Package org.jboss.jca.core.connectionmanager.listener

Examples of org.jboss.jca.core.connectionmanager.listener.ConnectionListener

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            // Nothing left to destroy
            if (cls.size() == 0)
               break;

            // Check the first in the list
            ConnectionListener cl = cls.get(0);
            if (cl.isTimedOut(timeout) && shouldRemove())
            {
               statistics.deltaTimedOut();

               // We need to destroy this one
               cls.remove(0);
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                  }

                  // Create a connection to fill the pool
                  try
                  {
                     ConnectionListener cl = createConnectionEventListener(defaultSubject, defaultCri);

                     synchronized (cls)
                     {
                        if (trace)
                           log.trace("Filling pool cl=" + cl);
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         try
         {
            while (true)
            {
               ConnectionListener cl = null;
               boolean destroyed = false;

               synchronized (cls)
               {
                  if (cls.size() == 0)
                  {
                     break;
                  }

                  cl = removeForFrequencyCheck();
               }

               if (cl == null)
               {
                  break;
               }

               try
               {
                  Set candidateSet = Collections.singleton(cl.getManagedConnection());

                  if (mcf instanceof ValidatingManagedConnectionFactory)
                  {
                     ValidatingManagedConnectionFactory vcf = (ValidatingManagedConnectionFactory) mcf;
                     candidateSet = vcf.getInvalidConnections(candidateSet);

                     if (candidateSet != null && candidateSet.size() > 0)
                     {
                        if (cl.getState() != ConnectionState.DESTROY)
                        {
                           doDestroy(cl);
                           cl = null;
                           destroyed = true;
                           anyDestroyed = true;
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    */
   private ConnectionListener removeForFrequencyCheck()
   {
      log.debug("Checking for connection within frequency");

      ConnectionListener cl = null;

      for (Iterator<ConnectionListener> iter = cls.iterator(); iter.hasNext();)
      {
         cl = iter.next();
         long lastCheck = cl.getLastValidatedTime();

         if ((System.currentTimeMillis() - lastCheck) >= poolConfiguration.getBackgroundValidationMillis())
         {
            cls.remove(cl);
            break;
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         if (permits.tryAcquire(poolConfiguration.getBlockingTimeout(), TimeUnit.MILLISECONDS))
         {
            statistics.deltaTotalBlockingTime(System.currentTimeMillis() - startWait);

            //We have a permit to get a connection. Is there one in the pool already?
            ConnectionListener cl = null;
            do
            {
               synchronized (cls)
               {
                  if (shutdown.get())
                  {
                     permits.release();
                     throw new RetryableUnavailableException(
                        bundle.thePoolHasBeenShutdown(pool.getName(),
                                                      Integer.toHexString(System.identityHashCode(this))));
                  }

                  if (cls.size() > 0)
                  {
                     cl = cls.remove(0);
                     checkedOut.add(cl);
                     statistics.setInUsedCount(checkedOut.size());
                  }
               }
               if (cl != null)
               {
                  //Yes, we retrieved a ManagedConnection from the pool. Does it match?
                  try
                  {
                     Object matchedMC = mcf.matchManagedConnections(Collections.singleton(cl.getManagedConnection()),
                                                                    subject, cri);

                     if (matchedMC != null)
                     {
                        if (trace)
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               log.trace("Flushing pool checkedOut=" + checkedOut + " inPool=" + cls);

            // Mark checked out connections as requiring destruction
            while (checkedOut.size() > 0)
            {
               ConnectionListener cl = checkedOut.remove(0);

               if (trace)
                  log.trace("Flush marking checked out connection for destruction " + cl);

               cl.setState(ConnectionState.DESTROY);

               if (destroy == null)
                  destroy = new ArrayList<ConnectionListener>(1);

               destroy.add(cl);

               if (clPermits.containsKey(cl))
               {
                  clPermits.remove(cl);
                  permits.release();
               }
            }

            statistics.setInUsedCount(checkedOut.size());
         }

         // Destroy connections in the pool
         while (cls.size() > 0)
         {
            ConnectionListener cl = cls.remove(0);

            if (destroy == null)
               destroy = new ArrayList<ConnectionListener>(1);

            destroy.add(cl);
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            // Nothing left to destroy
            if (cls.size() == 0)
               break;

            // Check the first in the list
            ConnectionListener cl = cls.get(0);
            if (cl.isTimedOut(timeout) && shouldRemove())
            {
               statistics.deltaTimedOut();

               // We need to destroy this one
               cls.remove(0);
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                  }

                  // Create a connection to fill the pool
                  try
                  {
                     ConnectionListener cl = createConnectionEventListener(defaultSubject, defaultCri);

                     synchronized (cls)
                     {
                        if (trace)
                           log.trace("Filling pool cl=" + cl);
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         try
         {
            while (true)
            {
               ConnectionListener cl = null;
               boolean destroyed = false;

               synchronized (cls)
               {
                  if (cls.size() == 0)
                  {
                     break;
                  }

                  cl = removeForFrequencyCheck();
               }

               if (cl == null)
               {
                  break;
               }

               try
               {
                  Set candidateSet = Collections.singleton(cl.getManagedConnection());

                  if (mcf instanceof ValidatingManagedConnectionFactory)
                  {
                     ValidatingManagedConnectionFactory vcf = (ValidatingManagedConnectionFactory) mcf;
                     candidateSet = vcf.getInvalidConnections(candidateSet);

                     if (candidateSet != null && candidateSet.size() > 0)
                     {
                        if (cl.getState() != ConnectionState.DESTROY)
                        {
                           doDestroy(cl);
                           cl = null;
                           destroyed = true;
                           anyDestroyed = true;
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    */
   private ConnectionListener removeForFrequencyCheck()
   {
      log.debug("Checking for connection within frequency");

      ConnectionListener cl = null;

      for (Iterator<ConnectionListener> iter = cls.iterator(); iter.hasNext();)
      {
         cl = iter.next();
         long lastCheck = cl.getLastValidatedTime();

         if ((System.currentTimeMillis() - lastCheck) >= poolConfiguration.getBackgroundValidationMillis())
         {
            cls.remove(cl);
            break;
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Related Classes of org.jboss.jca.core.connectionmanager.listener.ConnectionListener

  • org.jboss.jca.core.connectionmanager.AbstractConnectionManager
  • org.jboss.jca.core.connectionmanager.notx.NoTxConnectionManager
  • org.jboss.jca.core.connectionmanager.notx.NoTxConnectionManagerImpl
  • org.jboss.jca.core.connectionmanager.pool.AbstractPool
  • org.jboss.jca.core.connectionmanager.pool.ManagedConnectionPool
  • org.jboss.jca.core.connectionmanager.pool.mcp.ArrayBlockingQueueManagedConnectionPool
  • org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreArrayListManagedConnectionPool
  • org.jboss.jca.core.connectionmanager.tx.TxConnectionManager
  • org.jboss.jca.core.connectionmanager.tx.TxConnectionManagerImpl
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