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1   /***
2    * Redistribution and use of this software and associated documentation
3    * ("Software"), with or without modification, are permitted provided
4    * that the following conditions are met:
5    *
6    * 1. Redistributions of source code must retain copyright
7    *    statements and notices.  Redistributions must also contain a
8    *    copy of this document.
9    *
10   * 2. Redistributions in binary form must reproduce the
11   *    above copyright notice, this list of conditions and the
12   *    following disclaimer in the documentation and/or other
13   *    materials provided with the distribution.
14   *
15   * 3. The name "Exolab" must not be used to endorse or promote
16   *    products derived from this Software without prior written
17   *    permission of Exoffice Technologies.  For written permission,
18   *    please contact info@exolab.org.
19   *
20   * 4. Products derived from this Software may not be called "Exolab"
21   *    nor may "Exolab" appear in their names without prior written
22   *    permission of Exoffice Technologies. Exolab is a registered
23   *    trademark of Exoffice Technologies.
24   *
25   * 5. Due credit should be given to the Exolab Project
26   *    (http://www.exolab.org/).
27   *
28   * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29   * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
32   * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39   * OF THE POSSIBILITY OF SUCH DAMAGE.
40   *
41   * Copyright 2000-2001,2003 (C) Exoffice Technologies Inc. All Rights Reserved.
42   */
43  
44  package org.exolab.jms.selector;
45  
46  
47  /***
48   * This class provides an enumeration of the supported expression types.
49   *
50   * @version     $Revision: 1.1 $ $Date: 2004/11/26 01:50:45 $
51   * @author      <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
52   * @see         Expression
53   * @see         SBool
54   * @see         SNumber
55   * @see         SString
56   */
57  public final class Type {
58  
59      /***
60       * String type
61       */
62      public static final Type STRING = new Type("string");
63  
64      /***
65       * Numeric type
66       */
67      public static final Type NUMERIC = new Type("numeric");
68  
69      /***
70       * Booelan type
71       */
72      public static final Type BOOLEAN = new Type("boolean");
73  
74      /***
75       * Undefined type
76       */
77      public static final Type UNDEFINED = new Type("undefined");
78  
79      /***
80       * The name of the type
81       */
82      private String _name;
83  
84  
85      /***
86       * Construct a new <code>Type</code>
87       *
88       * @param name the name of the type
89       */
90      private Type(final String name) {
91          _name = name;
92      }
93  
94      /***
95       * Returns a string representation of this
96       *
97       * @return a string representation of this
98       */
99      public String toString() {
100         return _name;
101     }
102 
103 } //-- Type