public ICollection<EventBean> Lookup(
EventBean[] eventsPerStream,
ExprEvaluatorContext context)
{
if (context.InstrumentationProvider.Activated()) {
context.InstrumentationProvider.QIndexSubordLookup(this, _index, _factory.KeyStreamNums);
var keyX = GetKey(eventsPerStream, context);
ISet<EventBean> result = _index.Lookup(keyX);
context.InstrumentationProvider.AIndexSubordLookup(result, keyX);
return result;
}
var key = GetKey(eventsPerStream, context);
return _index.Lookup(key);
}
public static ISet<EventBean> SingleIndexLookup(
ExprEvaluator[] evaluators,
EventBean[] eventsPerStream,
ExprEvaluatorContext exprEvaluatorContext,
PropertyHashedEventTable index)
{
bool first = true;
ISet<EventBean> result = null;
foreach (ExprEvaluator evaluator in evaluators) {
object key = evaluator.Evaluate(eventsPerStream, true, exprEvaluatorContext);
ISet<EventBean> found = index.Lookup(key);
if (found != null && !found.IsEmpty()) {
if (result == null) {
result = found;
}
else if (first) {
LinkedHashSet<EventBean> copy = new LinkedHashSet<EventBean>();
copy.AddAll(result);
copy.AddAll(found);
result = copy;
first = false;
}
else {
result.AddAll(found);
}
}
}
return result;
}
