Example usage for com.rabbitmq.client ConnectionFactory useNio

Introduction

In this page you can find the example usage for com.rabbitmq.client ConnectionFactory useNio.

Prototype

public void useNio() 

Source Link

Document

Use non-blocking IO (NIO) for communication with the server.

Usage

From source file:reactor.rabbitmq.docs.ApiGuideSender.java

License:Open Source License

void optionsSimple() {
    // tag::options-simple[]
    ConnectionFactory connectionFactory = new ConnectionFactory();
    connectionFactory.useNio();

    SenderOptions senderOptions = new SenderOptions().connectionFactory(connectionFactory) // <1>
            .resourceManagementScheduler(Schedulers.elastic()); // <2>
    // end::options-simple[]
    // tag::instanciation[]
    Sender sender = RabbitFlux.createSender(senderOptions);
    // end::instanciation[]
    // tag::outbound-message-flux[]
    Flux<OutboundMessage> outboundFlux = Flux.range(1, 10)
            .map(i -> new OutboundMessage("amq.direct", "routing.key", ("Message " + i).getBytes()));
    // end::outbound-message-flux[]
    Logger log = LoggerFactory.getLogger(ApiGuideSender.class);
    // tag::send-flux[]
    sender.send(outboundFlux) // <1>
            .doOnError(e -> log.error("Send failed", e)) // <2>
            .subscribe(); // <3>
    // end::send-flux[]
    // tag::resource-declaration[]
    Mono<AMQP.Exchange.DeclareOk> exchange = sender
            .declareExchange(ExchangeSpecification.exchange("my.exchange"));
    Mono<AMQP.Queue.DeclareOk> queue = sender.declareQueue(QueueSpecification.queue("my.queue"));
    Mono<AMQP.Queue.BindOk> binding = sender
            .bind(BindingSpecification.binding().exchange("my.exchange").queue("my.queue").routingKey("a.b"));
    // end::resource-declaration[]
    // tag::resource-declaration-static-import[]
    sender.declare(exchange("my.exchange")).then(sender.declare(queue("my.queue")))
            .then(sender.bind(binding("my.exchange", "a.b", "my.queue")))
            .subscribe(r -> System.out.println("Exchange and queue declared and bound"));
    // end::resource-declaration-static-import[]
    // tag::resource-deletion[]
    sender.unbind(binding("my.exchange", "a.b", "my.queue")).then(sender.delete(exchange("my.exchange")))
            .then(sender.delete(queue("my.queue")))
            .subscribe(r -> System.out.println("Exchange and queue unbound and deleted"));
    // end::resource-deletion[]
    // tag::closing[]
    sender.close();//ww  w.  j  ava  2  s .  c  o m
    // end::closing[]
}

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From source file:reactor.rabbitmq.docs.ApiGuideSender.java

License:Open Source License

void publisherConfirms() {
    ConnectionFactory connectionFactory = new ConnectionFactory();
    connectionFactory.useNio();

    SenderOptions senderOptions = new SenderOptions().connectionFactory(connectionFactory)
            .resourceManagementScheduler(Schedulers.elastic());
    Sender sender = RabbitFlux.createSender(senderOptions);
    // tag::publisher-confirms[]
    Flux<OutboundMessage> outboundFlux = Flux.range(1, 10)
            .map(i -> new OutboundMessage("amq.direct", "routing.key", "hello".getBytes()));
    sender.sendWithPublishConfirms(outboundFlux).subscribe(outboundMessageResult -> {
        // outbound message has reached the broker
    });//w  w  w  . j av a2s .c  o  m
    // end::publisher-confirms[]
}

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From source file:reactor.rabbitmq.RabbitFluxTests.java

License:Open Source License

@BeforeEach
public void init() throws Exception {
    ConnectionFactory connectionFactory = new ConnectionFactory();
    connectionFactory.useNio();
    connection = connectionFactory.newConnection();
    Channel channel = connection.createChannel();
    String queueName = UUID.randomUUID().toString();
    queue = channel.queueDeclare(queueName, false, false, false, null).getQueue();
    channel.close();//from  ww  w . j a  v  a  2s  .c  om
    receiver = null;
    sender = null;
}

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From source file:reactor.rabbitmq.RabbitFluxTests.java

License:Open Source License

@ParameterizedTest
@MethodSource("noAckAndManualAckFluxArguments")
public void receiverFluxDisposedOnConnectionClose(
        BiFunction<Receiver, String, Flux<? extends Delivery>> fluxFactory) throws Exception {
    Channel channel = connection.createChannel();
    int nbMessages = 10;
    Mono<Connection> connectionMono = Mono.fromCallable(() -> {
        ConnectionFactory cf = new ConnectionFactory();
        cf.useNio();
        return cf.newConnection();
    }).cache();/*from ww  w.j  ava2  s  .co m*/
    receiver = RabbitFlux.createReceiver(new ReceiverOptions().connectionMono(connectionMono));

    Flux<? extends Delivery> flux = fluxFactory.apply(receiver, queue);
    for (int $$ : IntStream.range(0, nbMessages).toArray()) {
        channel.basicPublish("", queue, null, "Hello".getBytes());
    }

    CountDownLatch messageReceivedLatch = new CountDownLatch(nbMessages);
    CountDownLatch completedLatch = new CountDownLatch(1);
    AtomicInteger counter = new AtomicInteger();
    Disposable subscription = flux.subscribe(msg -> {
        counter.incrementAndGet();
        messageReceivedLatch.countDown();
    }, error -> {
    }, () -> completedLatch.countDown());

    assertTrue(messageReceivedLatch.await(1, TimeUnit.SECONDS));
    assertEquals(nbMessages, counter.get());
    assertEquals(1, completedLatch.getCount());
    connectionMono.block().close();
    assertTrue(completedLatch.await(1, TimeUnit.SECONDS));
    subscription.dispose();
}

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From source file:reactor.rabbitmq.RabbitFluxTests.java

License:Open Source License

@Test
public void connectionMonoSharedConnection() throws Exception {
    ConnectionFactory connectionFactory = new ConnectionFactory();
    connectionFactory.useNio();
    Mono<? extends Connection> connectionMono = Utils.singleConnectionMono(connectionFactory,
            cf -> cf.newConnection());

    sender = createSender(new SenderOptions().connectionMono(connectionMono));
    receiver = createReceiver(new ReceiverOptions().connectionMono(connectionMono));

    String connectionQueue = sender
            .declare(QueueSpecification.queue().durable(false).autoDelete(true).exclusive(true)).block()
            .getQueue();//from   ww w .  ja  va 2 s  .c  om

    sendAndReceiveMessages(connectionQueue);
}

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From source file:reactor.rabbitmq.RabbitFluxTests.java

License:Open Source License

@Test
public void creatConnectionWithConnectionSupplier() throws Exception {
    ConnectionFactory connectionFactory = new ConnectionFactory();
    connectionFactory.useNio();

    sender = createSender(new SenderOptions().connectionFactory(connectionFactory)
            .connectionSupplier(cf -> cf.newConnection("reactive-sendRetryOnFailure")));

    receiver = createReceiver(new ReceiverOptions().connectionFactory(connectionFactory)
            .connectionSupplier(cf -> cf.newConnection("reactive-receiver")));

    sendAndReceiveMessages(queue);//w  w w  . ja  v a2s .c  o m
}

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From source file:reactor.rabbitmq.RabbitFluxTests.java

License:Open Source License

@Test
public void createConnectionWithConnectionMono() throws Exception {
    ConnectionFactory connectionFactory = new ConnectionFactory();
    connectionFactory.useNio();

    sender = createSender(new SenderOptions().connectionMono(
            Mono.fromCallable(() -> connectionFactory.newConnection("reactive-sendRetryOnFailure"))));

    receiver = createReceiver(new ReceiverOptions()
            .connectionMono(Mono.fromCallable(() -> connectionFactory.newConnection("reactive-receiver"))));

    sendAndReceiveMessages(queue);/*from  w  w w.  j  a  v a 2  s  .  c  o m*/
}

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From source file:reactor.rabbitmq.RabbitFluxTests.java

License:Open Source License

@Test
public void creatingNonExistentPassiveChannelResultsInError() {
    ConnectionFactory connectionFactory = new ConnectionFactory();
    connectionFactory.useNio();

    sender = createSender(new SenderOptions().connectionMono(
            Mono.fromCallable(() -> connectionFactory.newConnection("non-existing-passive-queue"))));

    StepVerifier.create(sender.declareQueue(QueueSpecification.queue("non-existing-queue").passive(true)))
            .expectError(ShutdownSignalException.class).verify();
}

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From source file:reactor.rabbitmq.RabbitFluxTests.java

License:Open Source License

@Test
public void creatingNonExistentPassiveExchangeResultsInError() {
    ConnectionFactory connectionFactory = new ConnectionFactory();
    connectionFactory.useNio();

    sender = createSender(new SenderOptions().connectionMono(
            Mono.fromCallable(() -> connectionFactory.newConnection("non-existing-passive-exchange"))));

    StepVerifier//from ww  w.  j  av a 2 s.  c o  m
            .create(sender
                    .declareExchange(ExchangeSpecification.exchange("non-existing-exchange").passive(true)))
            .expectError(ShutdownSignalException.class).verify();
}

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From source file:reactor.rabbitmq.ReactorRabbitMqTests.java

License:Open Source License

@Before
public void init() throws Exception {
    ConnectionFactory connectionFactory = new ConnectionFactory();
    connectionFactory.useNio();
    connection = connectionFactory.newConnection();
    Channel channel = connection.createChannel();
    String queueName = UUID.randomUUID().toString();
    queue = channel.queueDeclare(queueName, false, false, false, null).getQueue();
    channel.close();// www . j  a  v a  2  s.  c  o  m
    receiver = null;
    sender = null;
}

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