001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.transaction.memory;
018
019/**
020 * Exception displaying a conflict between two optimistic transactions.
021 * 
022 * @version $Id: ConflictException.java 493628 2007-01-07 01:42:48Z joerg $
023 * @see OptimisticMapWrapper
024 */
025public class ConflictException extends RuntimeException /* FIXME Exception*/ {
026        protected Object key;
027        
028        public ConflictException(Object key) {
029                this.key = key;
030        }
031}