Coverage Report - org.apache.camel.processor.MulticastProcessor
 
Classes in this File Line Coverage Branch Coverage Complexity
MulticastProcessor
75% 
50% 
0
 
 1  
 /**
 2  
  * Licensed to the Apache Software Foundation (ASF) under one or more
 3  
  * contributor license agreements.  See the NOTICE file distributed with
 4  
  * this work for additional information regarding copyright ownership.
 5  
  * The ASF licenses this file to You under the Apache License, Version 2.0
 6  
  * (the "License"); you may not use this file except in compliance with
 7  
  * the License.  You may obtain a copy of the License at
 8  
  *
 9  
  *      http://www.apache.org/licenses/LICENSE-2.0
 10  
  *
 11  
  * Unless required by applicable law or agreed to in writing, software
 12  
  * distributed under the License is distributed on an "AS IS" BASIS,
 13  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 14  
  * See the License for the specific language governing permissions and
 15  
  * limitations under the License.
 16  
  */
 17  
 package org.apache.camel.processor;
 18  
 
 19  
 import java.util.ArrayList;
 20  
 import java.util.Collection;
 21  
 
 22  
 import org.apache.camel.Endpoint;
 23  
 import org.apache.camel.Exchange;
 24  
 import org.apache.camel.Processor;
 25  
 import org.apache.camel.impl.ServiceSupport;
 26  
 import org.apache.camel.util.ServiceHelper;
 27  
 
 28  
 /**
 29  
  * Implements the Multicast pattern to send a message exchange to a number of
 30  
  * endpoints, each endpoint receiving a copy of the message exchange.
 31  
  * 
 32  
  * @see Pipeline
 33  
  * @version $Revision: 563607 $
 34  
  */
 35  
 public class MulticastProcessor extends ServiceSupport implements Processor {
 36  
     private Collection<Processor> processors;
 37  
 
 38  48
     public MulticastProcessor(Collection<Processor> processors) {
 39  48
         this.processors = processors;
 40  48
     }
 41  
 
 42  
     /**
 43  
      * A helper method to convert a list of endpoints into a list of processors
 44  
      */
 45  
     public static <E extends Exchange> Collection<Processor> toProducers(Collection<Endpoint> endpoints)
 46  
         throws Exception {
 47  0
         Collection<Processor> answer = new ArrayList<Processor>();
 48  0
         for (Endpoint endpoint : endpoints) {
 49  0
             answer.add(endpoint.createProducer());
 50  0
         }
 51  0
         return answer;
 52  
     }
 53  
 
 54  
     @Override
 55  
     public String toString() {
 56  3
         return "Multicast" + getProcessors();
 57  
     }
 58  
 
 59  
     public void process(Exchange exchange) throws Exception {
 60  3
         for (Processor producer : processors) {
 61  9
             Exchange copy = copyExchangeStrategy(producer, exchange);
 62  9
             producer.process(copy);
 63  9
         }
 64  3
     }
 65  
 
 66  
     protected void doStop() throws Exception {
 67  42
         ServiceHelper.stopServices(processors);
 68  42
     }
 69  
 
 70  
     protected void doStart() throws Exception {
 71  42
         ServiceHelper.startServices(processors);
 72  42
     }
 73  
 
 74  
     /**
 75  
      * Returns the producers to multicast to
 76  
      */
 77  
     public Collection<Processor> getProcessors() {
 78  87
         return processors;
 79  
     }
 80  
 
 81  
     /**
 82  
      * Strategy method to copy the exchange before sending to another endpoint.
 83  
      * Derived classes such as the {@link Pipeline} will not clone the exchange
 84  
      * 
 85  
      * @param processor the processor that will send the exchange
 86  
      * @param exchange
 87  
      * @return the current exchange if no copying is required such as for a
 88  
      *         pipeline otherwise a new copy of the exchange is returned.
 89  
      */
 90  
     protected Exchange copyExchangeStrategy(Processor processor, Exchange exchange) {
 91  9
         return exchange.copy();
 92  
     }
 93  
 }