void _addToQueryObject(DBObject query, String field, DBObject thing, boolean sendEmpty) {
if (thing == null) return;
if (!sendEmpty && thing.keySet().size() == 0) return;
_addToQueryObject(query, field, thing);
}
private void _check() throws MongoException {
if (_it != null) return;
if (_collection != null && _query != null) {
_lookForHints();
DBObject foo = _query;
if (hasSpecialQueryFields()) {
foo = _specialFields == null ? new BasicDBObject() : _specialFields;
_addToQueryObject(foo, "query", _query, true);
_addToQueryObject(foo, "orderby", _orderBy, false);
if (_hint != null) _addToQueryObject(foo, "$hint", _hint);
if (_hintDBObj != null) _addToQueryObject(foo, "$hint", _hintDBObj);
if (_explain) foo.put("$explain", true);
if (_snapshot) foo.put("$snapshot", true);
}
_it =
_collection.__find(
foo,
_keysWanted,
_skip,
_batchSize,
_limit,
_options,
_readPref,
_decoderFact.create());
}
if (_it == null) {
_it = (new LinkedList<DBObject>()).iterator();
_fake = true;
}
}
