public void WriteCell(PlainBufferCell cell)
{
WriteTag(PlainBufferConsts.TAG_CELL);
if (cell.HasCellName())
{
WriteCellName(cell.GetNameRawData());
}
if (cell.HasCellValue())
{
var columnValue = cell.IsPk() ? cell.GetPkCellValue() : cell.GetCellValue();
WriteCellValue(columnValue);
}
if (cell.HasCellType())
{
WriteTag(PlainBufferConsts.TAG_CELL_TYPE);
output.WriteRawByte(cell.GetCellType());
}
if (cell.HasCellTimestamp())
{
WriteTag(PlainBufferConsts.TAG_CELL_TIMESTAMP);
output.WriteRawLittleEndian64(cell.GetCellTimestamp());
}
WriteTag(PlainBufferConsts.TAG_CELL_CHECKSUM);
output.WriteRawByte(cell.GetChecksum());
}
public static int ComputePlainBufferCell(PlainBufferCell cell)
{
int size = 1; // TAG_CELL
if (cell.HasCellName())
{
size += 1; // TAG_CELL_NAME
size += PlainBufferOutputStream.LITTLE_ENDIAN_32_SIZE; // length
size += cell.GetNameRawData().Length;
}
if (cell.HasCellValue())
{
size += 1; // TAG_CELL_VALUE
if (cell.IsPk())
{
size += ComputePrimaryKeyValue(cell.GetPkCellValue());
}
else
{
size += ComputeColumnValue(cell.GetCellValue());
}
}
if (cell.HasCellType())
{
size += 2; // TAG_CELL_OP_TYPE + type
}
if (cell.HasCellTimestamp())
{
size += 1 + PlainBufferOutputStream.LITTLE_ENDIAN_64_SIZE; // TAG_CELL_TIMESTAMP + timestamp
}
size += 2; // TAG_CELL_CHECKSUM + checksum
return(size);
}
public static byte GetChecksum(byte crc, PlainBufferCell cell)
{
if (cell.HasCellName())
{
crc = crc8(crc, cell.GetNameRawData());
}
if (cell.HasCellValue())
{
if (cell.IsPk())
{
crc = cell.GetPkCellValue().GetChecksum(crc);
}
else
{
crc = cell.GetCellValue().GetChecksum(crc);
}
}
if (cell.HasCellTimestamp())
{
crc = crc8(crc, cell.GetCellTimestamp());
}
if (cell.HasCellType())
{
crc = crc8(crc, cell.GetCellType());
}
return(crc);
}
public static Column ToColumn(PlainBufferCell cell)
{
if (!cell.HasCellName() || !cell.HasCellValue())
{
throw new IOException("The cell has no name or value: " + cell);
}
if (cell.HasCellType() && cell.GetCellType() != PlainBufferConsts.INCREMENT)
{
throw new IOException("The cell should not has type: " + cell);
}
if (cell.HasCellTimestamp())
{
return(new Column(cell.GetCellName(), cell.GetCellValue(), cell.GetCellTimestamp()));
}
else
{
return(new Column(cell.GetCellName(), cell.GetCellValue()));
}
}
