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.foundation;
22:
23: /**
24: * @exclude
25: */
26: public class HashtableObjectEntry extends HashtableIntEntry {
27:
28: // FIELDS ARE PUBLIC SO THEY CAN BE REFLECTED ON IN JDKs <= 1.1
29:
30: public Object _objectKey;
31:
32: HashtableObjectEntry(int a_hash, Object a_key, Object a_object) {
33: super (a_hash, a_object);
34: _objectKey = a_key;
35: }
36:
37: HashtableObjectEntry(Object a_key, Object a_object) {
38: super (a_key.hashCode(), a_object);
39: _objectKey = a_key;
40: }
41:
42: public HashtableObjectEntry() {
43: super ();
44: }
45:
46: public Object key() {
47: return _objectKey;
48: }
49:
50: public Object deepClone(Object obj) {
51: return deepCloneInternal(new HashtableObjectEntry(), obj);
52: }
53:
54: protected HashtableIntEntry deepCloneInternal(
55: HashtableIntEntry entry, Object obj) {
56: ((HashtableObjectEntry) entry)._objectKey = _objectKey;
57: return super .deepCloneInternal(entry, obj);
58: }
59:
60: public boolean hasKey(Object key) {
61: return _objectKey.equals(key);
62: }
63:
64: public boolean sameKeyAs(HashtableIntEntry other) {
65: return other instanceof HashtableObjectEntry ? hasKey(((HashtableObjectEntry) other)._objectKey)
66: : false;
67: }
68: }
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