JPACrud.createCriteriaByExample does not work as expected

[cassiobastos]

No demoiselle 2.3.1, a classe JPACrud implementa o seguinte método:

private CriteriaQuery createCriteriaByExample(final T example) {
final CriteriaBuilder builder = getCriteriaBuilder();
final CriteriaQuery query = builder.createQuery(getBeanClass());
final Root entity = query.from(getBeanClass());

final List predicates = new ArrayList();
final Field[] fields = example.getClass().getDeclaredFields();

for (Field field : fields) {
if (!field.isAnnotationPresent(Column.class) && !field.isAnnotationPresent(Basic.class)
&& !field.isAnnotationPresent(Enumerated.class)) { continue; }

Object value = null;

try
{ field.setAccessible(true); value = field.get(example); }

catch (IllegalArgumentException e)
{ continue; } catch (IllegalAccessException e) { continue; }

if (value == null)
{ continue; }

final Predicate pred = builder.equal(entity.get(field.getName()), value);
predicates.add(pred);
}

return query.where(predicates.toArray(new Predicate[0])).select(entity);
}

No trecho em negrito, poderia ser incluída a anotação JoinColumn.