Examples with ExclusivityPolicy org.apache.qpid.server.model.ExclusivityPolicy used on opensource projects

Example 6 with ExclusivityPolicy

use of org.apache.qpid.server.model.ExclusivityPolicy in project qpid-broker-j by apache.

the class AMQChannel method receiveQueueDeclare.

@Override
public void receiveQueueDeclare(final AMQShortString queueStr, final boolean passive, final boolean durable, final boolean exclusive, final boolean autoDelete, final boolean nowait, final FieldTable arguments) {
    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("RECV[" + _channelId + "] QueueDeclare[" + " queue: " + queueStr + " passive: " + passive + " durable: " + durable + " exclusive: " + exclusive + " autoDelete: " + autoDelete + " nowait: " + nowait + " arguments: " + arguments + " ]");
    }
    NamedAddressSpace virtualHost = _connection.getAddressSpace();
    final AMQShortString queueName;
    // if we aren't given a queue name, we create one which we return to the client
    if ((queueStr == null) || (queueStr.length() == 0)) {
        queueName = AMQShortString.createAMQShortString("tmp_" + UUID.randomUUID());
    } else {
        queueName = queueStr;
    }
    Queue<?> queue;
    if (passive) {
        queue = getQueue(queueName.toString());
        if (queue == null) {
            closeChannel(ErrorCodes.NOT_FOUND, "Queue: '" + queueName + "' not found on VirtualHost '" + virtualHost.getName() + "'.");
        } else {
            if (!queue.verifySessionAccess(this)) {
                _connection.sendConnectionClose(ErrorCodes.NOT_ALLOWED, "Queue '" + queue.getName() + "' is exclusive, but not created on this Connection.", getChannelId());
            } else {
                // set this as the default queue on the channel:
                setDefaultQueue(queue);
                if (!nowait) {
                    sync();
                    MethodRegistry methodRegistry = _connection.getMethodRegistry();
                    QueueDeclareOkBody responseBody = methodRegistry.createQueueDeclareOkBody(queueName, queue.getQueueDepthMessages(), queue.getConsumerCount());
                    _connection.writeFrame(responseBody.generateFrame(getChannelId()));
                    if (LOGGER.isDebugEnabled()) {
                        LOGGER.debug("Queue " + queueName + " declared successfully");
                    }
                }
            }
        }
    } else {
        try {
            final String queueNameString = AMQShortString.toString(queueName);
            Map<String, Object> wireArguments = FieldTable.convertToMap(arguments);
            Object alternateExchange = wireArguments.get(ALTERNATE_EXCHANGE);
            if (alternateExchange != null) {
                String alternateExchangeName = String.valueOf(alternateExchange);
                validateAlternateExchangeIsNotQueue(virtualHost, alternateExchangeName);
            }
            Queue.BehaviourOnUnknownDeclareArgument unknownArgumentBehaviour = getConnection().getContextValue(Queue.BehaviourOnUnknownDeclareArgument.class, Queue.UNKNOWN_QUEUE_DECLARE_ARGUMENT_BEHAVIOUR_NAME);
            Map<String, Object> attributes = QueueArgumentsConverter.convertWireArgsToModel(queueNameString, wireArguments, getModel(), unknownArgumentBehaviour);
            attributes.put(Queue.NAME, queueNameString);
            attributes.put(Queue.DURABLE, durable);
            LifetimePolicy lifetimePolicy;
            ExclusivityPolicy exclusivityPolicy;
            if (exclusive) {
                lifetimePolicy = autoDelete ? LifetimePolicy.DELETE_ON_NO_OUTBOUND_LINKS : durable ? LifetimePolicy.PERMANENT : LifetimePolicy.DELETE_ON_CONNECTION_CLOSE;
                exclusivityPolicy = durable ? ExclusivityPolicy.CONTAINER : ExclusivityPolicy.CONNECTION;
            } else {
                lifetimePolicy = autoDelete ? LifetimePolicy.DELETE_ON_NO_OUTBOUND_LINKS : LifetimePolicy.PERMANENT;
                exclusivityPolicy = ExclusivityPolicy.NONE;
            }
            if (!attributes.containsKey(Queue.EXCLUSIVE)) {
                attributes.put(Queue.EXCLUSIVE, exclusivityPolicy);
            }
            if (!attributes.containsKey(Queue.LIFETIME_POLICY)) {
                attributes.put(Queue.LIFETIME_POLICY, lifetimePolicy);
            }
            queue = virtualHost.createMessageSource(Queue.class, attributes);
            setDefaultQueue(queue);
            if (!nowait) {
                sync();
                MethodRegistry methodRegistry = _connection.getMethodRegistry();
                QueueDeclareOkBody responseBody = methodRegistry.createQueueDeclareOkBody(queueName, queue.getQueueDepthMessages(), queue.getConsumerCount());
                _connection.writeFrame(responseBody.generateFrame(getChannelId()));
                if (LOGGER.isDebugEnabled()) {
                    LOGGER.debug("Queue " + queueName + " declared successfully");
                }
            }
        } catch (AbstractConfiguredObject.DuplicateNameException qe) {
            queue = (Queue<?>) qe.getExisting();
            if (!queue.verifySessionAccess(this)) {
                _connection.sendConnectionClose(ErrorCodes.NOT_ALLOWED, "Queue '" + queue.getName() + "' is exclusive, but not created on this Connection.", getChannelId());
            } else if (queue.isExclusive() != exclusive) {
                closeChannel(ErrorCodes.ALREADY_EXISTS, "Cannot re-declare queue '" + queue.getName() + "' with different exclusivity (was: " + queue.isExclusive() + " requested " + exclusive + ")");
            } else if ((autoDelete && queue.getLifetimePolicy() == LifetimePolicy.PERMANENT) || (!autoDelete && queue.getLifetimePolicy() != ((exclusive && !durable) ? LifetimePolicy.DELETE_ON_CONNECTION_CLOSE : LifetimePolicy.PERMANENT))) {
                closeChannel(ErrorCodes.ALREADY_EXISTS, "Cannot re-declare queue '" + queue.getName() + "' with different lifetime policy (was: " + queue.getLifetimePolicy() + " requested autodelete: " + autoDelete + ")");
            } else {
                setDefaultQueue(queue);
                if (!nowait) {
                    sync();
                    MethodRegistry methodRegistry = _connection.getMethodRegistry();
                    QueueDeclareOkBody responseBody = methodRegistry.createQueueDeclareOkBody(queueName, queue.getQueueDepthMessages(), queue.getConsumerCount());
                    _connection.writeFrame(responseBody.generateFrame(getChannelId()));
                    if (LOGGER.isDebugEnabled()) {
                        LOGGER.debug("Queue " + queueName + " declared successfully");
                    }
                }
            }
        } catch (AccessControlException e) {
            _connection.sendConnectionClose(ErrorCodes.ACCESS_REFUSED, e.getMessage(), getChannelId());
        } catch (UnknownAlternateBindingException e) {
            final String message = String.format("Unknown alternate destination: '%s'", e.getAlternateBindingName());
            _connection.sendConnectionClose(ErrorCodes.NOT_FOUND, message, getChannelId());
        } catch (IllegalArgumentException | IllegalConfigurationException e) {
            String message = String.format("Error creating queue '%s': %s", queueName, e.getMessage());
            _connection.sendConnectionClose(ErrorCodes.INVALID_ARGUMENT, message, getChannelId());
        }
    }
}