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.test;
22:
23: public class Atom {
24:
25: public Atom child;
26: public String name;
27:
28: public Atom() {
29: }
30:
31: public Atom(Atom child) {
32: this .child = child;
33: }
34:
35: public Atom(String name) {
36: this .name = name;
37: }
38:
39: public Atom(Atom child, String name) {
40: this (child);
41: this .name = name;
42: }
43:
44: public int compareTo(Object obj) {
45: return 0;
46: }
47:
48: public boolean equals(Object obj) {
49: if (obj instanceof Atom) {
50: Atom other = (Atom) obj;
51: if (name == null) {
52: if (other.name != null) {
53: return false;
54: }
55: } else {
56: if (!name.equals(other.name)) {
57: return false;
58: }
59: }
60: if (child != null) {
61: return child.equals(other.child);
62: }
63: return other.child == null;
64: }
65: return false;
66: }
67:
68: public String toString() {
69: String str = "Atom(" + name + ")";
70: if (child != null) {
71: return str + "." + child.toString();
72: }
73: return str;
74: }
75:
76: }
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