Example usage for org.springframework.amqp.rabbit.listener MethodRabbitListenerEndpoint setExclusive

Introduction

In this page you can find the example usage for org.springframework.amqp.rabbit.listener MethodRabbitListenerEndpoint setExclusive.

Prototype

public void setExclusive(boolean exclusive) 

Source Link

Document

Set if a single consumer in the container will have exclusive use of the queues, preventing other consumers from receiving messages from the queue(s).

Usage

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

protected void processListener(MethodRabbitListenerEndpoint endpoint, RabbitListener rabbitListener,
        Object bean, Object adminTarget, String beanName) {
    endpoint.setBean(bean);/*from  w  w  w .  j a va2s .  c  o m*/
    endpoint.setMessageHandlerMethodFactory(this.messageHandlerMethodFactory);
    endpoint.setId(getEndpointId(rabbitListener));
    endpoint.setQueueNames(resolveQueues(rabbitListener));
    String group = rabbitListener.group();
    if (StringUtils.hasText(group)) {
        Object resolvedGroup = resolveExpression(group);
        if (resolvedGroup instanceof String) {
            endpoint.setGroup((String) resolvedGroup);
        }
    }

    endpoint.setExclusive(rabbitListener.exclusive());
    String priority = resolve(rabbitListener.priority());
    if (StringUtils.hasText(priority)) {
        try {
            endpoint.setPriority(Integer.valueOf(priority));
        } catch (NumberFormatException ex) {
            throw new BeanInitializationException(
                    "Invalid priority value for " + rabbitListener + " (must be an integer)", ex);
        }
    }

    String rabbitAdmin = resolve(rabbitListener.admin());
    if (StringUtils.hasText(rabbitAdmin)) {
        Assert.state(this.beanFactory != null, "BeanFactory must be set to resolve RabbitAdmin by bean name");
        try {
            endpoint.setAdmin(this.beanFactory.getBean(rabbitAdmin, RabbitAdmin.class));
        } catch (NoSuchBeanDefinitionException ex) {
            throw new BeanInitializationException("Could not register rabbit listener endpoint on ["
                    + adminTarget + "], no " + RabbitAdmin.class.getSimpleName() + " with id '" + rabbitAdmin
                    + "' was found in the application context", ex);
        }
    }

    RabbitListenerContainerFactory<?> factory = null;
    String containerFactoryBeanName = resolve(rabbitListener.containerFactory());
    if (StringUtils.hasText(containerFactoryBeanName)) {
        Assert.state(this.beanFactory != null,
                "BeanFactory must be set to obtain container factory by bean name");
        try {
            factory = this.beanFactory.getBean(containerFactoryBeanName, RabbitListenerContainerFactory.class);
        } catch (NoSuchBeanDefinitionException ex) {
            throw new BeanInitializationException(
                    "Could not register rabbit listener endpoint on [" + adminTarget + "] for bean " + beanName
                            + ", no " + RabbitListenerContainerFactory.class.getSimpleName() + " with id '"
                            + containerFactoryBeanName + "' was found in the application context",
                    ex);
        }
    }

    this.registrar.registerEndpoint(endpoint, factory);
}

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