public void visit(Object obj, LinkField lnk) {
if (lnk instanceof ManyManyLinkField) {
ManyManyLinkField mm = (ManyManyLinkField) lnk;
Entity<?> en = opt.makeEntity(mm.getRelationName(), map);
Pojo pojo = opt.maker().makeUpdate(en, null);
pojo.setOperatingObject(map);
pojo.append(items);
opt.add(pojo);
}
}