package cz.frantovo.nekurak.dao;

 import cz.frantovo.nekurak.dto.Clanek;

 import java.util.Collection;

 import javax.ejb.LocalBean;

 import javax.ejb.Stateless;

 import javax.jms.Session;

 import javax.persistence.EntityManager;

 import javax.persistence.PersistenceContext;

 import javax.persistence.Query;

 /**

  *

  * @author fiki

  */

 @Stateless

 @LocalBean

 public class ClanekDAO {

     @PersistenceContext(unitName = DAO.PU)

     private EntityManager em;

     public Clanek getClanek(int id) {

 	return em.find(Clanek.class, id);

     }

     public Collection<Clanek> getClanky() {

 	Query dotaz = em.createQuery("FROM " + DAO.t(Clanek.class) + " c ORDER BY id");

 	return dotaz.getResultList();

     }

     public void zalozClanek(Clanek clanek) {

 	em.persist(clanek);

     }

     public void upravClanek(Clanek clanek) {

 	em.merge(clanek);

     }

     public void smazClanek(Clanek clanek) {

 	clanek = em.merge(clanek);

 	em.remove(clanek);

     }

 }