Orient.Client.Protocol.Operations.Command.Request C# (CSharp) Method

        public Request Request(int sessionId)
        {
            Request request = new Request();
            
            // standard request fields
            request.DataItems.Add(new RequestDataItem() { Type = "byte", Data = BinarySerializer.ToArray((byte)OperationType.COMMAND) });
            request.DataItems.Add(new RequestDataItem() { Type = "int", Data = BinarySerializer.ToArray(sessionId) });
            // operation specific fields
            request.DataItems.Add(new RequestDataItem() { Type = "byte", Data = BinarySerializer.ToArray((byte)OperationMode) });

            // class name field
            string className = "x";
            switch (ClassType)
            {
                // idempotent command (e.g. select)
                case CommandClassType.Idempotent:
                    className = "com.orientechnologies.orient.core.sql.query.OSQLSynchQuery";
                    break;
                // non-idempotent command (e.g. insert)
                case CommandClassType.NonIdempotent:
                    if (!string.IsNullOrEmpty(CommandPayload.Language) && CommandPayload.Language.Equals("gremlin"))
                    {
                        className = "com.orientechnologies.orient.graph.gremlin.OCommandGremlin";
                    }
                    else
                    {
                        className = "com.orientechnologies.orient.core.sql.OCommandSQL";
                    }
                    break;
                // script command
                case CommandClassType.Script:
                    className = "com.orientechnologies.orient.core.command.script.OCommandScript";
                    break;
                default:
                    break;
            }

            // TODO: sql script case length
            request.DataItems.Add(new RequestDataItem() { Type = "int", Data = BinarySerializer.ToArray(
                //4 + // this int
                4 + // class name int length
                BinarySerializer.Length(className) + 
                4 + // limit int length
                4 + // text int length
                BinarySerializer.Length(CommandPayload.Text) + 
                4 + // fetch plant int length
                BinarySerializer.Length(CommandPayload.FetchPlan) +
                4 // serialized params int (disable)
            ) });
            request.DataItems.Add(new RequestDataItem() { Type = "string", Data = BinarySerializer.ToArray(className) });

            if (CommandPayload.Type == CommandPayloadType.SqlScript)
            {
                request.DataItems.Add(new RequestDataItem() { Type = "string", Data = BinarySerializer.ToArray(CommandPayload.Language) });
            }

            request.DataItems.Add(new RequestDataItem() { Type = "string", Data = BinarySerializer.ToArray(CommandPayload.Text) });
            request.DataItems.Add(new RequestDataItem() { Type = "int", Data = BinarySerializer.ToArray(CommandPayload.NonTextLimit) });
            request.DataItems.Add(new RequestDataItem() { Type = "string", Data = BinarySerializer.ToArray(CommandPayload.FetchPlan) });
            //request.DataItems.Add(new RequestDataItem() { Type = "bytes", Data = CommandPayload.SerializedParams });
            // HACK: 0:int means disable
            request.DataItems.Add(new RequestDataItem() { Type = "int", Data = BinarySerializer.ToArray(0) });
            
            return request;
        }