franta-hg@39: package cz.frantovo.nekurak.dao;
franta-hg@39: 
franta-hg@39: import cz.frantovo.nekurak.dto.Podnik;
franta-hg@39: import cz.frantovo.nekurak.ejb.PodnikDAORemote;
franta-hg@39: import java.util.Collection;
franta-hg@39: import javax.ejb.LocalBean;
franta-hg@39: import javax.ejb.Stateless;
franta-hg@39: import javax.persistence.EntityManager;
franta-hg@39: import javax.persistence.PersistenceContext;
franta-hg@39: import javax.persistence.Query;
franta-hg@39: 
franta-hg@39: /**
franta-hg@39:  *
franta-hg@39:  * @author fiki
franta-hg@39:  */
franta-hg@39: @Stateless
franta-hg@39: @LocalBean
franta-hg@39: public class PodnikDAO implements PodnikDAORemote {
franta-hg@39: 
franta-hg@39:     private static final String PU = "nekurak.net-PU";
franta-hg@39:     @PersistenceContext(unitName = PU)
franta-hg@39:     private EntityManager em;
franta-hg@39: 
franta-hg@39:     public Collection<Podnik> getPodniky() {
franta-hg@39: 	Query dotaz = em.createQuery("FROM " + t(Podnik.class) + " o ORDER BY nazev");
franta-hg@39: 	return dotaz.getResultList();
franta-hg@39:     }
franta-hg@39: 
franta-hg@40:     public void uloz(Podnik p) {
franta-hg@40: 	em.persist(p);
franta-hg@40:     }
franta-hg@40: 
franta-hg@39:     private static String t(Class trida) {
franta-hg@39: 	return trida.getSimpleName();
franta-hg@39:     }
franta-hg@39: }