Coverage Report - org.mule.transport.jms.redelivery.CountingRedeliveryHandlerFactory
 
Classes in this File Line Coverage Branch Coverage Complexity
CountingRedeliveryHandlerFactory
0%
0/11
0%
0/4
0
 
 1  
 /*
 2  
  * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 3  
  * The software in this package is published under the terms of the CPAL v1.0
 4  
  * license, a copy of which has been included with this distribution in the
 5  
  * LICENSE.txt file.
 6  
  */
 7  
 package org.mule.transport.jms.redelivery;
 8  
 
 9  
 
 10  
 import java.util.concurrent.atomic.AtomicReference;
 11  
 
 12  
 /**
 13  
  * @see CountingRedeliveryHandler
 14  
  */
 15  0
 public class CountingRedeliveryHandlerFactory implements RedeliveryHandlerFactory
 16  
 {
 17  
 
 18  0
     protected AtomicReference<RedeliveryHandler> handler = new AtomicReference<RedeliveryHandler>(null);
 19  
 
 20  
     public RedeliveryHandler create()
 21  
     {
 22  
         RedeliveryHandler result;
 23  
 
 24  
         // initialize, accounting for concurrency
 25  0
         if (handler.get() == null)
 26  
         {
 27  0
             final CountingRedeliveryHandler newInstance = new CountingRedeliveryHandler();
 28  0
             boolean ok = handler.compareAndSet(null, newInstance);
 29  0
             if (!ok)
 30  
             {
 31  
                 // someone was faster to initialize it, use this ref instead
 32  0
                 result = handler.get();
 33  
             }
 34  
             else
 35  
             {
 36  0
                 result = newInstance;
 37  
             }
 38  0
         }
 39  
         else
 40  
         {
 41  
             // just re-use existing stateful handler
 42  0
             result = handler.get();
 43  
         }
 44  
 
 45  0
         return result;
 46  
     }
 47  
 
 48  
 }
 49  
 
 50