Example usage for com.rabbitmq.client Channel queueDelete

List of usage examples for com.rabbitmq.client Channel queueDelete

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Introduction

In this page you can find the example usage for com.rabbitmq.client Channel queueDelete.

Prototype

Queue.DeleteOk queueDelete(String queue) throws IOException;

Source Link

Document

Delete a queue, without regard for whether it is in use or has messages on it

Usage

From source file:net.es.netshell.rabbitmq.CreateToken.java

License:Open Source License

public CreateToken(BrokerInfo info, Channel tokenChannel, String listenerID) throws Exception {
    // Info on data needed to create a connection
    this.info = info;

    // Create random UUID for producer's temporary queue
    String uuid = UUID.randomUUID().toString();
    // Declare this temporary queue and start listening (exclusive queue).
    tokenChannel.queueDeclare(uuid, false, true, true, null);
    QueueingConsumer consumer = new QueueingConsumer(tokenChannel);

    // Send TOKEN_REQUEST with current username.
    String message = "TOKEN_REQUEST" + ":" + uuid + ":"
            + KernelThread.currentKernelThread().getUser().getName();

    tokenChannel.basicPublish("", listenerID, null, message.getBytes());
    // Start consuming to receive token.
    tokenChannel.basicConsume(uuid, true, "tokenRequest", false, false, null, consumer);
    QueueingConsumer.Delivery delivery = consumer.nextDelivery();

    // When token is received, store in "token."
    token = new String(delivery.getBody());
    // Delete temporary queue
    tokenChannel.queueDelete(uuid);
}

From source file:org.apache.cloudstack.mom.rabbitmq.RabbitMQEventBus.java

License:Apache License

@Override
public boolean stop() {

    if (_connection.isOpen()) {
        for (String subscriberId : _subscribers.keySet()) {
            Ternary<String, Channel, EventSubscriber> subscriberDetails = _subscribers.get(subscriberId);
            Channel channel = subscriberDetails.second();
            String queueName = subscriberId;
            try {
                channel.queueDelete(queueName);
                channel.abort();/*from w ww . j a  v  a  2  s. c  o  m*/
            } catch (IOException ioe) {
                s_logger.warn(
                        "Failed to delete queue: " + queueName + " on AMQP server due to " + ioe.getMessage());
            }
        }
    }

    closeConnection();
    return true;
}

From source file:org.axonframework.amqp.eventhandling.RabbitMQBenchmark.java

License:Apache License

private static String refreshQueue(Channel channel, String queueName) throws IOException {
    channel.queueDelete(queueName);
    queueName = channel.queueDeclare().getQueue();
    return queueName;
}

From source file:org.mule.transport.amqp.harness.rules.AmqpModelCleanupRule.java

License:Open Source License

protected void cleanQueues(String[] queues, Channel channel) throws IOException {
    for (String queue : queues) {
        channel.queueDelete(queue);
    }/*from   w w w. j a v  a 2 s.c o  m*/
}

From source file:org.mule.transport.amqp.harness.rules.AmqpModelRule.java

License:Open Source License

protected void undoQueuesConfiguration(Configuration configuration, Channel channel) throws IOException {
    List<Queue> configurationQueues = configuration.getQueues();

    for (Queue queue : configurationQueues) {
        channel.queueDelete(queue.getName());
    }// w w w.j  a  va2  s.com
}

From source file:org.objectweb.proactive.extensions.amqp.federation.AMQPFederationRemoteObjectServer.java

License:Open Source License

@Override
protected byte[] handleMessage(Channel channel, BasicProperties props, byte[] body) throws IOException {
    if (DELETE_QUEUE_MESSAGE_TYPE.equals(props.getType())) {
        channel.queueDelete(queueName);
        return null;
    } else if (PING_MESSAGE_TYPE.equals(props.getType())) {
        return new byte[] {};
    } else {/* ww w.j a  v  a 2 s . c  om*/
        return null;
    }
}

From source file:org.openbaton.plugin.utils.PluginCaller.java

License:Apache License

public Serializable executeRPC(String methodName, Collection<Serializable> args, Type returnType)
        throws IOException, InterruptedException, PluginException {

    Channel channel = connection.createChannel();
    String replyQueueName = channel.queueDeclare().getQueue();
    String exchange = "plugin-exchange";
    channel.queueBind(replyQueueName, exchange, replyQueueName);
    QueueingConsumer consumer = new QueueingConsumer(channel);
    String consumerTag = channel.basicConsume(replyQueueName, true, consumer);

    //Check if plugin is still up
    if (!RabbitManager.getQueues(brokerIp, username, password, managementPort).contains(pluginId))
        throw new PluginException("Plugin with id: " + pluginId + " not existing anymore...");

    String response;/*from ww w.  jav  a2 s.  c  o m*/
    String corrId = UUID.randomUUID().toString();
    PluginMessage pluginMessage = new PluginMessage();
    pluginMessage.setMethodName(methodName);
    pluginMessage.setParameters(args);
    String message = gson.toJson(pluginMessage);

    BasicProperties props = new Builder().correlationId(corrId).replyTo(replyQueueName).build();

    channel.basicPublish(exchange, pluginId, props, message.getBytes());

    if (returnType != null) {

        while (true) {
            Delivery delivery = consumer.nextDelivery();
            if (delivery.getProperties().getCorrelationId().equals(corrId)) {
                response = new String(delivery.getBody());
                log.trace("received: " + response);
                break;
            } else {
                log.error("Received Message with wrong correlation id");
                throw new PluginException(
                        "Received Message with wrong correlation id. This should not happen, if it does please call us.");
            }
        }

        channel.queueDelete(replyQueueName);
        try {
            channel.close();
        } catch (TimeoutException e) {
            e.printStackTrace();
        }
        JsonObject jsonObject = gson.fromJson(response, JsonObject.class);

        JsonElement exceptionJson = jsonObject.get("exception");
        if (exceptionJson == null) {
            JsonElement answerJson = jsonObject.get("answer");

            Serializable ret = null;

            if (answerJson.isJsonPrimitive()) {
                ret = gson.fromJson(answerJson.getAsJsonPrimitive(), returnType);
            } else if (answerJson.isJsonArray()) {
                ret = gson.fromJson(answerJson.getAsJsonArray(), returnType);
            } else
                ret = gson.fromJson(answerJson.getAsJsonObject(), returnType);

            log.trace("answer is: " + ret);
            return ret;
        } else {
            PluginException pluginException;
            try {
                pluginException = new PluginException(
                        gson.fromJson(exceptionJson.getAsJsonObject(), VimDriverException.class));
                log.debug("Got Vim Driver Exception with server: "
                        + ((VimDriverException) pluginException.getCause()).getServer());
            } catch (Exception ignored) {
                pluginException = new PluginException(
                        gson.fromJson(exceptionJson.getAsJsonObject(), Throwable.class));
            }
            throw pluginException;
        }
    } else
        return null;
}

From source file:org.opendaylight.federationmessagequeue.impl.RabbitMessageBus.java

License:Open Source License

@Override
public void destroyQueue(String queueName) {
    LOG.info("Started delete of queue {}", queueName);

    // lookup connection by queueName
    MessageBusConnectionData messageBusConnectionData = queueNameToConnectionData.get(queueName);
    if (messageBusConnectionData != null) {
        // get channel from active connections map
        Channel channel = messageBusConnectionData.channel;
        String brokerIp = messageBusConnectionData.brokerIp;
        Connection conn = messageBusConnectionData.conn;
        try {//www . j  a  v  a2 s  .co m
            // kill the queue dont wait for confirmation
            if (channel != null) {
                try {
                    channel.queueDelete(queueName);
                    LOG.info("Deleted queue {} successfully", queueName);
                } catch (IOException e) {
                    LOG.warn("Failed to delete queue {} msg: {}", queueName, e.getMessage());
                }
                channel.close();
            } else {
                LOG.warn("Null channel while deleting queue {} on broker {}", queueName, brokerIp);
            }
            if (conn != null) {
                conn.close();
            } else {
                LOG.warn("Null connection while deleting queue {} on broker {}", queueName, brokerIp);
            }
        } catch (IOException | TimeoutException e) {
            LOG.warn("Failed to close channel while deleting queue {} on broker {}", queueName, brokerIp, e);
        }
        // remove the queue from the internal queue list
        queueNameToConnectionData.remove(queueName);
    } else {
        LOG.warn("Cancelled deletion of queue {} because queueName not found in queueNameToConnectionData",
                queueName);
    }

}

From source file:org.springframework.amqp.rabbit.core.RabbitAdmin.java

License:Apache License

@Override
@ManagedOperation/*from w w w  .  j av  a2 s.  c o  m*/
public boolean deleteQueue(final String queueName) {
    return this.rabbitTemplate.execute(new ChannelCallback<Boolean>() {
        @Override
        public Boolean doInRabbit(Channel channel) throws Exception {
            try {
                channel.queueDelete(queueName);
            } catch (IOException e) {
                return false;
            }
            return true;
        }
    });
}

From source file:org.springframework.amqp.rabbit.junit.BrokerRunning.java

License:Apache License

@Override
public Statement apply(Statement base, Description description) {

    // Check at the beginning, so this can be used as a static field
    if (this.assumeOnline) {
        Assume.assumeTrue(brokerOnline.get(this.port));
    } else {//from   w  ww  . j a v  a  2s.c  o m
        Assume.assumeTrue(brokerOffline.get(this.port));
    }

    ConnectionFactory connectionFactory = getConnectionFactory();

    Connection connection = null; // NOSONAR (closeResources())
    Channel channel = null;

    try {
        connection = connectionFactory.newConnection();
        connection.setId(generateId());
        channel = connection.createChannel();

        for (String queueName : this.queues) {

            if (this.purge) {
                logger.debug("Deleting queue: " + queueName);
                // Delete completely - gets rid of consumers and bindings as well
                channel.queueDelete(queueName);
            }

            if (isDefaultQueue(queueName)) {
                // Just for test probe.
                channel.queueDelete(queueName);
            } else {
                channel.queueDeclare(queueName, true, false, false, null);
            }
        }
        brokerOffline.put(this.port, false);
        if (!this.assumeOnline) {
            Assume.assumeTrue(brokerOffline.get(this.port));
        }

        if (this.management) {
            Client client = new Client(getAdminUri(), this.adminUser, this.adminPassword);
            if (!client.alivenessTest("/")) {
                throw new RuntimeException(
                        "Aliveness test failed for localhost:15672 guest/quest; " + "management not available");
            }
        }
    } catch (Exception e) {
        logger.warn("Not executing tests because basic connectivity test failed: " + e.getMessage());
        brokerOnline.put(this.port, false);
        if (this.assumeOnline) {
            if (fatal()) {
                fail("RabbitMQ Broker is required, but not available");
            } else {
                Assume.assumeNoException(e);
            }
        }
    } finally {
        closeResources(connection, channel);
    }

    return super.apply(base, description);
}