Example usage for org.springframework.kafka.config MethodKafkaListenerEndpoint setMessageHandlerMethodFactory

Introduction

In this page you can find the example usage for org.springframework.kafka.config MethodKafkaListenerEndpoint setMessageHandlerMethodFactory.

Prototype

public void setMessageHandlerMethodFactory(MessageHandlerMethodFactory messageHandlerMethodFactory) 

Source Link

Document

Set the MessageHandlerMethodFactory to use to build the InvocableHandlerMethod responsible to manage the invocation of this endpoint.

Usage

From source file:org.springframework.kafka.annotation.KafkaListenerAnnotationBeanPostProcessor.java

protected void processListener(MethodKafkaListenerEndpoint<?, ?> endpoint, KafkaListener kafkaListener,
        Object bean, Object adminTarget, String beanName) {
    endpoint.setBean(bean);//from  ww  w. ja  v  a  2  s .  c  o m
    endpoint.setMessageHandlerMethodFactory(this.messageHandlerMethodFactory);
    endpoint.setId(getEndpointId(kafkaListener));
    endpoint.setTopicPartitions(resolveTopicPartitions(kafkaListener));
    endpoint.setTopics(resolveTopics(kafkaListener));
    endpoint.setTopicPattern(resolvePattern(kafkaListener));
    String group = kafkaListener.group();
    if (StringUtils.hasText(group)) {
        Object resolvedGroup = resolveExpression(group);
        if (resolvedGroup instanceof String) {
            endpoint.setGroup((String) resolvedGroup);
        }
    }

    KafkaListenerContainerFactory<?> factory = null;
    String containerFactoryBeanName = resolve(kafkaListener.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, KafkaListenerContainerFactory.class);
        } catch (NoSuchBeanDefinitionException ex) {
            throw new BeanInitializationException(
                    "Could not register Kafka listener endpoint on [" + adminTarget + "] for bean " + beanName
                            + ", no " + KafkaListenerContainerFactory.class.getSimpleName() + " with id '"
                            + containerFactoryBeanName + "' was found in the application context",
                    ex);
        }
    }

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

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