Practical JSF in Java EE 8: Web Applications ​in Java for the Enterprise

© Michael Müller 2018

Michael MüllerPractical JSF in Java EE 8 https://doi.org/10.1007/978-1-4842-3030-5_29

29. Data Facade

Michael Müller¹ 

(1)

Brühl, Nordrhein-Westfalen, Germany

 

For Books, we used a simple service to store an entity. Each service derived an abstract service class and provided the class of the given entity. Although this approach was quite easy, it needed a concrete service for each entity.

Alumni is a bigger application, and it uses many entities. Some entities are related and can be grouped together. During the registration process, for example, Alumni creates an Account object. A message is sent to the user who follows an activation link. After this activation, the account is activated. We want to access the Account as well as ...