// methods
internal BsonDocument CreateCommand(SemanticVersion serverVersion)
{
_readConcern.ThrowIfNotSupported(serverVersion);
return(new BsonDocument
{
{ "parallelCollectionScan", _collectionNamespace.CollectionName },
{ "numCursors", _numberOfCursors },
{ "readConcern", _readConcern.ToBsonDocument(), !_readConcern.IsServerDefault }
});
}
/// <inheritdoc/>
protected internal override BsonDocument CreateCommand(SemanticVersion serverVersion)
{
_readConcern.ThrowIfNotSupported(serverVersion);
var command = base.CreateCommand(serverVersion);
if (!_readConcern.IsServerDefault)
{
command["readConcern"] = _readConcern.ToBsonDocument();
}
return(command);
}
// private methods
internal BsonDocument CreateCommand(SemanticVersion serverVersion)
{
_readConcern.ThrowIfNotSupported(serverVersion);
return(new BsonDocument
{
{ "distinct", _collectionNamespace.CollectionName },
{ "key", _fieldName },
{ "query", _filter, _filter != null },
{ "maxTimeMS", () => _maxTime.Value.TotalMilliseconds, _maxTime.HasValue },
{ "readConcern", () => _readConcern.ToBsonDocument(), !_readConcern.IsServerDefault }
});
}
internal BsonDocument CreateCommand(SemanticVersion serverVersion)
{
_readConcern.ThrowIfNotSupported(serverVersion);
return(new BsonDocument
{
{ "geoSearch", _collectionNamespace.CollectionName },
{ "near", _near, _near != null },
{ "limit", () => _limit.Value, _limit.HasValue },
{ "maxDistance", () => _maxDistance.Value, _maxDistance.HasValue },
{ "search", _search, _search != null },
{ "maxTimeMS", () => _maxTime.Value.TotalMilliseconds, _maxTime.HasValue },
{ "readConcern", _readConcern.ToBsonDocument(), !_readConcern.IsServerDefault }
});
}
private IReadOperation <IAsyncCursor <TDocument> > CreateOperation(SemanticVersion serverVersion)
{
var hasExplainModifier = _modifiers != null && _modifiers.Contains("$explain");
if (SupportedFeatures.IsFindCommandSupported(serverVersion) && !hasExplainModifier)
{
return(CreateFindCommandOperation());
}
else
{
// this is here because FindOpcodeOperation doesn't support
// read concern
_readConcern.ThrowIfNotSupported(serverVersion);
return(CreateFindOpcodeOperation());
}
}
internal BsonDocument CreateCommand(SemanticVersion serverVersion)
{
_readConcern.ThrowIfNotSupported(serverVersion);
return(new BsonDocument
{
{ "geoNear", _collectionNamespace.CollectionName },
{ "near", _near, _near != null },
{ "limit", () => _limit.Value, _limit.HasValue },
{ "maxDistance", () => _maxDistance.Value, _maxDistance.HasValue },
{ "query", _filter, _filter != null },
{ "spherical", () => _spherical.Value, _spherical.HasValue },
{ "distanceMultiplier", () => _distanceMultiplier.Value, _distanceMultiplier.HasValue },
{ "includeLocs", () => _includeLocs.Value, _includeLocs.HasValue },
{ "uniqueDocs", () => _uniqueDocs.Value, _uniqueDocs.HasValue },
{ "maxTimeMS", () => _maxTime.Value.TotalMilliseconds, _maxTime.HasValue },
{ "readConcern", _readConcern.ToBsonDocument(), !_readConcern.IsServerDefault }
});
}
// methods
private BsonDocument CreateCommand(ServerDescription serverDescription, ReadPreference readPreference)
{
_readConcern.ThrowIfNotSupported(serverDescription.Version);
var firstBatchSize = _firstBatchSize ?? (_batchSize > 0 ? _batchSize : null);
var readPreferenceDocument = QueryHelper.CreateReadPreferenceDocument(serverDescription.Type, readPreference);
var isShardRouter = serverDescription.Type == ServerType.ShardRouter;
var command = new BsonDocument
{
{ "find", _collectionNamespace.CollectionName },
{ "filter", _filter, _filter != null },
{ "sort", _sort, _sort != null },
{ "projection", _projection, _projection != null },
{ "hint", _hint, _hint != null },
{ "skip", () => _skip.Value, _skip.HasValue },
{ "limit", () => Math.Abs(_limit.Value), _limit.HasValue&& _limit != 0 },
{ "batchSize", () => firstBatchSize.Value, firstBatchSize.HasValue },
{ "singleBatch", () => _limit < 0 || _singleBatch.Value, _limit < 0 || _singleBatch.HasValue },
{ "comment", _comment, _comment != null },
{ "maxScan", () => _maxScan.Value, _maxScan.HasValue },
{ "maxTimeMS", () => _maxTime.Value.TotalMilliseconds, _maxTime.HasValue },
{ "readPreference", readPreferenceDocument, readPreferenceDocument != null },
{ "max", _max, _max != null },
{ "min", _min, _min != null },
{ "returnKey", () => _returnKey.Value, _returnKey.HasValue },
{ "showRecordId", () => _showRecordId.Value, _showRecordId.HasValue },
{ "snapshot", () => _snapshot.Value, _snapshot.HasValue },
{ "tailable", true, _cursorType == CursorType.Tailable || _cursorType == CursorType.TailableAwait },
{ "oplogReplay", () => _oplogReplay.Value, _oplogReplay.HasValue },
{ "noCursorTimeout", () => _noCursorTimeout.Value, _noCursorTimeout.HasValue },
{ "awaitData", true, _cursorType == CursorType.TailableAwait },
{ "allowPartialResults", () => _allowPartialResults.Value, _allowPartialResults.HasValue&& isShardRouter },
{ "readConcern", () => _readConcern.ToBsonDocument(), !_readConcern.IsServerDefault }
};
return(command);
}
