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Java > Open Source Codes > com > sun > enterprise > server > ss > util > ASIterator


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 package com.sun.enterprise.server.ss.util;
24
25                                                                                                                              
26 /**
27  * When nio application uses Selector.selectedKeys(),
28  * ASSelector will return a ASSet instance, where it will wrap
29  * those selection keys used for OP_ACCEPT.
30  * Nio application might use Set.iterator() to remove the
31  * processed SelectionKey from the selectedSet. We provide
32  * a wrapper Iterator so that even the actual selectedSet in
33  * the Selector is modified.
34  *
35  * @see ASSelector
36  */
37 public class ASIterator implements java.util.Iterator JavaDoc {
38  
39     java.util.Iterator JavaDoc it = null;
40     ASSet asSet = null;
41
42     public ASIterator(ASSet asSet) {
43         this.it = asSet.actualSet().iterator();
44         this.asSet = asSet;
45     }
46
47     public Object JavaDoc next() {
48         return asSet.wrapIfNecessary(it.next());
49     }
50
51     public boolean hasNext() {
52         return it.hasNext();
53     }
54
55     public void remove() {
56         it.remove();
57     }
58 }
59
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