01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10: Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11: Suite 350, San Mateo, CA 94403, USA.
12:
13: db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14: WARRANTY; without even the implied warranty of MERCHANTABILITY or
15: FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16: for more details.
17:
18: You should have received a copy of the GNU General Public License along
19: with this program; if not, write to the Free Software Foundation, Inc.,
20: 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21: package com.db4o.internal.query;
22:
23: import java.util.*;
24:
25: import com.db4o.ext.ExtObjectSet;
26: import com.db4o.foundation.*;
27: import com.db4o.internal.query.result.*;
28:
29: /**
30: * @exclude
31: */
32: public class ObjectSetFacade extends AbstractList implements
33: ExtObjectSet {
34:
35: public final StatefulQueryResult _delegate;
36:
37: public ObjectSetFacade(QueryResult qResult) {
38: _delegate = new StatefulQueryResult(qResult);
39: }
40:
41: public Iterator iterator() {
42: class JDKIterator extends Iterable4Adaptor implements Iterator {
43: public JDKIterator(Iterable4 delegate) {
44: super (delegate);
45: }
46:
47: public void remove() {
48: throw new UnsupportedOperationException();
49: }
50:
51: }
52: return new JDKIterator(_delegate);
53: }
54:
55: public long[] getIDs() {
56: return _delegate.getIDs();
57: }
58:
59: public ExtObjectSet ext() {
60: return this ;
61: }
62:
63: public boolean hasNext() {
64: return _delegate.hasNext();
65: }
66:
67: public Object next() {
68: return _delegate.next();
69: }
70:
71: public void reset() {
72: _delegate.reset();
73: }
74:
75: public int size() {
76: return _delegate.size();
77: }
78:
79: public boolean contains(Object a_object) {
80: return indexOf(a_object) >= 0;
81: }
82:
83: public Object get(int index) {
84: return _delegate.get(index);
85: }
86:
87: public int indexOf(Object a_object) {
88: return _delegate.indexOf(a_object);
89: }
90:
91: public int lastIndexOf(Object a_object) {
92: return indexOf(a_object);
93: }
94:
95: public void remove() {
96: throw new UnsupportedOperationException();
97: }
98: }
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