Spring MVC Blueprints

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 ...