public override void Apply(EventBean matchingEvent, EventBean[] eventsPerStream, OneEventCollection newData, OneEventCollection oldData, ExprEvaluatorContext exprEvaluatorContext)
{
EventBean theEvent = _insertHelper.Process(eventsPerStream, true, true, exprEvaluatorContext);
if (_insertIntoTableName != null)
{
TableStateInstance tableStateInstance = _tableService.GetState(_insertIntoTableName, exprEvaluatorContext.AgentInstanceId);
if (_audit)
{
AuditPath.AuditInsertInto(tableStateInstance.AgentInstanceContext.EngineURI, _statementHandle.StatementName, theEvent);
}
tableStateInstance.AddEventUnadorned(theEvent);
return;
}
if (_internalEventRouter == null)
{
newData.Add(theEvent);
return;
}
if (_audit)
{
AuditPath.AuditInsertInto(_internalEventRouteDest.EngineURI, _statementHandle.StatementName, theEvent);
}
_internalEventRouter.Route(theEvent, _statementHandle, _internalEventRouteDest, exprEvaluatorContext, false);
}
private void Route(EventBean[] events, ExprEvaluatorContext exprEvaluatorContext)
{
foreach (var routed in events)
{
if (routed is NaturalEventBean)
{
var natural = (NaturalEventBean)routed;
if (_audit)
{
AuditPath.AuditInsertInto(_agentInstanceContext.EngineURI, _agentInstanceContext.StatementName, natural.OptionalSynthetic);
}
if (_tableStateInstance != null)
{
_tableStateInstance.AddEventUnadorned(natural.OptionalSynthetic);
}
else
{
_parent.InternalEventRouter.Route(natural.OptionalSynthetic, _parent.EpStatementHandle, _agentInstanceContext.StatementContext.InternalEventEngineRouteDest, exprEvaluatorContext, _parent.IsAddToFront);
}
}
else
{
if (_audit)
{
AuditPath.AuditInsertInto(_agentInstanceContext.EngineURI, _agentInstanceContext.StatementName, routed);
}
if (_tableStateInstance != null)
{
ExprTableEvalLockUtil.ObtainLockUnless(_tableStateInstance.TableLevelRWLock.WriteLock, exprEvaluatorContext);
_tableStateInstance.AddEventUnadorned(routed);
}
else
{
_parent.InternalEventRouter.Route(routed, _parent.EpStatementHandle, _agentInstanceContext.StatementContext.InternalEventEngineRouteDest, exprEvaluatorContext, _parent.IsAddToFront);
}
}
}
}
private void Route(EventBean routed, int index, ExprEvaluatorContext exprEvaluatorContext)
{
if (Audit)
{
AuditPath.AuditInsertInto(AgentInstanceContext.EngineURI, AgentInstanceContext.StatementName, routed);
}
TableStateInstance tableStateInstance = _tableStateInstances[index];
if (tableStateInstance != null)
{
tableStateInstance.AddEventUnadorned(routed);
}
else
{
bool isNamedWindowInsert = Items[index].IsNamedWindowInsert;
InternalEventRouter.Route(
routed, EPStatementHandle, AgentInstanceContext.StatementContext.InternalEventEngineRouteDest,
exprEvaluatorContext, isNamedWindowInsert);
}
}
public override void HandleMatching(EventBean[] triggerEvents, EventBean[] matchingEvents)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QInfraOnAction(OnTriggerType.ON_SELECT, triggerEvents, matchingEvents);
}
EventBean[] newData;
// clear state from prior results
_resultSetProcessor.Clear();
// build join result
// use linked hash set to retain order of join results for last/first/window to work most intuitively
var newEvents = BuildJoinResult(triggerEvents, matchingEvents);
// process matches
var pair = _resultSetProcessor.ProcessJoinResult(newEvents, _oldEvents, false);
newData = (pair != null ? pair.First : null);
if (_parent.IsDistinct)
{
newData = EventBeanUtility.GetDistinctByProp(newData, _parent.EventBeanReader);
}
if (_tableStateInstanceInsertInto != null)
{
if (newData != null)
{
foreach (var aNewData in newData)
{
if (_audit)
{
AuditPath.AuditInsertInto(ExprEvaluatorContext.EngineURI, ExprEvaluatorContext.StatementName, aNewData);
}
_tableStateInstanceInsertInto.AddEventUnadorned(aNewData);
}
}
}
else if (_parent.InternalEventRouter != null)
{
if (newData != null)
{
foreach (var aNewData in newData)
{
if (_audit)
{
AuditPath.AuditInsertInto(ExprEvaluatorContext.EngineURI, ExprEvaluatorContext.StatementName, aNewData);
}
_parent.InternalEventRouter.Route(aNewData, _parent.StatementHandle, _parent.InternalEventRouteDest, ExprEvaluatorContext, _parent.IsAddToFront);
}
}
}
// The on-select listeners receive the events selected
if ((newData != null) && (newData.Length > 0))
{
// And post only if we have listeners/subscribers that need the data
if (_parent.StatementResultService.IsMakeNatural || _parent.StatementResultService.IsMakeSynthetic)
{
UpdateChildren(newData, null);
}
}
_lastResult = newData;
// clear state from prior results
_resultSetProcessor.Clear();
// Events to delete are indicated via old data
if (_isDelete)
{
RootView.Update(null, matchingEvents);
}
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AInfraOnAction();
}
}
