public bool Inspect(MatchedEventMap matchEvent) { var eventsPerStream = convertor.Invoke(matchEvent); try { var result = expression.Evaluate(eventsPerStream, true, quitable.Context.AgentInstanceContext); if (result == null) { return false; } if (true.Equals(result)) { return true; } quitable.GuardQuit(); return false; } catch (EPRuntimeException ex) { var message = "Failed to evaluate expression for pattern-guard for statement '" + quitable.Context.AgentInstanceContext.StatementName + "'"; if (ex.Message != null) { message += ": " + ex.Message; } log.Error(message, ex); throw new EPException(message); } }
public static object GetKeys( MatchedEventMap matchEvent, MatchedEventConvertor convertor, ExprEvaluator expression, AgentInstanceContext agentInstanceContext) { var eventsPerStream = convertor.Invoke(matchEvent); return expression.Evaluate(eventsPerStream, true, agentInstanceContext); }
public TimerScheduleSpec Compute( MatchedEventConvertor optionalConvertor, MatchedEventMap beginState, ExprEvaluatorContext exprEvaluatorContext, TimeZoneInfo timeZone, TimeAbacus timeAbacus) { EventBean[] eventsPerStream = optionalConvertor == null ? null : optionalConvertor.Invoke(beginState); return Compute(date, repetitions, timePeriod, eventsPerStream, exprEvaluatorContext, timeZone, timeAbacus); }
public TimerScheduleSpec Compute( MatchedEventConvertor optionalConvertor, MatchedEventMap beginState, ExprEvaluatorContext exprEvaluatorContext, TimeZoneInfo timeZone, TimeAbacus timeAbacus) { EventBean[] events = optionalConvertor == null ? null : optionalConvertor.Invoke(beginState); return Compute(parameter, events, exprEvaluatorContext); }
public EventObserver MakeObserver( PatternAgentInstanceContext context, MatchedEventMap beginState, ObserverEventEvaluator observerEventEvaluator, object observerState, bool isFilterChildNonQuitting) { var events = convertor == null ? null : convertor.Invoke(beginState); var filename = PatternExpressionUtil.EvaluateChecked( "File-exists observer ", filenameExpression, events, context.AgentInstanceContext); if (filename == null) { throw new EPException("Filename evaluated to null"); } return new MyFileExistsObserver(beginState, observerEventEvaluator, filename.ToString()); }