01: /*
02: * Copyright 2002-2006 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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
30: ConcurrencyFailureException {
31:
32: /**
33: * Constructor for OptimisticLockingFailureException.
34: * @param msg the detail message
35: */
36: public OptimisticLockingFailureException(String msg) {
37: super (msg);
38: }
39:
40: /**
41: * Constructor for OptimisticLockingFailureException.
42: * @param msg the detail message
43: * @param cause the root cause from the data access API in use
44: */
45: public OptimisticLockingFailureException(String msg, Throwable cause) {
46: super(msg, cause);
47: }
48:
49: }
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