Building reactive applications using websockets

Websockets are a great way to create decoupled communication channels for your applications. Doing it asynchronously is even better and cooler for non-blocking features.

This recipe will show how to do it.

Getting ready

Let's first add our Java EE 8 dependency:

    <dependency>
        <groupId>javax</groupId>
        <artifactId>javaee-api</artifactId>
        <version>8.0</version>
        <scope>provided</scope>
    </dependency>

How to do it...

1. The first thing...