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}