Using EJB and JPA for data caching

Knowing how to build a simple and local cache for your application is an important skill. It may have a big impact on some data access performance and is quite easy to do.

This recipe will show you how to do this.

Getting ready

Simply add a Jakarta EE dependency to your project:

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

How to do it...

You need to perform the following steps...