Examples with Producer com.rabbitmq.stream.Producer used on opensource projects

Example 16 with Producer

use of com.rabbitmq.stream.Producer in project rabbitmq-stream-java-client by rabbitmq.

the class SanityCheck method main.

public static void main(String[] args) {
    Environment env = null;
    String s = "sanity-check-stream";
    try {
        LOGGER.info("connecting");
        env = Environment.builder().build();
        LOGGER.info("connected");
        env.streamCreator().stream(s).create();
        LOGGER.info("test stream created");
        CountDownLatch publishLatch = new CountDownLatch(1);
        Producer producer = env.producerBuilder().stream(s).build();
        LOGGER.info("producer created");
        producer.send(producer.messageBuilder().addData("".getBytes(StandardCharsets.UTF_8)).build(), confirmationStatus -> publishLatch.countDown());
        LOGGER.info("waiting for publish confirm");
        boolean done = publishLatch.await(5, TimeUnit.SECONDS);
        if (!done) {
            throw new IllegalStateException("Did not receive publish confirm");
        }
        LOGGER.info("got publish confirm");
        CountDownLatch consumeLatch = new CountDownLatch(1);
        env.consumerBuilder().stream(s).offset(OffsetSpecification.first()).messageHandler((context, message) -> consumeLatch.countDown()).build();
        LOGGER.info("created consumer, waiting for message");
        done = consumeLatch.await(5, TimeUnit.SECONDS);
        if (!done) {
            throw new IllegalStateException("Did not receive message");
        }
        LOGGER.info("got message");
        LOGGER.info("Test succeeded with Stream Client {}", Environment.class.getPackage().getImplementationVersion());
        System.exit(0);
    } catch (Exception e) {
        LOGGER.info("Test failed with Stream Client {}", Environment.class.getPackage().getImplementationVersion(), e);
        System.exit(1);
    } finally {
        if (env != null) {
            env.deleteStream(s);
            env.close();
        }
    }
}

Example 17 with Producer

use of com.rabbitmq.stream.Producer in project rabbitmq-stream-java-client by rabbitmq.

the class ProducerUsage method producerCreation.

void producerCreation() throws Exception {
    Environment environment = Environment.builder().build();
    // tag::producer-creation[]
    Producer producer = // <1>
    environment.producerBuilder().stream(// <2>
    "my-stream").build();
    // ...
    // <4>
    producer.close();
// end::producer-creation[]
}

Example 18 with Producer

use of com.rabbitmq.stream.Producer in project rabbitmq-stream-java-client by rabbitmq.

the class ProducerUsage method producerWithNameQueryLastPublishingId.

void producerWithNameQueryLastPublishingId() {
    Environment environment = Environment.builder().build();
    // tag::producer-queries-last-publishing-id[]
    Producer producer = environment.producerBuilder().name(// <1>
    "my-app-producer").confirmTimeout(// <2>
    Duration.ZERO).stream("my-stream").build();
    // <3>
    long nextPublishingId = producer.getLastPublishingId() + 1;
    while (moreContent(nextPublishingId)) {
        // <4>
        byte[] content = getContent(nextPublishingId);
        Message message = producer.messageBuilder().publishingId(// <5>
        nextPublishingId).addData(content).build();
        producer.send(message, confirmationStatus -> {
        });
        nextPublishingId++;
    }
// end::producer-queries-last-publishing-id[]
}

Example 19 with Producer

use of com.rabbitmq.stream.Producer in project rabbitmq-stream-java-client by rabbitmq.

the class ProducerUsage method producerComplexMessage.

void producerComplexMessage() {
    Environment environment = Environment.builder().build();
    Producer producer = environment.producerBuilder().stream("my-stream").build();
    // tag::producer-publish-complex-message[]
    Message message = // <1>
    producer.messageBuilder().properties().messageId(UUID.randomUUID()).correlationId(UUID.randomUUID()).contentType("text/plain").messageBuilder().addData(// <4>
    "hello".getBytes(StandardCharsets.UTF_8)).build();
    // <6>
    producer.send(message, confirmationStatus -> {
    });
// end::producer-publish-complex-message[]
}

Example 20 with Producer

use of com.rabbitmq.stream.Producer in project rabbitmq-stream-java-client by rabbitmq.

the class ProducerUsage method producerWithName.

void producerWithName() {
    Environment environment = Environment.builder().build();
    // tag::producer-with-name[]
    Producer producer = environment.producerBuilder().name(// <1>
    "my-app-producer").confirmTimeout(// <2>
    Duration.ZERO).stream("my-stream").build();
    // end::producer-with-name[]
    // tag::message-with-publishing-id[]
    Message message = producer.messageBuilder().publishingId(// <1>
    1).addData("hello".getBytes(StandardCharsets.UTF_8)).build();
    producer.send(message, confirmationStatus -> {
    });
// end::message-with-publishing-id[]
}