Coverage Report - org.apache.camel.processor.loadbalancer.QueueLoadBalancer
 
Classes in this File Line Coverage Branch Coverage Complexity
QueueLoadBalancer
0% 
0% 
0
 
 1  
 /**
 2  
  *
 3  
  * Licensed to the Apache Software Foundation (ASF) under one or more
 4  
  * contributor license agreements.  See the NOTICE file distributed with
 5  
  * this work for additional information regarding copyright ownership.
 6  
  * The ASF licenses this file to You under the Apache License, Version 2.0
 7  
  * (the "License"); you may not use this file except in compliance with
 8  
  * the License.  You may obtain a copy of the License at
 9  
  *
 10  
  * http://www.apache.org/licenses/LICENSE-2.0
 11  
  *
 12  
  * Unless required by applicable law or agreed to in writing, software
 13  
  * distributed under the License is distributed on an "AS IS" BASIS,
 14  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 15  
  * See the License for the specific language governing permissions and
 16  
  * limitations under the License.
 17  
  */
 18  
 package org.apache.camel.processor.loadbalancer;
 19  
 
 20  
 import org.apache.camel.Exchange;
 21  
 import org.apache.camel.Processor;
 22  
 
 23  
 import java.util.List;
 24  
 
 25  
 /**
 26  
  * A base class for {@link LoadBalancer} implementations which choose a single destination for each exchange
 27  
  * (rather like JMS Queues)
 28  
  *
 29  
  * @version $Revision: 1.1 $
 30  
  */
 31  0
 public abstract class QueueLoadBalancer extends LoadBalancerSupport {
 32  
 
 33  
     public void process(Exchange exchange) throws Exception {
 34  0
         List<Processor> list = getProcessors();
 35  0
         if (list.isEmpty()) {
 36  0
             throw new IllegalStateException("No processors available to process " + exchange);
 37  
         }
 38  0
         Processor processor = chooseProcessor(list, exchange);
 39  0
         if (processor == null) {
 40  0
             throw new IllegalStateException("No processors could be chosen to process " + exchange);
 41  
         }
 42  
         else {
 43  0
             processor.process(exchange);
 44  
         }
 45  0
     }
 46  
 
 47  
     protected abstract Processor chooseProcessor(List<Processor> processors, Exchange exchange);
 48  
 }