// consultar por idPolicial
public List<Alteracao> consultarPorIdPolicial(Integer id) {
CriteriaBuilder builder = Banco.getInstance().getEntityManager().getCriteriaBuilder();
CriteriaQuery<Alteracao> query = builder.createQuery(Alteracao.class);
Root<Alteracao> root = query.from(Alteracao.class);
Predicate pred = builder.equal(root.get("idpolicial"), id);
query.select(root);
query.where(pred);
TypedQuery<Alteracao> tpQuery = Banco.getInstance().getEntityManager().createQuery(query);
List<Alteracao> list = tpQuery.getResultList();
return list;
}
private EntityManager getEntityManager() {
return Banco.getInstance().getEntityManager();
}