import java.rmi.RemoteException; import java.util.Collection; import javax.ejb.CreateException; import javax.ejb.EJBHome; import javax.ejb.FinderException; import javax.ejb.RemoveException; /** This is the Home interface of the Region Bean */ public interface RegionHome extends EJBHome { /** * This method is used to create a new Region Bean. Note that the region * id is automatically generated by the database (AUTO_INCREMENT) on the * primary key. * * @param name Region name * * @return pk primary key set to null */ public Region create(String name) throws CreateException, RemoteException, RemoveException; /** * This method is used to retrieve a Region Bean from its primary key, * that is to say its id. * * @param id Region id (primary key) * * @return the Region if found else null */ public Region findByPrimaryKey(RegionPK id) throws FinderException, RemoteException; /** * This method is used to retrieve a Region Bean from its name. * * @param name Region name * * @return the Region if found else null */ public Region findByName(String name) throws FinderException, RemoteException; /** * This method is used to retrieve all categories from the database! * * @return List of all categories (eventually empty) */ public Collection findAll() throws RemoteException, FinderException; }