RabbitMQ Configuration in Spring with Annotations

MessagingConfiguration.java

@Configuration
@EnableRabbit
public class MessagingConfiguration implements RabbitListenerConfigurer {

    public static final String queueNameComputerPlayer = "microplode-newgame-event-computerplayer";
    
    @Autowired
    public ConnectionFactory connectionFactory;
 
    /*
     * We are using Annotation-Driven-Message-Listening, described here
     * http://docs.spring.io/spring-amqp/reference/htmlsingle/#async-annotation-driven
     */
    @Bean
    public SimpleRabbitListenerContainerFactory rabbitListenerContainerFactory() {
        SimpleRabbitListenerContainerFactory factory = new SimpleRabbitListenerContainerFactory();
        factory.setConnectionFactory(connectionFactory);
        factory.setConcurrentConsumers(3);
        factory.setMaxConcurrentConsumers(10);
        return factory;
    }
    
    @Bean
    public EventResultHandler eventResultHandler() {
        return new EventResultHandler();
    }
    
    @Override
    public void configureRabbitListeners(RabbitListenerEndpointRegistrar registrar) {
        registrar.setMessageHandlerMethodFactory(myHandlerMethodFactory());
    }

    @Bean
    public DefaultMessageHandlerMethodFactory myHandlerMethodFactory() {
        DefaultMessageHandlerMethodFactory factory = new DefaultMessageHandlerMethodFactory();
        factory.setMessageConverter(new MappingJackson2MessageConverter());
        return factory;
    }