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Java > Open Source Codes > org > apache > ojb > broker > query > BetweenCriteria


1 package org.apache.ojb.broker.query;
2
3 /* Copyright 2002-2005 The Apache Software Foundation
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17
18 /**
19  * SelectionCriteria for 'between x and y'
20  *
21  * @author <a HREF="mailto:jbraeuchi@hotmail.com">Jakob Braeuchi</a>
22  * @version $Id: BetweenCriteria.java,v 1.10.2.1 2005/12/21 22:27:09 tomdz Exp $
23  */
24 public class BetweenCriteria extends ValueCriteria
25 {
26     private Object JavaDoc value2;
27     
28     BetweenCriteria(Object JavaDoc anAttribute, Object JavaDoc aValue1, Object JavaDoc aValue2, String JavaDoc aClause, String JavaDoc anAlias)
29     {
30         super(anAttribute, aValue1, aClause, anAlias);
31         setValue2(aValue2);
32     }
33
34     // PAW
35 BetweenCriteria(Object JavaDoc anAttribute, Object JavaDoc aValue1, Object JavaDoc aValue2, String JavaDoc aClause, UserAlias aUserAlias)
36     {
37         super(anAttribute, aValue1, aClause, aUserAlias);
38         setValue2(aValue2);
39     }
40
41     /**
42      * sets the value of the criteria to newValue.
43      * Used by the ODMG OQLQuery.bind() operation
44      * BRJ: bind get's called twice so we need to know which value to set
45      */
46     public void bind(Object JavaDoc newValue)
47     {
48         if (getValue() == null)
49         {
50             setValue(newValue);
51         }
52         else
53         {
54             setValue2(newValue);
55             setBound(true);
56         }
57     }
58
59
60     /**
61      * Gets the value2.
62      * @return Returns a Object
63      */
64     public Object JavaDoc getValue2()
65     {
66         return value2;
67     }
68
69     /**
70      * Sets the value2.
71      * @param value2 The value2 to set
72      */
73     protected void setValue2(Object JavaDoc value2)
74     {
75         this.value2 = value2;
76     }
77
78     /**
79      * @see org.apache.ojb.broker.query.SelectionCriteria#isBindable()
80      */
81     protected boolean isBindable()
82     {
83         return (getValue() == null && getValue2() == null);
84     }
85
86     // PAW
87 /**
88      * String representation
89      */
90     public String JavaDoc toString()
91     {
92         return super.toString() + " AND " + value2;
93     }
94 }
95
96
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