private CutterData ProcessRow(CutterSubscription subscription, DataRow row)
{
var dataHeader = subscription.DataHeader;
CutterData data = null;
try
{
switch (dataHeader.Type)
{
case "Double":
data = SetDouble(dataHeader, row, subscription.LastData);
break;
case "Error":
data = SetError(dataHeader, row);
break;
case "Status":
data = SetStatus(dataHeader, row);
break;
case "String":
data = SetString(dataHeader, row);
break;
}
subscription.LastData = data;
if (Verbose)
{
Log.InfoFormat("ProcessRow: {0}", data);
}
}
catch (Exception ex)
{
Error++;
if (dataHeader != null)
{
Log.WarnFormat("Exception Column: {0}", dataHeader);
}
DumpRow("Exception", row);
Log.WarnFormat("Exception Data: {0}", ex);
}
return(data);
}
private CutterData SetString(CutterDataHeader dataHeader, DataRow row)
{
var valueString = row.Field <string>(dataHeader.Legend);
if (string.IsNullOrEmpty(valueString))
{
return(null);
}
var data = new CutterData
{
Date = row.Field <DateTime>("Date"),
Value = 0.0,
ValueString = valueString
};
return(data);
}
private CutterData SetDouble(CutterDataHeader dataHeader, DataRow row, CutterData lastData)
{
var valueString = row.Field <string>(dataHeader.Legend);
if (string.IsNullOrEmpty(valueString))
{
if (lastData == null)
{
return(null);
}
valueString = lastData.ValueString;
}
return(new CutterData
{
Date = row.Field <DateTime>("Date"),
Value = Double.Parse(valueString),
ValueString = valueString
});
}
private CutterData SetError(CutterDataHeader dataHeader, DataRow row)
{
var valueString = row.Field <string>(dataHeader.Legend);
if (string.IsNullOrEmpty(valueString))
{
return(null);
}
int value = int.Parse(valueString);
if (value == 0)
{
return(null);
}
// Status index is one less than the Error Index
CutterDataHeader statusHeader = null;
foreach (var header in _dataHeaders)
{
if (header.Value.Index == dataHeader.Index - 1)
{
statusHeader = header.Value;
break;
}
}
if (statusHeader == null)
{
return(null);
}
var statusString = row.Field <string>(statusHeader.Legend);
if (string.IsNullOrEmpty(statusString))
{
return(null);
}
int status = int.Parse(statusString);
if (status == 0)
{
return(null);
}
var error = "Unknown";
if ((status & StartFault) == StartFault)
{
error = _startErrors[value];
}
else if ((status & StopFault) == StopFault)
{
error = _stopErrors[value];
}
try
{
var data = new CutterData
{
Date = row.Field <DateTime>("Date"),
Value = Double.Parse(valueString),
ValueString = error
};
return(data);
}
catch (Exception)
{
Log.ErrorFormat("Invalid Error code for {0} = {1}", dataHeader.Legend, value);
}
return(null);
}