Examples of org.hornetq.core.server.NodeManager

org.hornetq.core.server.NodeManager
@author Andy TaylorDate: Oct 13, 2010 Time: 2:38:40 PM

      }
   }


   public void testId() throws Exception
   {
      NodeManager nodeManager = new FileLockNodeManager(".");
      nodeManager.start();
      UUID id1 = nodeManager.getUUID();
      nodeManager.stop();
      nodeManager.start();
      assertEqualsByteArrays(id1.asBytes(), nodeManager.getUUID().asBytes());
      nodeManager.stop();
   }

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   /*
    * Can be overridden for tests
    */
   protected NodeManager createNodeManager(final String directory, String nodeGroupName, boolean replicatingBackup)
   {
      NodeManager manager;
      if (configuration.getJournalType() == JournalType.ASYNCIO && AsynchronousFileImpl.isLoaded())
      {
         manager = new AIOFileLockNodeManager(directory, replicatingBackup);
      }
      else
      {
         manager = new FileLockNodeManager(directory, replicatingBackup);
      }
      manager.setNodeGroupName(nodeGroupName);
      return manager;
   }

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      }


      public void close(boolean permanently) throws Exception
      {
         // TO avoid a NPE from stop
         NodeManager nodeManagerInUse = nodeManager;


         if (nodeManagerInUse != null)
         {
            if (permanently)
            {
               nodeManagerInUse.crashLiveServer();
            }
            else
            {
               nodeManagerInUse.pauseLiveServer();
            }
         }
      }

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      public void close(boolean permanently) throws Exception
      {


         // To avoid a NPE cause by the stop
         NodeManager nodeManagerInUse = nodeManager;


         if (configuration.isBackup())
         {
            long timeout = 30000;


            long start = System.currentTimeMillis();


            while (backupActivationThread.isAlive() && System.currentTimeMillis() - start < timeout)
            {
               if (nodeManagerInUse != null)
               {
                  nodeManagerInUse.interrupt();
               }


               backupActivationThread.interrupt();


               backupActivationThread.join(1000);


            }


            if (System.currentTimeMillis() - start >= timeout)
            {
               threadDump("Timed out waiting for backup activation to exit");
            }


            if (nodeManagerInUse != null)
            {
               nodeManagerInUse.stopBackup();
            }
         }
         else
         {


            if (nodeManagerInUse != null)
            {
               // if we are now live, behave as live
               // We need to delete the file too, otherwise the backup will failover when we shutdown or if the backup is
               // started before the live
               if (permanently)
               {
                  nodeManagerInUse.crashLiveServer();
               }
               else
               {
                  nodeManagerInUse.pauseLiveServer();
               }
            }
         }
      }

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            long timeout = 30000;


            long start = System.currentTimeMillis();


            // To avoid a NPE cause by the stop
            NodeManager nodeManagerInUse = nodeManager;


            while (backupActivationThread.isAlive() && System.currentTimeMillis() - start < timeout)
            {


               if (nodeManagerInUse != null)
               {
                  nodeManagerInUse.interrupt();
               }


               backupActivationThread.interrupt();


               Thread.sleep(1000);
            }


            if (System.currentTimeMillis() - start >= timeout)
            {
               HornetQServerLogger.LOGGER.backupActivationProblem();
            }


            if (nodeManagerInUse != null)
            {
               nodeManagerInUse.stopBackup();
            }
         }
      }

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      }


      public void close(boolean permanently) throws Exception
      {
         // To avoid a NPE cause by the stop
         NodeManager nodeManagerInUse = nodeManager;


         if (nodeManagerInUse != null)
         {
            if (permanently)
            {
               nodeManagerInUse.crashLiveServer();
            }
            else
            {
               nodeManagerInUse.pauseLiveServer();
            }
         }
      }

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   }


   // Fail bridge and reconnecting immediately
   public void testFailoverAndReconnectImmediately() throws Exception
   {
      NodeManager nodeManager = new InVMNodeManager();
      Map<String, Object> server0Params = new HashMap<String, Object>();
      HornetQServer server0 = createHornetQServer(0, server0Params, isNetty(), nodeManager);


      Map<String, Object> server1Params = new HashMap<String, Object>();
      HornetQServer server1 = createHornetQServer(1, isNetty(), server1Params);

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   // Fail bridge and attempt failover a few times before succeeding
   public void testFailoverAndReconnectAfterAFewTries() throws Exception
   {
      NodeManager nodeManager = new InVMNodeManager();


      Map<String, Object> server0Params = new HashMap<String, Object>();
      HornetQServer server0 = createHornetQServer(0, server0Params, isNetty(), nodeManager);


      Map<String, Object> server1Params = new HashMap<String, Object>();

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      super.tearDown();
   }


   public void testMultipleFailovers2LiveServers() throws Exception
   {
      NodeManager nodeManager1 = new InVMNodeManager();
      NodeManager nodeManager2 = new InVMNodeManager();
      createLiveConfig(nodeManager1, 0, 3, 4, 5);
      createBackupConfig(nodeManager1, 0, 1, true, new int[] {0, 2}, 3, 4, 5);
      createBackupConfig(nodeManager1, 0, 2, true, new int[] {0, 1}, 3, 4, 5);
      createLiveConfig(nodeManager2, 3, 0);
      createBackupConfig(nodeManager2, 3, 4, true, new int[] {3, 5}, 0, 1, 2);

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      }


      public void close(boolean permanently) throws Exception
      {
         // To avoid a NPE cause by the stop
         NodeManager nodeManagerInUse = nodeManager;


         if (nodeManagerInUse != null)
         {
            if (permanently)
            {
               nodeManagerInUse.crashLiveServer();
            }
            else
            {
               nodeManagerInUse.pauseLiveServer();
            }
         }
      }

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