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.processor.idempotent.IdempotentConsumer;
028 import org.apache.camel.processor.idempotent.MessageIdRepository;
029 import org.apache.camel.spi.RouteContext;
030
031 /**
032 * Represents an XML <idempotentConsumer/> element
033 *
034 * @version $Revision: 705880 $
035 */
036 @XmlRootElement(name = "idempotentConsumer")
037 @XmlAccessorType(XmlAccessType.FIELD)
038 public class IdempotentConsumerType extends ExpressionNode {
039 @XmlAttribute
040 private String messageIdRepositoryRef;
041 @XmlTransient
042 private MessageIdRepository messageIdRepository;
043
044 public IdempotentConsumerType() {
045 }
046
047 public IdempotentConsumerType(Expression messageIdExpression, MessageIdRepository messageIdRepository) {
048 super(messageIdExpression);
049 this.messageIdRepository = messageIdRepository;
050 }
051
052 @Override
053 public String toString() {
054 return "IdempotentConsumer[" + getExpression() + " -> " + getOutputs() + "]";
055 }
056
057 @Override
058 public String getShortName() {
059 return "idempotentConsumer";
060 }
061
062 public String getMessageIdRepositoryRef() {
063 return messageIdRepositoryRef;
064 }
065
066 public void setMessageIdRepositoryRef(String messageIdRepositoryRef) {
067 this.messageIdRepositoryRef = messageIdRepositoryRef;
068 }
069
070 public MessageIdRepository getMessageIdRepository() {
071 return messageIdRepository;
072 }
073
074 public void setMessageIdRepository(MessageIdRepository messageIdRepository) {
075 this.messageIdRepository = messageIdRepository;
076 }
077
078 @Override
079 public Processor createProcessor(RouteContext routeContext) throws Exception {
080 Processor childProcessor = routeContext.createProcessor(this);
081 MessageIdRepository messageIdRepository = resolveMessageIdRepository(routeContext);
082 return new IdempotentConsumer(getExpression().createExpression(routeContext), messageIdRepository,
083 childProcessor);
084 }
085
086 public MessageIdRepository resolveMessageIdRepository(RouteContext routeContext) {
087 if (messageIdRepository == null) {
088 messageIdRepository = routeContext.lookup(messageIdRepositoryRef, MessageIdRepository.class);
089 }
090 return messageIdRepository;
091 }
092 }