01: /* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
02:
03: This file is part of the db4o open source object database.
04:
05: db4o is free software; you can redistribute it and/or modify it under
06: the terms of version 2 of the GNU General Public License as published
07: by the Free Software Foundation and as clarified by db4objects' GPL
08: interpretation policy, available at
09: http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10: Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11: Suite 350, San Mateo, CA 94403, USA.
12:
13: db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14: WARRANTY; without even the implied warranty of MERCHANTABILITY or
15: FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16: for more details.
17:
18: You should have received a copy of the GNU General Public License along
19: with this program; if not, write to the Free Software Foundation, Inc.,
20: 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21: package com.db4o.constraints;
22:
23: /**
24: * db4o-specific exception.<br><br>
25: * This exception can be thrown by a
26: * {@link com.db4o.constraints.UniqueFieldValueConstraint} on commit.
27: * @see com.db4o.config.ObjectField#indexed(boolean)
28: * @see com.db4o.config.Configuration#add(com.db4o.config.ConfigurationItem)
29: */
30: public class UniqueFieldValueConstraintViolationException extends
31: ConstraintViolationException {
32:
33: /**
34: * Constructor with a message composed from the class and field
35: * name of the entity causing the exception.
36: * @param className class, which caused the exception
37: * @param fieldName field, which caused the exception
38: */
39: public UniqueFieldValueConstraintViolationException(
40: String className, String fieldName) {
41: super ("class: " + className + " field: " + fieldName);
42: }
43:
44: }
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