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

Introduction

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

Prototype

public void setPriority(Integer priority) 

Source Link

Document

Set the priority of this endpoint.

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 v a 2 s  . 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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