Examples with SubordinateATCoordinator com.arjuna.mwlabs.wscf.model.twophase.arjunacore.subordinate.SubordinateATCoordinator used on opensource projects

Example 1 with SubordinateATCoordinator

use of com.arjuna.mwlabs.wscf.model.twophase.arjunacore.subordinate.SubordinateATCoordinator in project narayana by jbosstm.

the class BridgeWrapper method scan.

/**
 * return a list of bridge wrappers for all recovered subordinate transactions with a given
 * subordinate type
 * @param subordinateType the subordinate type supplied in the original bridge wrapper create call
 * which created the subordinate transaction.
 * @return a possibly zero-length array of bridge wrappers for all recovered subordinate AT transactions
 * with the given subordinate type or null if a subordinate coordinator recovery scan has not yet occurred
 */
public static BridgeWrapper[] scan(String subordinateType) {
    // return null if not yet ready
    XTSATRecoveryManager recoveryManager = XTSATRecoveryManager.getRecoveryManager();
    if (!recoveryManager.isCoordinatorRecoveryStarted()) {
        return null;
    }
    if (subordinateType == null || subordinateType.equals(SUBORDINATE_TX_TYPE_AT_AT)) {
        return EMPTY_SCAN;
    }
    SubordinateATCoordinator[] coordinators = SubordinateATCoordinator.listRecoveredCoordinators();
    int count = 0;
    for (int i = 0; i < coordinators.length; i++) {
        if (coordinators[i].getSubordinateType().equals(subordinateType)) {
            count++;
        }
    }
    if (count == 0) {
        return EMPTY_SCAN;
    }
    BridgeWrapper[] result = new BridgeWrapper[count];
    count = 0;
    for (int i = 0; i < coordinators.length; i++) {
        SubordinateATCoordinator coordinator = coordinators[i];
        if (coordinator.getSubordinateType().equals(subordinateType)) {
            BridgeWrapper bridgeWrapper = new BridgeWrapper();
            bridgeWrapper.context = null;
            bridgeWrapper.coordinator = coordinator;
            bridgeWrapper.id = coordinator.get_uid().stringForm();
            bridgeWrapper.subordinateType = coordinator.getSubordinateType();
            result[count++] = bridgeWrapper;
        }
    }
    return result;
}

Example 2 with SubordinateATCoordinator

use of com.arjuna.mwlabs.wscf.model.twophase.arjunacore.subordinate.SubordinateATCoordinator in project narayana by jbosstm.

the class ContextFactoryImple method create.

/**
 * Creates a coordination context.
 *
 * @param coordinationTypeURI
 *            the coordination type uri
 * @param expires
 *            the expire date/time for the returned context, can be null
 * @param currentContext
 *            the current context, can be null
 *
 * @return the created coordination context
 *
 * @throws com.arjuna.wsc.InvalidCreateParametersException
 *             if a parameter passed is invalid this activity identifier.
 */
public CoordinationContext create(final String coordinationTypeURI, final Long expires, final CoordinationContextType currentContext, final boolean isSecure) throws InvalidCreateParametersException {
    if (coordinationTypeURI.equals(AtomicTransactionConstants.WSAT_PROTOCOL)) {
        try {
            if (currentContext == null) {
                // make sure no transaction is currently associated
                _coordManager.suspend();
                final int timeout;
                if (expires == null) {
                    timeout = 0;
                } else {
                    final long timeoutVal = expires.longValue();
                    timeout = (timeoutVal > Integer.MAX_VALUE ? Integer.MAX_VALUE : (int) timeoutVal);
                }
                _coordManager.begin(ArjunaContextImple.serviceType, timeout);
                final ArjunaContextImple arjunaContext = ArjunaContextImple.getContext();
                final ServiceRegistry serviceRegistry = PrivilegedServiceRegistryFactory.getInstance().getServiceRegistry();
                final String registrationCoordinatorURI = serviceRegistry.getServiceURI(CoordinationConstants.REGISTRATION_SERVICE_NAME, isSecure);
                final CoordinationContext coordinationContext = new CoordinationContext();
                coordinationContext.setCoordinationType(coordinationTypeURI);
                CoordinationContextType.Identifier identifier = new CoordinationContextType.Identifier();
                identifier.setValue("urn:" + arjunaContext.getTransactionIdentifier());
                coordinationContext.setIdentifier(identifier);
                final int transactionExpires = arjunaContext.getTransactionExpires();
                if (transactionExpires > 0) {
                    Expires expiresInstance = new Expires();
                    expiresInstance.setValue(transactionExpires);
                    coordinationContext.setExpires(expiresInstance);
                }
                W3CEndpointReference registrationCoordinator = getRegistrationCoordinator(registrationCoordinatorURI, arjunaContext);
                coordinationContext.setRegistrationService(registrationCoordinator);
                /*
				 * Now add the registrar for this specific coordinator to the
				 * mapper.
				 */
                _coordManager.enlistSynchronization(new CleanupSynchronization(_coordManager.identifier().toString(), _theRegistrar));
                /*
				 * TODO Uughh! This does a suspend for us! Left over from original
				 * WS-AS stuff.
				 *
				 * TODO
				 * REFACTOR, REFACTOR, REFACTOR.
				 */
                _theRegistrar.associate();
                return coordinationContext;
            } else {
                // we need to create a subordinate transaction and register it as both a durable and volatile
                // participant with the registration service defined in the current context
                SubordinateATCoordinator subTx = (SubordinateATCoordinator) createSubordinate();
                // hmm, need to create wrappers here as the subTx is in WSCF which only knows
                // about WSAS and WS-C and the participant is in WS-T
                String vtppid = subTx.getVolatile2PhaseId();
                String dtppid = subTx.getDurable2PhaseId();
                Volatile2PCParticipant vtpp = new SubordinateVolatile2PCStub(subTx);
                Durable2PCParticipant dtpp = new SubordinateDurable2PCStub(subTx);
                final String messageId = MessageId.getMessageId();
                W3CEndpointReference participant;
                W3CEndpointReference coordinator;
                participant = getParticipant(vtppid, isSecure);
                coordinator = RegistrationCoordinator.register(currentContext, messageId, participant, AtomicTransactionConstants.WSAT_SUB_PROTOCOL_VOLATILE_2PC);
                ParticipantProcessor.getProcessor().activateParticipant(new ParticipantEngine(vtpp, vtppid, coordinator), vtppid);
                participant = getParticipant(dtppid, isSecure);
                coordinator = RegistrationCoordinator.register(currentContext, messageId, participant, AtomicTransactionConstants.WSAT_SUB_PROTOCOL_DURABLE_2PC);
                ParticipantProcessor.getProcessor().activateParticipant(new ParticipantEngine(dtpp, dtppid, coordinator), dtppid);
                // ok now create the context
                final ServiceRegistry serviceRegistry = PrivilegedServiceRegistryFactory.getInstance().getServiceRegistry();
                final String registrationCoordinatorURI = serviceRegistry.getServiceURI(CoordinationConstants.REGISTRATION_SERVICE_NAME, isSecure);
                final CoordinationContext coordinationContext = new CoordinationContext();
                coordinationContext.setCoordinationType(coordinationTypeURI);
                CoordinationContextType.Identifier identifier = new CoordinationContextType.Identifier();
                String txId = subTx.get_uid().stringForm();
                identifier.setValue("urn:" + txId);
                coordinationContext.setIdentifier(identifier);
                Expires expiresInstance = currentContext.getExpires();
                final long transactionExpires = (expiresInstance != null ? expiresInstance.getValue() : 0);
                if (transactionExpires > 0) {
                    expiresInstance = new Expires();
                    expiresInstance.setValue(transactionExpires);
                    coordinationContext.setExpires(expiresInstance);
                }
                W3CEndpointReference registrationCoordinator = getRegistrationCoordinator(registrationCoordinatorURI, txId);
                coordinationContext.setRegistrationService(registrationCoordinator);
                // now associate the tx id with the sub transaction
                _theRegistrar.associate(subTx);
                return coordinationContext;
            }
        } catch (NoActivityException ex) {
            ex.printStackTrace();
            throw new InvalidCreateParametersException();
        } catch (SystemException ex) {
            ex.printStackTrace();
        } catch (com.arjuna.mw.wsas.exceptions.WrongStateException ex) {
            ex.printStackTrace();
            throw new InvalidCreateParametersException();
        } catch (Exception ex) {
            // TODO handle properly
            ex.printStackTrace();
        }
    } else {
        wstxLogger.i18NLogger.warn_mwlabs_wst_at_Context11FactoryImple_1(AtomicTransactionConstants.WSAT_PROTOCOL, coordinationTypeURI);
        throw new InvalidCreateParametersException(wstxLogger.i18NLogger.get_mwlabs_wst_at_Context11FactoryImple_3() + " < " + AtomicTransactionConstants.WSAT_PROTOCOL + ", " + coordinationTypeURI + " >");
    }
    return null;
}

Example 3 with SubordinateATCoordinator

use of com.arjuna.mwlabs.wscf.model.twophase.arjunacore.subordinate.SubordinateATCoordinator in project narayana by jbosstm.

the class ContextFactoryImple method createBridgedTransaction.

/**
 * create a bridged to subordinate WS-AT 1.1 transaction, associate it with the registrar and create and return
 * a coordination context for it. n.b. this is a private, behind-the-scenes method for use by the JTA-AT
 * transaction bridge code.
 * @param subordinateType a unique string which groups subordinates for the benefit of their parent tx/app and
 * allows them to be identified and retrieved as a group during recovery
 * @param expires the timeout for the bridged to AT transaction
 * @param isSecure true if the registration cooridnator URL should use a secure address, otherwise false.
 * @return a coordination context for the bridged to transaction
 */
public BridgeTxData createBridgedTransaction(String subordinateType, final Long expires, final boolean isSecure) {
    // we must have a type and it must not be the AT-AT subordinate type
    if (subordinateType == null || SubordinateATCoordinator.SUBORDINATE_TX_TYPE_AT_AT.equals(subordinateType)) {
        return null;
    }
    // we need to create a subordinate transaction and register it as both a durable and volatile
    // participant with the registration service defined in the current context
    SubordinateATCoordinator subTx = null;
    try {
        subTx = (SubordinateATCoordinator) createSubordinate(subordinateType);
    } catch (NoActivityException e) {
        // will not happen
        return null;
    } catch (InvalidProtocolException e) {
        // will not happen
        return null;
    } catch (SystemException e) {
        // may happen
        return null;
    }
    // ok now create the context
    final ServiceRegistry serviceRegistry = PrivilegedServiceRegistryFactory.getInstance().getServiceRegistry();
    final String registrationCoordinatorURI = serviceRegistry.getServiceURI(CoordinationConstants.REGISTRATION_SERVICE_NAME, isSecure);
    final CoordinationContext coordinationContext = new CoordinationContext();
    coordinationContext.setCoordinationType(AtomicTransactionConstants.WSAT_PROTOCOL);
    CoordinationContextType.Identifier identifier = new CoordinationContextType.Identifier();
    String txId = subTx.get_uid().stringForm();
    identifier.setValue("urn:" + txId);
    coordinationContext.setIdentifier(identifier);
    if (expires != null && expires.longValue() > 0) {
        Expires expiresInstance = new Expires();
        expiresInstance.setValue(expires);
        coordinationContext.setExpires(expiresInstance);
    }
    W3CEndpointReference registrationCoordinator = getRegistrationCoordinator(registrationCoordinatorURI, txId);
    coordinationContext.setRegistrationService(registrationCoordinator);
    try {
        _theRegistrar.associate(subTx);
    } catch (Exception e) {
    // will not happen
    }
    BridgeTxData bridgeTxData = new BridgeTxData();
    bridgeTxData.context = coordinationContext;
    bridgeTxData.coordinator = subTx;
    bridgeTxData.identifier = txId;
    return bridgeTxData;
}

Example 4 with SubordinateATCoordinator

use of com.arjuna.mwlabs.wscf.model.twophase.arjunacore.subordinate.SubordinateATCoordinator in project narayana by jbosstm.

the class CoordinatorControl method createSubordinate.

/**
 * Create a subordinate transaction, i.e., one which can be driven
 * through prepare, commit and rollback. Such a transaction is not
 * interposed with any parent transaction because the parent may
 * be physically remote from the child. Such interposition is the
 * responsibility of the invoker.
 *
 * @return the subordinate transaction. The transaction is not
 * associated with the thread and is not interposed. It is running.
 *
 * @throws SystemException throw if any error occurs.
 */
public final ATCoordinator createSubordinate(String subordinateType) throws SystemException {
    try {
        SubordinateATCoordinator coord = new SubordinateATCoordinator(subordinateType);
        int status = coord.start(null);
        if (status != ActionStatus.RUNNING) {
            throw new BegunFailedException(wscfLogger.i18NLogger.get_model_twophase_arjunacore_CoordinatorControl_1() + ActionStatus.stringForm(status));
        } else {
            return coord;
        }
    } catch (SystemException ex) {
        throw ex;
    } catch (Exception ex) {
        throw new UnexpectedException(ex.toString());
    }
}

Example 5 with SubordinateATCoordinator

use of com.arjuna.mwlabs.wscf.model.twophase.arjunacore.subordinate.SubordinateATCoordinator in project narayana by jbosstm.

the class RegistrarImple method register.

/**
 * Registers the interest of participant in a particular protocol.
 *
 * @param participantProtocolService
 *            the address of the participant protocol service
 * @param protocolIdentifier
 *            the protocol identifier
 *
 * @return the PortReference of the coordinator protocol service
 *
 * @throws com.arjuna.wsc.AlreadyRegisteredException
 *             if the participant is already registered for this
 *             coordination protocol under this activity identifier
 * @throws com.arjuna.wsc.InvalidProtocolException
 *             if the coordination protocol is not supported
 * @throws com.arjuna.wsc.InvalidStateException
 *             if the state of the coordinator no longer allows registration
 *             for this coordination protocol
 * @throws com.arjuna.wsc.NoActivityException
 *             if the activity does not exist.
 */
/*
	 * TODO
	 *
	 * See comment at head of class definition. We shouldn't have to rely on
	 * thread-to-activity association to register a participant. We currently do
	 * because the code is based on old WS-CAF models that are no longer
	 * applicable. This needs updating!
	 */
public W3CEndpointReference register(final W3CEndpointReference participantProtocolService, final String protocolIdentifier, final InstanceIdentifier instanceIdentifier, final boolean isSecure) throws AlreadyRegisteredException, InvalidProtocolException, InvalidStateException, NoActivityException {
    Object tx = _hierarchies.get(instanceIdentifier.getInstanceIdentifier());
    if (tx instanceof SubordinateATCoordinator)
        return registerWithSubordinate((SubordinateATCoordinator) tx, participantProtocolService, protocolIdentifier, isSecure);
    ActivityHierarchy hier = (ActivityHierarchy) tx;
    if (hier == null)
        throw new NoActivityException();
    try {
        _coordManager.resume(hier);
    } catch (com.arjuna.mw.wsas.exceptions.InvalidActivityException ex) {
        throw new NoActivityException();
    } catch (SystemException ex) {
        throw new InvalidProtocolException();
    }
    if (AtomicTransactionConstants.WSAT_SUB_PROTOCOL_DURABLE_2PC.equals(protocolIdentifier)) {
        // enlist participant that wraps the requester URI.
        final String participantId = "D" + new Uid().stringForm();
        try {
            final Durable2PCStub participantStub = new Durable2PCStub(participantId, participantProtocolService);
            _coordManager.enlistParticipant(new DurableTwoPhaseCommitParticipant(participantStub, participantId));
            _coordManager.suspend();
            return getCoordinator(participantId, isSecure);
        } catch (Exception ex) {
            throw new InvalidStateException();
        }
    } else if (AtomicTransactionConstants.WSAT_SUB_PROTOCOL_VOLATILE_2PC.equals(protocolIdentifier)) {
        // enlist participant that wraps the requester URI.
        final String participantId = "V" + new Uid().stringForm();
        try {
            final Volatile2PCStub participantStub = new Volatile2PCStub(participantId, participantProtocolService);
            _coordManager.enlistSynchronization(new VolatileTwoPhaseCommitParticipant(participantStub));
            _coordManager.suspend();
            return getCoordinator(participantId, isSecure);
        } catch (Exception ex) {
            throw new InvalidStateException();
        }
    } else if (AtomicTransactionConstants.WSAT_SUB_PROTOCOL_COMPLETION.equals(protocolIdentifier)) {
        try {
            final CompletionCoordinatorParticipant participant = new CompletionCoordinatorImple(_coordManager, hier, true, participantProtocolService);
            CompletionCoordinatorProcessor.getProcessor().activateParticipant(participant, instanceIdentifier.getInstanceIdentifier());
            _coordManager.suspend();
            return getCompletionCoordinator(instanceIdentifier, isSecure);
        } catch (Exception ex) {
            ex.printStackTrace();
            throw new InvalidStateException(ex.toString());
        }
    } else if (AtomicTransactionConstants.WSAT_SUB_PROTOCOL_COMPLETION_RPC.equals(protocolIdentifier)) {
        try {
            final CompletionCoordinatorParticipant participant = new CompletionCoordinatorRPCImple(_coordManager, hier, true, participantProtocolService);
            CompletionCoordinatorRPCProcessor.getProcessor().activateParticipant(participant, instanceIdentifier.getInstanceIdentifier());
            _coordManager.suspend();
            return getCompletionCoordinatorRPC(instanceIdentifier, isSecure);
        } catch (Exception ex) {
            ex.printStackTrace();
            throw new InvalidStateException(ex.toString());
        }
    } else {
        wstxLogger.i18NLogger.warn_mwlabs_wst_at_Registrar11Imple_1(AtomicTransactionConstants.WSAT_PROTOCOL, protocolIdentifier);
        throw new InvalidProtocolException();
    }
}