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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 1999 (C) Exoffice Technologies Inc. All Rights Reserved. 42 * 43 * $Id: JmsQueue.java,v 1.10 2003/08/07 13:32:50 tanderson Exp $ 44 * 45 * Date Author Changes 46 * 3/21/2000 jima Created 47 */ 48 package org.exolab.jms.client; 49 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 import javax.jms.Queue; 58 import javax.naming.Reference; 59 import javax.naming.StringRefAddr; 60 61 62 /*** 63 * This object represents a queue, which is a type of destination. A queue 64 * is identified by name and two queues with the same name refer to the 65 * same object. 66 * 67 * @version $Revision: 1.10 $ $Date: 2003/08/07 13:32:50 $ 68 * @author <a href="mailto:jima@exoffice.com">Jim Alateras</a> 69 **/ 70 public class JmsQueue 71 extends JmsDestination 72 implements Queue, Externalizable { 73 74 /*** 75 * Used for serialization 76 */ 77 static final long serialVersionUID = 1; 78 79 80 /*** 81 * Need a default constructor for the serialization 82 */ 83 public JmsQueue() { 84 } 85 86 /*** 87 * Instantiate an instance of a queue name 88 * 89 * @param name queue name 90 */ 91 public JmsQueue(String name) { 92 super(name); 93 } 94 95 /*** 96 * Return the name of the queue 97 * 98 * @return name name of the queue 99 * @exception JMSException 100 */ 101 public String getQueueName() 102 throws JMSException { 103 return getName(); 104 } 105 106 // implementation of Object.equals(Object) 107 public boolean equals(Object object) { 108 boolean result = false; 109 110 if ((object instanceof JmsQueue) && 111 (((JmsQueue) object).getName().equals(this.getName()))) { 112 result = true; 113 } 114 115 return result; 116 } 117 118 // implementation of Object.hashCode 119 public int hashCode() { 120 return getName().hashCode(); 121 } 122 123 // implementation of Externalizable.writeExternal 124 public void writeExternal(ObjectOutput stream) 125 throws IOException { 126 stream.writeLong(serialVersionUID); 127 super.writeExternal(stream); 128 } 129 130 // implementation of Externalizable.writeExternal 131 public void readExternal(ObjectInput stream) 132 throws IOException, ClassNotFoundException { 133 long version = stream.readLong(); 134 if (version == serialVersionUID) { 135 super.readExternal(stream); 136 } else { 137 throw new IOException("JmsQueue with version " + 138 version + " is not supported."); 139 } 140 } 141 142 // implementation of Referenceable.getReference 143 public Reference getReference() { 144 Reference reference = null; 145 146 // create the reference 147 reference = new Reference(JmsQueue.class.getName(), 148 new StringRefAddr("name", getName()), 149 JmsDestinationFactory.class.getName(), null); 150 151 // add the persistence attribute 152 reference.add(new StringRefAddr("persistent", 153 (getPersistent() ? "true" : "false"))); 154 155 return reference; 156 } 157 }

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