@Override
public long count(final SearchCriterion criterion) {
final String countAlias = "count";
SearchCriteriaBuilder scb = find();
if (criterion != null) {
scb.add(criterion);
}
scb.setProjection(alias(rowCount(), countAlias));
scb.addOrder(asc(countAlias));
Entity countProjection = scb.setMaxResults(1).uniqueResult();
return (Long) countProjection.getField(countAlias);
}
