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Java > Open Source Codes > org > netbeans > mdr > persistence > btreeimpl > btreeindex > BtreeListByKeyRepos


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19 package org.netbeans.mdr.persistence.btreeimpl.btreeindex;
20
21 import org.netbeans.mdr.persistence.*;
22 import java.util.*;
23
24 public class BtreeListByKeyRepos extends AbstractSequentialList {
25
26     private BtreeListByKey innerList;
27     private SinglevaluedIndex repos;
28
29     BtreeListByKeyRepos(BtreeListByKey innerList, SinglevaluedIndex repos) {
30         this.innerList = innerList;
31         this.repos = repos;
32     }
33
34     public int size() {
35         return innerList.size ();
36     }
37
38     public boolean isEmpty() {
39         return innerList.isEmpty();
40     }
41     
42     public boolean add(Object JavaDoc o) {
43         ListIterator it = listIterator();
44         while (it.hasNext()) it.next();
45         it.add(o);
46         return true;
47     }
48     
49     public boolean addAll(Collection c) {
50         ListIterator it = listIterator();
51         while (it.hasNext()) it.next();
52         boolean result = false;
53         for (Iterator cit = c.iterator(); cit.hasNext();) {
54             try {
55                 it.add(cit.next());
56                 result = true;
57             } catch (RuntimeStorageException e) {
58             }
59         }
60         return result;
61     }
62
63     public ListIterator listIterator(int index) {
64         return innerList.listIterator (index, repos);
65     }
66
67 }
68
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