Embeddable


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.entity;
31  
32  import com.caucho.amber.manager.AmberConnection;
33  
34  import java.sql.ResultSet  ;
35  import java.sql.SQLException  ;
36  
37  /**
38   * An embeddable object.
39   */
40  public interface Embeddable {
41  
42    /**
43     * Loads the embeddable object from the
44     * database and returns the number of columns
45     * consumed from the result set.
46     */
47    public int __caucho_load(AmberConnection aConn,
48                             ResultSet   rs,
49                             int index)
50      throws SQLException  ;
51  
52    /**
53     * Returns the ith field.
54     */
55    public Object   __caucho_get_field(int index);
56  }
57
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