01: /*
02: * Copyright (C) 2004 NNL Technology AB
03: * Visit www.infonode.net for information about InfoNode(R)
04: * products and how to contact NNL Technology AB.
05: *
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU General Public License
08: * as published by the Free Software Foundation; either version 2
09: * of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU General Public License for more details.
15: *
16: * You should have received a copy of the GNU General Public License
17: * along with this program; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
19: * MA 02111-1307, USA.
20: */
21:
22: // $Id: ParentMapRef.java,v 1.5 2005/02/16 11:28:15 jesper Exp $
23: package net.infonode.properties.propertymap.ref;
24:
25: import net.infonode.properties.propertymap.PropertyMapImpl;
26:
27: import java.io.IOException;
28: import java.io.ObjectOutputStream;
29:
30: /**
31: * @author $Author: jesper $
32: * @version $Revision: 1.5 $
33: */
34: public class ParentMapRef implements PropertyMapRef {
35: public static final ParentMapRef INSTANCE = new ParentMapRef();
36:
37: private ParentMapRef() {
38: }
39:
40: public PropertyMapImpl getMap(PropertyMapImpl object) {
41: return object == null ? null : object.getParent();
42: }
43:
44: public String toString() {
45: return "parent";
46: }
47:
48: public void write(ObjectOutputStream out) throws IOException {
49: out.writeInt(PropertyMapRefDecoder.PARENT);
50: }
51:
52: }
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