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1   /*
2    * $Source$
3    * $Revision$
4    *
5    * Copyright (C) 2000 William Chesters
6    *
7    * Part of Melati (http://melati.org), a framework for the rapid
8    * development of clean, maintainable web applications.
9    *
10   * Melati is free software; Permission is granted to copy, distribute
11   * and/or modify this software under the terms either:
12   *
13   * a) the GNU General Public License as published by the Free Software
14   *    Foundation; either version 2 of the License, or (at your option)
15   *    any later version,
16   *
17   *    or
18   *
19   * b) any version of the Melati Software License, as published
20   *    at http://melati.org
21   *
22   * You should have received a copy of the GNU General Public License and
23   * the Melati Software License along with this program;
24   * if not, write to the Free Software Foundation, Inc.,
25   * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the
26   * GNU General Public License and visit http://melati.org to obtain the
27   * Melati Software License.
28   *
29   * Feel free to contact the Developers of Melati (http://melati.org),
30   * if you would like to work out a different arrangement than the options
31   * outlined here.  It is our intention to allow Melati to be used by as
32   * wide an audience as possible.
33   *
34   * This program is distributed in the hope that it will be useful,
35   * but WITHOUT ANY WARRANTY; without even the implied warranty of
36   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
37   * GNU General Public License for more details.
38   *
39   * Contact details for copyright holder:
40   *
41   *     William Chesters <williamc@paneris.org>
42   *     http://paneris.org/~williamc
43   *     Obrechtstraat 114, 2517VX Den Haag, The Netherlands
44   */
45  
46  package org.melati.poem;
47  
48  /**
49   * In the unexpected event that a {@link Column} is being defined twice.
50   */
51  public class ColumnInUsePoemException extends SeriousPoemException {
52    private static final long serialVersionUID = 1L;
53  
54    /** The Table the Column belongs to.*/
55    public Table<?> table;
56    /** The Column being defined a second time. */
57    public Column<?> column;
58  
59    /**
60     * Constructor. 
61     * @param table The Table the Column belongs to.
62     * @param column The Column being defined a second time.
63     */
64    public ColumnInUsePoemException(Table<?> table, Column<?> column) {
65      this.table = table;
66      this.column = column;
67    }
68    
69    /** @return The detail message */
70    public String getMessage() {
71      return "Unable to redefine field " + column.getDisplayName() + 
72             " in " + table.getDisplayName();
73    }
74  
75  }