public string EmitCommand(object[] tupleValues, long? tupleId= null, long? taskId = null, string streamid = null) { var result = new OrderedDictionary { {WellKnownStrings.Command, WellKnownStrings.Emit}, }; if (tupleId.HasValue) { result.Add(WellKnownStrings.Id, tupleId.Value.ToString(CultureInfo.InvariantCulture)); } if (!string.IsNullOrEmpty(streamid)) { result.Add(WellKnownStrings.Stream, streamid); } if (taskId.HasValue) { result.Add(WellKnownStrings.Task, taskId.Value); } result.Add(WellKnownStrings.Tuple, tupleValues); return result.ToJson(); }