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Java > Open Source Codes > org > springframework > dao > OptimisticLockingFailureException


1 /*
2  * Copyright 2002-2006 the original author or authors.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.springframework.dao;
18
19 /**
20  * Exception thrown on an optimistic locking violation.
21  *
22  * <p>This exception will be thrown either by O/R mapping tools
23  * or by custom DAO implementations. Optimistic locking failure
24  * is typically <i>not</i> detected by the database itself.
25  *
26  * @author Rod Johnson
27  * @see PessimisticLockingFailureException
28  */
29 public class OptimisticLockingFailureException extends ConcurrencyFailureException {
30
31     /**
32      * Constructor for OptimisticLockingFailureException.
33      * @param msg the detail message
34      */
35     public OptimisticLockingFailureException(String JavaDoc msg) {
36         super(msg);
37     }
38
39     /**
40      * Constructor for OptimisticLockingFailureException.
41      * @param msg the detail message
42      * @param cause the root cause from the data access API in use
43      */
44     public OptimisticLockingFailureException(String JavaDoc msg, Throwable JavaDoc cause) {
45         super(msg, cause);
46     }
47
48 }
49
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