001/* 002 * Copyright 2002-2017 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 019import org.springframework.lang.Nullable; 020 021/** 022 * Exception thrown on an optimistic locking violation. 023 * 024 * <p>This exception will be thrown either by O/R mapping tools 025 * or by custom DAO implementations. Optimistic locking failure 026 * is typically <i>not</i> detected by the database itself. 027 * 028 * @author Rod Johnson 029 * @see PessimisticLockingFailureException 030 */ 031@SuppressWarnings("serial") 032public class OptimisticLockingFailureException extends ConcurrencyFailureException { 033 034 /** 035 * Constructor for OptimisticLockingFailureException. 036 * @param msg the detail message 037 */ 038 public OptimisticLockingFailureException(String msg) { 039 super(msg); 040 } 041 042 /** 043 * Constructor for OptimisticLockingFailureException. 044 * @param msg the detail message 045 * @param cause the root cause from the data access API in use 046 */ 047 public OptimisticLockingFailureException(String msg, @Nullable Throwable cause) { 048 super(msg, cause); 049 } 050 051}