Clover coverage report - Code Coverage for hivemind release 1.1-beta-1
Coverage timestamp: Thu Apr 28 2005 19:53:41 EDT
file stats: LOC: 111   Methods: 6
NCLOC: 72   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
ShutdownCoordinatorImpl.java 83.3% 91.3% 83.3% 87.8%
coverage coverage
 1   
 // Copyright 2004, 2005 The Apache Software Foundation
 2   
 //
 3   
 // Licensed under the Apache License, Version 2.0 (the "License");
 4   
 // you may not use this file except in compliance with the License.
 5   
 // You may obtain a copy of the License at
 6   
 //
 7   
 //     http://www.apache.org/licenses/LICENSE-2.0
 8   
 //
 9   
 // Unless required by applicable law or agreed to in writing, software
 10   
 // distributed under the License is distributed on an "AS IS" BASIS,
 11   
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12   
 // See the License for the specific language governing permissions and
 13   
 // limitations under the License.
 14   
 
 15   
 package org.apache.hivemind.impl;
 16   
 
 17   
 import java.util.HashSet;
 18   
 import java.util.Iterator;
 19   
 import java.util.Set;
 20   
 
 21   
 import org.apache.commons.logging.Log;
 22   
 import org.apache.commons.logging.LogFactory;
 23   
 import org.apache.hivemind.ShutdownCoordinator;
 24   
 import org.apache.hivemind.events.RegistryShutdownListener;
 25   
 import org.apache.hivemind.util.EventListenerList;
 26   
 
 27   
 /**
 28   
  * Manages a list of objects that implement the
 29   
  * {@link org.apache.hivemind.events.RegistryShutdownListener}interface.
 30   
  * 
 31   
  * @author Howard Lewis Ship
 32   
  */
 33   
 public final class ShutdownCoordinatorImpl implements ShutdownCoordinator
 34   
 {
 35   
     private final Log _log;
 36   
 
 37   
     private Set alreadyShutdown;
 38   
 
 39  124
     public ShutdownCoordinatorImpl()
 40   
     {
 41  124
         this(LogFactory.getLog(ShutdownCoordinatorImpl.class));
 42   
     }
 43   
 
 44  153
     public ShutdownCoordinatorImpl(Log log)
 45   
     {
 46  153
         _log = log;        
 47   
     }
 48   
 
 49   
     private EventListenerList _listenerList;
 50   
 
 51  1599
     public synchronized void addRegistryShutdownListener(
 52   
             RegistryShutdownListener s)
 53   
     {
 54  1599
         if (_listenerList == null)
 55  130
             _listenerList = new EventListenerList();
 56   
 
 57  1599
         _listenerList.addListener(s);
 58   
     }
 59   
 
 60  0
     public synchronized void removeRegistryShutdownListener(
 61   
             RegistryShutdownListener s)
 62   
     {
 63  0
         if (_listenerList != null)
 64  0
             _listenerList.removeListener(s);
 65   
     }
 66   
 
 67  60
     public void shutdown()
 68   
     {
 69  60
         if (_listenerList == null)
 70  20
             return;
 71   
 
 72  40
         Iterator i = _listenerList.getListeners();
 73   
 
 74  40
         _listenerList = null;
 75   
 
 76  40
         while (i.hasNext())
 77   
         {
 78  407
             RegistryShutdownListener s = (RegistryShutdownListener) i.next();
 79   
 
 80  407
             shutdown(s);
 81   
         }
 82   
 
 83  40
         _listenerList = null;
 84   
     }
 85   
 
 86  407
     private void shutdown(RegistryShutdownListener s)
 87   
     {
 88  407
         if (alreadyShutdown == null)
 89   
         {
 90  40
             alreadyShutdown = new HashSet();
 91   
         }
 92  407
         final Long id = new Long(System.identityHashCode(s));
 93  407
         if (!alreadyShutdown.contains(id))
 94   
         {
 95  402
             try
 96   
             {
 97  402
                 s.registryDidShutdown();
 98   
             }
 99   
             catch (RuntimeException ex)
 100   
             {
 101  1
                 _log.error(ImplMessages.shutdownCoordinatorFailure(s, ex), ex);
 102   
             }
 103   
             finally
 104   
             {
 105  402
                 alreadyShutdown.add(id);
 106   
             }
 107   
         }
 108   
     }
 109   
 
 110   
 }
 111