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    }