Examples with PseudoControlWrapper com.arjuna.ats.internal.jts.PseudoControlWrapper used on opensource projects

Example 1 with PseudoControlWrapper

use of com.arjuna.ats.internal.jts.PseudoControlWrapper in project narayana by jbosstm.

the class OTSManager method destroyControl.

/**
 * Destroy the transaction control.
 */
public static void destroyControl(Control control) throws ActiveTransaction, ActiveThreads, BadControl, Destroyed, SystemException {
    if (control == null)
        throw new BadControl();
    ControlImple lCont = Helper.localControl(control);
    if (lCont != null) {
        destroyControl(lCont);
    } else {
        /*
	     * Just in case control is a top-level transaction, and has
	     * been registered with the reaper, we need to get it removed.
	     *
	     */
        Coordinator coord = null;
        try {
            coord = control.get_coordinator();
        } catch (Exception e) {
            // nothing else we can do!
            coord = null;
        }
        if (coord != null) {
            try {
                if (coord.is_top_level_transaction()) {
                    // wrap the control so it gets compared against reaper list entries using the correct test
                    PseudoControlWrapper wrapper = new PseudoControlWrapper(control);
                    TransactionReaper.transactionReaper().remove(wrapper);
                }
            } catch (Exception e) {
            }
            coord = null;
        }
        if (jtsLogger.logger.isTraceEnabled()) {
            jtsLogger.logger.trace("OTS::destroyControl - remote control.");
        }
        /*
	     * Remote transaction, so memory management is different!
	     */
        ActionControl action = null;
        try {
            action = com.arjuna.ArjunaOTS.ActionControlHelper.narrow(control);
            if (action == null)
                throw new BAD_PARAM();
        } catch (Exception e) {
            action = null;
        }
        if (action != null) {
            if (jtsLogger.logger.isTraceEnabled()) {
                jtsLogger.logger.trace("OTS::destroyControl - Arjuna control.");
            }
            /*
		 * Is an Arjuna control, so we can call destroy on it?
		 */
            action.destroy();
            action = null;
            control = null;
        } else {
            /*
		 * Just call release on the control.
		 *
		 * We could throw a BadControl exception, but
		 * what would that do for the programmer?
		 */
            control = null;
        }
    }
}

Example 2 with PseudoControlWrapper

use of com.arjuna.ats.internal.jts.PseudoControlWrapper in project narayana by jbosstm.

the class OTSManager method destroyControl.

/**
 * Used to destroy a transaction control. Normally garbage collection
 * will take care of this, but in certain circumstances (e.g., a context
 * is propagated implicitly but we do not use interposition and we
 * have to manufacture a local control object) it is not possible for the
 * OTS to know when controls can be removed. This is a problem with the
 * specification and CORBA in general.
 */
public static void destroyControl(ControlImple control) throws ActiveTransaction, ActiveThreads, BadControl, Destroyed, SystemException {
    if (jtsLogger.logger.isTraceEnabled()) {
        jtsLogger.logger.trace("OTS::destroyControl ( " + control + " )");
    }
    if (control == null)
        throw new BadControl();
    /*
	 * Just in case control is a top-level transaction, and has
	 * been registered with the reaper, we need to get it removed.
	 *
	 */
    Coordinator coord = null;
    try {
        coord = control.get_coordinator();
    } catch (Exception e) {
        // nothing else we can do!
        coord = null;
    }
    if (coord != null) {
        try {
            if (coord.is_top_level_transaction()) {
                if (jtsLogger.logger.isTraceEnabled()) {
                    jtsLogger.logger.trace("OTS::destroyControl - removing control from reaper.");
                }
                // wrap the control so it gets compared against reaper list entries using the correct test
                PseudoControlWrapper wrapper = new PseudoControlWrapper(control);
                TransactionReaper.transactionReaper().remove(wrapper);
            }
        } catch (Exception e) {
        }
        coord = null;
    }
    if (jtsLogger.logger.isTraceEnabled()) {
        jtsLogger.logger.trace("OTS::destroyControl - local transaction: " + control.get_uid());
    }
    control.destroy();
    control = null;
}