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: 43540 $ 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 }