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


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.AmberRuntimeException;
33 import com.caucho.amber.entity.Embeddable;
34 import com.caucho.amber.manager.AmberConnection;
35 import com.caucho.amber.manager.AmberPersistenceUnit;
36 import com.caucho.amber.table.Table;
37 import com.caucho.util.L10N;
38
39 import java.sql.ResultSet JavaDoc;
40 import java.sql.SQLException JavaDoc;
41 import java.util.logging.Logger JavaDoc;
42
43 /**
44  * Represents an embeddable type
45  */
46 public class EmbeddableType extends AbstractStatefulType {
47   private static final Logger JavaDoc log = Logger.getLogger(EmbeddableType.class.getName());
48   private static final L10N L = new L10N(EmbeddableType.class);
49
50   public EmbeddableType(AmberPersistenceUnit amberPersistenceUnit)
51   {
52     super(amberPersistenceUnit);
53   }
54
55   /**
56    * Gets the instance class.
57    */
58   public Class JavaDoc getInstanceClass()
59   {
60     return getInstanceClass(Embeddable.class);
61   }
62
63   /**
64    * Generates the select clause for a load.
65    */
66   public String JavaDoc generateLoadSelect(Table table, String JavaDoc id)
67   {
68     return generateLoadSelect(table, id, -1);
69   }
70
71   /**
72    * Creates an embeddable object of this type.
73    */
74   public Embeddable createObject()
75     throws SQLException JavaDoc
76   {
77     try {
78       return (Embeddable) getInstanceClass().newInstance();
79     } catch (Exception JavaDoc e) {
80       throw new AmberRuntimeException(e);
81     }
82   }
83
84   /**
85    * Printable version of the entity.
86    */
87   public String JavaDoc toString()
88   {
89     return "EmbeddableType[" + _beanClass.getName() + "]";
90   }
91 }
92
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