaDoc[] CALLBACK_CLASS = new Class JavaDoc[] {
51     null,
52     PrePersist.class,
53     PostPersist.class,
54     PreRemove.class,
55     PostRemove.class,
56     PreUpdate.class,
57     PostUpdate.class,
58     PostLoad.class
59   };
60
61   public ListenerType(AmberPersistenceUnit amberPersistenceUnit)
62   {
63     super(amberPersistenceUnit);
64   }
65
66   /**
67    * Gets the instance class.
68    */
69   public Class JavaDoc getInstanceClass()
70   {
71     return getInstanceClass(Listener.class);
72   }
73
74   /**
75    * Returns the parent type.
76    */
77   public ListenerType getParentType()
78   {
79     return null;
80   }
81
82   /**
83    * Printable version of the listener.
84    */
85   public String JavaDoc toString()
86   {
87     if (getBeanClass() == null)
88       return "ListenerType[]";
89     else
90       return "ListenerType[" + getBeanClass().getName() + "]";
91   }
92 }
93
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