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 is the base class for numeric type adapters.
49 *
50 * @version $Revision: 1.1 $ $Date: 2004/11/26 01:50:44 $
51 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
52 * @see SObject
53 */
54 abstract class SNumber extends SObject {
55
56 /***
57 * Returns the addition of a number to this
58 *
59 * @param number the number to add
60 * @return the value of <code>this + number<code>
61 */
62 public abstract SNumber add(final SNumber number);
63
64 /***
65 * Returns the value of the substraction of a number from this
66 *
67 * @param number the number to subtract
68 * @return the value of <code>this - number<code>
69 */
70 public abstract SNumber subtract(final SNumber number);
71
72 /***
73 * Returns the multiplication of a number to this
74 *
75 * @param number the number to multiply
76 * @return the value of <code>this * number<code>
77 */
78 public abstract SNumber multiply(final SNumber number);
79
80 /***
81 * Returns the division of a number from this
82 *
83 * @param number the number to divide
84 * @return the value of <code>this / number<code>
85 */
86 public abstract SNumber divide(final SNumber number);
87
88 /***
89 * Returns the value of this as a <code>long</code>
90 *
91 * @return the value of this as a <code>long</code>
92 */
93 public abstract long getLong();
94
95 /***
96 * Returns the value of this as a <code>double</code>
97 *
98 * @return the value of this as a <code>double</code>
99 */
100 public abstract double getDouble();
101
102 /***
103 * Returns the type of this
104 *
105 * @return {@link Type#NUMERIC}
106 */
107 public final Type type() {
108 return Type.NUMERIC;
109 }
110
111 }