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.impl; 018 019 import java.util.List; 020 021 import org.apache.camel.Consumer; 022 import org.apache.camel.Endpoint; 023 import org.apache.camel.Navigate; 024 import org.apache.camel.Processor; 025 import org.apache.camel.Service; 026 027 /** 028 * A {@link DefaultRoute} which starts with an 029 * <a href="http://camel.apache.org/event-driven-consumer.html">Event Driven Consumer</a> 030 * 031 * @version $Revision: 769303 $ 032 */ 033 public class EventDrivenConsumerRoute extends DefaultRoute { 034 private final Processor processor; 035 036 public EventDrivenConsumerRoute(Endpoint endpoint, Processor processor) { 037 super(endpoint); 038 this.processor = processor; 039 } 040 041 @Override 042 public String toString() { 043 return "EventDrivenConsumerRoute[" + getEndpoint() + " -> " + processor + "]"; 044 } 045 046 public Processor getProcessor() { 047 return processor; 048 } 049 050 /** 051 * Factory method to lazily create the complete list of services required for this route 052 * such as adding the processor or consumer 053 */ 054 @Override 055 protected void addServices(List<Service> services) throws Exception { 056 Endpoint endpoint = getEndpoint(); 057 Consumer consumer = endpoint.createConsumer(processor); 058 if (consumer != null) { 059 services.add(consumer); 060 } 061 Processor processor = getProcessor(); 062 if (processor instanceof Service) { 063 services.add((Service)processor); 064 } 065 } 066 067 @SuppressWarnings("unchecked") 068 public Navigate<Processor> navigate() { 069 if (processor instanceof Navigate) { 070 return (Navigate) processor; 071 } 072 return null; 073 } 074 }