1 /**
2 * Redistribution and use of this software and associated documentation ("Software"), with or
3 * without modification, are permitted provided that the following conditions are met:
4 *
5 * 1. Redistributions of source code must retain copyright statements and notices. Redistributions
6 * must also contain a copy of this document.
7 *
8 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
9 * conditions and the following disclaimer in the documentation and/or other materials provided with
10 * the distribution.
11 *
12 * 3. The name "Exolab" must not be used to endorse or promote products derived from this Software
13 * without prior written permission of Intalio, Inc. For written permission, please contact
14 * info@exolab.org.
15 *
16 * 4. Products derived from this Software may not be called "Exolab" nor may "Exolab" appear in
17 * their names without prior written permission of Intalio, Inc. Exolab is a registered trademark of
18 * Intalio, Inc.
19 *
20 * 5. Due credit should be given to the Exolab Project (http://www.exolab.org/).
21 *
22 * THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESSED OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
24 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTALIO, INC. OR ITS
25 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
29 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 *
31 * Copyright 2002 (C) Intalio, Inc. All Rights Reserved.
32 *
33 * $Id$
34 */
35
36 package org.exolab.castor.mapping;
37
38 /**
39 * Represents a Mapped Object. This Class allows for more control over the key used in Maps and
40 * Hashtables.
41 *
42 * @author <a href="kvisco@intalio.com">Keith Visco</a>
43 * @version $Revision$ $Date: 2003-03-03 00:05:44 -0700 (Mon, 03 Mar 2003) $
44 */
45 public class MapItem<K, V> {
46
47 /**
48 * The key
49 */
50 private K _key = null;
51
52 /**
53 * The value
54 */
55 private V _value = null;
56
57 /**
58 * Creates a new empty MapItem.
59 */
60 public MapItem() {
61 super();
62 }
63
64 /**
65 * Creates a new MapItem with the given key and value.
66 *
67 * @param key the key Object for this MapItem.
68 * @param value the value for this MapItem.
69 */
70 public MapItem(K key, V value) {
71 _key = key;
72 _value = value;
73 }
74
75 /**
76 * Returns the key Object for this MapItem, or null if no key has been specified.
77 *
78 * @return the key Object for this MapItem.
79 */
80 public K getKey() {
81 return _key;
82 }
83
84 /**
85 * Returns the value Object for this MapItem, or null if no value has yet been specified.
86 *
87 * @return the value Object for this MapItem.
88 */
89 public V getValue() {
90 return _value;
91 }
92
93 /**
94 * Sets the key for this MapItem.
95 *
96 * @param key the key Object for this MapItem.
97 */
98 public void setKey(K key) {
99 _key = key;
100 } // -- setKey
101
102 /**
103 * Sets the value for this MapItem.
104 *
105 * @param value the value Object for this MapItem.
106 */
107 public void setValue(V value) {
108 _value = value;
109 } // -- setValue
110
111 } // -- MapItem
112