package ejava.projects.edmv.blimpl;
   
   import java.util.List;
   
   import org.slf4j.Logger;
   import org.slf4j.LoggerFactory;
   
   import ejava.projects.edmv.bl.EDmvException;
   import ejava.projects.edmv.bl.PersonMgmt;
  import ejava.projects.edmv.bl.VehicleMgmt;
  import ejava.projects.edmv.bo.Person;
  import ejava.projects.edmv.bo.VehicleRegistration;
  import ejava.projects.edmv.dao.DAOException;
  import ejava.projects.edmv.dao.PersonDAO;
  import ejava.projects.edmv.dao.VehicleDAO;
  
  /**
   * This class provides a simple example of both the person and registration
   * management implementation. They were combined into a single implementation
   * class here for simplicity. They could easily be broken out into separate
   * classes as their implementation gets more complex.
   */
  public class EDmvMgmtImpl implements PersonMgmt, VehicleMgmt {
      private Logger log = LoggerFactory.getLogger(EDmvMgmtImpl.class); 
  	private PersonDAO personDAO;
  	private VehicleDAO vehicleDAO;
  	
  	public void setPersonDAO(PersonDAO personDAO) {
  		this.personDAO = personDAO;
  	}
  	public void setVehicleDAO(VehicleDAO vehicleDAO) {
  	    this.vehicleDAO = vehicleDAO;
  	}	
  
      public List<Person> getPeople(int index, int count) throws EDmvException {
          if (count < 0) {
              throw new EDmvException("count must be >= 0");
          }
          
          try {
              return personDAO.getPeople(index, count);
          }
          catch (DAOException ex) {
              log.error("error getting people", ex);
              throw new EDmvException("error getting people:" + ex);
          }
      }
      
      public List<VehicleRegistration> getRegistrations(int index, int count)
              throws EDmvException {
          if (count < 0) {
              throw new EDmvException("count must be >= 0");
          }
          
          try {
              return vehicleDAO.getRegistrations(index, count);
          }
          catch (DAOException ex) {
              log.error("error getting registrations", ex);
              throw new EDmvException("error getting registrations:" + ex);
          }
      }
  }