01: /*
02: * Distributed as part of c3p0 v.0.9.1.2
03: *
04: * Copyright (C) 2005 Machinery For Change, Inc.
05: *
06: * Author: Steve Waldman <swaldman@mchange.com>
07: *
08: * This library is free software; you can redistribute it and/or modify
09: * it under the terms of the GNU Lesser General Public License version 2.1, as
10: * published by the Free Software Foundation.
11: *
12: * This software is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: * GNU Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public License
18: * along with this software; see the file LICENSE. If not, write to the
19: * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20: * Boston, MA 02111-1307, USA.
21: */
22:
23: package com.mchange.v1.util;
24:
25: import java.util.Map;
26: import com.mchange.v2.lang.ObjectUtils;
27:
28: public abstract class AbstractMapEntry implements Map.Entry {
29: public abstract Object getKey();
30:
31: public abstract Object getValue();
32:
33: public abstract Object setValue(Object value);
34:
35: public boolean equals(Object o) {
36: if (o instanceof Map.Entry) {
37: Map.Entry other = (Map.Entry) o;
38: return ObjectUtils.eqOrBothNull(this .getKey(), other
39: .getKey())
40: && ObjectUtils.eqOrBothNull(this .getValue(), other
41: .getValue());
42: } else
43: return false;
44: }
45:
46: public int hashCode() {
47: return (this .getKey() == null ? 0 : this .getKey().hashCode())
48: ^ (this .getValue() == null ? 0 : this.getValue()
49: .hashCode());
50: }
51: }
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