/**
* Whether empty fields were omitted. That is, <code>omitEmptyFields</code> is set and there were
* empty fields in the ordering.
*
* @return whether empty fields were omitted.
*/
public boolean omittedEmptyFields() {
if (!omitEmptyFields) return false;
Set<Field> omittableFields = getOmittedEmptyFields();
return omitEmptyFields && omittableFields.size() > 0;
}
/**
* Get the set of fields from the filter's field ordering which were omitted due to being empty.
*
* @return the set of empty fields which were omitted from the ordering
*/
public Set<Field> getOmittedEmptyFields() {
Set<Field> empties = EnumSet.copyOf(columnOrdering.getFields());
empties.retainAll(emptyFields);
return empties;
}