internal DataToVisualize(TelegramHead telHead, MeasuredHead measuredHead, MeasuredData measuredData,
double convTime, double saveTime)
{
m_telHead = telHead;
m_measuredHead = measuredHead;
m_measuredData = measuredData;
m_convTimeSpan = convTime;
m_saveTimeSpan = saveTime;
}
/// <summary> sets the value delivered from ondatachange </summary>
/// <param name="theValue"> the value (must be byte array) </param>
/// <exception cref="InvalidCastException"> if the value cannot be converted into a byte array </exception>
/// <remarks> NOTES:
/// - this methods measures the time for converting and saving to DB
/// - it is recommended to call this method asynchronously, because saving to DB may take several seconds </remarks>
public void setOPCParam(object theValue)
{
TelegramHead telHead = null;
MeasuredHead measHeadVisu = null;
MeasuredData measDataVisu = null;
// Take time for converting
StopWatch convStopWatch = new StopWatch(TimerType.PerformanceCounter);
convStopWatch.Scale = 1000.0;
convStopWatch.Start();
// Take time for saving
StopWatch saveStopWatch = new StopWatch(TimerType.PerformanceCounter);
saveStopWatch.Scale = 1000.0;
// Convert data
S7DataConverter theData;
byte[] data = null;
try
{
data = (byte[])theValue;
theData = new S7DataConverter(data, true, true);
}
catch (InvalidCastException ex)
{
// forward the exception
throw ex;
}
int offset = 0;
// read telegram-header
telHead = readOutTelegramHead(theData, data.Length, ref offset);
// read out data
readOutData(theData, telHead.telNumberRecords, ref offset, out measHeadVisu, out measDataVisu);
convStopWatch.Stop();
// Now save update the database
try
{
saveStopWatch.Start();
int idx = (int)m_ActiveDB;
if (idx != 0)
{
((DBInterface)(m_dataBases[idx])).Insert();
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
saveStopWatch.Stop();
// Fill the data for visualization
DataToVisualize dataToVisu = new DataToVisualize(telHead, measHeadVisu, measDataVisu,
convStopWatch.Time, saveStopWatch.Time);
// fire the event, that saving is completed
OnBRCVOccured(this, dataToVisu);
}
}
