Examples with UidCoordinator com.arjuna.ArjunaOTS.UidCoordinator used on opensource projects

Example 1 with UidCoordinator

use of com.arjuna.ArjunaOTS.UidCoordinator in project narayana by jbosstm.

the class ArjunaTransactionImple method is_related_transaction.

public boolean is_related_transaction(Coordinator tc) throws SystemException {
    if (tc == null)
        return false;
    boolean result = false;
    try {
        UidCoordinator ptr = com.arjuna.ArjunaOTS.UidCoordinatorHelper.narrow(tc);
        if (ptr != null) {
            /*
				 * Must be an Arjuna coordinator.
				 */
            /*
				 * If they have the same parent, then they must be related.
				 */
            String myTLUid = topLevelUid();
            String compareTLUid = ptr.topLevelUid();
            if (jtsLogger.logger.isTraceEnabled()) {
                jtsLogger.logger.trace("ArjunaTransactionImple::is_related_transaction comparing uids < " + compareTLUid + ", " + myTLUid + " >");
            }
            if (myTLUid.compareTo(compareTLUid) == 0)
                result = true;
            myTLUid = null;
            compareTLUid = null;
            ptr = null;
        } else
            throw new BAD_PARAM();
    } catch (SystemException e) {
    /*
			 * Narrow failed, so can't be an Arjuna Uid. Therefore, the answer
			 * must be false.
			 */
    }
    return result;
}

Example 2 with UidCoordinator

use of com.arjuna.ArjunaOTS.UidCoordinator in project narayana by jbosstm.

the class Helper method localControl.

public static final ControlImple localControl(org.omg.CosTransactions.Control control) {
    if (control == null)
        return null;
    if (control instanceof ControlImple)
        return (ControlImple) control;
    try {
        UidCoordinator uidCoord = Helper.getUidCoordinator(control);
        if (uidCoord != null) {
            Uid u = Helper.getUid(uidCoord);
            ControlImple toReturn = null;
            uidCoord = null;
            if (ControlImple.allControls != null) {
                synchronized (ControlImple.allControls) {
                    toReturn = (ControlImple) ControlImple.allControls.get(u);
                }
            }
            if (toReturn == null) {
                if (ServerControl.allServerControls != null) {
                    synchronized (ServerControl.allServerControls) {
                        toReturn = (ControlImple) ServerControl.allServerControls.get(u);
                    }
                }
            }
            u = null;
            return toReturn;
        } else
            throw new BAD_PARAM(0, CompletionStatus.COMPLETED_NO);
    } catch (Exception e) {
    /*
	     * Can't be an Arjuna action, so ignore.
	     */
    }
    return null;
}

Example 3 with UidCoordinator

use of com.arjuna.ArjunaOTS.UidCoordinator in project narayana by jbosstm.

the class Helper method getUidCoordinator.

public static final UidCoordinator getUidCoordinator(org.omg.CosTransactions.Control control) {
    if (control == null)
        return null;
    UidCoordinator toReturn = null;
    try {
        Coordinator coord = control.get_coordinator();
        if (coord != null) {
            toReturn = getUidCoordinator(coord);
            coord = null;
        } else
            throw new BAD_PARAM(0, CompletionStatus.COMPLETED_NO);
    } catch (Exception e) {
        /*
	     * Can't be an Arjuna action, so ignore.
	     */
        toReturn = null;
    }
    return toReturn;
}

Example 4 with UidCoordinator

use of com.arjuna.ArjunaOTS.UidCoordinator in project narayana by jbosstm.

the class ArjunaTransactionImple method propagationContext.

/*
	 * The caller should delete the context.
	 *
	 * The propagation context is specified on a per client thread basis.
	 * Therefore, at the server side we must maintain a hierarchy for each
	 * thread. However, the server cannot simply tear down this hierarchy
	 * whenever it receives a completely new one from the same thread, since the
	 * OTS lets a thread suspend/resume contexts at will. Potential for memory
	 * leaks in C++ version, but not Java!!
	 *
	 * Currently we assume that the hierarchy will be JBoss transactions so we
	 * can get the parents of transactions. If it is not then we could simply
	 * just call get_txcontext on the control!
	 */
private final PropagationContext propagationContext() throws Unavailable, Inactive, SystemException {
    if (jtsLogger.logger.isTraceEnabled()) {
        jtsLogger.logger.trace("ArjunaTransactionImple::propagationContext for " + get_uid());
    }
    String theUid = null;
    Control currentControl = controlHandle.getControl();
    PropagationContext context = new PropagationContext();
    // most transactions will be top-level
    int sequenceThreshold = 1;
    int sequenceIncrement = 5;
    context.parents = null;
    context.current = new TransIdentity();
    // uughh!!
    context.implementation_specific_data = ORBManager.getORB().orb().create_any();
    /*
		 * Some ORBs (e.g., JBroker) don't like to pass round an unused Any,
		 * i.e., one which has only been created and had nothing put in it! So
		 * we have to put something in it!!
		 */
    context.implementation_specific_data.insert_short((short) 0);
    try {
        context.current.coord = controlHandle.get_coordinator();
        // will reset later!
        context.timeout = 0;
        if (ArjunaTransactionImple._propagateTerminator) {
            context.current.term = controlHandle.get_terminator();
        } else
            context.current.term = null;
    } catch (Exception e) {
        return null;
    }
    /*
		 * We send the Uid hierarchy as the otid_t part of the TransIdentity.
		 */
    // the sequence should do the memory management for us.
    theUid = controlHandle.get_uid().stringForm();
    context.current.otid = Utility.uidToOtid(theUid);
    context.current.otid.formatID = ArjunaTransactionImple._ipType;
    int index = 0;
    while (currentControl != null) {
        try {
            ActionControl control = com.arjuna.ArjunaOTS.ActionControlHelper.narrow(currentControl);
            if (control != null) {
                /*
					 * Must be an Arjuna control.
					 */
                currentControl = control.getParentControl();
                if (currentControl != null) {
                    if (// first time
                    index == 0) {
                        // initial
                        context.parents = new TransIdentity[sequenceThreshold];
                        for (int ii = 0; ii < sequenceThreshold; ii++) context.parents[ii] = null;
                    }
                    context.parents[index] = new TransIdentity();
                    context.parents[index].coord = currentControl.get_coordinator();
                    if (ArjunaTransactionImple._propagateTerminator)
                        context.parents[index].term = currentControl.get_terminator();
                    else
                        context.parents[index].term = null;
                    /*
						 * Don't bother checking whether narrow works because we
						 * can't cope with mixed transaction types anyway! If we
						 * got here then the root transaction must be an Arjuna
						 * transaction, so the nested transactions *must* also
						 * be JBoss transactions!
						 */
                    UidCoordinator uidCoord = Helper.getUidCoordinator(context.parents[index].coord);
                    theUid = uidCoord.uid();
                    context.parents[index].otid = Utility.uidToOtid(theUid);
                    context.parents[index].otid.formatID = ArjunaTransactionImple._ipType;
                    theUid = null;
                    uidCoord = null;
                    index++;
                    if (index >= sequenceThreshold) {
                        sequenceThreshold = index + sequenceIncrement;
                        context.parents = resizeHierarchy(context.parents, index + sequenceIncrement);
                    }
                } else {
                    if (_propagateRemainingTimeout) {
                        long timeInMills = TransactionReaper.transactionReaper().getRemainingTimeoutMills(control);
                        context.timeout = (int) (timeInMills / 1000L);
                    } else {
                        context.timeout = TransactionReaper.transactionReaper().getTimeout(control);
                    }
                }
                control = null;
            } else
                throw new BAD_PARAM(0, CompletionStatus.COMPLETED_NO);
        } catch (SystemException e) {
            /*
				 * Not an Arjuna control!! Should not happen!!
				 */
            currentControl = null;
        } catch (Exception e) {
            e.printStackTrace();
            currentControl = null;
        }
    }
    try {
        context.parents = resizeHierarchy(context.parents, index);
    } catch (Exception e) {
        jtsLogger.i18NLogger.warn_orbspecific_coordinator_generror("ArjunaTransactionImple.resizeHierarchy", e);
        context = null;
    }
    return context;
}

Example 5 with UidCoordinator

use of com.arjuna.ArjunaOTS.UidCoordinator in project narayana by jbosstm.

the class ArjunaTransactionImple method is_descendant_transaction.

/**
 * Is this transaction a descendant of tc?
 */
public boolean is_descendant_transaction(Coordinator tc) throws SystemException {
    if (tc == null)
        return false;
    try {
        UidCoordinator ptr = com.arjuna.ArjunaOTS.UidCoordinatorHelper.narrow(tc);
        if (ptr != null) {
            /*
				 * Must be an Arjuna coordinator.
				 */
            Uid lookingFor = new Uid(ptr.uid());
            BasicAction lookingAt = this;
            if (jtsLogger.logger.isTraceEnabled()) {
                jtsLogger.logger.trace("ArjunaTransactionImple::is_descendant_transaction - looking for " + lookingFor);
            }
            while (lookingAt != null) {
                if (jtsLogger.logger.isTraceEnabled()) {
                    jtsLogger.logger.trace("ArjunaTransactionImple::is_descendant_transaction - looking for " + lookingAt.get_uid());
                }
                if (lookingAt.get_uid().equals(lookingFor))
                    return true;
                else
                    lookingAt = lookingAt.parent();
            }
            ptr = null;
        } else
            throw new BAD_PARAM();
    } catch (SystemException e) {
    /*
			 * Narrow failed, so can't be an Arjuna Uid. Therefore, the answer
			 * must be false.
			 */
    }
    return false;
}