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 import org.apache.camel.Traceable; 023 import org.apache.camel.support.ServiceSupport; 024 025 /** 026 * Processor for marking an {@link org.apache.camel.Exchange} to rollback. 027 * 028 * @version 029 */ 030 public class RollbackProcessor extends ServiceSupport implements Processor, Traceable { 031 032 private boolean markRollbackOnly; 033 private boolean markRollbackOnlyLast; 034 private String message; 035 036 public RollbackProcessor() { 037 } 038 039 public RollbackProcessor(String message) { 040 this.message = message; 041 } 042 043 public void process(Exchange exchange) throws Exception { 044 if (isMarkRollbackOnlyLast()) { 045 // only mark the last route (current) as rollback 046 // this is needed when you have multiple transactions in play 047 exchange.setProperty(Exchange.ROLLBACK_ONLY_LAST, Boolean.TRUE); 048 } else { 049 // default to mark the entire route as rollback 050 exchange.setProperty(Exchange.ROLLBACK_ONLY, Boolean.TRUE); 051 } 052 053 if (markRollbackOnly || markRollbackOnlyLast) { 054 // do not do anything more as we should only mark the rollback 055 return; 056 } 057 058 // throw exception to rollback 059 if (message != null) { 060 throw new RollbackExchangeException(message, exchange); 061 } else { 062 throw new RollbackExchangeException(exchange); 063 } 064 } 065 066 @Override 067 public String toString() { 068 if (message != null) { 069 return "Rollback[" + message + "]"; 070 } else { 071 return "Rollback"; 072 } 073 } 074 075 public String getTraceLabel() { 076 return "rollback"; 077 } 078 079 public boolean isMarkRollbackOnly() { 080 return markRollbackOnly; 081 } 082 083 public void setMarkRollbackOnly(boolean markRollbackOnly) { 084 this.markRollbackOnly = markRollbackOnly; 085 } 086 087 public boolean isMarkRollbackOnlyLast() { 088 return markRollbackOnlyLast; 089 } 090 091 public void setMarkRollbackOnlyLast(boolean markRollbackOnlyLast) { 092 this.markRollbackOnlyLast = markRollbackOnlyLast; 093 } 094 095 @Override 096 protected void doStart() throws Exception { 097 // noop 098 } 099 100 @Override 101 protected void doStop() throws Exception { 102 // noop 103 } 104 }