public Object Evaluate(
EventBean[] eventsPerStream,
bool isNewData,
ICollection <EventBean> matchingEvents,
ExprEvaluatorContext exprEvaluatorContext,
AggregationService aggregationServiceAnyPartition)
{
if (matchingEvents == null || matchingEvents.Count == 0)
{
return(false);
}
var aggregationService =
aggregationServiceAnyPartition.GetContextPartitionAggregationService(
exprEvaluatorContext.AgentInstanceId);
var groupKeys = aggregationService.GetGroupKeys(exprEvaluatorContext);
var events = EventBeanUtility.AllocatePerStreamShift(eventsPerStream);
var evaluateParams = new EvaluateParams(events, true, exprEvaluatorContext);
foreach (var groupKey in groupKeys)
{
aggregationService.SetCurrentAccess(groupKey, exprEvaluatorContext.AgentInstanceId, null);
var pass = _havingEval.Evaluate(evaluateParams);
if ((pass == null) || (false.Equals(pass)))
{
continue;
}
return(true);
}
return(false);
}
protected override Object EvaluateInternal(
Object leftResult,
EventBean[] events,
bool isNewData,
ICollection <EventBean> matchingEvents,
ExprEvaluatorContext exprEvaluatorContext,
AggregationService aggregationServiceAnyPartition)
{
var aggregationService =
aggregationServiceAnyPartition.GetContextPartitionAggregationService(
exprEvaluatorContext.AgentInstanceId);
var groupKeys = aggregationService.GetGroupKeys(exprEvaluatorContext);
var hasNullRow = false;
var evaluateParams = new EvaluateParams(events, true, exprEvaluatorContext);
foreach (var groupKey in groupKeys)
{
if (leftResult == null)
{
return(null);
}
aggregationService.SetCurrentAccess(groupKey, exprEvaluatorContext.AgentInstanceId, null);
if (_havingEval != null)
{
var pass = _havingEval.Evaluate(evaluateParams);
if ((pass == null) || (false.Equals(pass)))
{
continue;
}
}
Object rightResult;
if (SelectEval != null)
{
rightResult = SelectEval.Evaluate(evaluateParams);
}
else
{
rightResult = events[0].Underlying;
}
if (rightResult != null)
{
if (Coercer == null)
{
var eq = leftResult.Equals(rightResult);
if ((IsNot && !eq) || (!IsNot && eq))
{
return(true);
}
}
else
{
var left = Coercer.Invoke(leftResult);
var right = Coercer.Invoke(rightResult);
var eq = left.Equals(right);
if ((IsNot && !eq) || (!IsNot && eq))
{
return(true);
}
}
}
else
{
hasNullRow = true;
}
}
if (hasNullRow)
{
return(null);
}
return(false);
}
protected override Object EvaluateInternal(
Object leftResult,
EventBean[] events,
bool isNewData,
ICollection <EventBean> matchingEvents,
ExprEvaluatorContext exprEvaluatorContext,
AggregationService aggregationServiceAnyPartition)
{
AggregationService aggregationService =
aggregationServiceAnyPartition.GetContextPartitionAggregationService(
exprEvaluatorContext.AgentInstanceId);
ICollection <Object> groupKeys = aggregationService.GetGroupKeys(exprEvaluatorContext);
bool hasRows = false;
bool hasNullRow = false;
var evaluateParams = new EvaluateParams(events, true, exprEvaluatorContext);
foreach (Object groupKey in groupKeys)
{
aggregationService.SetCurrentAccess(groupKey, exprEvaluatorContext.AgentInstanceId, null);
if (_havingEval != null)
{
var pass = _havingEval.Evaluate(evaluateParams);
if ((pass == null) || (false.Equals(pass)))
{
continue;
}
}
hasRows = true;
Object valueRight;
if (SelectEval != null)
{
valueRight = SelectEval.Evaluate(evaluateParams);
}
else
{
valueRight = events[0].Underlying;
}
if (valueRight == null)
{
hasNullRow = true;
}
else
{
if (leftResult != null)
{
if (!Computer.Invoke(leftResult, valueRight))
{
return(false);
}
}
}
}
if (!hasRows)
{
return(true);
}
if (leftResult == null)
{
return(null);
}
if (hasNullRow)
{
return(null);
}
return(true);
}
