001 /** 002 * 003 * Licensed to the Apache Software Foundation (ASF) under one or more 004 * contributor license agreements. See the NOTICE file distributed with 005 * this work for additional information regarding copyright ownership. 006 * The ASF licenses this file to You under the Apache License, Version 2.0 007 * (the "License"); you may not use this file except in compliance with 008 * the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 package org.apache.camel.impl; 019 020 import org.apache.camel.Route; 021 import org.apache.camel.Endpoint; 022 import org.apache.camel.Processor; 023 import org.apache.camel.Service; 024 import org.apache.camel.Consumer; 025 import org.apache.camel.Exchange; 026 027 import java.util.List; 028 029 /** 030 * A {@link Route} which starts with an 031 * <a href="http://activemq.apache.org/camel/event-driven-consumer.html">Event Driven Consumer</a> 032 * 033 * @version $Revision: 1.1 $ 034 */ 035 public class EventDrivenConsumerRoute<E extends Exchange> extends Route<E> { 036 private Processor processor; 037 038 public EventDrivenConsumerRoute(Endpoint endpoint, Processor processor) { 039 super(endpoint); 040 this.processor = processor; 041 } 042 043 @Override 044 public String toString() { 045 return "EventDrivenConsumerRoute[" + getEndpoint() + " -> " + processor + "]"; 046 } 047 048 public Processor getProcessor() { 049 return processor; 050 } 051 052 public void setProcessor(Processor processor) { 053 this.processor = processor; 054 } 055 056 /** 057 * Factory method to lazily create the complete list of services required for this route 058 * such as adding the processor or consumer 059 */ 060 protected void addServices(List<Service> services) throws Exception { 061 Processor processor = getProcessor(); 062 if (processor instanceof Service) { 063 Service service = (Service) processor; 064 services.add(service); 065 } 066 Endpoint<E> endpoint = getEndpoint(); 067 Consumer<E> consumer = endpoint.createConsumer(processor); 068 if (consumer != null) { 069 services.add(consumer); 070 } 071 } 072 }