Source code: com/virtuosotechnologies/lib/base/ClassConstrainedKey.java
1 /*
2 ================================================================================
3
4 FILE: ClassConstrainedKey.java
5
6 PROJECT:
7
8 Virtuoso Utilities
9
10 CONTENTS:
11
12 A ConstrainedKey that uses class assignability as the constraint
13
14 PROGRAMMERS:
15
16 Daniel Azuma (DA) <dazuma@kagi.com>
17
18 COPYRIGHT:
19
20 Copyright (C) 2003 Daniel Azuma (dazuma@kagi.com)
21
22 This program is free software; you can redistribute it and/or
23 modify it under the terms of the GNU General Public License as
24 published by the Free Software Foundation; either version 2
25 of the License, or (at your option) any later version.
26
27 This program is distributed in the hope that it will be useful,
28 but WITHOUT ANY WARRANTY; without even the implied warranty of
29 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
30 GNU General Public License for more details.
31
32 You should have received a copy of the GNU General Public
33 License along with this program; if not, write to
34 Free Software Foundation, Inc.
35 59 Temple Place, Suite 330
36 Boston, MA 02111-1307 USA
37
38 ================================================================================
39 */
40
41
42 package com.virtuosotechnologies.lib.base;
43
44
45 /**
46 * A ConstrainedKey that uses class assignability as the constraint
47 */
48 public interface ClassConstrainedKey
49 extends ConstrainedKey
50 {
51 /**
52 * Get the class of the constraint.
53 *
54 * @return a Class that must be assignable from all legal values
55 */
56 public Class getConstrainingClass();
57 }