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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 is the base class for numeric type adapters. 49 * 50 * @version $Revision: 1.3 $ $Date: 2003/08/09 15:49:50 $ 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 } //-- SNumber

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