Introducing Spring Cloud Streaming

Spring Cloud Stream is a framework to build message-driven microservice applications. It abstracts away the message producer and consumer code from message-broker-specific implementations. Spring Cloud Stream provides input and output channels to service communications to the outside world. Spring Cloud Stream is created on top of Spring Boot, it can create a standalone and production-grade applications.Spring Integration provides the message broker's connectivity to the Spring Cloud Stream. Message brokers, such as Kafka and RabbitMQ, can be added easily by just injecting a binding dependency to the code of your application.

Let's see the Maven dependency for Spring Cloud Stream:

<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-stream-reactive</artifactId>
</dependency>

In the preceding Maven dependency, we have added the Spring Cloud Stream dependency reactive model. Let's see how to enable...