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Java > Open Source Codes > org > apache > torque > om > SimpleKey


1 package org.apache.torque.om;
2
3 /*
4  * Licensed to the Apache Software Foundation (ASF) under one
5  * or more contributor license agreements. See the NOTICE file
6  * distributed with this work for additional information
7  * regarding copyright ownership. The ASF licenses this file
8  * to you under the Apache License, Version 2.0 (the
9  * "License"); you may not use this file except in compliance
10  * with the License. You may obtain a copy of the License at
11  *
12  * http://www.apache.org/licenses/LICENSE-2.0
13  *
14  * Unless required by applicable law or agreed to in writing,
15  * software distributed under the License is distributed on an
16  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17  * KIND, either express or implied. See the License for the
18  * specific language governing permissions and limitations
19  * under the License.
20  */
21
22 /**
23  * This empty class marks an ObjectKey as being capable of being
24  * represented as a single column in a database.
25  *
26  * @author <a HREF="mailto:jmcnally@apache.org">John McNally</a>
27  * @author <a HREF="mailto:drfish@cox.net">J. Russell Smyth</a>
28  * @version $Id: SimpleKey.java 473821 2006-11-11 22:37:25Z tv $
29  */
30 public abstract class SimpleKey extends ObjectKey
31 {
32     /**
33      * Creates a SimpleKey equivalent to key
34      * @param key the key value
35      * @return a SimpleKey
36      */
37     public static SimpleKey keyFor(java.math.BigDecimal JavaDoc key)
38     {
39         return new NumberKey(key);
40     }
41
42     /**
43      * Creates a SimpleKey equivalent to key
44      * @param key the key value
45      * @return a SimpleKey
46      */
47     public static SimpleKey keyFor(int key)
48     {
49         return new NumberKey(key);
50     }
51
52     /**
53      * Creates a SimpleKey equivalent to key
54      * @param key the key value
55      * @return a SimpleKey
56      */
57     public static SimpleKey keyFor(long key)
58     {
59         return new NumberKey(key);
60     }
61
62     /**
63      * Creates a SimpleKey equivalent to key
64      * @param key the key value
65      * @return a SimpleKey
66      */
67     public static SimpleKey keyFor(double key)
68     {
69         return new NumberKey(key);
70     }
71
72     /**
73      * Creates a SimpleKey equivalent to key
74      * @param key the key value
75      * @return a SimpleKey
76      */
77     public static SimpleKey keyFor(Number JavaDoc key)
78     {
79         return new NumberKey(key);
80     }
81
82     /**
83      * Creates a SimpleKey equivalent to key
84      * @param key the key value
85      * @return a SimpleKey
86      */
87     public static SimpleKey keyFor(NumberKey key)
88     {
89         return new NumberKey(key);
90     }
91
92     /**
93      * Creates a SimpleKey equivalent to key
94      * @param key the key value
95      * @return a SimpleKey
96      */
97     public static SimpleKey keyFor(String JavaDoc key)
98     {
99         return new StringKey(key);
100     }
101
102     /**
103      * Creates a SimpleKey equivalent to key
104      * @param key the key value
105      * @return a SimpleKey
106      */
107     public static SimpleKey keyFor(StringKey key)
108     {
109         return new StringKey(key);
110     }
111
112     /**
113      * Creates a SimpleKey equivalent to key
114      * @param key the key value
115      * @return a SimpleKey
116      */
117     public static SimpleKey keyFor(java.util.Date JavaDoc key)
118     {
119         return new DateKey(key);
120     }
121
122     /**
123      * Creates a SimpleKey equivalent to key
124      * @param key the key value
125      * @return a SimpleKey
126      */
127     public static SimpleKey keyFor(DateKey key)
128     {
129         return new DateKey(key);
130     }
131 }
132
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