001 /** 002 * 003 * Licensed to the Apache Software Foundation (ASF) under one or more 004 * contributor license agreements. See the NOTICE file distributed with 005 * this work for additional information regarding copyright ownership. 006 * The ASF licenses this file to You under the Apache License, Version 2.0 007 * (the "License"); you may not use this file except in compliance with 008 * the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 package org.apache.camel.processor.idempotent; 019 020 import org.apache.camel.Expression; 021 import org.apache.camel.Exchange; 022 import org.apache.camel.RuntimeCamelException; 023 024 /** 025 * An exception thrown if no message ID could be found on a message which is to be used with the 026 * <a href="http://activemq.apache.org/camel/idempotent-consumer.html">Idempotent Consumer</a> pattern. 027 * 028 * @version $Revision: 1.1 $ 029 */ 030 public class NoMessageIdException extends RuntimeCamelException { 031 private final Exchange exchange; 032 private final Expression expression; 033 034 public NoMessageIdException(Exchange exchange, Expression expression) { 035 super("No message ID could be found using expression: " + expression + " on message exchange: " + exchange); 036 this.exchange = exchange; 037 this.expression = expression; 038 } 039 040 /** 041 * The exchange which caused this failure 042 */ 043 public Exchange getExchange() { 044 return exchange; 045 } 046 047 /** 048 * The expression which was used 049 */ 050 public Expression getExpression() { 051 return expression; 052 } 053 }