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Java > Open Source Codes > org > apache > ldap > server > db > Tuple


1 /*
2  * Copyright 2004 The Apache Software Foundation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17 package org.apache.ldap.server.db;
18
19
20 /**
21  * A key/value tuple for simple two column Tables. Implemented to provide
22  * independence from the Jdbm Tuple class. Key and value copying should be
23  * performed to transpose jdbm.helper.Tuple data into our generic Tuple.
24  *
25  * @author <a HREF="mailto:dev@directory.apache.org">Apache Directory Project</a>
26  * @version $Rev: 169198 $
27  */
28 public class Tuple
29 {
30     /** the key for this Tuple */
31     private Object JavaDoc key;
32     /** the value for this Tuple */
33     private Object JavaDoc value;
34
35     
36     /**
37      * Do nothing default that has a null key and null value.
38      */
39     public Tuple()
40     {
41         // does nothing!
42 }
43     
44
45     /**
46      * Creates a Tuple using a key and a value.
47      *
48      * @param key the key to set
49      * @param value the value to set
50      */
51     public Tuple( Object JavaDoc key, Object JavaDoc value )
52     {
53         this.key = key;
54         this.value = value;
55     }
56     
57     
58     /**
59      * Gets the key for this Tuple.
60      *
61      * @return the Tuple's key
62      */
63     public Object JavaDoc getKey()
64     {
65         return key;
66     }
67     
68     
69     /**
70      * Sets the key for this Tuple.
71      *
72      * @param key the new key to set
73      */
74     public void setKey( Object JavaDoc key )
75     {
76         this.key = key;
77     }
78     
79     
80     /**
81      * Gets the value for this Tuple.
82      *
83      * @return the Tuple's value
84      */
85     public Object JavaDoc getValue()
86     {
87         return value;
88     }
89     
90     
91     /**
92      * Sets the value for this Tuple.
93      *
94      * @param value the new value to set
95      */
96     public void setValue( Object JavaDoc value )
97     {
98         this.value = value;
99     }
100 }
101
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