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 import org.apache.camel.PollingConsumer;
027
028 import java.util.List;
029
030 /**
031 * A {@link Route} which starts with a
032 * <a href="http://activemq.apache.org/camel/polling-consumer.html">Polling Consumer</a>
033 *
034 * @version $Revision: 1.1 $
035 */
036 public class PollingConsumerRoute<E extends Exchange> extends Route<E> {
037 private Processor processor;
038
039 public PollingConsumerRoute(Endpoint endpoint, Processor processor) {
040 super(endpoint);
041 this.processor = processor;
042 }
043
044 @Override
045 public String toString() {
046 return "PollingConsumerRoute[" + getEndpoint() + " -> " + processor + "]";
047 }
048
049 public Processor getProcessor() {
050 return processor;
051 }
052
053 public void setProcessor(Processor processor) {
054 this.processor = processor;
055 }
056
057 /**
058 * Factory method to lazily create the complete list of services required for this route
059 * such as adding the processor or consumer
060 */
061 protected void addServices(List<Service> services) throws Exception {
062 Processor processor = getProcessor();
063 if (processor instanceof Service) {
064 Service service = (Service) processor;
065 services.add(service);
066 }
067 Endpoint<E> endpoint = getEndpoint();
068 PollingConsumer<E> consumer = endpoint.createPollingConsumer();
069 if (consumer != null) {
070 services.add(consumer);
071 }
072 }
073 }