public void Init( int? streamOfProviderIfApplicable, EnumMethodEnum enumMethodEnum, string enumMethodUsedName, EPType typeInfo, IList<ExprNode> parameters, ExprValidationContext validationContext) { var eventTypeColl = typeInfo.GetEventTypeMultiValued(); var eventTypeBean = typeInfo.GetEventTypeSingleValued(); var collectionComponentType = typeInfo.GetClassMultiValued(); this.enumMethodEnum = enumMethodEnum; this.enumMethodUsedName = enumMethodUsedName; streamCountIncoming = validationContext.StreamTypeService.EventTypes.Length; if (eventTypeColl == null && collectionComponentType == null && eventTypeBean == null) { throw new ExprValidationException( "Invalid input for built-in enumeration method '" + enumMethodUsedName + "', expecting collection of event-type or scalar values as input, received " + typeInfo.ToTypeDescriptive()); } // compile parameter abstract for validation against available footprints DotMethodFPProvided footprintProvided = DotMethodUtil.GetProvidedFootprint(parameters); // validate parameters DotMethodInputTypeMatcher inputTypeMatcher = new ProxyDotMethodInputTypeMatcher { ProcMatches = fp => { if (fp.Input == DotMethodFPInputEnum.EVENTCOLL && eventTypeBean == null && eventTypeColl == null) { return false; } if (fp.Input == DotMethodFPInputEnum.SCALAR_ANY && collectionComponentType == null) { return false; } return true; } }; DotMethodFP footprint = DotMethodUtil.ValidateParametersDetermineFootprint( enumMethodEnum.GetFootprints(), DotMethodTypeEnum.ENUM, enumMethodUsedName, footprintProvided, inputTypeMatcher); // validate input criteria met for this footprint if (footprint.Input != DotMethodFPInputEnum.ANY) { var message = "Invalid input for built-in enumeration method '" + enumMethodUsedName + "' and " + footprint.Parameters.Length + "-parameter footprint, expecting collection of "; var received = " as input, received " + EPTypeHelper.ToTypeDescriptive(typeInfo); if (footprint.Input == DotMethodFPInputEnum.EVENTCOLL && eventTypeColl == null) { throw new ExprValidationException(message + "events" + received); } if (footprint.Input.IsScalar() && collectionComponentType == null) { throw new ExprValidationException(message + "values (typically scalar values)" + received); } if (footprint.Input == DotMethodFPInputEnum.SCALAR_NUMERIC && !collectionComponentType.IsNumeric()) { throw new ExprValidationException(message + "numeric values" + received); } } // manage context of this lambda-expression in regards to outer lambda-expression that may call this one. var enumCallStackHelper = validationContext.EnumMethodCallStackHelper; enumCallStackHelper.PushStack(this); IList<ExprDotEvalParam> bodiesAndParameters = new List<ExprDotEvalParam>(); var count = 0; var inputEventType = eventTypeBean == null ? eventTypeColl : eventTypeBean; foreach (var node in parameters) { var bodyAndParameter = GetBodyAndParameter( enumMethodUsedName, count++, node, inputEventType, collectionComponentType, validationContext, bodiesAndParameters, footprint); bodiesAndParameters.Add(bodyAndParameter); } enumForge = GetEnumForge( validationContext.StreamTypeService, enumMethodUsedName, bodiesAndParameters, inputEventType, // TBD: collectionType, may not be applicable collectionComponentType, streamCountIncoming, validationContext.IsDisablePropertyExpressionEventCollCache, validationContext.StatementRawInfo, validationContext.StatementCompileTimeService); enumEvalNumRequiredEvents = enumForge.StreamNumSize; // determine the stream ids of event properties asked for in the evaluator(s) var streamsRequired = new HashSet<int>(); var visitor = new ExprNodeIdentifierCollectVisitor(); foreach (var desc in bodiesAndParameters) { desc.Body.Accept(visitor); foreach (var ident in visitor.ExprProperties) { streamsRequired.Add(ident.StreamId); } } if (streamOfProviderIfApplicable != null) { streamsRequired.Add(streamOfProviderIfApplicable.Value); } // We turn on caching if the stack is not empty (we are an inner lambda) and the dependency does not include the stream. var isInner = !enumCallStackHelper.PopLambda(); if (isInner) { // If none of the properties that the current lambda uses comes from the ultimate parent(s) or subsequent streams, then cache. Deque<ExpressionResultCacheStackEntry> parents = enumCallStackHelper.GetStack(); var found = false; foreach (var req in streamsRequired) { var first = (ExprDotForgeEnumMethodBase) parents.First; var parentIncoming = first.streamCountIncoming - 1; var selfAdded = streamCountIncoming; // the one we use ourselfs if (req > parentIncoming && req < selfAdded) { found = true; } } cache = !found; } }
public static ExprDotDTMethodDesc ValidateMake( StreamTypeService streamTypeService, Deque<ExprChainedSpec> chainSpecStack, DateTimeMethodEnum dtMethod, string dtMethodName, EPType inputType, IList<ExprNode> parameters, ExprDotNodeFilterAnalyzerInput inputDesc, TimeAbacus timeAbacus, ExprEvaluatorContext exprEvaluatorContext, TableCompileTimeResolver tableCompileTimeResolver) { // verify input var message = "Date-time enumeration method '" + dtMethodName + "' requires either a DateTimeEx, DateTimeOffset, DateTime, or long value as input or events of an event type that declares a timestamp property"; if (inputType is EventEPType) { if (((EventEPType) inputType).EventType.StartTimestampPropertyName == null) { throw new ExprValidationException(message); } } else { if (!(inputType is ClassEPType || inputType is NullEPType)) { throw new ExprValidationException( message + " but received " + inputType.ToTypeDescriptive()); } if (inputType is ClassEPType) { var classEPType = (ClassEPType) inputType; if (!TypeHelper.IsDateTime(classEPType.Clazz)) { throw new ExprValidationException( message + " but received " + classEPType.Clazz.CleanName()); } } } IList<CalendarForge> calendarForges = new List<CalendarForge>(); ReformatForge reformatForge = null; IntervalForge intervalForge = null; var currentMethod = dtMethod; var currentParameters = parameters; var currentMethodName = dtMethodName; // drain all calendar op FilterExprAnalyzerAffector filterAnalyzerDesc = null; while (true) { // handle the first one only if its a calendar op var forges = GetForges(currentParameters); var opFactory = currentMethod.GetForgeFactory(); // compile parameter abstract for validation against available footprints DotMethodFPProvided footprintProvided = DotMethodUtil.GetProvidedFootprint(currentParameters); // validate parameters DotMethodUtil.ValidateParametersDetermineFootprint( currentMethod.GetFootprints(), DotMethodTypeEnum.DATETIME, currentMethodName, footprintProvided, DotMethodInputTypeMatcherImpl.DEFAULT_ALL); if (opFactory is CalendarForgeFactory) { var calendarForge = ((CalendarForgeFactory) currentMethod.GetForgeFactory()).GetOp( currentMethod, currentMethodName, currentParameters, forges); calendarForges.Add(calendarForge); } else if (opFactory is ReformatForgeFactory) { reformatForge = ((ReformatForgeFactory) opFactory).GetForge( inputType, timeAbacus, currentMethod, currentMethodName, currentParameters, exprEvaluatorContext); // compile filter analyzer information if there are no calendar op in the chain if (calendarForges.IsEmpty()) { filterAnalyzerDesc = reformatForge.GetFilterDesc( streamTypeService.EventTypes, currentMethod, currentParameters, inputDesc); } else { filterAnalyzerDesc = null; } } else if (opFactory is IntervalForgeFactory) { intervalForge = ((IntervalForgeFactory) opFactory).GetForge( streamTypeService, currentMethod, currentMethodName, currentParameters, timeAbacus, tableCompileTimeResolver); // compile filter analyzer information if there are no calendar op in the chain if (calendarForges.IsEmpty()) { filterAnalyzerDesc = intervalForge.GetFilterDesc( streamTypeService.EventTypes, currentMethod, currentParameters, inputDesc); } else { filterAnalyzerDesc = null; } } else { throw new IllegalStateException("Invalid op factory class " + opFactory); } // see if there is more if (chainSpecStack.IsEmpty() || !DatetimeMethodEnumHelper.IsDateTimeMethod(chainSpecStack.First.Name)) { break; } // pull next var next = chainSpecStack.RemoveFirst(); currentMethod = DatetimeMethodEnumHelper.FromName(next.Name); currentParameters = next.Parameters; currentMethodName = next.Name; if (reformatForge != null || intervalForge != null) { throw new ExprValidationException("Invalid input for date-time method '" + next.Name + "'"); } } ExprDotForge dotForge; EPType returnType; dotForge = new ExprDotDTForge( calendarForges, timeAbacus, reformatForge, intervalForge, inputType.GetClassSingleValued(), inputType.GetEventTypeSingleValued()); returnType = dotForge.TypeInfo; return new ExprDotDTMethodDesc(dotForge, returnType, filterAnalyzerDesc); }