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 */ 017 package org.apache.camel.processor.idempotent; 018 019 import org.apache.camel.Exchange; 020 import org.apache.camel.Expression; 021 import org.apache.camel.RuntimeCamelException; 022 023 /** 024 * An exception thrown if no message ID could be found on a message which is to be used with the 025 * <a href="http://activemq.apache.org/camel/idempotent-consumer.html">Idempotent Consumer</a> pattern. 026 * 027 * @version $Revision: 303 $ 028 */ 029 public class NoMessageIdException extends RuntimeCamelException { 030 private final Exchange exchange; 031 private final Expression expression; 032 033 public NoMessageIdException(Exchange exchange, Expression expression) { 034 super("No message ID could be found using expression: " + expression + " on message exchange: " + exchange); 035 this.exchange = exchange; 036 this.expression = expression; 037 } 038 039 /** 040 * The exchange which caused this failure 041 */ 042 public Exchange getExchange() { 043 return exchange; 044 } 045 046 /** 047 * The expression which was used 048 */ 049 public Expression getExpression() { 050 return expression; 051 } 052 }