Building reactive applications using asynchronous session beans

Session beans can also become reactive and event driven just by using annotations. This recipe will show you 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. First, we create a User POJO:

public class User implements Serializable{

    private...