// created by sudhir on 30.12.2017
// worker thread background stuff
// Todo stub implement piecewise fetching here like that of on demand fetch
void worker_DoWork(object sender, DoWorkEventArgs e)
{
object argument = e.Argument;
int dataRate = (int)argument.GetType().GetProperty("dataRate").GetValue(argument, null);
DateTime startTime = (DateTime)argument.GetType().GetProperty("startTime").GetValue(argument, null);
DateTime endTime = (DateTime)argument.GetType().GetProperty("endTime").GetValue(argument, null);
List <int> measurementIDs = (List <int>)argument.GetType().GetProperty("measurementIDs").GetValue(argument, null);
List <string> measurementNames = (List <string>)argument.GetType().GetProperty("measurementNames").GetValue(argument, null);
ConfigurationManager _configManager = new ConfigurationManager();
_configManager.Initialize();
HistoryDataAdapter _historyAdapter = new HistoryDataAdapter();
_historyAdapter.Initialize(_configManager);
Dictionary <object, List <PMUDataStructure> > parsedData = _historyAdapter.GetData(startTime, endTime, measurementIDs, true, false, dataRate);
e.Result = new { parsedData = parsedData, startTime = startTime, endTime = endTime, dataRate = dataRate, measurementIDs = measurementIDs, measurementNames = measurementNames };
}
// worker thread background stuff
// Todo update immediately on the chart after the piecewise fetch
void Worker_DoWork(object sender, DoWorkEventArgs e)
{
// todo refer template manager for for doing the piecewise fetch
object argument = e.Argument;
int dataRate = (int)argument.GetType().GetProperty("dataRate").GetValue(argument, null);
DateTime startTime = (DateTime)argument.GetType().GetProperty("startTime").GetValue(argument, null);
DateTime endTime = (DateTime)argument.GetType().GetProperty("endTime").GetValue(argument, null);
List <int> measurementIDs = (List <int>)argument.GetType().GetProperty("measurementIDs").GetValue(argument, null);
List <string> measurementNames = (List <string>)argument.GetType().GetProperty("measurementNames").GetValue(argument, null);
VariableTime fetchWindow = (VariableTime)argument.GetType().GetProperty("fetchWindow").GetValue(argument, null);
if (measurementIDs.Count == 0)
{
object nullVal = null;
e.Result = new { measurementsData = nullVal, startTime = startTime, endTime = endTime, dataRate = dataRate, measurementIDs = measurementIDs, measurementNames = measurementNames, isSuccess = false, errorMsg = "Number of measurements are zero..." };
return;
}
ConfigurationManager _configManager = new ConfigurationManager();
_configManager.Initialize();
HistoryDataAdapter _historyAdapter = new HistoryDataAdapter();
_historyAdapter.Initialize(_configManager);
if (dataRate <= 0 || dataRate > 25)
{
// default dataRate of PMU
dataRate = 25;
}
int numWindows = 1;
// find the number of seconds in a fetch window
//stub
int reportFetchWindowSecs = (int)(fetchWindow.hours * 60 * 60 + fetchWindow.mins * 60 + fetchWindow.secs);
if (reportFetchWindowSecs <= 0)
{
numWindows = 1;
reportFetchWindowSecs = Convert.ToInt32(Math.Ceiling((endTime - startTime).TotalSeconds));
}
else
{
// find the number of fetch windows as Ceil(Fetchspan/windowspan)
int reportfetchSpanSecs = Convert.ToInt32(Math.Ceiling((endTime - startTime).TotalSeconds));
numWindows = reportfetchSpanSecs / reportFetchWindowSecs;
}
DateTime fetchEndTime = startTime;
Dictionary <object, List <PMUDataStructure> > parsedData;
List <PMUMeasDataLists> measurementsData = new List <PMUMeasDataLists>();
for (int window = 0; window < numWindows; window++)
{
// fetch and update for ith window
DateTime fetchStartTime = fetchEndTime;
fetchEndTime = fetchStartTime.AddSeconds(reportFetchWindowSecs);
if (fetchEndTime > endTime)
{
fetchEndTime = endTime;
}
// get the data of all measurementIds for the window
parsedData = _historyAdapter.GetData(fetchStartTime, fetchEndTime, measurementIDs, true, false, dataRate);
// check if we have atleast one measurement
if (measurementIDs.Count > 0 && parsedData != null)
{
// get the data of measurements and add to List
for (int i = 0; i < measurementIDs.Count; i++)
{
PMUMeasDataLists measurementData;
measurementData = _historyAdapter.GetDataOfMeasId(parsedData, (uint)measurementIDs.ElementAt(i), true);
if (window == 0)
{
measurementsData.Add(measurementData);
}
else
{
measurementsData.ElementAt(i).pmuQualities.AddRange(measurementData.pmuQualities);
measurementsData.ElementAt(i).pmuTimeStamps.AddRange(measurementData.pmuTimeStamps);
measurementsData.ElementAt(i).pmuVals.AddRange(measurementData.pmuVals);
}
}
}
else
{
// we didnot get the required result
e.Result = new { measurementsData = measurementsData, startTime = startTime, endTime = endTime, dataRate = dataRate, measurementIDs = measurementIDs, measurementNames = measurementNames, isSuccess = false, errorMsg = "Unable to parse data..." };
return;
}
(sender as BackgroundWorker).ReportProgress(window, new { numWindows = numWindows });
}
e.Result = new { measurementsData = measurementsData, startTime = startTime, endTime = endTime, dataRate = dataRate, measurementIDs = measurementIDs, measurementNames = measurementNames, isSuccess = true, errorMsg = "" };
}