001/* 002 * Copyright 2002-2012 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.dao; 018 019/** 020 * Data access exception thrown when something unintended appears to have 021 * happened with an update, but the transaction hasn't already been rolled back. 022 * Thrown, for example, when we wanted to update 1 row in an RDBMS but actually 023 * updated 3. 024 * 025 * @author Rod Johnson 026 */ 027@SuppressWarnings("serial") 028public class IncorrectUpdateSemanticsDataAccessException extends InvalidDataAccessResourceUsageException { 029 030 /** 031 * Constructor for IncorrectUpdateSemanticsDataAccessException. 032 * @param msg the detail message 033 */ 034 public IncorrectUpdateSemanticsDataAccessException(String msg) { 035 super(msg); 036 } 037 038 /** 039 * Constructor for IncorrectUpdateSemanticsDataAccessException. 040 * @param msg the detail message 041 * @param cause the root cause from the underlying API, such as JDBC 042 */ 043 public IncorrectUpdateSemanticsDataAccessException(String msg, Throwable cause) { 044 super(msg, cause); 045 } 046 047 /** 048 * Return whether data was updated. 049 * If this method returns false, there's nothing to roll back. 050 * <p>The default implementation always returns true. 051 * This can be overridden in subclasses. 052 */ 053 public boolean wasDataUpdated() { 054 return true; 055 } 056 057}