} // LoanStat
private void TryToConstruct(string formulaPattern)
{
if (string.IsNullOrWhiteSpace(formulaPattern))
{
Constructed = null;
return;
} // if
var re = new Regex("^(Max|Min)Count(And|Or)(Max|Min)Amount$");
Match match = re.Match(formulaPattern.Trim());
if (!match.Success)
{
Constructed = null;
return;
} // if
IFittable leftTerm = (match.Groups[1].Value == "Max") ? (IFittable) new MaxCount() : (IFittable) new MinCount();
IFittable rightTerm = (match.Groups[3].Value == "Max") ? (IFittable) new MaxAmount() : (IFittable) new MinAmount();
Type opType = (match.Groups[2].Value == "And") ? typeof(And) : typeof(Or);
Constructed = new CountAmount(opType, leftTerm, rightTerm);
} // TryToConstruct
public CountAmount(Type opType, IFittable leftTerm, IFittable rightTerm)
{
this.leftTerm = leftTerm;
this.rightTerm = rightTerm;
if (typeof(ABinaryBoolOperator).IsAssignableFrom(opType))
{
this.op = (ABinaryBoolOperator)Activator.CreateInstance(opType, leftTerm, rightTerm);
}
else
{
this.op = null;
}
} // constructor