Exemplo n.º 1
0
        //TODO: Move to ExecuteRequest and QueryRequest
        internal void Write(FrameWriter wb, byte protocolVersion, bool isPrepared)
        {
            //protocol v1: <query><n><value_1>....<value_n><consistency>
            //protocol v2: <query><consistency><flags>[<n><value_1>...<value_n>][<result_page_size>][<paging_state>][<serial_consistency>]
            //protocol v3: <query><consistency><flags>[<n>[name_1]<value_1>...[name_n]<value_n>][<result_page_size>][<paging_state>][<serial_consistency>][<timestamp>]
            var flags = GetFlags();

            if (protocolVersion > 1)
            {
                wb.WriteUInt16((ushort)Consistency);
                wb.WriteByte((byte)flags);
            }

            if (flags.HasFlag(QueryFlags.Values))
            {
                wb.WriteUInt16((ushort)Values.Length);
                for (var i = 0; i < Values.Length; i++)
                {
                    if (flags.HasFlag(QueryFlags.WithNameForValues))
                    {
                        var name = ValueNames[i];
                        wb.WriteString(name);
                    }
                    var v     = Values[i];
                    var bytes = TypeCodec.Encode(protocolVersion, v);
                    wb.WriteBytes(bytes);
                }
            }
            else if (protocolVersion == 1 && isPrepared)
            {
                //n values is not optional on protocol v1
                //Write 0 values
                wb.WriteUInt16(0);
            }

            if (protocolVersion == 1)
            {
                //Protocol v1 ends here
                wb.WriteUInt16((ushort)Consistency);
                return;
            }
            if ((flags & QueryFlags.PageSize) == QueryFlags.PageSize)
            {
                wb.WriteInt32(PageSize);
            }
            if ((flags & QueryFlags.WithPagingState) == QueryFlags.WithPagingState)
            {
                wb.WriteBytes(PagingState);
            }
            if ((flags & QueryFlags.WithSerialConsistency) == QueryFlags.WithSerialConsistency)
            {
                wb.WriteUInt16((ushort)SerialConsistency);
            }
            if (Timestamp != null)
            {
                //Expressed in microseconds
                wb.WriteLong(TypeCodec.ToUnixTime(Timestamp.Value).Ticks / 10);
            }
        }
Exemplo n.º 2
0
        internal void Write(FrameWriter wb, bool isPrepared)
        {
            //protocol v1: <query><n><value_1>....<value_n><consistency>
            //protocol v2: <query><consistency><flags>[<n><value_1>...<value_n>][<result_page_size>][<paging_state>][<serial_consistency>]
            //protocol v3: <query><consistency><flags>[<n>[name_1]<value_1>...[name_n]<value_n>][<result_page_size>][<paging_state>][<serial_consistency>][<timestamp>]
            var protocolVersion = wb.Serializer.ProtocolVersion;
            var flags           = GetFlags(protocolVersion);

            if (protocolVersion != ProtocolVersion.V1)
            {
                wb.WriteUInt16((ushort)Consistency);
                wb.WriteByte((byte)flags);
            }
            if (flags.HasFlag(QueryFlags.Values))
            {
                wb.WriteUInt16((ushort)Values.Length);
                for (var i = 0; i < Values.Length; i++)
                {
                    if (flags.HasFlag(QueryFlags.WithNameForValues))
                    {
                        var name = ValueNames[i];
                        wb.WriteString(name);
                    }
                    wb.WriteAsBytes(Values[i]);
                }
            }
            else if (protocolVersion == ProtocolVersion.V1 && isPrepared)
            {
                //n values is not optional on protocol v1
                //Write 0 values
                wb.WriteUInt16(0);
            }

            if (protocolVersion == ProtocolVersion.V1)
            {
                //Protocol v1 ends here
                wb.WriteUInt16((ushort)Consistency);
                return;
            }
            if ((flags & QueryFlags.PageSize) == QueryFlags.PageSize)
            {
                wb.WriteInt32(PageSize);
            }
            if ((flags & QueryFlags.WithPagingState) == QueryFlags.WithPagingState)
            {
                wb.WriteBytes(PagingState);
            }
            if ((flags & QueryFlags.WithSerialConsistency) == QueryFlags.WithSerialConsistency)
            {
                wb.WriteUInt16((ushort)SerialConsistency);
            }
            if (flags.HasFlag(QueryFlags.WithDefaultTimestamp))
            {
                // ReSharper disable once PossibleInvalidOperationException
                // Null check has been done when setting the flag
                wb.WriteLong(RawTimestamp.Value);
            }
        }
        //TODO: Move to ExecuteRequest and QueryRequest
        internal void Write(FrameWriter wb, byte protocolVersion, bool isPrepared)
        {
            //protocol v1: <query><n><value_1>....<value_n><consistency>
            //protocol v2: <query><consistency><flags>[<n><value_1>...<value_n>][<result_page_size>][<paging_state>][<serial_consistency>]
            //protocol v3: <query><consistency><flags>[<n>[name_1]<value_1>...[name_n]<value_n>][<result_page_size>][<paging_state>][<serial_consistency>][<timestamp>]
            var flags = GetFlags();

            if (protocolVersion > 1)
            {
                wb.WriteUInt16((ushort)Consistency);
                wb.WriteByte((byte)flags);
            }

            if (flags.HasFlag(QueryFlags.Values))
            {
                wb.WriteUInt16((ushort)Values.Length);
                for (var i = 0; i < Values.Length; i++)
                {
                    if (flags.HasFlag(QueryFlags.WithNameForValues))
                    {
                        var name = ValueNames[i];
                        wb.WriteString(name);
                    }
                    var v = Values[i];
                    var bytes = TypeCodec.Encode(protocolVersion, v);
                    wb.WriteBytes(bytes);
                }
            }
            else if (protocolVersion == 1 && isPrepared)
            {
                //n values is not optional on protocol v1
                //Write 0 values
                wb.WriteUInt16(0);
            }

            if (protocolVersion == 1)
            {
                //Protocol v1 ends here
                wb.WriteUInt16((ushort)Consistency);
                return;
            }
            if ((flags & QueryFlags.PageSize) == QueryFlags.PageSize)
            {
                wb.WriteInt32(PageSize);
            }
            if ((flags & QueryFlags.WithPagingState) == QueryFlags.WithPagingState)
            {
                wb.WriteBytes(PagingState);
            }
            if ((flags & QueryFlags.WithSerialConsistency) == QueryFlags.WithSerialConsistency)
            {
                wb.WriteUInt16((ushort)SerialConsistency);
            }
            if (Timestamp != null)
            {
                //Expressed in microseconds
                wb.WriteLong(TypeCodec.ToUnixTime(Timestamp.Value).Ticks / 10);
            }
        }
        //TODO: Move to ExecuteRequest and QueryRequest
        internal void Write(FrameWriter wb, bool isPrepared)
        {
            //protocol v1: <query><n><value_1>....<value_n><consistency>
            //protocol v2: <query><consistency><flags>[<n><value_1>...<value_n>][<result_page_size>][<paging_state>][<serial_consistency>]
            //protocol v3: <query><consistency><flags>[<n>[name_1]<value_1>...[name_n]<value_n>][<result_page_size>][<paging_state>][<serial_consistency>][<timestamp>]
            var protocolVersion = wb.Serializer.ProtocolVersion;
            var flags           = GetFlags();

            if (protocolVersion != ProtocolVersion.V1)
            {
                wb.WriteUInt16((ushort)Consistency);
                wb.WriteByte((byte)flags);
            }
            if (flags.HasFlag(QueryFlags.Values))
            {
                wb.WriteUInt16((ushort)Values.Length);
                for (var i = 0; i < Values.Length; i++)
                {
                    if (flags.HasFlag(QueryFlags.WithNameForValues))
                    {
                        var name = ValueNames[i];
                        wb.WriteString(name);
                    }
                    wb.WriteAsBytes(Values[i]);
                }
            }
            else if (protocolVersion == ProtocolVersion.V1 && isPrepared)
            {
                //n values is not optional on protocol v1
                //Write 0 values
                wb.WriteUInt16(0);
            }

            if (protocolVersion == ProtocolVersion.V1)
            {
                //Protocol v1 ends here
                wb.WriteUInt16((ushort)Consistency);
                return;
            }
            if ((flags & QueryFlags.PageSize) == QueryFlags.PageSize)
            {
                wb.WriteInt32(PageSize);
            }
            if ((flags & QueryFlags.WithPagingState) == QueryFlags.WithPagingState)
            {
                wb.WriteBytes(PagingState);
            }
            if ((flags & QueryFlags.WithSerialConsistency) == QueryFlags.WithSerialConsistency)
            {
                wb.WriteUInt16((ushort)SerialConsistency);
            }
            if (protocolVersion.SupportsTimestamp())
            {
                if (Timestamp != null)
                {
                    // Expressed in microseconds
                    wb.WriteLong(TypeSerializer.SinceUnixEpoch(Timestamp.Value).Ticks / 10);
                }
                else if (_policies != null)
                {
                    // Use timestamp generator
                    var timestamp = _policies.TimestampGenerator.Next();
                    if (timestamp != long.MinValue)
                    {
                        wb.WriteLong(timestamp);
                    }
                }
            }
        }