private FilterValueSetParam[][] ComputePathsWithNegate(EventBean[] eventsPerStream,
FilterSpecPlan plan,
MatchedEventMap matchedEvents,
ExprEvaluatorContext exprEvaluatorContext,
StatementContextFilterEvalEnv filterEvalEnv)
{
var paths = plan.Paths;
IList<FilterValueSetParam[]> pathList = new List<FilterValueSetParam[]>(paths.Length);
foreach (var path in paths) {
var controlResult = path.PathNegate?.Evaluate(eventsPerStream, true, exprEvaluatorContext);
if (controlResult != null && false.Equals(controlResult)) {
continue;
}
var triplets = path.Triplets;
var valueList = new FilterValueSetParam[triplets.Length];
PopulateValueSet(valueList, matchedEvents, path.Triplets, exprEvaluatorContext, filterEvalEnv);
pathList.Add(valueList);
}
if (pathList.IsEmpty()) {
return null; // all path negated
}
return pathList.ToArray();
}
public FilterValueSetParam[][] Compute(
FilterSpecPlan plan,
MatchedEventMap matchedEvents,
ExprEvaluatorContext exprEvaluatorContext,
StatementContextFilterEvalEnv filterEvalEnv)
{
return ComputeFixedLength(plan.Paths, matchedEvents, exprEvaluatorContext, filterEvalEnv);
}
public FilterValueSetParam[][] Compute(
FilterSpecPlan plan,
MatchedEventMap matchedEvents,
ExprEvaluatorContext exprEvaluatorContext,
StatementContextFilterEvalEnv filterEvalEnv)
{
EventBean[] eventsPerStream = plan.Convertor.Invoke(matchedEvents);
return Compute(eventsPerStream, plan, matchedEvents, exprEvaluatorContext, filterEvalEnv);
}
protected override FilterValueSetParam[][] Compute(EventBean[] eventsPerStream,
FilterSpecPlan plan,
MatchedEventMap matchedEvents,
ExprEvaluatorContext exprEvaluatorContext,
StatementContextFilterEvalEnv filterEvalEnv)
{
if (plan.FilterNegate != null) {
var controlResult = plan.FilterNegate.Evaluate(eventsPerStream, true, exprEvaluatorContext);
if (controlResult != null && false.Equals(controlResult)) {
return null;
}
}
if (plan.FilterConfirm != null) {
var controlResult = plan.FilterConfirm.Evaluate(eventsPerStream, true, exprEvaluatorContext);
if (controlResult != null && true.Equals(controlResult)) {
return FilterValueSetParamConstants.EMPTY;
}
}
return ComputePathsWithNegate(eventsPerStream, plan, matchedEvents, exprEvaluatorContext, filterEvalEnv);
}
protected abstract FilterValueSetParam[][] Compute(EventBean[] eventsPerStream,
FilterSpecPlan plan,
MatchedEventMap matchedEvents,
ExprEvaluatorContext exprEvaluatorContext,
StatementContextFilterEvalEnv filterEvalEnv);
static FilterSpecPlan()
{
EMPTY_PLAN = new FilterSpecPlan(FilterSpecPlanPath.EMPTY_ARRAY, null, null);
EMPTY_PLAN.Initialize();
}