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 it is quite easy to do.

This recipe will show you how.

Getting ready

Simply add a Java EE dependency to your project:

        <dependency>
            <groupId>javax</groupId>
            <artifactId>javaee-web-api</artifactId>
            <version>7.0</version>
            <scope>provided</scope>
        </dependency>

How to do it...

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