| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.impl; |
| |
| import java.util.List; |
| |
| import org.apache.camel.Consumer; |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.Navigate; |
| import org.apache.camel.Processor; |
| import org.apache.camel.Service; |
| import org.apache.camel.SuspendableService; |
| import org.apache.camel.management.InstrumentationProcessor; |
| import org.apache.camel.spi.RouteContext; |
| |
| /** |
| * A {@link DefaultRoute} which starts with an |
| * <a href="http://camel.apache.org/event-driven-consumer.html">Event Driven Consumer</a> |
| * |
| * @version |
| */ |
| public class EventDrivenConsumerRoute extends DefaultRoute { |
| private final Processor processor; |
| private Consumer consumer; |
| |
| public EventDrivenConsumerRoute(RouteContext routeContext, Endpoint endpoint, Processor processor) { |
| super(routeContext, endpoint); |
| this.processor = processor; |
| } |
| |
| @Override |
| public String toString() { |
| return "EventDrivenConsumerRoute[" + getEndpoint() + " -> " + processor + "]"; |
| } |
| |
| public Processor getProcessor() { |
| return processor; |
| } |
| |
| /** |
| * Factory method to lazily create the complete list of services required for this route |
| * such as adding the processor or consumer |
| */ |
| @Override |
| protected void addServices(List<Service> services) throws Exception { |
| Endpoint endpoint = getEndpoint(); |
| consumer = endpoint.createConsumer(processor); |
| if (consumer != null) { |
| services.add(consumer); |
| } |
| Processor processor = getProcessor(); |
| if (processor instanceof Service) { |
| services.add((Service)processor); |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| public Navigate<Processor> navigate() { |
| Processor answer = getProcessor(); |
| // skip the instrumentation processor if this route was wrapped by one |
| if (answer instanceof InstrumentationProcessor) { |
| answer = ((InstrumentationProcessor) answer).getProcessor(); |
| } |
| |
| if (answer instanceof Navigate) { |
| return (Navigate) answer; |
| } |
| return null; |
| } |
| |
| public Consumer getConsumer() { |
| return consumer; |
| } |
| |
| public boolean supportsSuspension() { |
| return consumer instanceof SuspendableService; |
| } |
| } |