public override FilterValueSetParam GetFilterValue(
MatchedEventMap matchedEvents,
ExprEvaluatorContext exprEvaluatorContext,
StatementContextFilterEvalEnv filterEvalEnv)
{
ExprFilterSpecLookupable lookupable = this.Lkupable.Make(matchedEvents, exprEvaluatorContext);
Object range;
if (lookupable.ReturnType == typeof(string))
{
var begin = (string)Min.GetFilterValue(matchedEvents, exprEvaluatorContext, filterEvalEnv);
var end = (string)Max.GetFilterValue(matchedEvents, exprEvaluatorContext, filterEvalEnv);
range = new StringRange(begin, end);
}
else
{
var begin = (double)Min.GetFilterValue(matchedEvents, exprEvaluatorContext, filterEvalEnv);
var end = (double)Max.GetFilterValue(matchedEvents, exprEvaluatorContext, filterEvalEnv);
range = new DoubleRange(begin, end);
}
return(new FilterValueSetParamImpl(lookupable, FilterOperator, range));
}