// This execute method parses the entire CriteriaSet.txt in one go. Since it is a small file, one thread should be able to do it.
public override void Execute(ref bool destory)
{
bool criteriaObjCheck;
string criteriaLine;
string lineSpecifier;
CriteriaSetObj newCriteria = new CriteriaSetObj();
// TODO: set the completedParsing field to true when done with a criteria set.
using (criteriaSetReader = new StreamReader(criteriaSetFilePath))
{
sizeOfCriteriaFile = criteriaSetReader.BaseStream.Length;
while ((criteriaLine = criteriaSetReader.ReadLine()) != null)
{
if (criteriaLine.Length == 0) // Empty line
{
if (newCriteria.ValidateParsingCompletion())
{
Global.AddCriteriaSet(newCriteria);
newCriteria = new CriteriaSetObj();
state = WorkingState.PreAgg;
}
}
else if (string.Compare(COMMENT_LINE, criteriaLine.Substring(0, 2)) != 0) // Skip if line is a comment
{
lineSpecifier = criteriaLine.Substring(0, 1);
switch (lineSpecifier)
{
case NEW_CRITERIA_SET_START:
{
criteriaObjCheck = newCriteria.SetCriteriaName(criteriaLine.Substring(1));
if (!criteriaObjCheck)
{
Program.WriteToConsole("CriteriaSetParser: More than one name associated with CriteriaSet.");
}
break;
}
case PRE_AGG_COLUMN:
{
newCriteria.preAggObj.ChangeCurrentAssignee(criteriaLine.Substring(1));
break;
}
case COMPARISON_INDICATOR:
{
newCriteria.preAggObj.AddComparisonType(criteriaLine.Substring(1));
break;
}
case COMPARISON_VALUE_IDENTIFIER:
{
if (state == WorkingState.PreAgg)
{
newCriteria.preAggObj.AddComparisonValue(criteriaLine.Substring(1));
}
else if (state == WorkingState.PostAgg)
{
// TODO: check this, if it removes commas and converts to double.
string temp = criteriaLine.Substring(1).Replace(",", "");
newCriteria.postAggObj.AddThresholdValue(Convert.ToDouble(temp));
}
else
{
// TODO: State did not change from Aggregation. File error.
}
break;
}
case AGG_KEY_COLUMN:
{
if (state == WorkingState.PreAgg)
{
state = WorkingState.Aggregation;
}
newCriteria.aggSpecsObj.SetAggregationKey(criteriaLine.Substring(1));
break;
}
case AGG_SUM_COLUMN:
{
newCriteria.aggSpecsObj.SetColumnSummations(criteriaLine.Substring(1));
break;
}
case POST_AGG_COMPARISON_SPECIFIER:
{
if (state == WorkingState.Aggregation)
{
state = WorkingState.PostAgg;
}
newCriteria.postAggObj.SetThresholdColumn(criteriaLine.Substring(1));
break;
}
case COMPARISON_SPECIFIER:
{
if (CriteriaConstants.CROSSES_THRESHOLD_SPECIFIER.Equals(criteriaLine.Substring(1)))
{
crossesCount++;
}
newCriteria.postAggObj.SetThresholdComparison(criteriaLine.Substring(1));
break;
}
default:
{
break;
}
}
}
}
if (newCriteria.ValidateParsingCompletion())
{
Global.AddCriteriaSet(newCriteria);
}
}
}
