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: 35332 $ 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 }