page = page - 1;
Query query = pm.newQuery(Tube.class);
query.setFilter("categoryAlias=='" + alias + "' && status==1");
query.setOrdering("categoryIndex asc");
query.setRange(itemPerPage * page, itemPerPage * page + itemPerPage);
return (List<Tube>) query.execute();
}
@SuppressWarnings("unchecked")
public static List<Tube> getAllByCategory(String alias) {
initPm();