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: * Data access exception thrown when something unintended appears to have
21: * happened with an update, but the transaction hasn't already been rolled back.
22: * Thrown, for example, when we wanted to update 1 row in an RDBMS but actually
23: * updated 3.
24: *
25: * @author Rod Johnson
26: */
27: public class IncorrectUpdateSemanticsDataAccessException extends
28: InvalidDataAccessResourceUsageException {
29:
30: /**
31: * Constructor for IncorrectUpdateSemanticsDataAccessException.
32: * @param msg the detail message
33: */
34: public IncorrectUpdateSemanticsDataAccessException(String msg) {
35: super (msg);
36: }
37:
38: /**
39: * Constructor for IncorrectUpdateSemanticsDataAccessException.
40: * @param msg the detail message
41: * @param cause the root cause from the underlying API, such as JDBC
42: */
43: public IncorrectUpdateSemanticsDataAccessException(String msg,
44: Throwable cause) {
45: super (msg, cause);
46: }
47:
48: /**
49: * Return whether data was updated.
50: * If this method returns false, there's nothing to roll back.
51: * <p>The default implementation always returns true.
52: * This can be overridden in subclasses.
53: */
54: public boolean wasDataUpdated() {
55: return true;
56: }
57:
58: }
|