@Override
public int removeAll(Filter clause) {
logger.debug("invoke removeAll on " + type.getSimpleName());
Session session = getSession();
FilterToHibernateClauseTranslator translator = new FilterToHibernateClauseTranslator();
String hql =
translator.translateToHQLDelete(clause, getSessionFactory().getClassMetadata(type));
logger.debug("hql = " + hql);
return session.createQuery(hql).executeUpdate();
}
@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();
}
}
/* (non-Javadoc)
* @see fr.certu.chouette.dao.IDaoTemplate#select(fr.certu.chouette.filter.Filter)
*/
@SuppressWarnings("unchecked")
public List<T> select(final Filter filter) {
logger.debug("invoke select on " + type.getSimpleName());
Session session = getSession();
Criteria criteria = session.createCriteria(type);
// DetachedCriteria criteria = DetachedCriteria.forClass(type);
criteria.setResultTransformer(CriteriaSpecification.DISTINCT_ROOT_ENTITY);
if (!filter.isEmpty()) {
FilterToHibernateClauseTranslator translator = new FilterToHibernateClauseTranslator();
criteria.add(
translator.translate(filter, criteria, getSessionFactory().getClassMetadata(type)));
}
if (filter.getOrderList() != null) {
for (FilterOrder order : filter.getOrderList()) {
switch (order.getType()) {
case ASC:
criteria.addOrder(Order.asc(order.getAttribute()));
break;
case DESC:
criteria.addOrder(Order.desc(order.getAttribute()));
break;
default:
break;
}
}
}
// HibernateTemplate ht = getHibernateTemplate();
List<T> beans = null;
if (filter.getLimit() > 0 || filter.getStart() > 0) {
logger.debug("call with start and/or limit");
criteria.setFirstResult(filter.getStart());
criteria.setMaxResults(filter.getLimit());
beans = criteria.list(); // ht.findByCriteria(criteria,filter.getStart(),filter.getLimit());
} else {
beans = criteria.list(); // ht.findByCriteria(criteria);
}
logger.debug(type.getSimpleName() + " founds = " + beans.size());
return beans;
}