Example usage for com.rabbitmq.client Channel close

Introduction

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

Prototype

@Override
void close() throws IOException, TimeoutException;

Source Link

Document

Close this channel with the com.rabbitmq.client.AMQP#REPLY_SUCCESS close code and message 'OK'.

Usage

From source file:net.roboconf.messaging.internal.RabbitMqTestUtils.java

License:Apache License

/**
 * A method to check whether RabbitMQ is rabbitMqIsRunning or not.
 * <p>/*  w ww  .  j  a  va 2 s.c  o m*/
 * Tests that must be skipped if it is not rabbitMqIsRunning must begin with
 * <code>
 * Assume.assumeTrue( rabbitMqIsRunning );
 * </code>
 * </p>
 */
public static boolean checkRabbitMqIsRunning() throws Exception {

    boolean rabbitMqIsRunning = false;
    Channel channel = null;
    try {
        channel = createTestChannel();
        Object o = channel.getConnection().getServerProperties().get("version");

        String version = String.valueOf(o);
        if (!isVersionGOEThreeDotTwo(version)) {
            Logger logger = Logger.getLogger(RabbitMqTestUtils.class.getName());
            logger.warning("Tests are skipped because RabbitMQ must be at least in version 3.2.x.");

        } else {
            rabbitMqIsRunning = true;
        }

    } catch (Exception e) {
        Logger logger = Logger.getLogger(RabbitMqTestUtils.class.getName());
        logger.warning("Tests are skipped because RabbitMQ is not rabbitMqIsRunning.");
        Utils.logException(logger, e);

    } finally {
        if (channel != null) {
            channel.close();
            channel.getConnection().close();
        }
    }

    return rabbitMqIsRunning;
}

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From source file:net.roboconf.messaging.internal.utils.RabbitMqUtils.java

License:Apache License

/**
 * Closes the connection to a channel./*from   w  w  w  .ja  v a2 s. c o  m*/
 * @param channel the channel to close (can be null)
 * @throws IOException if something went wrong
 */
public static void closeConnection(Channel channel) throws IOException {

    if (channel != null) {
        if (channel.isOpen()) {
            // channel.basicCancel( consumerTag );
            channel.close();
        }

        if (channel.getConnection().isOpen())
            channel.getConnection().close();
    }
}

---

From source file:net.roboconf.messaging.rabbitmq.internal.utils.RabbitMqTestUtils.java

License:Apache License

/**
 * A method to check whether RabbitMQ is rabbitMqIsRunning or not.
 * <p>//from  ww w.j av  a  2  s .  c  o  m
 * Tests that must be skipped if it is not rabbitMqIsRunning must begin with
 * <code>
 * Assume.assumeTrue( rabbitMqIsRunning );
 * </code>
 * </p>
 */
public static boolean checkRabbitMqIsRunning(String messageServerIp, String username, String password) {

    Logger logger = Logger.getLogger(RabbitMqTestUtils.class.getName());
    boolean rabbitMqIsRunning = false;
    Channel channel = null;
    try {
        channel = createTestChannel(messageServerIp, username, password);
        Object o = channel.getConnection().getServerProperties().get("version");

        String version = String.valueOf(o);
        if (!isVersionGOEThreeDotTwo(version)) {
            logger.warning("Tests are skipped because RabbitMQ must be at least in version 3.2.x.");

        } else {
            rabbitMqIsRunning = true;
        }

    } catch (Exception e) {
        logger.warning("Tests are skipped because RabbitMQ is not rabbitMqIsRunning.");
        Utils.logException(logger, e);

    } finally {
        try {
            if (channel != null) {
                channel.close();
                channel.getConnection().close();
            }

        } catch (Exception e) {
            Utils.logException(logger, e);
        }
    }

    return rabbitMqIsRunning;
}

---

From source file:net.roboconf.messaging.rabbitmq.internal.utils.RabbitMqUtils.java

License:Apache License

/**
 * Closes the connection to a channel./*w w w  .  j a va  2s  .c  om*/
 * @param channel the channel to close (can be null)
 * @throws IOException if something went wrong
 */
public static void closeConnection(Channel channel) throws IOException {

    if (channel != null) {
        if (channel.isOpen())
            channel.close();

        if (channel.getConnection().isOpen())
            channel.getConnection().close();
    }
}

---

From source file:org.apache.airavata.datacat.agent.org.apache.airavata.datacat.agent.messageBroker.RabbitMQConsumerTest.java

License:Apache License

/**
 * Test method to publish dummy data to RabbitMQ
 * @param messageType/*  w  w  w.j  av  a2  s  . c o  m*/
 * @throws java.io.IOException
 * @throws TException
 */
public void publish(MessageType messageType) throws java.io.IOException, TException {

    //establishing the connection
    ConnectionFactory factory = new ConnectionFactory();
    factory.setHost(RABBITMQ_HOST);
    Connection connection = factory.newConnection();
    Channel channel = connection.createChannel();

    channel.exchangeDeclare(EXCHANGE_NAME, "topic");

    String DATA_ROOT = AgentProperties.getInstance().getProperty(Constants.DATA_ROOT, "");

    //creating the output created Event
    ExperimentOutputCreatedEvent event = new ExperimentOutputCreatedEvent();
    event.setExperimentId("test");
    event.setOutputPath(DATA_ROOT + "/2H2OOHNCmin.com.out");

    //serializing the event
    byte[] body = ThriftUtils.serializeThriftObject(event);
    Message message = new Message();
    message.setEvent(body);
    message.setMessageId("sad");
    message.setMessageType(messageType);
    message.setUpdatedTime(993344232);
    String routingKey = "*";

    //serializing the message object
    byte[] messageArray = ThriftUtils.serializeThriftObject(message);
    channel.basicPublish(EXCHANGE_NAME, BINDING_KEY, null, messageArray);

    logger.debug(" [x] Sent '" + message + "'");

    channel.close();
    connection.close();
}

---

From source file:org.apache.airavata.gfac.monitor.impl.push.amqp.AMQPMonitor.java

License:Apache License

public void run() {
    // before going to the while true mode we start unregister thread
    startRegister = true; // this will be unset by someone else
    while (startRegister || !ServerSettings.isStopAllThreads()) {
        try {//from  ww w .j  a  v a 2  s.  c  o  m
            MonitorID take = runningQueue.take();
            this.registerListener(take);
        } catch (AiravataMonitorException e) { // catch any exceptino inside the loop
            e.printStackTrace();
        } catch (InterruptedException e) {
            e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    Set<String> strings = availableChannels.keySet();
    for (String key : strings) {
        Channel channel = availableChannels.get(key);
        try {
            channel.close();
        } catch (IOException e) {
            e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
        }
    }
}

---

From source file:org.apache.airavata.gfac.monitor.impl.push.amqp.AMQPMonitor.java

License:Apache License

@Subscribe
public boolean unRegisterListener(MonitorID monitorID) throws AiravataMonitorException {
    Iterator<MonitorID> iterator = finishQueue.iterator();
    MonitorID next = null;/*from  www  .  j  a  va  2 s.com*/
    while (iterator.hasNext()) {
        next = iterator.next();
        if (next.getJobID().endsWith(monitorID.getJobID())) {
            break;
        }
    }
    if (next == null) {
        logger.error("Job has removed from the queue, old obsolete message recieved");
        return false;
    }
    String channelID = CommonUtils.getChannelID(next);
    if (JobState.FAILED.equals(monitorID.getStatus()) || JobState.COMPLETE.equals(monitorID.getStatus())) {
        finishQueue.remove(next);

        // if this is the last job in the queue at this point with the same username and same host we
        // close the channel and close the connection and remove it from availableChannels
        if (CommonUtils.isTheLastJobInQueue(finishQueue, next)) {
            logger.info("There are no jobs to monitor for common ChannelID:" + channelID
                    + " , so we unsubscribe it" + ", incase new job created we do subscribe again");
            Channel channel = availableChannels.get(channelID);
            if (channel == null) {
                logger.error("Already Unregistered the listener");
                throw new AiravataMonitorException("Already Unregistered the listener");
            } else {
                try {
                    channel.queueUnbind(channel.queueDeclare().getQueue(), "glue2.computing_activity",
                            CommonUtils.getRoutingKey(next));
                    channel.close();
                    channel.getConnection().close();
                    availableChannels.remove(channelID);
                } catch (IOException e) {
                    logger.error("Error unregistering the listener");
                    throw new AiravataMonitorException("Error unregistering the listener");
                }
            }
        }
    }
    next.setStatus(monitorID.getStatus());
    JobIdentifier jobIdentity = new JobIdentifier(next.getJobID(), next.getTaskID(), next.getWorkflowNodeID(),
            next.getExperimentID(), next.getJobExecutionContext().getGatewayID());
    publisher.publish(new JobStatusChangeEvent(next.getStatus(), jobIdentity));
    return true;
}

---

From source file:org.apache.airavata.gfac.monitor.impl.push.amqp.UnRegisterWorker.java

License:Apache License

@Subscribe
private boolean unRegisterListener(JobStatusChangeEvent jobStatus, MonitorID monitorID)
        throws AiravataMonitorException {
    String channelID = CommonUtils.getChannelID(monitorID);
    if (JobState.FAILED.equals(jobStatus.getState()) || JobState.COMPLETE.equals(jobStatus.getState())) {
        Channel channel = availableChannels.get(channelID);
        if (channel == null) {
            logger.error("Already Unregistered the listener");
            throw new AiravataMonitorException("Already Unregistered the listener");
        } else {//from w w  w.j  av a  2s  . c o  m
            try {
                channel.queueUnbind(channel.queueDeclare().getQueue(), "glue2.computing_activity",
                        CommonUtils.getRoutingKey(monitorID));
                channel.close();
                channel.getConnection().close();
                availableChannels.remove(channelID);
            } catch (IOException e) {
                logger.error("Error unregistering the listener");
                throw new AiravataMonitorException("Error unregistering the listener");
            }
        }
    }
    return true;
}

---

From source file:org.apache.airavata.wsmg.client.amqp.rabbitmq.AMQPBroadcastSenderImpl.java

License:Apache License

public void Send(OMElement message) throws AMQPException {
    try {//from  w ww  .java  2s. com
        if (isRoutable(message)) {
            Connection connection = connectionFactory.newConnection();
            Channel channel = connection.createChannel();
            channel.exchangeDeclare(AMQPUtil.EXCHANGE_NAME_FANOUT, AMQPUtil.EXCHANGE_TYPE_FANOUT);

            channel.basicPublish(AMQPUtil.EXCHANGE_NAME_FANOUT, "", null, message.toString().getBytes());

            channel.close();
            connection.close();
        }
    } catch (IOException e) {
        throw new AMQPException(e);
    }
}

---

From source file:org.apache.airavata.wsmg.client.amqp.rabbitmq.AMQPSenderImpl.java

License:Apache License

public void Send(OMElement message) throws AMQPException {
    try {//from ww  w  . j  a  va 2s.c om
        if (isRoutable(message)) {
            Connection connection = connectionFactory.newConnection();
            Channel channel = connection.createChannel();
            channel.exchangeDeclare(AMQPUtil.EXCHANGE_NAME_DIRECT, AMQPUtil.EXCHANGE_TYPE_DIRECT);

            List<String> routingKeys = new ArrayList<String>();
            getRoutingKeys(message, routingKeys);

            for (String routingKey : routingKeys) {
                channel.basicPublish(AMQPUtil.EXCHANGE_NAME_DIRECT, routingKey, null,
                        message.toString().getBytes());
            }

            channel.close();
            connection.close();
        }
    } catch (IOException e) {
        throw new AMQPException(e);
    }
}

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