KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > jboss > mq > server > ReceiversImplLinkedList


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.server;
23
24 import java.util.ArrayList JavaDoc;
25 import java.util.Iterator JavaDoc;
26 import java.util.LinkedList JavaDoc;
27
28 import org.jboss.mq.Subscription;
29
30 /**
31  * The LinkedList implementation of the Receivers interface.
32  *
33  * @author <a HREF="mailto:adrian@jboss.com">Adrian Brock</a>
34  * @version $Revision: 38548 $
35  */
36 public class ReceiversImplLinkedList implements Receivers
37 {
38    /** The receivers */
39    LinkedList JavaDoc receivers = new LinkedList JavaDoc();
40
41    public void add(Subscription sub)
42    {
43       if (receivers.contains(sub))
44          return;
45       receivers.add(sub);
46    }
47    
48    public Iterator JavaDoc iterator()
49    {
50       return receivers.iterator();
51    }
52    
53    public ArrayList JavaDoc listReceivers()
54    {
55       return new ArrayList JavaDoc(receivers);
56    }
57    
58    public void remove(Subscription sub)
59    {
60       receivers.remove(sub);
61    }
62    
63    public int size()
64    {
65       return receivers.size();
66    }
67 }
68
Popular Tags