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Java > Open Source Codes > org > netbeans > modules > db > sql > visualeditor > querymodel > JoinRestriction


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19 package org.netbeans.modules.db.sql.visualeditor.querymodel;
20
21 /**
22  * Represents the restriction in a JOIN clause
23  * Must be of form a.x = b.y
24  */
25 public class JoinRestriction {
26
27     // Fields
28
29     private ColumnNode _col1;
30
31     private String JavaDoc _op;
32
33     private ColumnNode _col2;
34
35
36     // Constructors
37
38     public JoinRestriction (ColumnNode col1, String JavaDoc op, ColumnNode col2) {
39         _col1 = col1;
40         _op = op;
41         _col2 = col2;
42     }
43
44
45     // Methods
46
47     // Return the SQL string that corresponds to this From clause
48 // For now, assume no joins
49 public String JavaDoc genText() {
50         return " " + _col1.genText() + " " + _op + " " + _col2.genText(); // NOI18N
51 }
52
53     // Methods
54
55     // Accessors/Mutators
56
57     public Column getCol1 () {
58         return _col1;
59     }
60
61     public Column getCol2 () {
62         return _col2;
63     }
64 }
65
66
67
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