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

        private ODocument ParseDocument(BinaryReader reader)
        {
            ODocument document = null;

            short classId = reader.ReadInt16EndianAware();

            if (classId == -2) // NULL
            {
            }
            else if (classId == -3) // record id
            {
                ORID orid = new ORID();
                orid.ClusterId = reader.ReadInt16EndianAware();
                orid.ClusterPosition = reader.ReadInt64EndianAware();

                document = new ODocument();
                document.ORID = orid;
                document.OClassId = classId;
            }
            else
            {
                ORecordType type = (ORecordType)reader.ReadByte();

                ORID orid = new ORID();
                orid.ClusterId = reader.ReadInt16EndianAware();
                orid.ClusterPosition = reader.ReadInt64EndianAware();
                int version = reader.ReadInt32EndianAware();
                int recordLength = reader.ReadInt32EndianAware();
                byte[] rawRecord = reader.ReadBytes(recordLength);
                document = RecordSerializer.Deserialize(orid, version, type, classId, rawRecord);
            }

            return document;
        }
    }