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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 2000,2003 (C) Exoffice Technologies Inc. All Rights Reserved. 42 * 43 * $Id: Priority.java,v 1.4 2003/08/17 01:32:24 tanderson Exp $ 44 * 45 * Date Author Changes 46 * 02/26/2000 jimm Created 47 */ 48 49 package org.exolab.jms.message; 50 51 import java.io.Externalizable; 52 import java.io.IOException; 53 import java.io.ObjectInput; 54 import java.io.ObjectOutput; 55 56 import javax.jms.JMSException; 57 58 59 /*** 60 * Wrapper for JMSPriority 61 * 62 * @version $Revision: 1.4 $ $Date: 2003/08/17 01:32:24 $ 63 * @author <a href="mailto:mourikis@exolab.org">Jim Mourikis</a> 64 */ 65 public class Priority implements Externalizable { 66 67 // Version Id used for streaming 68 static final long serialVersionUID = 1; 69 70 private int priority_ = 0; 71 72 public Priority() { 73 74 } 75 76 public Priority(int priority) throws JMSException { 77 if (priority >= 0 && priority < 10) { 78 priority_ = priority; 79 } else { 80 throw new JMSException("Invalid priority"); 81 } 82 } 83 84 85 // Marshall out 86 public void writeExternal(ObjectOutput out) throws IOException { 87 out.writeLong(serialVersionUID); 88 out.writeInt(priority_); 89 } 90 91 92 // Marshall in 93 public void readExternal(ObjectInput in) 94 throws IOException, ClassNotFoundException { 95 long version = in.readLong(); 96 if (version == serialVersionUID) { 97 priority_ = in.readInt(); 98 } else { 99 throw new IOException("Incorrect version enountered: " + 100 version + " This version = " + 101 serialVersionUID); 102 } 103 } 104 105 106 public int getPriority() { 107 return priority_; 108 } 109 110 // expedited messages shouldbe delivered ahead of normal 111 public boolean isExpedited() { 112 return (priority_ >= 5 ? true : false); 113 } 114 115 // Comparisons 116 public boolean isGreater(Priority toCompare) { 117 return (priority_ > toCompare.priority_); 118 } 119 120 // Comparisons 121 public boolean isEqual(Priority toCompare) { 122 return (priority_ == toCompare.priority_); 123 } 124 } 125

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