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Java > Open Source Codes > org > netbeans > modules > db > sql > execute > NullValue


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 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.modules.db.sql.execute;
21
22 /**
23  * Represents a NULL database value.
24  *
25  * @author Andrei Badea
26  */
27 public class NullValue {
28
29     private static final NullValue DEFAULT = new NullValue();
30
31     public static NullValue getDefault() {
32         return DEFAULT;
33     }
34
35     private NullValue() {
36     }
37
38     public String JavaDoc toString() {
39         return "NULL"; // NOI18N
40 }
41 }
42
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