// Filter and Select
public Object[] TypableEvaluate(
EventBean[] eventsPerStream,
bool isNewData,
ICollection <EventBean> matchingEvents,
ExprEvaluatorContext exprEvaluatorContext,
ExprSubselectRowNode parent)
{
var events = EventBeanUtility.AllocatePerStreamShift(eventsPerStream);
var subSelectResult = ExprSubselectRowNodeUtility.EvaluateFilterExpectSingleMatch(
events, isNewData, matchingEvents, exprEvaluatorContext, parent);
if (subSelectResult == null)
{
return(null);
}
events[0] = subSelectResult;
var selectClauseEvaluator = parent.SelectClauseEvaluator;
var results = new Object[selectClauseEvaluator.Length];
var evaluateParams = new EvaluateParams(events, isNewData, exprEvaluatorContext);
for (var i = 0; i < results.Length; i++)
{
results[i] = selectClauseEvaluator[i].Evaluate(evaluateParams);
}
return(results);
}
// Filter and Select
public Object Evaluate(
EventBean[] eventsPerStream,
bool newData,
ICollection <EventBean> matchingEvents,
ExprEvaluatorContext exprEvaluatorContext,
ExprSubselectRowNode parent)
{
var eventsZeroBased = EventBeanUtility.AllocatePerStreamShift(eventsPerStream);
var subSelectResult = ExprSubselectRowNodeUtility.EvaluateFilterExpectSingleMatch(
eventsZeroBased, newData, matchingEvents, exprEvaluatorContext, parent);
if (subSelectResult == null)
{
return(null);
}
eventsZeroBased[0] = subSelectResult;
Object result;
if (parent.SelectClauseEvaluator.Length == 1)
{
result = parent.SelectClauseEvaluator[0].Evaluate(new EvaluateParams(eventsZeroBased, true, exprEvaluatorContext));
}
else
{
// we are returning a Map here, not object-array, preferring the self-describing structure
result = parent.EvaluateRow(eventsZeroBased, true, exprEvaluatorContext);
}
return(result);
}
// Filter and Select
public EventBean EvaluateGetEventBean(EventBean[] eventsPerStream, bool isNewData, ICollection <EventBean> matchingEvents, ExprEvaluatorContext context, ExprSubselectRowNode parent)
{
var events = EventBeanUtility.AllocatePerStreamShift(eventsPerStream);
var subSelectResult = ExprSubselectRowNodeUtility.EvaluateFilterExpectSingleMatch(events, isNewData, matchingEvents, context, parent);
if (subSelectResult == null)
{
return(null);
}
var row = parent.EvaluateRow(events, true, context);
return(parent.subselectMultirowType.EventAdapterService.AdapterForTypedMap(row, parent.subselectMultirowType.EventType));
}
// Filter and no-select
public virtual object Evaluate(
EventBean[] eventsPerStream,
bool newData,
ICollection <EventBean> matchingEvents,
ExprEvaluatorContext exprEvaluatorContext,
ExprSubselectRowNode parent)
{
EventBean[] eventsZeroBased = EventBeanUtility.AllocatePerStreamShift(eventsPerStream);
EventBean subSelectResult = ExprSubselectRowNodeUtility.EvaluateFilterExpectSingleMatch(eventsZeroBased, newData, matchingEvents, exprEvaluatorContext, parent);
if (subSelectResult == null)
{
return(null);
}
return(subSelectResult.Underlying);
}
public override Object Evaluate(
EventBean[] eventsPerStream,
bool newData,
ICollection <EventBean> matchingEvents,
ExprEvaluatorContext exprEvaluatorContext,
ExprSubselectRowNode parent)
{
EventBean[] eventsZeroBased = EventBeanUtility.AllocatePerStreamShift(eventsPerStream);
EventBean subSelectResult = ExprSubselectRowNodeUtility.EvaluateFilterExpectSingleMatch(
eventsZeroBased, newData, matchingEvents, exprEvaluatorContext, parent);
if (subSelectResult == null)
{
return(null);
}
return(_tableMetadata.EventToPublic.ConvertToUnd(
subSelectResult, new EvaluateParams(eventsPerStream, newData, exprEvaluatorContext)));
}