private void addCompounds(Collection<Compound> compounds) { for (Compound c: compounds) { Map<Column, Cell> values = new LinkedHashMap<Column, Cell>(); addAttribute(c.getId(), ID_COLUMN, values); addAttribute(c.getName(), NAME_COLUMN, values); addAttribute(c.getCas(), CAS_COLUMN, values); addAttribute(c.getInChI(), INCHI_COLUMN, values); rows.add(new Row(c.getId(), values)); } }