private static LookupValueComparer CreateLookupComparer(ValueEval lookupValue, bool matchExact)
{
if (matchExact && lookupValue is StringEval)
{
String stringValue = ((StringEval)lookupValue).StringValue;
if (IsLookupValueWild(stringValue))
{
throw new Exception("Wildcard lookup values '" + stringValue + "' not supported yet");
}
}
return(LookupUtils.CreateLookupComparer(lookupValue));
}