July 2016
Intermediate to advanced
490 pages
10h 54m
English
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The service layer
Just like with the DAO layer, each implementation type has its own implementation of service classes. But all of the implementations have both org.packt.academic.student.portal.service and
org.packt.academic.student.portal.service.impl packages. The purpose of the business layer is to implement business logic with the use of the DAO objects.
Implementation A – using the Spring JDBC plugin
Given the LoginService interface of the SMP as follows:
public interface LoginService {
public boolean isAdminUser(Login login);
public boolean isStudentUser(Login login);
public boolean isFacultyUser(Login login);
}
The implementation of this interface is just a typical Transactional class. A @Transactional class starts with a transaction on ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.