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


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  * Abstract superclass for Criteria using a field to compare with
20  *
21  * @author <a HREF="mailto:jbraeuchi@gmx.ch">Jakob Braeuchi</a>
22  * @version $Id: FieldCriteria.java,v 1.9.2.1 2005/12/21 22:27:09 tomdz Exp $
23  */
24 public class FieldCriteria extends SelectionCriteria
25 {
26     // PAW
27 // static FieldCriteria buildEqualToCriteria(Object anAttribute, Object aValue, String anAlias)
28 static FieldCriteria buildEqualToCriteria(Object JavaDoc anAttribute, Object JavaDoc aValue, UserAlias anAlias)
29     {
30         return new FieldCriteria(anAttribute, aValue, EQUAL, anAlias);
31     }
32
33     // PAW
34 // static FieldCriteria buildNotEqualToCriteria(Object anAttribute, Object aValue, String anAlias)
35 static FieldCriteria buildNotEqualToCriteria(Object JavaDoc anAttribute, Object JavaDoc aValue, UserAlias anAlias)
36     {
37         return new FieldCriteria(anAttribute, aValue, NOT_EQUAL, anAlias);
38     }
39
40     // PAW
41 // static FieldCriteria buildGreaterCriteria(Object anAttribute, Object aValue, String anAlias)
42 static FieldCriteria buildGreaterCriteria(Object JavaDoc anAttribute, Object JavaDoc aValue, UserAlias anAlias)
43     {
44         return new FieldCriteria(anAttribute, aValue,GREATER, anAlias);
45     }
46
47     // PAW
48 // static FieldCriteria buildNotGreaterCriteria(Object anAttribute, Object aValue, String anAlias)
49 static FieldCriteria buildNotGreaterCriteria(Object JavaDoc anAttribute, Object JavaDoc aValue, UserAlias anAlias)
50     {
51         return new FieldCriteria(anAttribute, aValue, NOT_GREATER, anAlias);
52     }
53
54     // PAW
55 // static FieldCriteria buildLessCriteria(Object anAttribute, Object aValue, String anAlias)
56 static FieldCriteria buildLessCriteria(Object JavaDoc anAttribute, Object JavaDoc aValue, UserAlias anAlias)
57     {
58         return new FieldCriteria(anAttribute, aValue, LESS, anAlias);
59     }
60
61     // PAW
62 // static FieldCriteria buildNotLessCriteria(Object anAttribute, Object aValue, String anAlias)
63 static FieldCriteria buildNotLessCriteria(Object JavaDoc anAttribute, Object JavaDoc aValue, UserAlias anAlias)
64     {
65         return new FieldCriteria(anAttribute, aValue, NOT_LESS, anAlias);
66     }
67
68     // BRJ: indicate whether field name should be translated into column name
69 private boolean m_translateField = true;
70     private String JavaDoc m_clause;
71
72     /**
73      * Constructor declaration
74      *
75      * @param anAttribute column- or fieldName
76      * @param aValue the value to compare with
77      * @param negative criteria is negated (ie NOT LIKE instead of LIKE)
78      * @param alias use alias to link anAttribute to
79      */
80     // PAW
81 // FieldCriteria(Object anAttribute, Object aValue, String aClause, String alias)
82 FieldCriteria(Object JavaDoc anAttribute, Object JavaDoc aValue, String JavaDoc aClause, UserAlias alias)
83     {
84         super(anAttribute, aValue, alias);
85         m_clause = aClause;
86     }
87
88     /**
89      * @see SelectionCriteria#isBindable()
90      */
91     protected boolean isBindable()
92     {
93         return false;
94     }
95
96     /**
97      * @return true if field name should be translated into column name
98      */
99     public boolean isTranslateField()
100     {
101         return m_translateField;
102     }
103
104     /**
105      * @param b
106      */
107     void setTranslateField(boolean b)
108     {
109         m_translateField = b;
110     }
111
112     /* (non-Javadoc)
113      * @see org.apache.ojb.broker.query.SelectionCriteria#getClause()
114      */
115     public String JavaDoc getClause()
116     {
117         return m_clause;
118     }
119 }
120
121
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