private AFValue Convert(AFValue inVal, AFDatabase db, AFAttribute uomAttr)
{
AFValue result;
if (uomAttr == null)
{
throw new ArgumentException("No UOM attribute " + Attribute.Name + "|UOM");
}
else
{
var targetUOMVal = uomAttr.GetValue().Value as string;
if (string.IsNullOrEmpty(targetUOMVal))
{
throw new ArgumentException("UOM attribute " + Attribute.Name + "|UOM is empty");
}
else
{
result = inVal.Convert(db.UOMs[targetUOMVal]);
}
}
return(result);
}
override public void WriteNextResult()
{
try
{
values = valuesTask.Result;
}
catch (PITimeoutException)
{
fetchNextPage = true;
exceptionCount++;
if (exceptionCount > 10)
{
throw new Exception("EXCEPTION: Too many retries: " + this.tag.Name);
}
return;
}
string nextStartTimeStamp = nextStartTime.UtcTime.ToString("yyyy/MM/dd HH:mm:ss");
string nextEndTimeStamp = timeRange.EndTime.UtcTime.ToString("yyyy/MM/dd HH:mm:ss");
lock (logger)
{
logger.Log($"{k}, {nextStartTimeStamp} : {timeSpan} : {nextEndTimeStamp}, {values.Count}, {tag.Name}");
}
k++;
for (int i = skipCount; i < values.Count; i++)
{
string datePath = PIRandomFunctionsUtil.DateTimeToDatePath(values[i].Timestamp, timeResolution, numYears);
if (outputStreamWriter == null || lastDatePath != datePath)
{
string outputPath = Path.Combine(outputDirectory, datePath, tag.Name);
Directory.CreateDirectory(new FileInfo(outputPath).Directory.FullName);
if (outputStreamWriter != null)
{
outputStreamWriter.Close();
}
outputStreamWriter = new StreamWriter(outputPath);
lastDatePath = datePath;
}
AFValue value = values[i];
value.Attribute = attribute;
if (value.IsGood && (desiredUOM != null) && (desiredUOM != value.UOM))
{
outputStreamWriter.WriteLine($"{value.Timestamp.UtcTime.ToString("o")},{value.Convert(desiredUOM).Value}");
}
else
{
outputStreamWriter.WriteLine($"{value.Timestamp.UtcTime.ToString("o")},{value.Value}");
}
}
if (fetchNextPage)
{
int lastIndex = values.Count - 1;
skipCount = 1;
nextStartTime = values[lastIndex].Timestamp;
for (int i = lastIndex - 1; i >= 0; --i)
{
if (values[i].Timestamp == nextStartTime)
{
++skipCount;
}
else
{
break;
}
}
}
if (!fetchNextPage)
{
this.Close();
lock (closedLock) { closed = true; }
}
}