/// <summary>
/// Writes the <paramref name="dataPoint"/> to the <see cref="ArchiveDataBlock"/>.
/// </summary>
/// <param name="dataPoint"><see cref="IDataPoint"/> to write.</param>
/// <param name="exception">Any <see cref="Exception"/> that may have been encountered while writing.</param>
/// <returns>
/// <c>true</c> if data point was written; otherwise, <c>false</c>.
/// </returns>
public bool Write(IDataPoint dataPoint, out Exception exception)
{
exception = null;
try
{
TimeTag value = dataPoint.Time;
// Do not attempt to write values with a bad timestamp, this will just throw an exception
if (value.CompareTo(TimeTag.MinValue) < 0 || value.CompareTo(TimeTag.MaxValue) > 0)
{
exception = new TimeTagException("Skipping data write for point: Bad time tag, value must between 01/01/1995 and 01/19/2063");
}
else
{
if (SlotsAvailable > 0)
{
// We have enough space to write the provided point data to the data block.
m_lastActivityTime = DateTime.UtcNow;
lock (m_parent.FileData)
{
// Write the data.
if (m_writeCursor != m_parent.FileData.Position)
{
m_parent.FileData.Seek(m_writeCursor, SeekOrigin.Begin);
}
dataPoint.CopyBinaryImageToStream(m_parent.FileData);
// Update the write cursor.
m_writeCursor = m_parent.FileData.Position;
// Flush the data if configured.
if (!m_parent.CacheWrites)
{
m_parent.FileData.Flush();
}
}
}
else
{
exception = new InvalidOperationException("Skipping data write for point: No slots available for writing new data");
}
}
}
catch (Exception ex)
{
exception = new InvalidOperationException($"Skipping data write for point: {ex.Message}", ex);
}
if ((object)exception == null)
{
return(true);
}
OnDataWriteException(exception);
return(false);
}
/// <summary>
/// Writes the <paramref name="dataPoint"/> to the <see cref="ArchiveDataBlock"/>.
/// </summary>
/// <param name="dataPoint"><see cref="IDataPoint"/> to write.</param>
/// <param name="exception">Any <see cref="Exception"/> that may have been encountered while writing.</param>
/// <returns>
/// <c>true</c> if data point was written; otherwise, <c>false</c>.
/// </returns>
public bool Write(IDataPoint dataPoint, out Exception exception)
{
exception = null;
try
{
TimeTag value = dataPoint.Time;
// Do not attempt to write values with a bad timestamp, this will just throw an exception
if (value.CompareTo(TimeTag.MinValue) < 0 || value.CompareTo(TimeTag.MaxValue) > 0)
{
exception = new TimeTagException("Skipping data write for point: Bad time tag, value must between 01/01/1995 and 01/19/2063");
}
else
{
if (SlotsAvailable > 0)
{
// We have enough space to write the provided point data to the data block.
m_lastActivityTime = DateTime.UtcNow;
lock (m_parent.FileData)
{
// Write the data.
if (m_writeCursor != m_parent.FileData.Position)
m_parent.FileData.Seek(m_writeCursor, SeekOrigin.Begin);
dataPoint.CopyBinaryImageToStream(m_parent.FileData);
// Update the write cursor.
m_writeCursor = m_parent.FileData.Position;
// Flush the data if configured.
if (!m_parent.CacheWrites)
m_parent.FileData.Flush();
}
}
else
{
exception = new InvalidOperationException("Skipping data write for point: No slots available for writing new data");
}
}
}
catch (Exception ex)
{
exception = new InvalidOperationException($"Skipping data write for point: {ex.Message}", ex);
}
if ((object)exception == null)
return true;
OnDataWriteException(exception);
return false;
}
