public DataPointDto Read()
{
if (Position != BinaryFileDao.UnknownOffset)
{
Reader.BaseStream.Seek(Position, SeekOrigin.Begin);
}
else
{
// Save the position of the state information
Position = Reader.BaseStream.Position;
}
DataPointDto dto = new DataPointDto();
dto.Dao = this;
dto.Empty = Reader.ReadBoolean();
if (this.timestampDao == null)
{
this.timestampDao = new BinaryFileDateTimeDao(this);
}
dto.Timestamp = this.timestampDao.Read();
dto.Value = Reader.ReadDouble();
return(dto);
}
private void WriteAttributes(ArchiveDto archiveDto)
{
if (this.slotExpiryTimeDao == null)
{
this.slotExpiryTimeDao = new BinaryFileDateTimeDao(this);
}
this.slotExpiryTimeDao.Create(archiveDto.SlotExpiryTime);
}
private void WriteAttributes()
{
// Title
if (this.titleDao == null)
{
this.titleDao = new BinaryFileStringDao(this, TimeSeriesDatabase.MaxTitleLength);
}
this.titleDao.Create(this.dto.Title);
// Start time
if (this.startTimeDao == null)
{
this.startTimeDao = new BinaryFileDateTimeDao(this);
}
this.startTimeDao.Create(this.dto.StartTime);
}
private void ReadAttributes()
{
if (Position != BinaryFileDao.UnknownOffset)
{
Reader.BaseStream.Seek(Position, SeekOrigin.Begin);
}
else
{
// Save the position of the attribute information
Position = Reader.BaseStream.Position;
}
if (this.slotExpiryTimeDao == null)
{
this.slotExpiryTimeDao = new BinaryFileDateTimeDao(this);
}
this.dto.SlotExpiryTime = this.slotExpiryTimeDao.Read();
}
private void Write(ReadingDto dto)
{
if (Position == BinaryFileDao.UnknownOffset)
{
// Record where the reading has been read from
Position = Writer.BaseStream.Position;
}
else
{
// Go to the location of the reading in the file
Writer.BaseStream.Seek((int)Position, SeekOrigin.Begin);
}
Writer.Write(dto.Empty);
if (this.timestampDao == null)
{
this.timestampDao = new BinaryFileDateTimeDao(this);
}
this.timestampDao.Create(dto.Timestamp);
Writer.Write(dto.Value);
}
public void Write(DataPointDto dto)
{
if (Position == BinaryFileDao.UnknownOffset)
{
Writer.Seek(0, SeekOrigin.End);
// Record where the data point has been written
Position = Writer.BaseStream.Position;
}
else
{
// Go to the location of the datum in the file
Writer.BaseStream.Seek((int)Position, SeekOrigin.Begin);
}
Writer.Write(dto.Empty);
if (this.timestampDao == null)
{
this.timestampDao = new BinaryFileDateTimeDao(this);
}
this.timestampDao.Create(dto.Timestamp);
Writer.Write(dto.Value);
}
