public TimeSeries[] GetSampleData()
{
// This function gets sampled values for a list of tags
// from the same PI server over the same time range at the
// interval specified.
try
{
if (mintValCnt == 0)
mintValCnt = Int32.MaxValue;
String[] tags = GetTags();
PIArcDataRequest[] padReqs = new PIArcDataRequest[tags.Length];
// Adjust start and end times to account for time zone
CheckDates(); // insure that start is before end
TimeRange tr = new TimeRange();
tr.Start = mdtStart.ToString("yyyy-MM-ddTHH:mm:ss-08:00");
tr.End = mdtEnd.ToString("yyyy-MM-ddTHH:mm:ss-08:00");
PIArcManner paManr = new PIArcManner();
paManr.RetrievalType = PIArcMannerRetrievalType.Interpolated;
paManr.Boundaries = PIArcMannerBoundaries.Interpolated;
// Calculate the number of intervals based on the interval and time span
TimeSpan span = mdtEnd.Subtract(mdtStart);
mintValCnt = (int)(span.TotalSeconds / Convert.ToDouble(mintInterval)) + 1;
paManr.NumValues = mintValCnt;
for (int i = 0; i < tags.Length; i++)
{
PIArcDataRequest padReq = new PIArcDataRequest();
padReq.Path = tags[i];
padReq.PIArcManner = paManr;
padReq.TimeRange = tr;
padReqs[i] = padReq;
}
TimeSeries[] ts = client.GetPIArchiveData(padReqs);
// Always close the client.
client.Close();
WriteOutput();
return (CheckResult(ts));
}
catch (Exception ex)
{
output.AppendLine(ex.Message);
if (ex.InnerException != null)
{
output.AppendLine(ex.InnerException.Message);
}
WriteOutput();
return null;
}
}
public TimeSeries[] GetPIArchiveData(PIArcDataRequest[] requests)
{
throw new NotImplementedException();
}
public System.Threading.Tasks.Task<TimeSeries[]> GetPIArchiveDataAsync(PIArcDataRequest[] requests)
{
throw new NotImplementedException();
}
public TimeSeries[] GetArchiveData()
{
// This function gets compressed archive data for a list of tags
// from the same PI server over the same time range.
try
{
if (mintValCnt == 0)
mintValCnt = Int32.MaxValue;
String[] tags = GetTags();
PIArcDataRequest[] padReqs = new PIArcDataRequest[tags.Length];
// Adjust start and end times to account for time zone
CheckDates(); // insure that start is before end
TimeRange tr = new TimeRange();
tr.Start = mdtStart.ToString("yyyy-MM-ddTHH:mm:ss-08:00");
tr.End = mdtEnd.ToString("yyyy-MM-ddTHH:mm:ss-08:00");
PIArcManner paManr = new PIArcManner();
paManr.RetrievalType = PIArcMannerRetrievalType.Compressed;
paManr.Boundaries = PIArcMannerBoundaries.Inside;
paManr.NumValues = mintValCnt;
for (int i = 0; i < tags.Length; i++)
{
PIArcDataRequest padReq = new PIArcDataRequest();
padReq.Path = tags[i];
padReq.PIArcManner = paManr;
padReq.TimeRange = tr;
padReqs[i] = padReq;
}
TimeSeries[] ts = client.GetPIArchiveData(padReqs);
// Always close the client.
client.Close();
WriteOutput();
return (CheckResult(ts));
}
catch (Exception ex)
{
output.AppendLine(ex.Message);
if (ex.InnerException != null)
{
output.AppendLine(ex.InnerException.Message);
}
WriteOutput();
return null;
}
}
