Example usage for org.springframework.amqp.core ExchangeTypes FANOUT

Introduction

In this page you can find the example usage for org.springframework.amqp.core ExchangeTypes FANOUT.

Prototype

String FANOUT

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Document

Fanout exchange.

Usage

From source file:com.github.larsq.spring.embeddedamqp.SimpleAmqpMessageContainer.java

protected Address defineAddress(String exchangeName, String routingKey) {
    if (exchangeName != null && routingKey != null) {
        return new Address(ExchangeTypes.DIRECT, exchangeName, routingKey);
    }/*from  w  ww .j ava2 s.  c  o m*/

    if (exchangeName == null) {
        return new Address(ExchangeTypes.TOPIC, null, routingKey);
    }

    if (routingKey == null) {
        return new Address(ExchangeTypes.FANOUT, exchangeName, null);
    }

    //both are null
    throw new NullPointerException("both exchange and routing key cannot be null");
}

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From source file:org.springframework.amqp.rabbit.annotation.RabbitListenerAnnotationBeanPostProcessor.java

private void declareExchangeAndBinding(QueueBinding binding, String queueName) {
    org.springframework.amqp.rabbit.annotation.Exchange bindingExchange = binding.exchange();
    String exchangeName = resolveExpressionAsString(bindingExchange.value(), "@Exchange.exchange");
    Assert.isTrue(StringUtils.hasText(exchangeName), "Exchange name required; binding queue " + queueName);
    String exchangeType = resolveExpressionAsString(bindingExchange.type(), "@Exchange.type");
    String routingKey = resolveExpressionAsString(binding.key(), "@QueueBinding.key");
    Exchange exchange;/* w ww.jav a 2  s . c om*/
    Binding actualBinding;
    if (exchangeType.equals(ExchangeTypes.DIRECT)) {
        exchange = directExchange(bindingExchange, exchangeName);
        actualBinding = new Binding(queueName, DestinationType.QUEUE, exchangeName, routingKey,
                resolveArguments(binding.arguments()));
    } else if (exchangeType.equals(ExchangeTypes.FANOUT)) {
        exchange = fanoutExchange(bindingExchange, exchangeName);
        actualBinding = new Binding(queueName, DestinationType.QUEUE, exchangeName, "",
                resolveArguments(binding.arguments()));
    } else if (exchangeType.equals(ExchangeTypes.TOPIC)) {
        exchange = topicExchange(bindingExchange, exchangeName);
        actualBinding = new Binding(queueName, DestinationType.QUEUE, exchangeName, routingKey,
                resolveArguments(binding.arguments()));
    } else if (exchangeType.equals(ExchangeTypes.HEADERS)) {
        exchange = headersExchange(bindingExchange, exchangeName);
        actualBinding = new Binding(queueName, DestinationType.QUEUE, exchangeName, routingKey,
                resolveArguments(binding.arguments()));
    } else {
        throw new BeanInitializationException("Unexpected exchange type: " + exchangeType);
    }
    AbstractExchange abstractExchange = (AbstractExchange) exchange;
    abstractExchange.setInternal(resolveExpressionAsBoolean(bindingExchange.internal()));
    abstractExchange.setIgnoreDeclarationExceptions(
            resolveExpressionAsBoolean(bindingExchange.ignoreDeclarationExceptions()));
    ((AbstractDeclarable) actualBinding)
            .setIgnoreDeclarationExceptions(resolveExpressionAsBoolean(binding.ignoreDeclarationExceptions()));
    ((ConfigurableBeanFactory) this.beanFactory).registerSingleton(exchangeName + ++this.increment, exchange);
    ((ConfigurableBeanFactory) this.beanFactory)
            .registerSingleton(exchangeName + "." + queueName + ++this.increment, actualBinding);
}

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From source file:org.springframework.amqp.samples.log4j2.SpringBootAmqpAppenderApplication.java

@RabbitListener(bindings = @QueueBinding(exchange = @Exchange(value = "log4j2Sample", type = ExchangeTypes.FANOUT), value = @org.springframework.amqp.rabbit.annotation.Queue))
public void echoLogs(String logMessage) {
    System.out.println("Logs over Log4J AmqpAppender: " + logMessage);
}

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