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Java > Open Source Codes > com > lutris > dods > builder > generator > query > ColumnNullException


1 /*
2  * Enhydra Java Application Server Project
3  *
4  * The contents of this file are subject to the Enhydra Public License
5  * Version 1.1 (the "License"); you may not use this file except in
6  * compliance with the License. You may obtain a copy of the License on
7  * the Enhydra web site ( http://www.enhydra.org/ ).
8  *
9  * Software distributed under the License is distributed on an "AS IS"
10  * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
11  * the License for the specific terms governing rights and limitations
12  * under the License.
13  *
14  * The Initial Developer of the Enhydra Application Server is Lutris
15  * Technologies, Inc. The Enhydra Application Server and portions created
16  * by Lutris Technologies, Inc. are Copyright Lutris Technologies, Inc.
17  * All Rights Reserved.
18  *
19  * Contributor(s):
20  *
21  * $Id: ColumnNullException.java,v 1.1 2004/09/03 13:42:38 sinisa Exp $
22  */
23 package com.lutris.dods.builder.generator.query;
24
25 /**
26  * ColumnNullException is thrown by RDBColumnValue.get methods
27  * when an unexpected NULL value in a column retrieved from the database.
28  *
29  * Application developers should treat ColumnNullException like
30  * other ChainedException objects.
31  * ColumnNullExceptions can be used to perform assertions upon queried data.
32  * Otherwise, they usually indicate programming errors caused by a
33  * misunderstanding of the database schema.
34  *
35  * @see QueryBuilder
36  * @author Jay Gunter
37  */
38 public class ColumnNullException extends Exception JavaDoc {
39     ColumnNullException(RDBColumnValue v) {
40         super("Column " + v.getFullColumnName() + " is NULL.");
41     }
42 }
43
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