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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 At paneris.org>
42   *     http://paneris.org/~williamc
43   *     Obrechtstraat 114, 2517VX Den Haag, The Netherlands
44   */
45  
46  package org.melati.poem;
47  
48  import java.util.Enumeration;
49  import org.melati.poem.util.IntegerEnumeration;
50  
51  /**
52   * A data type used within the POEM {@link ColumnInfo} metadata.
53   * <p>
54   * Whether field can be searched upon.
55   */
56  public class SearchabilityPoemType extends IndexPoemType {
57  
58    /**
59     * Constructor, non-nullable.
60     */
61    public SearchabilityPoemType() {
62      super(false);
63    }
64  
65    /**
66     * {@inheritDoc}
67     * @see org.melati.poem.PoemType#possibleRaws()
68     */
69    public Enumeration<Integer> possibleRaws() {
70      return new IntegerEnumeration(0, Searchability.count());
71    }
72  
73    protected void _assertValidCooked(Object cooked)
74        throws ValidationPoemException {
75      if (!(cooked instanceof Searchability))
76        throw new TypeMismatchPoemException(cooked, this);
77    }
78  
79    protected Object _cookedOfRaw(Object raw) throws NoSuchRowPoemException {
80      return Searchability.forIndex(((Integer)raw).intValue());
81    }
82  
83    protected Integer _rawOfCooked(Object cooked) {
84      return ((Searchability)cooked).getIndex();
85    }
86  
87    protected String _stringOfCooked(Object cooked,
88                                     PoemLocale locale, int style)
89        throws PoemException {
90      return ((Searchability)cooked).getName();
91    }
92  
93    protected boolean _canRepresent(SQLPoemType<?> other) {
94      return other instanceof SearchabilityPoemType;
95    }
96  
97    protected void _saveColumnInfo(ColumnInfo columnInfo)
98        throws AccessPoemException {
99      columnInfo.setTypefactory(PoemTypeFactory.SEARCHABILITY);
100   }
101 
102   /**
103    * {@inheritDoc}
104    * @see java.lang.Object#toString()
105    */
106   public String toString() {
107     return "searchability (" + super.toString() + ")";
108   }
109 
110  /**
111    * {@inheritDoc}
112    * @see org.melati.poem.PoemType#toDsdType()
113    */
114   public String toDsdType() {
115     return "Searchability";
116   }
117 }