| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.lenya.transaction; |
| |
| import org.apache.commons.lang.Validate; |
| |
| /** |
| * Exception which is thrown when a different identity changed a transactionable |
| * object in an optimistic offline lock scenario. |
| */ |
| public class ConcurrentModificationException extends TransactionException { |
| |
| private Transactionable transactionable; |
| |
| public ConcurrentModificationException(Transactionable t) { |
| super(); |
| Validate.notNull(t); |
| this.transactionable = t; |
| } |
| |
| public String getMessage() { |
| return "The object [" + this.transactionable + "] was modified after it has been locked."; |
| } |
| |
| /** |
| * @return The transactionable that was modified by a different identity. |
| */ |
| public Transactionable getTransactionable() { |
| return this.transactionable; |
| } |
| |
| } |