@Override
public Term fromJSONObject(Object parsed) throws MarshalException {
if (parsed instanceof String) parsed = Json.decodeJson((String) parsed);
if (!(parsed instanceof List))
throw new MarshalException(
String.format(
"Expected a list (representing a set), but got a %s: %s",
parsed.getClass().getSimpleName(), parsed));
List list = (List) parsed;
Set<Term> terms = new HashSet<>(list.size());
for (Object element : list) {
if (element == null) throw new MarshalException("Invalid null element in set");
terms.add(elements.fromJSONObject(element));
}
return new Sets.DelayedValue(elements, terms);
}
static int compareListOrSet(AbstractType<?> elementsComparator, ByteBuffer o1, ByteBuffer o2) {
// Note that this is only used if the collection is inside an UDT
if (!o1.hasRemaining() || !o2.hasRemaining())
return o1.hasRemaining() ? 1 : o2.hasRemaining() ? -1 : 0;
ByteBuffer bb1 = o1.duplicate();
ByteBuffer bb2 = o2.duplicate();
int size1 = CollectionSerializer.readCollectionSize(bb1, 3);
int size2 = CollectionSerializer.readCollectionSize(bb2, 3);
for (int i = 0; i < Math.min(size1, size2); i++) {
ByteBuffer v1 = CollectionSerializer.readValue(bb1, 3);
ByteBuffer v2 = CollectionSerializer.readValue(bb2, 3);
int cmp = elementsComparator.compare(v1, v2);
if (cmp != 0) return cmp;
}
return size1 == size2 ? 0 : (size1 < size2 ? -1 : 1);
}
private ListType(AbstractType<T> elements) {
super(Kind.LIST);
this.elements = elements;
this.serializer = ListSerializer.getInstance(elements.getSerializer());
}
public SetType(AbstractType<T> elements, boolean isMultiCell) {
super(ComparisonType.CUSTOM, Kind.SET);
this.elements = elements;
this.serializer = SetSerializer.getInstance(elements.getSerializer(), elements);
this.isMultiCell = isMultiCell;
}