// clause 2.4.2.2 (dot 8.2)
Stock s = new Stock();
s.setS_i_id(ol_i_id);
s.setS_w_id(ol_supply_w_id);
found = s.load(basicCache);
if (!found) throw new ElementNotFoundException("I_ID=" + ol_i_id + " not found!");
s_quantity = s.getS_quantity();
stockQuantities[ol_number - 1] = s_quantity;