/**
* Creates a copy of an existing database cursor. The new cursor is an iterator, even if the
* original was an array.
*
* @return the new cursor
*/
public DBCursor copy() {
DBCursor c = new DBCursor(_collection, _query, _keysWanted, _readPref);
c._orderBy = _orderBy;
c._hint = _hint;
c._hintDBObj = _hintDBObj;
c._limit = _limit;
c._skip = _skip;
c._options = _options;
c._batchSize = _batchSize;
c._snapshot = _snapshot;
c._explain = _explain;
if (_specialFields != null) c._specialFields = new BasicDBObject(_specialFields.toMap());
return c;
}
