The EclipseLink Employee example is used to illustrate basic usage of JPA. Instructions for running the examples are available here:
http://wiki.eclipse.org/EclipseLink/Examples/JPA/Employee
The employee model mapped using JPA annotations.
Simple JSF application that leverages the employee.model.
This is a Thin Server Architecture version of the Employee web application leveraging EclipseLink JPA-RS on the server and a HTML5/JavaScript based client.