To finish this chapter and highlight the benefits of the reactive persistence, let's create a data-intensive reactive application that has to communicate with a database frequently. For example, let's revisit the example from Chapter 6, WebFlux Async Non-Blocking Communication. There, we implemented an alternative read-only web frontend application for the Gitter service (https://gitter.im). The application connects to a predefined chat room and re-streams all the messages to all connected users through Server-Sent Events (SSE). Now, with new requirements, our application has to collect statistics about the most active and the most referenced users in the chat room. Our chat application may use MongoDB to store messages and user profiles. This information may also be used for statistic recalculation purposes. The...
Hands-On Reactive Programming in Spring 5
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Hands-On Reactive Programming in Spring 5
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Overview of this book
These days, businesses need a new type of system that can remain responsive at all times. This is achievable with reactive programming; however, the development of these kinds of systems is a complex task, requiring a deep understanding of the domain. In order to develop highly responsive systems, the developers of the Spring Framework came up with Project Reactor.
Hands-On Reactive Programming in Spring 5 begins with the fundamentals of Spring Reactive programming. You’ll explore the endless possibilities of building efficient reactive systems with the Spring 5 Framework along with other tools such as WebFlux and Spring Boot. Further on, you’ll study reactive programming techniques and apply them to databases and cross-server communication. You will advance your skills in scaling up Spring Cloud Streams and run independent, high-performant reactive microservices.
By the end of the book, you will be able to put your skills to use and get on board with the reactive revolution in Spring 5.1!
Table of Contents (12 chapters)
Preface
Free Chapter
Why Reactive Spring?
Reactive Programming in Spring - Basic Concepts
Reactive Streams - the New Streams' Standard
Project Reactor - the Foundation for Reactive Apps
Going Reactive with Spring Boot 2
WebFlux Async Non-Blocking Communication
Reactive Database Access
Scaling Up with Cloud Streams
Testing the Reactive Application
And, Finally, Release It!
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