@Override
public long count(Filter clause) {
if (clause == null) clause = Filter.getNewEmptyFilter();
Session session = getSession();
FilterToHibernateClauseTranslator translator = new FilterToHibernateClauseTranslator();
String hql = translator.translateToHQLCount(clause, getSessionFactory().getClassMetadata(type));
logger.debug("hql = " + hql);
if (translator.getValues().isEmpty())
return ((Long) session.createQuery(hql).uniqueResult()).longValue();
else {
Query query = session.createQuery(hql);
int pos = 0;
for (Object value : translator.getValues()) {
query.setParameter(pos++, value);
}
return ((Long) query.uniqueResult()).longValue();
}
}
