rabbitmq(3)routing模式

消息到达exchange后，可以根据routing来投递不同的receiver，这个例子里面receiver和sender都没有变化，唯一不同的是config。需要注意的是fanout会自动忽略routing，因此type为fanout的exchange是不支持routing模式的。
Tut4Config.java

@Profile({"tut3", "routing"})
@Configuration
public class Tut4Config {

    @Bean
    public DirectExchange direct() {
        return new DirectExchange("tut.direct");
    }

    @Profile("receiver")
    private static class ReceiverConfig {

        @Bean
        public Queue autoDeleteQueue1() {
            return new AnonymousQueue();
        }

        @Bean
        public Queue autoDeleteQueue2() {
            return new AnonymousQueue();
        }

        @Bean
        public Binding binding1a(DirectExchange direct,
                                 Queue autoDeleteQueue1) {
            return BindingBuilder.bind(autoDeleteQueue1)
                    .to(direct)
                    .with("orange");
        }

        @Bean
        public Binding binding1b(DirectExchange direct,
                                 Queue autoDeleteQueue1) {
            return BindingBuilder.bind(autoDeleteQueue1)
                    .to(direct)
                    .with("black");
        }

        @Bean
        public Binding binding2a(DirectExchange direct,
                                 Queue autoDeleteQueue2) {
            return BindingBuilder.bind(autoDeleteQueue2)
                    .to(direct)
                    .with("green");
        }

        @Bean
        public Binding binding2b(DirectExchange direct,
                                 Queue autoDeleteQueue2) {
            return BindingBuilder.bind(autoDeleteQueue2)
                    .to(direct)
                    .with("black");
        }

        @Bean
        public Tut4Receiver receiver() {
            return new Tut4Receiver();
        }
    }

    @Profile("sender")
    @Bean
    public Tut4Sender sender() {
        return new Tut4Sender();
    }
}