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}