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

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

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

org.jboss.jca.core.connectionmanager.listener.ConnectionListener
Connection listener. @author Gurkan Erdogdu @author Adrian Brock @author Weston Price @author Jesper Pedersen

      // This must be done outside the tx local lock, otherwise
      // the tx timeout won't work and get connection can do a lot of other work
      // with many opportunities for deadlocks.
      // Instead we do a double check after we got the transaction to see
      // whether another thread beat us to the punch.
      ConnectionListener cl = mcp.getConnection(subject, cri);
      if (trace)
         log.tracef("Got connection from pool tracked by transaction=%s tx=%s", cl, trackByTransaction);


      TransactionSynchronizationRegistry tsr = getTransactionSynchronizationRegistry();
      Lock lock = getLock();


      if (lock == null)
      {
         if (cl != null)
         {
            if (trace)
               log.tracef("Killing connection tracked by transaction=%s tx=%s", cl, trackByTransaction);


            mcp.returnConnection(cl, true);
         }


         throw new ResourceException(bundle.unableObtainLock());
      }


      try
      {
         lock.lockInterruptibly();
      }
      catch (InterruptedException ie)
      {
         Thread.interrupted();


         if (cl != null)
         {
            if (trace)
               log.tracef("Killing connection tracked by transaction=%s tx=%s", cl, trackByTransaction);


            mcp.returnConnection(cl, true);
         }


         throw new ResourceException(bundle.unableObtainLock(), ie);
      }
      try
      {
         // Check we weren't racing with another transaction
         ConnectionListener other =
            (ConnectionListener)tsr.getResource(mcp);


         if (other != null)
         {
            mcp.returnConnection(cl, false);

View Full Code Here

    * @return True if possible; otherwise false
    */
   protected boolean internalTestConnection(ConnectionRequestInfo cri, Subject subject)
   {
      boolean result = false;
      ConnectionListener cl = null;
      try
      {
         boolean separateNoTx = false;


         if (noTxSeparatePools)

View Full Code Here

      {
         if (shutdown.get())
            return;


         // Create a connection to fill the pool
         ConnectionListener cl = null;
         boolean destroy = false;
         try
         {
            cl = createConnectionEventListener(defaultSubject, defaultCri);
            statistics.setInUsedCount(checkedOut.size() + 1);

View Full Code Here


      try
      {
         while (true)
         {
            ConnectionListener cl = null;
            boolean destroyed = false;


            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;

View Full Code Here

    */
   private ConnectionListener removeForFrequencyCheck()
   {
      log.debug("Checking for connection within frequency");


      ConnectionListener result = null;
      Iterator<ConnectionListener> iter = cls.iterator();


      while (result == null && iter.hasNext())
      {
         ConnectionListener cl = iter.next();
         long lastCheck = cl.getLastValidatedTime();


         if ((System.currentTimeMillis() - lastCheck) >= poolConfiguration.getBackgroundValidationMillis())
         {
            result = cl;
            cls.remove(cl);

View Full Code Here

         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))));
                  }


                  int clsSize = cls.size();
                  if (clsSize > 0)
                  {
                     cl = cls.remove(clsSize - 1);
                     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)

View Full Code Here

               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);

View Full Code Here

            // 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);

View Full Code Here

                     return;


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


                     synchronized (cls)
                     {
                        if (trace)
                           log.trace("Filling pool cl=" + cl);

View Full Code Here


         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;

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

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

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.