public <T> List<T> getAll(AType<AttrList<T>> type) {
AttrList<T> attrList = get(type);
if (attrList == null) {
return Collections.emptyList();
}
return attrList.getList();
}
public <T> void add(AType<AttrList<T>> type, T obj) {
AttrList<T> list = get(type);
if (list == null) {
list = new AttrList<T>(type);
add(list);
}
list.getList().add(obj);
}