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Java > Open Source Codes > com > sun > enterprise > admin > jmx > remote > notification > SimpleQueue


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23
24 package com.sun.enterprise.admin.jmx.remote.notification;
25
26 import java.util.LinkedList JavaDoc;
27
28 /**
29  * A simple Queue class implemented using java.util.LinkedList
30  */
31 public class SimpleQueue {
32     public SimpleQueue() {
33         q = new LinkedList JavaDoc();
34     }
35
36     public void add(Object JavaDoc obj) {
37         q.add(obj);
38     }
39
40     public Object JavaDoc remove() {
41         return q.removeFirst();
42     }
43
44     public boolean isEmpty() {
45         return q.isEmpty();
46     }
47
48     public int size() {
49         return q.size();
50     }
51
52     private LinkedList JavaDoc q = null;
53 }
54
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