org.springframework.amqp.core.ExchangeBuilder Java Examples

The following examples show how to use org.springframework.amqp.core.ExchangeBuilder. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: RabbitExchangeQueueProvisioner.java    From spring-cloud-stream-binder-rabbit with Apache License 2.0 6 votes vote down vote up
private Exchange buildExchange(RabbitCommonProperties properties,
		String exchangeName) {
	try {
		ExchangeBuilder builder = new ExchangeBuilder(exchangeName,
				properties.getExchangeType());
		builder.durable(properties.isExchangeDurable());
		if (properties.isExchangeAutoDelete()) {
			builder.autoDelete();
		}
		if (properties.isDelayedExchange()) {
			builder.delayed();
		}
		return builder.build();
	}
	catch (Exception e) {
		throw new ProvisioningException("Failed to create exchange object", e);
	}
}
 
Example #2
Source File: RabbitTemplateMessageQueueFactory.java    From elasticactors with Apache License 2.0 5 votes vote down vote up
private void ensureQueueExists(String queueName) {
    // ensure we have the queue created on the broker
    Queue queue = QueueBuilder.durable(queueName).build();
    amqpAdmin.declareQueue(queue);
    // and bound to the exchange
    DirectExchange exchange = ExchangeBuilder.directExchange(exchangeName).build();
    amqpAdmin.declareBinding(BindingBuilder.bind(queue).to(exchange).with(queueName));
}
 
Example #3
Source File: AmqpConfiguration.java    From ESarch with Apache License 2.0 4 votes vote down vote up
@Bean
public Exchange eventsExchange() {
    return ExchangeBuilder.topicExchange("trading-engine-events").build();
}
 
Example #4
Source File: AmqpMessageBrokerConfiguration.java    From piper with Apache License 2.0 4 votes vote down vote up
@Bean
Exchange tasksExchange () {
  return ExchangeBuilder.directExchange(Exchanges.TASKS)
                        .durable(true)
                        .build();
}
 
Example #5
Source File: AmqpMessageBrokerConfiguration.java    From piper with Apache License 2.0 4 votes vote down vote up
@Bean
Exchange controlExchange () {
  return ExchangeBuilder.fanoutExchange(Exchanges.CONTROL)
                        .durable(true)
                        .build();
}
 
Example #6
Source File: RabbitExchangeQueueProvisioner.java    From spring-cloud-stream-binder-rabbit with Apache License 2.0 4 votes vote down vote up
/**
 * If so requested, declare the DLX/DLQ and bind it. The DLQ is bound to the DLX with
 * a routing key of the original queue name because we use default exchange routing by
 * queue name for the original message.
 * @param baseQueueName The base name for the queue (including the binder prefix, if
 * any).
 * @param routingKey The routing key for the queue.
 * @param properties the properties.
 */
private void autoBindDLQ(final String baseQueueName, String routingKey,
		RabbitCommonProperties properties) {
	boolean autoBindDlq = properties.isAutoBindDlq();
	if (this.logger.isDebugEnabled()) {
		this.logger.debug("autoBindDLQ=" + autoBindDlq + " for: " + baseQueueName);
	}
	if (autoBindDlq) {
		String dlqName;
		if (properties.getDeadLetterQueueName() == null) {
			dlqName = constructDLQName(baseQueueName);
		}
		else {
			dlqName = properties.getDeadLetterQueueName();
		}
		Queue dlq = new Queue(dlqName, true, false, false,
				queueArgs(dlqName, properties, true));
		declareQueue(dlqName, dlq);
		String dlxName = deadLetterExchangeName(properties);
		if (properties.isDeclareDlx()) {
			declareExchange(dlxName,
					new ExchangeBuilder(dlxName,
							properties.getDeadLetterExchangeType()).durable(true)
									.build());
		}
		Map<String, Object> arguments = new HashMap<>(properties.getDlqBindingArguments());
		Binding dlqBinding = new Binding(dlq.getName(), DestinationType.QUEUE,
				dlxName, properties.getDeadLetterRoutingKey() == null ? routingKey
						: properties.getDeadLetterRoutingKey(),
				arguments);
		declareBinding(dlqName, dlqBinding);
		if (properties instanceof RabbitConsumerProperties
				&& ((RabbitConsumerProperties) properties).isRepublishToDlq()) {
			/*
			 * Also bind with the base queue name when republishToDlq is used, which
			 * does not know about partitioning
			 */
			declareBinding(dlqName, new Binding(dlq.getName(), DestinationType.QUEUE,
					dlxName, baseQueueName, arguments));
		}
	}
}
 
Example #7
Source File: RabbitConfig.java    From POC with Apache License 2.0 4 votes vote down vote up
@Bean
Exchange ordersExchange() {
	return ExchangeBuilder.topicExchange(EXCHANGE_ORDERS).build();
}
 
Example #8
Source File: AmqpReactiveController.java    From tutorials with MIT License 4 votes vote down vote up
@PostConstruct
public void setupTopicDestinations() {

    // For topic each consumer will have its own Queue, so no binding
    destinationsConfig.getTopics()
      .forEach((key, destination) -> {

            log.info("[I98] Creating TopicExchange: name={}, exchange={}", key, destination.getExchange());

            Exchange ex = ExchangeBuilder.topicExchange(destination.getExchange())
                .durable(true)
                .build();

            amqpAdmin.declareExchange(ex);

            log.info("[I107] Topic Exchange successfully created.");

        });
}
 
Example #9
Source File: AmqpReactiveController.java    From tutorials with MIT License 4 votes vote down vote up
private Queue createTopicQueue(DestinationsConfig.DestinationInfo destination) {

        Exchange ex = ExchangeBuilder.topicExchange(destination.getExchange())
          .durable(true)
          .build();

        amqpAdmin.declareExchange(ex);

        Queue q = QueueBuilder.nonDurable()
          .build();

        amqpAdmin.declareQueue(q);

        Binding b = BindingBuilder.bind(q)
          .to(ex)
          .with(destination.getRoutingKey())
          .noargs();

        amqpAdmin.declareBinding(b);

        return q;
    }
 
Example #10
Source File: AmqpReactiveController.java    From tutorials with MIT License 3 votes vote down vote up
@PostConstruct
public void setupQueueDestinations() {

    log.info("[I48] Creating Destinations...");

    destinationsConfig.getQueues()
        .forEach((key, destination) -> {

            log.info("[I54] Creating directExchange: key={}, name={}, routingKey={}", key, destination.getExchange(), destination.getRoutingKey());

            Exchange ex = ExchangeBuilder.directExchange(destination.getExchange())
                .durable(true)
                .build();

            amqpAdmin.declareExchange(ex);

            Queue q = QueueBuilder.durable(destination.getRoutingKey())
                .build();

            amqpAdmin.declareQueue(q);

            Binding b = BindingBuilder.bind(q)
                .to(ex)
                .with(destination.getRoutingKey())
                .noargs();

            amqpAdmin.declareBinding(b);

            log.info("[I70] Binding successfully created.");

        });
}