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 * Exception thrown on an optimistic locking violation.
021 *
022 * <p>This exception will be thrown either by O/R mapping tools
023 * or by custom DAO implementations. Optimistic locking failure
024 * is typically <i>not</i> detected by the database itself.
025 *
026 * @author Rod Johnson
027 * @see PessimisticLockingFailureException
028 */
029@SuppressWarnings("serial")
030public class OptimisticLockingFailureException extends ConcurrencyFailureException {
031
032        /**
033         * Constructor for OptimisticLockingFailureException.
034         * @param msg the detail message
035         */
036        public OptimisticLockingFailureException(String msg) {
037                super(msg);
038        }
039
040        /**
041         * Constructor for OptimisticLockingFailureException.
042         * @param msg the detail message
043         * @param cause the root cause from the data access API in use
044         */
045        public OptimisticLockingFailureException(String msg, Throwable cause) {
046                super(msg, cause);
047        }
048
049}