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.model;
018
019 import javax.xml.bind.annotation.XmlAccessType;
020 import javax.xml.bind.annotation.XmlAccessorType;
021 import javax.xml.bind.annotation.XmlAttribute;
022 import javax.xml.bind.annotation.XmlRootElement;
023 import javax.xml.bind.annotation.XmlTransient;
024
025 import org.apache.camel.Expression;
026 import org.apache.camel.Processor;
027 import org.apache.camel.impl.RouteContext;
028 import org.apache.camel.processor.idempotent.IdempotentConsumer;
029 import org.apache.camel.processor.idempotent.MessageIdRepository;
030
031 /**
032 * @version $Revision: 1.1 $
033 */
034 @XmlRootElement(name = "idempotentConsumer")
035 @XmlAccessorType(XmlAccessType.FIELD)
036 public class IdempotentConsumerType extends ExpressionNode {
037 @XmlAttribute
038 private String messageIdRepositoryRef;
039 @XmlTransient
040 private MessageIdRepository messageIdRepository;
041
042 public IdempotentConsumerType() {
043 }
044
045 public IdempotentConsumerType(Expression messageIdExpression, MessageIdRepository messageIdRepository) {
046 super(messageIdExpression);
047 this.messageIdRepository = messageIdRepository;
048 }
049
050 @Override
051 public String toString() {
052 return "IdempotentConsumer[ " + getExpression() + " -> " + getOutputs() + "]";
053 }
054
055 public String getMessageIdRepositoryRef() {
056 return messageIdRepositoryRef;
057 }
058
059 public void setMessageIdRepositoryRef(String messageIdRepositoryRef) {
060 this.messageIdRepositoryRef = messageIdRepositoryRef;
061 }
062
063 public MessageIdRepository getMessageIdRepository() {
064 return messageIdRepository;
065 }
066
067 public void setMessageIdRepository(MessageIdRepository messageIdRepository) {
068 this.messageIdRepository = messageIdRepository;
069 }
070
071 @Override
072 public Processor createProcessor(RouteContext routeContext) throws Exception {
073 Processor childProcessor = routeContext.createProcessor(this);
074 MessageIdRepository messageIdRepository = resolveMessageIdRepository(routeContext);
075 return new IdempotentConsumer(getExpression().createExpression(routeContext), messageIdRepository,
076 childProcessor);
077 }
078
079 public MessageIdRepository resolveMessageIdRepository(RouteContext routeContext) {
080 if (messageIdRepository == null) {
081 messageIdRepository = routeContext.lookup(messageIdRepositoryRef, MessageIdRepository.class);
082 }
083 return messageIdRepository;
084 }
085 }