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}