@SuppressWarnings("unchecked")
public List<Itens_Venda> listar() {
Session sessao = HibernateUtil.getSessionFactory().openSession();
List<Itens_Venda> itens = null;
try {
Query consulta = sessao.getNamedQuery("Itens_Venda.listar");
itens = consulta.list();
} catch (RuntimeException ex) {
throw ex;
} finally {
sessao.close();
}
return itens;
}
public void excluir(Itens_Venda itens_venda) {
Session sessao = HibernateUtil.getSessionFactory().openSession();
Transaction transacao = null;
try {
transacao = sessao.beginTransaction();
sessao.delete(itens_venda);
transacao.commit();
} catch (RuntimeException ex) {
if (transacao != null) {
transacao.rollback();
}
} finally {
sessao.close();
}
}
public Itens_Venda buscarPorCodigo(Long id) {
Session sessao = HibernateUtil.getSessionFactory().openSession();
Itens_Venda item = null;
try {
Query consulta = sessao.getNamedQuery("Itens_Venda.buscarPorCodigo");
consulta.setLong("id", id);
item = (Itens_Venda) consulta.uniqueResult();
} catch (RuntimeException ex) {
throw ex;
} finally {
sessao.close();
}
return item;
}