Spring boot 2.0 reactive bits (June 2018)
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The document discusses Reactive Spring, which allows building reactive applications on Spring Framework 5.0 using a non-blocking and asynchronous model. It highlights features like Reactive WebFlux for building reactive web applications, support for reactive streams specifications, integration with reactive libraries like Reactor and RxJava, and reactive versions of Spring components like security and actuator endpoints. The document also provides demos and examples of building reactive applications with Spring.
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Spring boot 2.0 reactive bits (June 2018)
- 1. REACTIVE SPRING SPRING BOOT 2 ❤ REACTOR @smaldini @madhurabhave23
- 2. SHIPS WITH SPRING FRAMEWORK 5.0
- 4. WHY REACTIVE SPRING? SERVLET STACK ✅
- 5. WHY REACTIVE SPRING? 🐌 Gateway Service 2 Service 1 DB Service 1 Service 2Gateway
- 6. DEMO
- 7. WHY REACTIVE SPRING? 🐌 Gateway Service 2 Service 1 DB Service 1 Service 2Gateway
- 8. 🐌 Service 1 Service 2Gateway 😱 Gateway Service 2 Service 1 DB WHY REACTIVE SPRING? TRY REACTIVE STACK 👍
- 11. REQUEST RESPONSE NON - BLOCKING I/O EVENT LOOP
- 12. READ, WRITE, CLOSE AND MORE BECOME EVENTS Event Driven Requests IO Event Register Complete Intensive Op
- 16. Slow client (mobile network) backend call app timers What drives request(n) ? combining backend calls
- 17. GETTING REACTIVE WITH REACTOR
- 18. rxjava 1.x reactor 2.x reactive streams common rxjava 2.x reactor 3.x reactive-streams rx 😎 spring 🍷🍷🍷 🍷
- 22. FLUX<T>MONO<T>
- 23. DEMO
- 24. SPRING FRAMEWORK 5.0 FOR KOOL KIDS
- 25. WEBFLUX.FN: FUNCTIONAL ROUTING RouterFunction<?> route = route(GET("/person/{id}"), request -> { Mono<Person> person = Mono.justOrEmpty(request.pathVariable("id")) .map(Integer::valueOf) .then(repository::getPerson); return ServerResponse.ok().body(fromPublisher(person, Person.class)); }) .and(route(POST("/person"), request -> { Mono<Person> person = request.body(toMono(Person.class)); return ServerResponse.ok().build(repository.savePerson(person)); })); TRY IT IN KOTLIN 👍
- 26. METRICS SUPPORT WITH MICROMETER
- 27. MICROMETER PROVIDED BY SPRING BOOT ▸ Auto-configuration for metrics instrumentation library - Micrometer ▸ Hierarchical metrics replaced by dimensional metrics ▸ Facade over multiple monitoring systems
- 28. REACTIVE ACTUATOR ENDPOINTS ▸ Works with Spring WebFlux ▸ Reactive Health Indicators
- 29. DEMO
- 31. REACTIVE SECURITY ▸ Non-Blocking authentication support ▸ Reactive method security ▸ Auto-configuration for Spring WebFlux security ▸ Convenient security request matchers for reactive actuator endpoints
- 32. DEMO
- 33. BUILD, SECURE AND MONITOR EFFICIENT APPLICATIONS
- 34. AND THERE IS MORE (NEXT TIME MAYBE!) ▸ Spring Data Reactive ▸ Spring Cloud Reactive ▸ Reactive messaging (rabbitmq, kafka, grpc, rsocket…)