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.spring.spi;
018
019 import org.apache.camel.Processor;
020 import org.apache.camel.builder.ErrorHandlerBuilder;
021 import org.apache.camel.builder.ErrorHandlerBuilderSupport;
022 import org.apache.camel.processor.DelayPolicy;
023 import org.apache.camel.processor.RedeliveryPolicy;
024 import org.apache.camel.spi.RouteContext;
025 import org.apache.camel.util.ObjectHelper;
026 import org.springframework.beans.factory.InitializingBean;
027 import org.springframework.transaction.support.TransactionTemplate;
028
029 /**
030 * An error handler which will roll the exception back if there is an error
031 * rather than using the dead letter channel and retry logic.
032 *
033 * A delay is also used after a rollback
034 *
035 * @version $Revision: 713123 $
036 */
037 public class TransactionErrorHandlerBuilder extends ErrorHandlerBuilderSupport implements Cloneable, InitializingBean {
038
039 private TransactionTemplate transactionTemplate;
040 private DelayPolicy delayPolicy = new DelayPolicy();
041
042 public TransactionErrorHandlerBuilder() {
043 }
044
045 public TransactionTemplate getTransactionTemplate() {
046 return transactionTemplate;
047 }
048
049 public void setTransactionTemplate(TransactionTemplate transactionTemplate) {
050 this.transactionTemplate = transactionTemplate;
051 }
052
053 public DelayPolicy getDelayPolicy() {
054 return delayPolicy;
055 }
056
057 public void setDelayPolicy(DelayPolicy delayPolicy) {
058 this.delayPolicy = delayPolicy;
059 }
060
061 public ErrorHandlerBuilder copy() {
062 try {
063 return (ErrorHandlerBuilder) clone();
064 } catch (CloneNotSupportedException e) {
065 throw new Error("Clone should be supported: " + e, e);
066 }
067 }
068
069 public Processor createErrorHandler(RouteContext routeContext, Processor processor) throws Exception {
070 return new TransactionInterceptor(processor, transactionTemplate, delayPolicy);
071 }
072
073 public void afterPropertiesSet() throws Exception {
074 ObjectHelper.notNull(transactionTemplate, "transactionTemplate");
075 }
076
077 // Builder methods
078 // -------------------------------------------------------------------------
079
080 public TransactionErrorHandlerBuilder delay(long delay) {
081 getDelayPolicy().delay(delay);
082 return this;
083 }
084
085 }