Examples with Coordinator org.apache.qpid.server.protocol.v1_0.type.transaction.Coordinator used on opensource projects

Example 1 with Coordinator

use of org.apache.qpid.server.protocol.v1_0.type.transaction.Coordinator in project qpid-broker-j by apache.

the class Interaction method txnAttachCoordinatorLink.

// ///////////////
// transaction //
// //////////////
public Interaction txnAttachCoordinatorLink(InteractionTransactionalState transactionalState) throws Exception {
    Attach attach = new Attach();
    attach.setName("testTransactionCoordinator-" + transactionalState.getHandle());
    attach.setHandle(transactionalState.getHandle());
    attach.setInitialDeliveryCount(UnsignedInteger.ZERO);
    attach.setTarget(new Coordinator());
    attach.setRole(Role.SENDER);
    Source source = new Source();
    attach.setSource(source);
    source.setOutcomes(Accepted.ACCEPTED_SYMBOL, Rejected.REJECTED_SYMBOL);
    sendPerformativeAndChainFuture(attach, _sessionChannel);
    consumeResponse(Attach.class);
    consumeResponse(Flow.class);
    return this;
}

Example 2 with Coordinator

use of org.apache.qpid.server.protocol.v1_0.type.transaction.Coordinator in project qpid-broker-j by apache.

the class TxnCoordinatorReceivingLinkEndpoint method receiveDelivery.

@Override
protected Error receiveDelivery(Delivery delivery) {
    // Only interested in the amqp-value section that holds the message to the coordinator
    try (QpidByteBuffer payload = delivery.getPayload()) {
        List<EncodingRetainingSection<?>> sections = getSectionDecoder().parseAll(payload);
        boolean amqpValueSectionFound = false;
        for (EncodingRetainingSection section : sections) {
            try {
                if (section instanceof AmqpValueSection) {
                    if (amqpValueSectionFound) {
                        throw new ConnectionScopedRuntimeException("Received more than one AmqpValue sections");
                    }
                    amqpValueSectionFound = true;
                    Object command = section.getValue();
                    Session_1_0 session = getSession();
                    AMQPConnection_1_0<?> connection = session.getConnection();
                    connection.receivedComplete();
                    if (command instanceof Declare) {
                        final IdentifiedTransaction txn = connection.createIdentifiedTransaction();
                        _createdTransactions.put(txn.getId(), txn.getServerTransaction());
                        long notificationRepeatPeriod = getSession().getContextValue(Long.class, Session.TRANSACTION_TIMEOUT_NOTIFICATION_REPEAT_PERIOD);
                        connection.registerTransactionTickers(txn.getServerTransaction(), this::doTimeoutAction, notificationRepeatPeriod);
                        Declared state = new Declared();
                        state.setTxnId(Session_1_0.integerToTransactionId(txn.getId()));
                        updateDisposition(delivery.getDeliveryTag(), state, true);
                    } else if (command instanceof Discharge) {
                        Discharge discharge = (Discharge) command;
                        Error error = discharge(discharge.getTxnId(), Boolean.TRUE.equals(discharge.getFail()));
                        final DeliveryState outcome;
                        if (error == null) {
                            outcome = new Accepted();
                        } else if (Arrays.asList(getSource().getOutcomes()).contains(Rejected.REJECTED_SYMBOL)) {
                            final Rejected rejected = new Rejected();
                            rejected.setError(error);
                            outcome = rejected;
                            error = null;
                        } else {
                            outcome = null;
                        }
                        if (error == null) {
                            updateDisposition(delivery.getDeliveryTag(), outcome, true);
                        }
                        return error;
                    } else {
                        throw new ConnectionScopedRuntimeException(String.format("Received unknown command '%s'", command.getClass().getSimpleName()));
                    }
                }
            } finally {
                section.dispose();
            }
        }
        if (!amqpValueSectionFound) {
            throw new ConnectionScopedRuntimeException("Received no AmqpValue section");
        }
    } catch (AmqpErrorException e) {
        return e.getError();
    }
    return null;
}

Example 3 with Coordinator

use of org.apache.qpid.server.protocol.v1_0.type.transaction.Coordinator in project qpid-broker-j by apache.

the class TxnCoordinatorReceivingLinkEndpoint method establishLink.

@Override
protected void establishLink(final Attach attach) throws AmqpErrorException {
    if (getSource() != null || getTarget() != null) {
        throw new IllegalStateException("LinkEndpoint and Termini should be null when establishing a Link.");
    }
    Coordinator target = new Coordinator();
    Source source = (Source) attach.getSource();
    getLink().setTermini(source, target);
    attachReceived(attach);
}

Example 4 with Coordinator

use of org.apache.qpid.server.protocol.v1_0.type.transaction.Coordinator in project qpid-broker-j by apache.

the class AnonymousTerminusTest method transferPreSettledInTransactionToUnknownDestinationWhenRejectOutcomeSupportedByTxController.

@SpecificationTest(section = "Using the Anonymous Terminus for Message Routing. 2.2.2 Routing Errors", description = "It is possible that a message sent to a routing node has an address in the to field" + " of properties which, if used in the address field of target of an attach," + " would result in an unsuccessful link establishment (for example," + " if the address cannot be resolved to a node). In this case the routing node" + " MUST communicate the error back to the sender of the message." + " [...]" + " <Not in spec yet>" + " AMQP-140" + " If a message cannot be routed to the destination implied in the \"to:\" field," + " and the source does not allow for the rejected outcome" + " [...] when messages are being sent within a transaction and have been sent pre-settled." + " In this case the behaviour defined for transactions (of essentially marking" + " the transaction as rollback only) should take precedence. " + "" + " AMQP spec 4.3 Discharging a Transaction" + " If the coordinator is unable to complete the discharge, the coordinator MUST convey" + " the error to the controller as a transaction-error. If the source for the link to" + " the coordinator supports the rejected outcome, then the message MUST be rejected" + " with this outcome carrying the transaction-error.")
@Test
public void transferPreSettledInTransactionToUnknownDestinationWhenRejectOutcomeSupportedByTxController() throws Exception {
    try (FrameTransport transport = new FrameTransport(_brokerAddress).connect()) {
        final UnsignedInteger linkHandle = UnsignedInteger.ONE;
        final Interaction interaction = openInteractionWithAnonymousRelayCapability(transport);
        final InteractionTransactionalState txnState = interaction.createTransactionalState(UnsignedInteger.ZERO);
        interaction.begin().consumeResponse(Begin.class).txnAttachCoordinatorLink(txnState).txnDeclare(txnState).attachRole(Role.SENDER).attachHandle(linkHandle).attachSourceOutcomes(Accepted.ACCEPTED_SYMBOL, Rejected.REJECTED_SYMBOL).attach().consumeResponse(Attach.class).consumeResponse(Flow.class).transferHandle(linkHandle).transferPayload(generateMessagePayloadToDestination("Unknown")).transferDeliveryTag(_deliveryTag).transferTransactionalState(txnState.getCurrentTransactionId()).transferSettled(Boolean.TRUE).transferDeliveryId(UnsignedInteger.valueOf(1)).transfer();
        final Discharge discharge = new Discharge();
        discharge.setTxnId(txnState.getCurrentTransactionId());
        discharge.setFail(false);
        interaction.transferHandle(txnState.getHandle()).transferDeliveryId(UnsignedInteger.valueOf(2)).transferSettled(Boolean.FALSE).transferDeliveryTag(new Binary(("transaction-" + 2).getBytes(StandardCharsets.UTF_8))).transferPayloadData(discharge).transfer();
        Disposition dischargeTransactionDisposition = getDispositionForDeliveryId(interaction, UnsignedInteger.valueOf(2));
        assertThat(dischargeTransactionDisposition.getSettled(), is(equalTo(true)));
        assertThat(dischargeTransactionDisposition.getState(), is(instanceOf(Rejected.class)));
        Rejected rejected = (Rejected) dischargeTransactionDisposition.getState();
        Error error = rejected.getError();
        assertThat(error, is(notNullValue()));
        assertThat(error.getCondition(), is(equalTo(TransactionError.TRANSACTION_ROLLBACK)));
    }
}

Example 5 with Coordinator

use of org.apache.qpid.server.protocol.v1_0.type.transaction.Coordinator in project qpid-broker-j by apache.

the class AnonymousTerminusTest method transferPreSettledInTransactionToUnknownDestinationWhenRejectOutcomeNotSupportedByTxController.

@SpecificationTest(section = "Using the Anonymous Terminus for Message Routing. 2.2.2 Routing Errors", description = "It is possible that a message sent to a routing node has an address in the to field" + " of properties which, if used in the address field of target of an attach," + " would result in an unsuccessful link establishment (for example," + " if the address cannot be resolved to a node). In this case the routing node" + " MUST communicate the error back to the sender of the message." + " [...]" + " <Not in spec yet>" + " AMQP-140" + " If a message cannot be routed to the destination implied in the \"to:\" field," + " and the source does not allow for the rejected outcome" + " [...] when messages are being sent within a transaction and have been sent pre-settled." + " In this case the behaviour defined for transactions (of essentially marking" + " the transaction as rollback only) should take precedence. " + "" + " AMQP spec 4.3 Discharging a Transaction" + " If the coordinator is unable to complete the discharge, the coordinator MUST convey" + " the error to the controller as a transaction-error." + " [...]" + " If the source does not support the rejected outcome, the transactional resource MUST" + " detach the link to the coordinator, with the detach performative carrying" + " the transaction-error")
@Test
public void transferPreSettledInTransactionToUnknownDestinationWhenRejectOutcomeNotSupportedByTxController() throws Exception {
    try (FrameTransport transport = new FrameTransport(_brokerAddress).connect()) {
        final UnsignedInteger linkHandle = UnsignedInteger.ONE;
        final Interaction interaction = openInteractionWithAnonymousRelayCapability(transport);
        final InteractionTransactionalState txnState = interaction.createTransactionalState(UnsignedInteger.ZERO);
        interaction.begin().consumeResponse(Begin.class).attachRole(Role.SENDER).attachName("testTransactionCoordinator-" + txnState.getHandle()).attachHandle(txnState.getHandle()).attachInitialDeliveryCount(UnsignedInteger.ZERO).attachTarget(new Coordinator()).attachSourceOutcomes(Accepted.ACCEPTED_SYMBOL).attach().consumeResponse(Attach.class).consumeResponse(Flow.class).txnDeclare(txnState).attachRole(Role.SENDER).attachHandle(linkHandle).attachTarget(new Target()).attachName("link-" + linkHandle).attachSourceOutcomes(Accepted.ACCEPTED_SYMBOL, Rejected.REJECTED_SYMBOL).attach().consumeResponse(Attach.class).consumeResponse(Flow.class).transferHandle(linkHandle).transferPayload(generateMessagePayloadToDestination("Unknown")).transferDeliveryTag(_deliveryTag).transferTransactionalState(txnState.getCurrentTransactionId()).transferSettled(Boolean.TRUE).transfer();
        final Discharge discharge = new Discharge();
        discharge.setTxnId(txnState.getCurrentTransactionId());
        discharge.setFail(false);
        interaction.transferHandle(txnState.getHandle()).transferSettled(Boolean.FALSE).transferDeliveryId(UnsignedInteger.valueOf(4)).transferDeliveryTag(new Binary(("transaction-" + 4).getBytes(StandardCharsets.UTF_8))).transferPayloadData(discharge).transfer();
        Detach transactionCoordinatorDetach = interaction.consumeResponse().getLatestResponse(Detach.class);
        Error transactionCoordinatorDetachError = transactionCoordinatorDetach.getError();
        assertThat(transactionCoordinatorDetachError, is(notNullValue()));
        assertThat(transactionCoordinatorDetachError.getCondition(), is(equalTo(TransactionError.TRANSACTION_ROLLBACK)));
    }
}