// methods
private CursorBatch <TDocument> ExecuteProtocol(IChannelHandle channel, BsonDocument wrappedQuery, bool slaveOk, CancellationToken cancellationToken)
{
var firstBatchSize = QueryHelper.CalculateFirstBatchSize(_limit, _firstBatchSize ?? _batchSize);
return(channel.Query <TDocument>(
_collectionNamespace,
wrappedQuery,
_projection,
NoOpElementNameValidator.Instance,
_skip ?? 0,
firstBatchSize,
slaveOk,
_allowPartialResults ?? false,
_noCursorTimeout ?? false,
_oplogReplay ?? false,
_cursorType != CursorType.NonTailable, // tailable
_cursorType == CursorType.TailableAwait, //await data
_resultSerializer,
_messageEncoderSettings,
cancellationToken));
}
private IReadOnlyList <BsonDocument> GetFirstBatchUsingQueryMessage(IChannelHandle channel, BsonDocument query, int batchSize, CancellationToken cancellationToken, out long cursorId)
{
var result = channel.Query(
_collectionNamespace,
query,
null, // fields
NoOpElementNameValidator.Instance,
0, // skip
batchSize,
false, // slaveOk
false, // partialOk
false, // noCursorTimeout
false, // oplogReplay
false, // tailableCursor
false, // awaitData
BsonDocumentSerializer.Instance,
_messageEncoderSettings,
cancellationToken);
cursorId = result.CursorId;
return(result.Documents);
}