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;
018    
019    import org.apache.camel.Exchange;
020    import org.apache.camel.Processor;
021    import org.apache.camel.RollbackExchangeException;
022    
023    /**
024     * Processor for marking an {@link org.apache.camel.Exchange} to rollback.
025     *
026     * @version $Revision: 792504 $
027     */
028    public class RollbackProcessor implements Processor, Traceable {
029    
030        private String message;
031    
032        public RollbackProcessor() {
033        }
034    
035        public RollbackProcessor(String message) {
036            this.message = message;
037        }
038    
039        public void process(Exchange exchange) throws Exception {
040            // mark the exchange for rollback
041            exchange.setProperty(Exchange.ROLLBACK_ONLY, Boolean.TRUE);
042            if (message != null) {
043                exchange.setException(new RollbackExchangeException(message, exchange));
044            } else {
045                exchange.setException(new RollbackExchangeException(exchange));
046            }
047        }
048    
049        @Override
050        public String toString() {
051            if (message != null) {
052                return "Rollback[" + message + "]";
053            } else {
054                return "Rollback";
055            }
056        }
057    
058        public String getTraceLabel() {
059            return "Rollback";
060        }
061    }