@SpringBootApplication

public class CloudStreamDemoApplication {

​

    public static void main(String[] args) {

        SpringApplication.run(CloudStreamDemoApplication.class, args);

    }

​

    @Bean

    public Supplier<Flux<Long>> producer(){

        return () -> Flux.interval(Duration.ofSeconds(1))

                            .log();

    }

​

    @Bean

    public Function<Flux<Long>, Flux<Long>> processor(){

        return longFlux -> longFlux

                .map(i -> i * i)

                .log();

    }

​

    @Bean

    public Consumer<Long> consumer(){

        return (i) -> {

            System.out.println("Consumer Received : " + i);

        };

    }

​

}

​