Exemple #1
0
        /// <summary>
        /// Converts CLR row data into ErlTuple
        /// </summary>
        public ErlTuple RowToErlTuple(Row row, bool keysOnly = false)
        {
            var result = new ErlTuple();

            result.Add(new ErlAtom(row.Schema.Name));

            var keys = new List <IErlObject>();

            foreach (var def in row.Schema)
            {
                var atr = def[m_Store.TargetName];

                if (keysOnly && !atr.Key)
                {
                    break;
                }

                if (keys != null && !atr.Key)
                {
                    if (keys.Count > 1)
                    {
                        result.Add(new ErlTuple(keys, false));
                    }
                    else
                    {
                        foreach (var key in keys)
                        {
                            result.Add(key);
                        }
                    }
                    keys = null;
                }


                IErlObject erlValue = ErlAtom.Undefined;

                var clrValue = row.GetFieldValue(def);
                if (clrValue != null)
                {
                    Func <object, IErlObject> fconv;
                    if (!CLR_TO_ERL_TYPEMAP.TryGetValue(atr.BackendType, out fconv))
                    {
                        throw new ErlDataAccessException(StringConsts.ERL_DS_INTERNAL_MAPPING_ERROR + "erltype'{0}' not matched in the dict".Args(atr.BackendType));
                    }

                    erlValue = fconv(clrValue);
                }

                if (keys != null)
                {
                    keys.Add(erlValue);
                }
                else
                {
                    result.Add(erlValue);
                }
            }

            if (keys != null)
            {
                if (keys.Count > 1)
                {
                    result.Add(new ErlTuple(keys, false));
                }
                else
                {
                    foreach (var key in keys)
                    {
                        result.Add(key);
                    }
                }
            }

            return(result);
        }
Exemple #2
0
        /// <summary>
        /// Converts CLR row data into ErlTuple
        /// </summary>
        public ErlTuple RowToErlTuple(Row row, bool keysOnly = false)
        {
            var result = new ErlTuple();

            result.Add(new ErlAtom(row.Schema.Name));

            var keys = new List <IErlObject>();

            foreach (var def in row.Schema)
            {
                var atr = def[m_Store.TargetName];

                if (keysOnly && !atr.Key)
                {
                    break;
                }

                if (keys != null && !atr.Key)
                {
                    if (keys.Count > 1)
                    {
                        result.Add(new ErlTuple(keys, false));
                    }
                    else
                    {
                        foreach (var key in keys)
                        {
                            result.Add(key);
                        }
                    }
                    keys = null;
                }


                IErlObject erlValue = ErlAtom.Undefined;

                var clrValue = row.GetFieldValue(def);
                if (clrValue != null)
                {
                    erlValue = ClrToErlValue(atr.BackendType, clrValue);
                }

                if (keys != null)
                {
                    keys.Add(erlValue);
                }
                else
                {
                    result.Add(erlValue);
                }
            }

            if (keys != null)
            {
                if (keys.Count > 1)
                {
                    result.Add(new ErlTuple(keys, false));
                }
                else
                {
                    foreach (var key in keys)
                    {
                        result.Add(key);
                    }
                }
            }

            return(result);
        }