spring-five-functional-reactive

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= Spring 5 - Functional, reactive web example

This repository contains the sample code for Spring WebFlux's functional web API and consists of the following building blocks:

== A sample for Spring WebFlux

1. An Event domain type and a corresponding repository exposing a tailable query method.
2. An ApplicationRunner that creates a capped collection for events and inserts a new one every two seconds.
3. A Spring WebFlux controller to produce both a Server-Sent Events and JSON stream.

== A sample for Spring WebFlux.fn

1. A User domain type and a reactive repository mapped using Spring Data MongoDB.
2. A FunctionalWebController to contain handler functions.
3. An @Bean-Definition for a RouterFunction that uses the functional API to configure the mappings of requests to the FunctionalWebController.

== How to run the sample

$ git clone https://github.com/olivergierke/spring-five-functional-reactive
$ cd spring-five-functional-reactive
$ ./mvnw spring-boot:run

# To see the events inserted on the server streaming to the client
$ curl -H "Accept: text/event-stream" http://localhost:8080/events

# To trigger the functional controller
$ curl http://localhost:8080/users