@Override
public Cursor findFirstOrLast(Session session, boolean first) {
TransactionMap<Value, Value> map = getMap(session);
Value v = first ? map.firstKey() : map.lastKey();
if (v == null) {
return new MVStoreCursor(session, Collections.<Value>emptyList().iterator(), 0);
}
long key = v.getLong();
MVStoreCursor cursor =
new MVStoreCursor(session, Arrays.asList((Value) ValueLong.get(key)).iterator(), key);
cursor.next();
return cursor;
}
@Override
public Cursor findFirstOrLast(Session session, boolean first) {
TransactionMap<Value, Value> map = getMap(session);
ValueLong v = (ValueLong) (first ? map.firstKey() : map.lastKey());
if (v == null) {
return new MVStoreCursor(
session, Collections.<Entry<Value, Value>>emptyList().iterator(), null);
}
Value value = map.get(v);
Entry<Value, Value> e = new DataUtils.MapEntry<Value, Value>(v, value);
@SuppressWarnings("unchecked")
List<Entry<Value, Value>> list = Arrays.asList(e);
MVStoreCursor c = new MVStoreCursor(session, list.iterator(), v);
c.next();
return c;
}