/// <summary>
/// Called once the output condition has been met.
/// Invokes the result set processor.
/// Used for join event data.
/// </summary>
/// <param name="doOutput">- true if the batched events should actually be output as well as processed, false if they should just be processed</param>
/// <param name="forceUpdate">- true if output should be made even when no updating events have arrived</param>
protected void ContinueOutputProcessingJoin(bool doOutput, bool forceUpdate)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QOutputRateConditionOutputNow();
}
if ((ExecutionPathDebugLog.IsEnabled) && (Log.IsDebugEnabled))
{
Log.Debug(".continueOutputProcessingJoin");
}
bool isGenerateSynthetic = _parent.StatementResultService.IsMakeSynthetic;
bool isGenerateNatural = _parent.StatementResultService.IsMakeNatural;
// Process the events and get the result
UniformPair <EventBean[]> newOldEvents = ResultSetProcessor.ProcessOutputLimitedJoin(
_deltaSet.JoinEventsSet, isGenerateSynthetic, _parent.OutputLimitLimitType);
if (_parent.IsDistinct && newOldEvents != null)
{
newOldEvents.First = EventBeanUtility.GetDistinctByProp(newOldEvents.First, _parent.EventBeanReader);
newOldEvents.Second = EventBeanUtility.GetDistinctByProp(newOldEvents.Second, _parent.EventBeanReader);
}
if ((!isGenerateSynthetic) && (!isGenerateNatural))
{
if (AuditPath.IsAuditEnabled)
{
OutputStrategyUtil.IndicateEarlyReturn(_parent.StatementContext, newOldEvents);
}
ResetEventBatches();
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AOutputRateConditionOutputNow(false);
}
return;
}
if (doOutput)
{
Output(forceUpdate, newOldEvents);
}
ResetEventBatches();
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AOutputRateConditionOutputNow(true);
}
}
/// <summary>
/// This process (Update) method is for participation in a join.
/// </summary>
/// <param name="newEvents">new events</param>
/// <param name="oldEvents">old events</param>
/// <param name="exprEvaluatorContext">expression evaluation context</param>
public override void Process(ISet <MultiKey <EventBean> > newEvents, ISet <MultiKey <EventBean> > oldEvents, ExprEvaluatorContext exprEvaluatorContext)
{
if ((ExecutionPathDebugLog.IsEnabled) && (Log.IsDebugEnabled))
{
Log.Debug(".process Received Update, " +
" newData.Length==" + ((newEvents == null) ? 0 : newEvents.Count) +
" oldData.Length==" + ((oldEvents == null) ? 0 : oldEvents.Count));
}
if (!CheckAfterCondition(newEvents, _parent.StatementContext))
{
return;
}
// add the incoming events to the event batches
if (!_witnessedFirst)
{
AddToChangeSet(_joinEventsSet, newEvents, oldEvents);
var isGenerateSynthetic = _parent.StatementResultService.IsMakeSynthetic;
var newOldEvents = ResultSetProcessor.ProcessOutputLimitedJoin(_joinEventsSet, isGenerateSynthetic, OutputLimitLimitType.FIRST);
_joinEventsSet.Clear();
if (!HasRelevantResults(newOldEvents))
{
return;
}
_witnessedFirst = true;
if (_parent.IsDistinct)
{
newOldEvents.First = EventBeanUtility.GetDistinctByProp(newOldEvents.First, _parent.EventBeanReader);
newOldEvents.Second = EventBeanUtility.GetDistinctByProp(newOldEvents.Second, _parent.EventBeanReader);
}
bool isGenerateNatural = _parent.StatementResultService.IsMakeNatural;
if ((!isGenerateSynthetic) && (!isGenerateNatural))
{
if (AuditPath.IsAuditEnabled)
{
OutputStrategyUtil.IndicateEarlyReturn(_parent.StatementContext, newOldEvents);
}
return;
}
Output(true, newOldEvents);
}
else
{
AddToChangeSet(_joinEventsSet, newEvents, oldEvents);
// Process the events and get the result
ResultSetProcessor.ProcessOutputLimitedJoin(_joinEventsSet, false, OutputLimitLimitType.FIRST);
_joinEventsSet.Clear();
}
int newEventsSize = 0;
if (newEvents != null)
{
newEventsSize = newEvents.Count;
}
int oldEventsSize = 0;
if (oldEvents != null)
{
oldEventsSize = oldEvents.Count;
}
_outputCondition.UpdateOutputCondition(newEventsSize, oldEventsSize);
}