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);

    }

}