Examples of com.arjuna.ats.internal.jts.ControlWrapper

com.arjuna.ats.internal.jts.ControlWrapper
This class attempts to mask the local/remote control issue. We try to use local controls directly as much as possible and not register them with the ORB until the last minute. This improves performance *significantly*. At present we only do this for top-level transactions, but extending for nested transactions is straightforward. It also acts as a convenience class for ease of use. Therefore, some Coordinator and Terminator methods may be found directly on this class. Because of the way in which the implementation works, however, some of their signatures may be slightly different. @author Mark Little (mark_little@hp.com) @version $Id: ControlWrapper.java 2342 2006-03-30 13:06:17Z $ @since JTS 2.0.


  static final TransactionImple getTransaction ()
  {
    TransactionImple tx = null;


    ControlWrapper otx = OTSImpleManager.current().getControlWrapper();


    if (otx != null)
    {
            synchronized (TransactionImple._transactions)
            {
        try
        {
          tx = (TransactionImple) TransactionImple._transactions.get(otx.get_uid());


          if (tx == null)
          {
            /*
             * If it isn't active then don't add it to the

View Full Code Here

       * If we have a synchronization list then we must be top-level.
       */
      if (_synchs != null)
      {
          boolean doSuspend = false;
          ControlWrapper cw = null;


          try
          {
              /*
               * Make sure that this transaction is active on the thread
               * before we invoke any Synchronizations. They are
               * TransactionalObjects and must have the context flowed to
               * them.
               */


              try
              {
                  //        cw = OTSImpleManager.systemCurrent().getControlWrapper();


                  cw = OTSImpleManager.current().getControlWrapper();


                  /*
                   * If there's no transaction incoming, then use the one that
                   * we got at creation time.
                   */


                  if ((cw == null) || (!controlHandle.equals(cw.getImple())))
                  {
                      //      OTSImpleManager.systemCurrent().resumeImple(controlHandle);


                      OTSImpleManager.current().resumeImple(controlHandle);

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      boolean problem = false;
      SystemException exp = null;


      if (_synchs != null)
      {
          ControlWrapper cw = null;
          boolean doSuspend = false;


          try
          {
              //    cw = OTSImpleManager.systemCurrent().getControlWrapper();


              cw = OTSImpleManager.current().getControlWrapper();


              /*
               * If there isn't a transaction context shipped, then use the
               * one we had during creation.
               */


              if ((cw == null) || (!controlHandle.equals(cw.getImple())))
              {
                  //        OTSImpleManager.systemCurrent().resumeImple(controlHandle);


                  OTSImpleManager.current().resumeImple(controlHandle);

View Full Code Here

    //
    // This hack method does that job to workaround that bug
    private void hackJTS(final SubordinateTransaction subordinateTransaction) {
        if (subordinateTransaction instanceof TransactionImple) {
            final TransactionImple txImple = (TransactionImple) subordinateTransaction;
            final ControlWrapper controlWrapper = txImple.getControlWrapper();
            if (controlWrapper == null) {
                return;
            }
            final ControlImple controlImple = controlWrapper.getImple();
            if (controlImple == null) {
                return;
            }
            final ArjunaTransactionImple arjunaTransactionImple = controlImple.getImplHandle();
            if (arjunaTransactionImple == null) {

View Full Code Here


  static final TransactionImple getTransaction ()
  {
    TransactionImple tx = null;


    ControlWrapper otx = OTSImpleManager.current().getControlWrapper();


    if (otx != null)
    {
            synchronized (TransactionImple._transactions)
            {
        try
        {
          tx = (TransactionImple) TransactionImple._transactions.get(otx.get_uid());


          if (tx == null)
          {
            /*
             * If it isn't active then don't add it to the

View Full Code Here

       * If we have a synchronization list then we must be top-level.
       */
      if (_synchs != null)
      {
          boolean doSuspend = false;
          ControlWrapper cw = null;


          try
          {
              /*
               * Make sure that this transaction is active on the thread
               * before we invoke any Synchronizations. They are
               * TransactionalObjects and must have the context flowed to
               * them.
               */


              try
              {
                  //        cw = OTSImpleManager.systemCurrent().getControlWrapper();


                  cw = OTSImpleManager.current().getControlWrapper();


                  /*
                   * If there's no transaction incoming, then use the one that
                   * we got at creation time.
                   */


                  if ((cw == null) || (!controlHandle.equals(cw.getImple())))
                  {
                      //      OTSImpleManager.systemCurrent().resumeImple(controlHandle);


                      OTSImpleManager.current().resumeImple(controlHandle);

View Full Code Here

      boolean problem = false;
      SystemException exp = null;


      if (_synchs != null)
      {
          ControlWrapper cw = null;
          boolean doSuspend = false;


          try
          {
              //    cw = OTSImpleManager.systemCurrent().getControlWrapper();


              cw = OTSImpleManager.current().getControlWrapper();


              /*
               * If there isn't a transaction context shipped, then use the
               * one we had during creation.
               */


              if ((cw == null) || (!controlHandle.equals(cw.getImple())))
              {
                  //        OTSImpleManager.systemCurrent().resumeImple(controlHandle);


                  OTSImpleManager.current().resumeImple(controlHandle);

View Full Code Here

   * @return a JTA transaction that wraps the OTS transaction
   */
  private static Transaction controlToTx(String ior) {
    log.debug("controlToTx: ior: " + ior);


    ControlWrapper cw = createControlWrapper(ior);
    TransactionImple tx = (TransactionImple) TransactionImple
        .getTransactions().get(cw.get_uid());


    if (tx == null) {
      log.debug("controlToTx: creating a new tx - wrapper: " + cw);
      tx = new JtsTransactionImple(cw);
      putTransaction(tx);

View Full Code Here

    } else if (hasTransaction()) {
      log.debug("have tx mgr");
      Transaction tx = tm.getTransaction();
      log.debug("have arjuna tx");
      TransactionImple atx = (TransactionImple) tx;
      ControlWrapper cw = atx.getControlWrapper();
      log.debug("lookup control");
      Control c = cw.get_control();
      String ior = ORBManager.getORB().orb().object_to_string(c);
      log.debug("getTransactionIOR: ior: " + ior);
      return ior;
    } else {
      return null;

View Full Code Here


    Control control = org.omg.CosTransactions.ControlHelper.narrow(obj);
    if (control == null)
      log.warn("createProxy: ior not a control");


    return new ControlWrapper(control);
  }

View Full Code Here

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