Example usage for com.rabbitmq.client Connection createChannel

List of usage examples for com.rabbitmq.client Connection createChannel

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Introduction

In this page you can find the example usage for com.rabbitmq.client Connection createChannel.

Prototype

Channel createChannel() throws IOException;

Source Link

Document

Create a new channel, using an internally allocated channel number.

Usage

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

License:Apache License

public static void main(String[] args) throws IOException, InterruptedException, TimeoutException {
    final Connection connection = new ConnectionFactory().newConnection();
    final Channel channel = connection.createChannel();
    String queueName = channel.queueDeclare().getQueue();
    execute("Transactional and Channel pooling", createChannelPoolSharingThreads(connection, queueName));
    queueName = refreshQueue(channel, queueName);
    execute("Transactional, new Channel per tx", createChannelCreatingThreads(connection, queueName, true));
    queueName = refreshQueue(channel, queueName);
    execute("Non-transactional, new Channel per tx",
            createChannelCreatingThreads(connection, queueName, false));
    queueName = refreshQueue(channel, queueName);
    execute("Non-transactional, single Channel", createChannelSharingThreads(connection, queueName));
    channel.confirmSelect();//  w w  w .j  a va2  s.c om
    connection.close();
}

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

License:Apache License

private static List<Thread> createChannelCreatingThreads(final Connection connection, final String queueName,
        final boolean transactional) {
    List<Thread> threads = new ArrayList<>();
    for (int i = 0; i < THREAD_COUNT; i++) {
        threads.add(new Thread(() -> {
            try {
                for (int t = 0; t < COMMIT_COUNT; t++) {
                    final Channel localChannel = connection.createChannel();
                    if (transactional) {
                        localChannel.txSelect();
                    }/*  www . j ava  2s .  co m*/
                    for (int j = 0; j < COMMIT_SIZE; j++) {
                        localChannel.basicPublish("", queueName, null, ("message" + t).getBytes("UTF-8"));
                    }
                    if (transactional) {
                        localChannel.txCommit();
                    }
                    localChannel.close();
                }
            } catch (IOException | TimeoutException e) {
                e.printStackTrace();
            }
        }));
    }
    return threads;
}

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

License:Apache License

private static List<Thread> createChannelSharingThreads(final Connection connection, final String queueName)
        throws IOException {
    List<Thread> threads = new ArrayList<>();
    final Channel localChannel = connection.createChannel();
    for (int i = 0; i < THREAD_COUNT; i++) {
        threads.add(new Thread(() -> {
            try {
                for (int t = 0; t < COMMIT_COUNT; t++) {
                    for (int j = 0; j < COMMIT_SIZE; j++) {
                        localChannel.basicPublish("", queueName, null, ("message" + t).getBytes("UTF-8"));
                    }//from w  w  w  .jav  a 2  s . co m
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }));
    }
    return threads;
}

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

License:Apache License

private static List<Thread> createChannelPoolSharingThreads(final Connection connection,
        final String queueName) {
    List<Thread> threads = new ArrayList<>();
    final Queue<Channel> channels = new ArrayBlockingQueue<>(15);
    for (int i = 0; i < THREAD_COUNT; i++) {
        threads.add(new Thread(() -> {
            try {
                for (int t = 0; t < COMMIT_COUNT; t++) {
                    Channel localChannel = channels.poll();
                    if (localChannel == null) {
                        localChannel = connection.createChannel();
                    }//w  w  w .j  a v a 2  s  .co m
                    localChannel.txSelect();
                    for (int j = 0; j < COMMIT_SIZE; j++) {
                        localChannel.basicPublish("", queueName, null, ("message" + t).getBytes("UTF-8"));
                    }
                    localChannel.txCommit();
                    if (!channels.offer(localChannel)) {
                        localChannel.close();
                    }
                }
            } catch (IOException | TimeoutException e) {
                e.printStackTrace();
            }
        }));
    }
    return threads;
}

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

License:Apache License

public static void main(String[] args) throws IOException, InterruptedException {
    final Connection connection = new ConnectionFactory().newConnection();
    final Channel channel = connection.createChannel();
    String queueName = channel.queueDeclare().getQueue();
    execute("Transactional and Channel pooling", createChannelPoolSharingThreads(connection, queueName));
    queueName = refreshQueue(channel, queueName);
    execute("Transactional, new Channel per tx", createChannelCreatingThreads(connection, queueName, true));
    queueName = refreshQueue(channel, queueName);
    execute("Non-transactional, new Channel per tx",
            createChannelCreatingThreads(connection, queueName, false));
    queueName = refreshQueue(channel, queueName);
    execute("Non-transactional, single Channel", createChannelSharingThreads(connection, queueName));
    channel.confirmSelect();//from  w  w  w. j a v a 2 s  .  c  o  m
    connection.close();
}

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

License:Apache License

private static List<Thread> createChannelCreatingThreads(final Connection connection, final String queueName,
        final boolean transactional) {
    List<Thread> threads = new ArrayList<Thread>();
    for (int i = 0; i < THREAD_COUNT; i++) {
        threads.add(new Thread(new Runnable() {
            @Override//from  ww  w .j  ava 2 s  .c  o m
            public void run() {
                try {
                    for (int t = 0; t < COMMIT_COUNT; t++) {
                        final Channel localChannel = connection.createChannel();
                        if (transactional) {
                            localChannel.txSelect();
                        }
                        for (int j = 0; j < COMMIT_SIZE; j++) {
                            localChannel.basicPublish("", queueName, null, ("message" + t).getBytes("UTF-8"));
                        }
                        if (transactional) {
                            localChannel.txCommit();
                        }
                        localChannel.close();
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }));
    }
    return threads;
}

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

License:Apache License

private static List<Thread> createChannelSharingThreads(final Connection connection, final String queueName)
        throws IOException {
    List<Thread> threads = new ArrayList<Thread>();
    final Channel localChannel = connection.createChannel();
    for (int i = 0; i < THREAD_COUNT; i++) {
        threads.add(new Thread(new Runnable() {
            @Override/*  w ww  . jav  a2  s  . co m*/
            public void run() {
                try {
                    for (int t = 0; t < COMMIT_COUNT; t++) {
                        for (int j = 0; j < COMMIT_SIZE; j++) {
                            localChannel.basicPublish("", queueName, null, ("message" + t).getBytes("UTF-8"));
                        }
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }));
    }
    return threads;
}

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

License:Apache License

private static List<Thread> createChannelPoolSharingThreads(final Connection connection,
        final String queueName) {
    List<Thread> threads = new ArrayList<Thread>();
    final Queue<Channel> channels = new ArrayBlockingQueue<Channel>(15);
    for (int i = 0; i < THREAD_COUNT; i++) {
        threads.add(new Thread(new Runnable() {
            @Override/*ww w.j a v a 2  s  .c  o  m*/
            public void run() {
                try {
                    for (int t = 0; t < COMMIT_COUNT; t++) {
                        Channel localChannel = channels.poll();
                        if (localChannel == null) {
                            localChannel = connection.createChannel();
                        }
                        localChannel.txSelect();
                        for (int j = 0; j < COMMIT_SIZE; j++) {
                            localChannel.basicPublish("", queueName, null, ("message" + t).getBytes("UTF-8"));
                        }
                        localChannel.txCommit();
                        if (!channels.offer(localChannel)) {
                            localChannel.close();
                        }
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }));
    }
    return threads;
}

From source file:org.ballerinalang.messaging.rabbitmq.util.ChannelUtils.java

License:Open Source License

/**
 * Creates a RabbitMQ AMQ Channel./*from  ww  w.j  a  va2 s . c  o m*/
 *
 * @param connection RabbitMQ Connection object.
 * @return RabbitMQ Channel object.
 */
public static Channel createChannel(Connection connection) {
    try {
        return connection.createChannel();
    } catch (IOException exception) {
        String errorMessage = "An error occurred while creating the channel ";
        throw new BallerinaException(errorMessage + exception.getMessage(), exception);
    }
}

From source file:org.eclipse.hono.dispatcher.amqp.DefaultAmqpHelper.java

License:Open Source License

private DefaultAmqpHelper(final Connection connection, final QueueConfiguration queueConfiguration)
        throws IOException {
    this.connection = Objects.requireNonNull(connection);
    this.queueConfiguration = Objects.requireNonNull(queueConfiguration);

    channel = connection.createChannel();
    declareExchangeAndQueue();/* w  w w  .jav a  2 s.c  o m*/
}