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Java > Open Source Codes > org > jboss > mq > SpyTopic


1 /*
2 * JBoss, Home of Professional Open Source
3 * Copyright 2005, JBoss Inc., and individual contributors as indicated
4 * by the @authors tag. See the copyright.txt in the distribution for a
5 * full listing of individual contributors.
6 *
7 * This is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Lesser General Public License as
9 * published by the Free Software Foundation; either version 2.1 of
10 * the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this software; if not, write to the Free
19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21 */
22 package org.jboss.mq;
23
24 import java.io.Serializable JavaDoc;
25
26 import javax.jms.Topic JavaDoc;
27 import javax.naming.Reference JavaDoc;
28 import javax.naming.Referenceable JavaDoc;
29 import javax.naming.StringRefAddr JavaDoc;
30
31 /**
32  * This class implements javax.jms.Topic
33  *
34  * @author Norbert Lataille (Norbert.Lataille@m4x.org)
35  * @author Hiram Chirino (Cojonudo14@hotmail.com)
36  * @author David Maplesden (David.Maplesden@orion.co.nz)
37  * @author <a HREF="mailto:adrian@jboss.org">Adrian Brock</a>
38  * @version $Revision: 37459 $
39  */
40 public class SpyTopic extends SpyDestination implements Serializable JavaDoc, Topic JavaDoc, Referenceable JavaDoc
41 {
42    // Constants -----------------------------------------------------
43
44    /** The serialVersionUID */
45    static final long serialVersionUID = -4784950783387129468L;
46    
47    // Attributes ----------------------------------------------------
48
49    /** The durableSubscriptionID */
50    protected DurableSubscriptionID durableSubscriptionID;
51
52    /** added cached toString string for efficiency */
53    private String JavaDoc toStringStr;
54    // Static --------------------------------------------------------
55
56    // Constructors --------------------------------------------------
57
58    /**
59     * Create a new SpyTopic
60     *
61     * @param topicName the topic name
62     */
63    public SpyTopic(String JavaDoc topicName)
64    {
65       super(topicName);
66       toStringStr = "TOPIC." + name;
67    }
68
69    /**
70     * Create a new SpyTopic
71     *
72     * @param topic the topic
73     * @param clientID the client id
74     * @param subscriptionName the subscription name
75     * @param selector the selector
76     */
77    public SpyTopic(SpyTopic topic, String JavaDoc clientID, String JavaDoc subscriptionName, String JavaDoc selector)
78    {
79       this(topic, new DurableSubscriptionID(clientID, subscriptionName, selector));
80    }
81
82    /**
83     * Create a new SpyTopic
84     *
85     * @param topic the topic
86     * @param subid the durable subscription
87     */
88    public SpyTopic(SpyTopic topic, DurableSubscriptionID subid)
89    {
90       super(topic.getTopicName());
91       if (subid == null)
92          toStringStr = "TOPIC." + name;
93       else
94          toStringStr = "TOPIC." + name + "." + subid;
95       this.durableSubscriptionID = subid;
96    }
97    
98    // Public --------------------------------------------------------
99
100    /**
101     * Get the durable subscription id
102     *
103     * return the durable subscription id
104     */
105    public DurableSubscriptionID getDurableSubscriptionID()
106    {
107       return durableSubscriptionID;
108    }
109    
110    // Topic implementation ------------------------------------------
111
112    public String JavaDoc getTopicName()
113    {
114       return name;
115    }
116    
117    // Referenceable implementation ----------------------------------
118 public Reference JavaDoc getReference() throws javax.naming.NamingException JavaDoc
119    {
120       return new Reference JavaDoc("org.jboss.mq.SpyTopic", new StringRefAddr JavaDoc("name", name),
121             "org.jboss.mq.referenceable.SpyDestinationObjectFactory", null);
122    }
123    
124    // Object overrides ----------------------------------------------
125
126    public boolean equals(Object JavaDoc obj)
127    {
128       if (!(obj instanceof SpyTopic))
129          return false;
130       if (obj.hashCode() != hash)
131          return false;
132       return ((SpyDestination) obj).name.equals(name);
133    }
134    
135    public String JavaDoc toString()
136    {
137       return toStringStr;
138    }
139    
140    // Package protected ---------------------------------------------
141
142    // Protected -----------------------------------------------------
143
144    // Private -------------------------------------------------------
145
146    // Inner classes -------------------------------------------------
147 }
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