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.fieldindex;
22:
23: import com.db4o.foundation.*;
24: import com.db4o.internal.btree.*;
25:
26: final class IndexedPathIterator extends CompositeIterator4 {
27:
28: private IndexedPath _path;
29:
30: public IndexedPathIterator(IndexedPath path, Iterator4 iterator) {
31: super (iterator);
32: _path = path;
33: }
34:
35: protected Iterator4 nextIterator(final Object current) {
36: final FieldIndexKey key = (FieldIndexKey) current;
37: return _path.search(new Integer(key.parentID())).keys();
38: }
39:
40: }
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