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.camel.processor.idempotent; 018 019import org.apache.camel.Exchange; 020import org.apache.camel.Expression; 021import 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://camel.apache.org/idempotent-consumer.html">Idempotent Consumer</a> pattern. 026 * 027 * @version 028 */ 029public class NoMessageIdException extends RuntimeCamelException { 030 private static final long serialVersionUID = 5755929795399134568L; 031 032 private final Exchange exchange; 033 private final Expression expression; 034 035 public NoMessageIdException(Exchange exchange, Expression expression) { 036 super("No message ID could be found using expression: " + expression + " on message exchange: " + exchange); 037 this.exchange = exchange; 038 this.expression = expression; 039 } 040 041 /** 042 * The exchange which caused this failure 043 */ 044 public Exchange getExchange() { 045 return exchange; 046 } 047 048 /** 049 * The expression which was used 050 */ 051 public Expression getExpression() { 052 return expression; 053 } 054}