public ExprDotNodeForgeRootChild( ExprDotNodeImpl parent, FilterExprAnalyzerAffector filterExprAnalyzerAffector, int? streamNumReferenced, string rootPropertyName, bool hasEnumerationMethod, ExprForge rootNodeForge, ExprEnumerationForge rootLambdaEvaluator, EPType typeInfo, ExprDotForge[] forgesIteratorEventBean, ExprDotForge[] forgesUnpacking, bool checkedUnpackEvent) { Parent = parent; FilterExprAnalyzerAffector = filterExprAnalyzerAffector; StreamNumReferenced = streamNumReferenced; RootPropertyName = rootPropertyName; if (rootLambdaEvaluator != null) { if (typeInfo is EventMultiValuedEPType eventMultiValuedEpType) { innerForge = new InnerDotEnumerableEventCollectionForge( rootLambdaEvaluator, eventMultiValuedEpType.Component); } else if (typeInfo is EventEPType eventEpType) { innerForge = new InnerDotEnumerableEventBeanForge( rootLambdaEvaluator, eventEpType.EventType); } else { innerForge = new InnerDotEnumerableScalarCollectionForge( rootLambdaEvaluator, ((ClassMultiValuedEPType) typeInfo).Component); } } else { if (checkedUnpackEvent) { innerForge = new InnerDotScalarUnpackEventForge(rootNodeForge); } else { var returnType = rootNodeForge.EvaluationType; if (hasEnumerationMethod && returnType.IsArray) { if (returnType.GetElementType().CanNotBeNull()) { innerForge = new InnerDotArrPrimitiveToCollForge(rootNodeForge); } else { innerForge = new InnerDotArrObjectToCollForge(rootNodeForge); } } else if (hasEnumerationMethod && returnType.IsGenericCollection()) { innerForge = new InnerDotCollForge(rootNodeForge); } else { innerForge = new InnerDotScalarForge(rootNodeForge); } } } this.forgesUnpacking = forgesUnpacking; this.forgesIteratorEventBean = forgesIteratorEventBean; }
public ExprDotNodeForgeStream( ExprDotNodeImpl parent, FilterExprAnalyzerAffector filterExprAnalyzerAffector, int streamNumber, EventType eventType, ExprDotForge[] evaluators, bool method) { this.parent = parent; FilterExprAnalyzerAffector = filterExprAnalyzerAffector; StreamNumber = streamNumber; EventType = eventType; Evaluators = evaluators; this.method = method; var last = evaluators[evaluators.Length - 1]; if (!method) { if (last.TypeInfo is ClassMultiValuedEPType) { EvaluationType = EPTypeHelper.GetClassMultiValuedContainer(last.TypeInfo).GetBoxedType(); } else { EvaluationType = EPTypeHelper.GetClassSingleValued(last.TypeInfo).GetBoxedType(); } } else { EvaluationType = EPTypeHelper.GetNormalizedClass(last.TypeInfo).GetBoxedType(); } }
public ExprDotDTMethodDesc( ExprDotForge forge, EPType returnType, FilterExprAnalyzerAffector intervalFilterDesc) { this.forge = forge; this.returnType = returnType; this.intervalFilterDesc = intervalFilterDesc; }
public ExprDotNodeRealizedChain( ExprDotForge[] chain, ExprDotForge[] chainWithUnpack, FilterExprAnalyzerAffector filterAnalyzerDesc) { Chain = chain; ChainWithUnpack = chainWithUnpack; FilterAnalyzerDesc = filterAnalyzerDesc; }
public override ExprNode Validate(ExprValidationContext validationContext) { // check for plannable methods: these are validated according to different rules var appDotMethod = GetAppDotMethod(validationContext.IsFilterExpression); if (appDotMethod != null) { return(appDotMethod); } // validate all parameters ExprNodeUtility.Validate(ExprNodeOrigin.DOTNODEPARAMETER, _chainSpec, validationContext); // determine if there are enumeration method expressions in the chain var hasEnumerationMethod = _chainSpec .Any(chain => chain.Name.IsEnumerationMethod()); // determine if there is an implied binding, replace first chain element with evaluation node if there is if (validationContext.StreamTypeService.HasTableTypes && validationContext.TableService != null && _chainSpec.Count > 1 && _chainSpec[0].IsProperty) { var tableNode = validationContext.TableService.GetTableNodeChainable( validationContext.StreamTypeService, _chainSpec, validationContext.EngineImportService); if (tableNode != null) { var node = ExprNodeUtility.GetValidatedSubtree( ExprNodeOrigin.DOTNODE, tableNode.First, validationContext); if (tableNode.Second.IsEmpty()) { return(node); } _chainSpec.Clear(); _chainSpec.AddAll(tableNode.Second); AddChildNode(node); } } // The root node expression may provide the input value: // Such as "Window(*).DoIt(...)" or "(select * from Window).DoIt()" or "Prevwindow(sb).DoIt(...)", in which case the expression to act on is a child expression // var streamTypeService = validationContext.StreamTypeService; if (ChildNodes.Count != 0) { // the root expression is the first child node var rootNode = ChildNodes[0]; var rootNodeEvaluator = rootNode.ExprEvaluator; // the root expression may also provide a lambda-function input (Iterator<EventBean>) // Determine collection-type and evaluator if any for root node var enumSrc = ExprDotNodeUtility.GetEnumerationSource( rootNode, validationContext.StreamTypeService, validationContext.EventAdapterService, validationContext.StatementId, hasEnumerationMethod, validationContext.IsDisablePropertyExpressionEventCollCache); EPType typeInfoX; if (enumSrc.ReturnType == null) { typeInfoX = EPTypeHelper.SingleValue(rootNodeEvaluator.ReturnType); // not a collection type, treat as scalar } else { typeInfoX = enumSrc.ReturnType; } var evalsX = ExprDotNodeUtility.GetChainEvaluators( enumSrc.StreamOfProviderIfApplicable, typeInfoX, _chainSpec, validationContext, _isDuckTyping, new ExprDotNodeFilterAnalyzerInputExpr()); _exprEvaluator = new ExprDotEvalRootChild( hasEnumerationMethod, this, rootNodeEvaluator, enumSrc.Enumeration, typeInfoX, evalsX.Chain, evalsX.ChainWithUnpack, false); return(null); } // No root node, and this is a 1-element chain i.e. "Something(param,...)". // Plug-in single-row methods are not handled here. // Plug-in aggregation methods are not handled here. Pair <PropertyResolutionDescriptor, string> propertyInfoPair; if (_chainSpec.Count == 1) { var spec = _chainSpec[0]; if (spec.Parameters.IsEmpty()) { throw HandleNotFound(spec.Name); } // single-parameter can resolve to a property propertyInfoPair = null; try { propertyInfoPair = ExprIdentNodeUtil.GetTypeFromStream( streamTypeService, spec.Name, streamTypeService.HasPropertyAgnosticType, false); } catch (ExprValidationPropertyException) { // fine } // if not a property then try built-in single-row non-grammar functions if (propertyInfoPair == null && String.Equals( spec.Name, EngineImportServiceConstants.EXT_SINGLEROW_FUNCTION_TRANSPOSE, StringComparison.InvariantCultureIgnoreCase)) { if (spec.Parameters.Count != 1) { throw new ExprValidationException( "The " + EngineImportServiceConstants.EXT_SINGLEROW_FUNCTION_TRANSPOSE + " function requires a single parameter expression"); } _exprEvaluator = new ExprDotEvalTransposeAsStream(_chainSpec[0].Parameters[0].ExprEvaluator); } else if (spec.Parameters.Count != 1) { throw HandleNotFound(spec.Name); } else { if (propertyInfoPair == null) { throw new ExprValidationException( "Unknown single-row function, aggregation function or mapped or indexed property named '" + spec.Name + "' could not be resolved"); } _exprEvaluator = GetPropertyPairEvaluator( spec.Parameters[0].ExprEvaluator, propertyInfoPair, validationContext); _streamNumReferenced = propertyInfoPair.First.StreamNum; } return(null); } // handle the case where the first chain spec element is a stream name. ExprValidationException prefixedStreamNumException = null; var prefixedStreamNumber = PrefixedStreamName(_chainSpec, validationContext.StreamTypeService); EPType typeInfo; if (prefixedStreamNumber != -1) { var specAfterStreamName = _chainSpec[1]; // Attempt to resolve as property propertyInfoPair = null; try { var propName = _chainSpec[0].Name + "." + specAfterStreamName.Name; propertyInfoPair = ExprIdentNodeUtil.GetTypeFromStream( streamTypeService, propName, streamTypeService.HasPropertyAgnosticType, false); } catch (ExprValidationPropertyException) { // fine } if (propertyInfoPair != null) { if (specAfterStreamName.Parameters.Count != 1) { throw HandleNotFound(specAfterStreamName.Name); } _exprEvaluator = GetPropertyPairEvaluator( specAfterStreamName.Parameters[0].ExprEvaluator, propertyInfoPair, validationContext); _streamNumReferenced = propertyInfoPair.First.StreamNum; return(null); } // Attempt to resolve as event-underlying object instance method var eventType = validationContext.StreamTypeService.EventTypes[prefixedStreamNumber]; var type = eventType.UnderlyingType; var remainderChain = new List <ExprChainedSpec>(_chainSpec); remainderChain.RemoveAt(0); ExprValidationException methodEx = null; ExprDotEval[] underlyingMethodChain = null; try { typeInfo = EPTypeHelper.SingleValue(type); underlyingMethodChain = ExprDotNodeUtility.GetChainEvaluators( prefixedStreamNumber, typeInfo, remainderChain, validationContext, false, new ExprDotNodeFilterAnalyzerInputStream(prefixedStreamNumber)).ChainWithUnpack; } catch (ExprValidationException ex) { methodEx = ex; // expected - may not be able to find the methods on the underlying } ExprDotEval[] eventTypeMethodChain = null; ExprValidationException enumDatetimeEx = null; try { typeInfo = EPTypeHelper.SingleEvent(eventType); var chain = ExprDotNodeUtility.GetChainEvaluators( prefixedStreamNumber, typeInfo, remainderChain, validationContext, false, new ExprDotNodeFilterAnalyzerInputStream(prefixedStreamNumber)); eventTypeMethodChain = chain.ChainWithUnpack; _filterExprAnalyzerAffector = chain.FilterAnalyzerDesc; } catch (ExprValidationException ex) { enumDatetimeEx = ex; // expected - may not be able to find the methods on the underlying } if (underlyingMethodChain != null) { _exprEvaluator = new ExprDotEvalStreamMethod(this, prefixedStreamNumber, underlyingMethodChain); _streamNumReferenced = prefixedStreamNumber; } else if (eventTypeMethodChain != null) { _exprEvaluator = new ExprDotEvalStreamEventBean(this, prefixedStreamNumber, eventTypeMethodChain); _streamNumReferenced = prefixedStreamNumber; } if (_exprEvaluator != null) { return(null); } else { if (ExprDotNodeUtility.IsDatetimeOrEnumMethod(remainderChain[0].Name)) { prefixedStreamNumException = enumDatetimeEx; } else { prefixedStreamNumException = new ExprValidationException( "Failed to solve '" + remainderChain[0].Name + "' to either a date-time or enumeration method, an event property or a method on the event underlying object: " + methodEx.Message, methodEx); } } } // There no root node, in this case the classname or property name is provided as part of the chain. // Such as "MyClass.MyStaticLib(...)" or "mycollectionproperty.DoIt(...)" // var modifiedChain = new List <ExprChainedSpec>(_chainSpec); var firstItem = modifiedChain.DeleteAt(0); propertyInfoPair = null; try { propertyInfoPair = ExprIdentNodeUtil.GetTypeFromStream( streamTypeService, firstItem.Name, streamTypeService.HasPropertyAgnosticType, true); } catch (ExprValidationPropertyException) { // not a property } // If property then treat it as such ExprDotNodeRealizedChain evals; if (propertyInfoPair != null) { var propertyName = propertyInfoPair.First.PropertyName; var streamId = propertyInfoPair.First.StreamNum; var streamType = streamTypeService.EventTypes[streamId]; ExprEvaluatorEnumeration enumerationEval = null; EPType inputType; ExprEvaluator rootNodeEvaluator = null; EventPropertyGetter getter; if (firstItem.Parameters.IsEmpty()) { getter = streamType.GetGetter(propertyInfoPair.First.PropertyName); var propertyEval = ExprDotNodeUtility.GetPropertyEnumerationSource( propertyInfoPair.First.PropertyName, streamId, streamType, hasEnumerationMethod, validationContext.IsDisablePropertyExpressionEventCollCache); typeInfo = propertyEval.ReturnType; enumerationEval = propertyEval.Enumeration; inputType = propertyEval.ReturnType; rootNodeEvaluator = new PropertyExprEvaluatorNonLambda( streamId, getter, propertyInfoPair.First.PropertyType); } else { // property with parameter - mapped or indexed property var desc = EventTypeUtility.GetNestablePropertyDescriptor( streamTypeService.EventTypes[propertyInfoPair.First.StreamNum], firstItem.Name); if (firstItem.Parameters.Count > 1) { throw new ExprValidationException( "Property '" + firstItem.Name + "' may not be accessed passing 2 or more parameters"); } var paramEval = firstItem.Parameters[0].ExprEvaluator; typeInfo = EPTypeHelper.SingleValue(desc.PropertyComponentType); inputType = typeInfo; getter = null; if (desc.IsMapped) { if (paramEval.ReturnType != typeof(string)) { throw new ExprValidationException( "Parameter expression to mapped property '" + propertyName + "' is expected to return a string-type value but returns " + paramEval.ReturnType.GetCleanName()); } var mappedGetter = propertyInfoPair.First.StreamEventType.GetGetterMapped(propertyInfoPair.First.PropertyName); if (mappedGetter == null) { throw new ExprValidationException( "Mapped property named '" + propertyName + "' failed to obtain getter-object"); } rootNodeEvaluator = new PropertyExprEvaluatorNonLambdaMapped( streamId, mappedGetter, paramEval, desc.PropertyComponentType); } if (desc.IsIndexed) { if (paramEval.ReturnType.IsNotInt32()) { throw new ExprValidationException( "Parameter expression to mapped property '" + propertyName + "' is expected to return a int?-type value but returns " + paramEval.ReturnType.GetCleanName()); } var indexedGetter = propertyInfoPair.First.StreamEventType.GetGetterIndexed(propertyInfoPair.First .PropertyName); if (indexedGetter == null) { throw new ExprValidationException( "Mapped property named '" + propertyName + "' failed to obtain getter-object"); } rootNodeEvaluator = new PropertyExprEvaluatorNonLambdaIndexed( streamId, indexedGetter, paramEval, desc.PropertyComponentType); } } if (typeInfo == null) { throw new ExprValidationException( "Property '" + propertyName + "' is not a mapped or indexed property"); } // try to build chain based on the input (non-fragment) var filterAnalyzerInputProp = new ExprDotNodeFilterAnalyzerInputProp( propertyInfoPair.First.StreamNum, propertyInfoPair.First.PropertyName); var rootIsEventBean = false; try { evals = ExprDotNodeUtility.GetChainEvaluators( streamId, inputType, modifiedChain, validationContext, _isDuckTyping, filterAnalyzerInputProp); } catch (ExprValidationException) { // try building the chain based on the fragment event type (i.e. A.After(B) based on A-configured start time where A is a fragment) var fragment = propertyInfoPair.First.FragmentEventType; if (fragment == null) { throw; } EPType fragmentTypeInfo; if (fragment.IsIndexed) { fragmentTypeInfo = EPTypeHelper.CollectionOfEvents(fragment.FragmentType); } else { fragmentTypeInfo = EPTypeHelper.SingleEvent(fragment.FragmentType); } rootIsEventBean = true; evals = ExprDotNodeUtility.GetChainEvaluators( propertyInfoPair.First.StreamNum, fragmentTypeInfo, modifiedChain, validationContext, _isDuckTyping, filterAnalyzerInputProp); rootNodeEvaluator = new PropertyExprEvaluatorNonLambdaFragment( streamId, getter, fragment.FragmentType.UnderlyingType); } _exprEvaluator = new ExprDotEvalRootChild( hasEnumerationMethod, this, rootNodeEvaluator, enumerationEval, inputType, evals.Chain, evals.ChainWithUnpack, !rootIsEventBean); _filterExprAnalyzerAffector = evals.FilterAnalyzerDesc; _streamNumReferenced = propertyInfoPair.First.StreamNum; _rootPropertyName = propertyInfoPair.First.PropertyName; return(null); } // If variable then resolve as such var contextNameVariable = validationContext.VariableService.IsContextVariable(firstItem.Name); if (contextNameVariable != null) { throw new ExprValidationException("Method invocation on context-specific variable is not supported"); } var variableReader = validationContext.VariableService.GetReader( firstItem.Name, EPStatementStartMethodConst.DEFAULT_AGENT_INSTANCE_ID); if (variableReader != null) { EPType typeInfoX; ExprDotStaticMethodWrap wrap; if (variableReader.VariableMetaData.VariableType.IsArray) { typeInfoX = EPTypeHelper.CollectionOfSingleValue( variableReader.VariableMetaData.VariableType.GetElementType()); wrap = new ExprDotStaticMethodWrapArrayScalar( variableReader.VariableMetaData.VariableName, variableReader.VariableMetaData.VariableType.GetElementType()); } else if (variableReader.VariableMetaData.EventType != null) { typeInfoX = EPTypeHelper.SingleEvent(variableReader.VariableMetaData.EventType); wrap = null; } else { typeInfoX = EPTypeHelper.SingleValue(variableReader.VariableMetaData.VariableType); wrap = null; } var evalsX = ExprDotNodeUtility.GetChainEvaluators( null, typeInfoX, modifiedChain, validationContext, false, new ExprDotNodeFilterAnalyzerInputStatic()); _exprEvaluator = new ExprDotEvalVariable(this, variableReader, wrap, evalsX.ChainWithUnpack); return(null); } // try resolve as enumeration class with value var enumconstant = TypeHelper.ResolveIdentAsEnumConst( firstItem.Name, validationContext.EngineImportService, false); if (enumconstant != null) { // try resolve method var methodSpec = modifiedChain[0]; var enumvalue = firstItem.Name; var handler = new ProxyExprNodeUtilResolveExceptionHandler { ProcHandle = ex => new ExprValidationException( "Failed to resolve method '" + methodSpec.Name + "' on enumeration value '" + enumvalue + "': " + ex.Message) }; var wildcardType = validationContext.StreamTypeService.EventTypes.Length != 1 ? null : validationContext.StreamTypeService.EventTypes[0]; var methodDesc = ExprNodeUtility.ResolveMethodAllowWildcardAndStream( enumconstant.GetType().FullName, enumconstant.GetType(), methodSpec.Name, methodSpec.Parameters, validationContext.EngineImportService, validationContext.EventAdapterService, validationContext.StatementId, wildcardType != null, wildcardType, handler, methodSpec.Name, validationContext.TableService, streamTypeService.EngineURIQualifier); // method resolved, hook up modifiedChain.RemoveAt(0); // we identified this piece var optionalLambdaWrapX = ExprDotStaticMethodWrapFactory.Make( methodDesc.ReflectionMethod, validationContext.EventAdapterService, modifiedChain, null); var typeInfoX = optionalLambdaWrapX != null ? optionalLambdaWrapX.TypeInfo : EPTypeHelper.SingleValue(methodDesc.FastMethod.ReturnType); var evalsX = ExprDotNodeUtility.GetChainEvaluators( null, typeInfoX, modifiedChain, validationContext, false, new ExprDotNodeFilterAnalyzerInputStatic()); _exprEvaluator = new ExprDotEvalStaticMethod( validationContext.StatementName, firstItem.Name, methodDesc.FastMethod, methodDesc.ChildEvals, false, optionalLambdaWrapX, evalsX.ChainWithUnpack, false, enumconstant); return(null); } // if prefixed by a stream name, we are giving up if (prefixedStreamNumException != null) { throw prefixedStreamNumException; } // If class then resolve as class var secondItem = modifiedChain.DeleteAt(0); var allowWildcard = validationContext.StreamTypeService.EventTypes.Length == 1; EventType streamZeroType = null; if (validationContext.StreamTypeService.EventTypes.Length > 0) { streamZeroType = validationContext.StreamTypeService.EventTypes[0]; } var method = ExprNodeUtility.ResolveMethodAllowWildcardAndStream( firstItem.Name, null, secondItem.Name, secondItem.Parameters, validationContext.EngineImportService, validationContext.EventAdapterService, validationContext.StatementId, allowWildcard, streamZeroType, new ExprNodeUtilResolveExceptionHandlerDefault(firstItem.Name + "." + secondItem.Name, false), secondItem.Name, validationContext.TableService, streamTypeService.EngineURIQualifier); var isConstantParameters = method.IsAllConstants && _isUdfCache; _isReturnsConstantResult = isConstantParameters && modifiedChain.IsEmpty(); // this may return a pair of null if there is no lambda or the result cannot be wrapped for lambda-function use var optionalLambdaWrap = ExprDotStaticMethodWrapFactory.Make( method.ReflectionMethod, validationContext.EventAdapterService, modifiedChain, null); typeInfo = optionalLambdaWrap != null ? optionalLambdaWrap.TypeInfo : EPTypeHelper.SingleValue(method.ReflectionMethod.ReturnType); evals = ExprDotNodeUtility.GetChainEvaluators( null, typeInfo, modifiedChain, validationContext, false, new ExprDotNodeFilterAnalyzerInputStatic()); _exprEvaluator = new ExprDotEvalStaticMethod( validationContext.StatementName, firstItem.Name, method.FastMethod, method.ChildEvals, isConstantParameters, optionalLambdaWrap, evals.ChainWithUnpack, false, null); return(null); }
public static ExprDotEvalDTMethodDesc ValidateMake( StreamTypeService streamTypeService, Deque <ExprChainedSpec> chainSpecStack, DatetimeMethodEnum dtMethod, String dtMethodName, EPType inputType, IList <ExprNode> parameters, ExprDotNodeFilterAnalyzerInput inputDesc, TimeZoneInfo timeZone, TimeAbacus timeAbacus) { // verify input String message = "Date-time enumeration method '" + dtMethodName + "' requires either a DateTime, DateTimeEx 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) { ClassEPType classEPType = (ClassEPType)inputType; if (!TypeHelper.IsDateTime(classEPType.Clazz)) { throw new ExprValidationException( message + " but received " + classEPType.Clazz.GetCleanName()); } } } IList <CalendarOp> calendarOps = new List <CalendarOp>(); ReformatOp reformatOp = null; IntervalOp intervalOp = null; DatetimeMethodEnum currentMethod = dtMethod; IList <ExprNode> currentParameters = parameters; String currentMethodName = dtMethodName; // drain all calendar ops FilterExprAnalyzerAffector filterAnalyzerDesc = null; while (true) { // handle the first one only if its a calendar op var evaluators = GetEvaluators(currentParameters); var opFactory = currentMethod.MetaData().OpFactory; // compile parameter abstract for validation against available footprints var footprintProvided = DotMethodUtil.GetProvidedFootprint(currentParameters); // validate parameters DotMethodUtil.ValidateParametersDetermineFootprint( currentMethod.Footprints(), DotMethodTypeEnum.DATETIME, currentMethodName, footprintProvided, DotMethodInputTypeMatcherImpl.DEFAULT_ALL); if (opFactory is CalendarOpFactory) { CalendarOp calendarOp = ((CalendarOpFactory)opFactory).GetOp(currentMethod, currentMethodName, currentParameters, evaluators); calendarOps.Add(calendarOp); } else if (opFactory is ReformatOpFactory) { reformatOp = ((ReformatOpFactory)opFactory).GetOp(timeZone, timeAbacus, currentMethod, currentMethodName, currentParameters); // compile filter analyzer information if there are no calendar ops in the chain if (calendarOps.IsEmpty()) { filterAnalyzerDesc = reformatOp.GetFilterDesc(streamTypeService.EventTypes, currentMethod, currentParameters, inputDesc); } else { filterAnalyzerDesc = null; } } else if (opFactory is IntervalOpFactory) { intervalOp = ((IntervalOpFactory)opFactory).GetOp(streamTypeService, currentMethod, currentMethodName, currentParameters, timeZone, timeAbacus); // compile filter analyzer information if there are no calendar ops in the chain if (calendarOps.IsEmpty()) { filterAnalyzerDesc = intervalOp.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() || !DatetimeMethodEnumExtensions.IsDateTimeMethod(chainSpecStack.First.Name)) { break; } // pull next var next = chainSpecStack.RemoveFirst(); currentMethod = DatetimeMethodEnumExtensions.FromName(next.Name); currentParameters = next.Parameters; currentMethodName = next.Name; if ((reformatOp != null || intervalOp != null)) { throw new ExprValidationException("Invalid input for date-time method '" + next.Name + "'"); } } ExprDotEval dotEval; EPType returnType; dotEval = new ExprDotEvalDT( calendarOps, timeZone, timeAbacus, reformatOp, intervalOp, EPTypeHelper.GetClassSingleValued(inputType), EPTypeHelper.GetEventTypeSingleValued(inputType)); returnType = dotEval.TypeInfo; return(new ExprDotEvalDTMethodDesc(dotEval, returnType, filterAnalyzerDesc)); }
public static ExprDotNodeRealizedChain GetChainEvaluators( int?streamOfProviderIfApplicable, EPType inputType, IList <ExprChainedSpec> chainSpec, ExprValidationContext validationContext, bool isDuckTyping, ExprDotNodeFilterAnalyzerInput inputDesc) { var methodEvals = new List <ExprDotEval>(); var currentInputType = inputType; EnumMethodEnum? lastLambdaFunc = null; var lastElement = chainSpec.IsEmpty() ? null : chainSpec[chainSpec.Count - 1]; FilterExprAnalyzerAffector filterAnalyzerDesc = null; var chainSpecStack = new ArrayDeque <ExprChainedSpec>(chainSpec); while (!chainSpecStack.IsEmpty()) { var chainElement = chainSpecStack.RemoveFirst(); lastLambdaFunc = null; // reset // compile parameters for chain element var paramEvals = new ExprEvaluator[chainElement.Parameters.Count]; var paramTypes = new Type[chainElement.Parameters.Count]; for (var i = 0; i < chainElement.Parameters.Count; i++) { paramEvals[i] = chainElement.Parameters[i].ExprEvaluator; paramTypes[i] = paramEvals[i].ReturnType; } // check if special 'size' method if (currentInputType is ClassMultiValuedEPType) { var type = (ClassMultiValuedEPType)currentInputType; if ((chainElement.Name.ToLower() == "size") && paramTypes.Length == 0 && Equals(lastElement, chainElement)) { var sizeExpr = new ExprDotEvalArraySize(); methodEvals.Add(sizeExpr); currentInputType = sizeExpr.TypeInfo; continue; } if ((chainElement.Name.ToLower() == "get") && paramTypes.Length == 1 && paramTypes[0].IsInt32()) { var componentType = type.Component; var get = new ExprDotEvalArrayGet(paramEvals[0], componentType); methodEvals.Add(get); currentInputType = get.TypeInfo; continue; } } // determine if there is a matching method var matchingMethod = false; var methodTarget = GetMethodTarget(currentInputType); if (methodTarget != null) { try { GetValidateMethodDescriptor(methodTarget, chainElement.Name, chainElement.Parameters, validationContext); matchingMethod = true; } catch (ExprValidationException) { // expected } } // resolve lambda if (chainElement.Name.IsEnumerationMethod() && (!matchingMethod || methodTarget.IsArray || methodTarget.IsImplementsInterface(typeof(ICollection <object>)))) { var enumerationMethod = EnumMethodEnumExtensions.FromName(chainElement.Name); var eval = TypeHelper.Instantiate <ExprDotEvalEnumMethod>(enumerationMethod.GetImplementation()); eval.Init(streamOfProviderIfApplicable, enumerationMethod, chainElement.Name, currentInputType, chainElement.Parameters, validationContext); currentInputType = eval.TypeInfo; if (currentInputType == null) { throw new IllegalStateException("Enumeration method '" + chainElement.Name + "' has not returned type information"); } methodEvals.Add(eval); lastLambdaFunc = enumerationMethod; continue; } // resolve datetime if (chainElement.Name.IsDateTimeMethod() && (!matchingMethod || methodTarget == typeof(DateTimeOffset?))) { var datetimeMethod = DatetimeMethodEnumExtensions.FromName(chainElement.Name); var datetimeImpl = ExprDotEvalDTFactory.ValidateMake( validationContext.StreamTypeService, chainSpecStack, datetimeMethod, chainElement.Name, currentInputType, chainElement.Parameters, inputDesc, validationContext.EngineImportService.TimeZone, validationContext.EngineImportService.TimeAbacus); currentInputType = datetimeImpl.ReturnType; if (currentInputType == null) { throw new IllegalStateException("Date-time method '" + chainElement.Name + "' has not returned type information"); } methodEvals.Add(datetimeImpl.Eval); filterAnalyzerDesc = datetimeImpl.IntervalFilterDesc; continue; } // try to resolve as property if the last method returned a type if (currentInputType is EventEPType) { var inputEventType = ((EventEPType)currentInputType).EventType; var type = inputEventType.GetPropertyType(chainElement.Name); var getter = inputEventType.GetGetter(chainElement.Name); if (type != null && getter != null) { var noduck = new ExprDotEvalProperty(getter, EPTypeHelper.SingleValue(type.GetBoxedType())); methodEvals.Add(noduck); currentInputType = EPTypeHelper.SingleValue(EPTypeHelper.GetClassSingleValued(noduck.TypeInfo)); continue; } } // Finally try to resolve the method if (methodTarget != null) { try { // find descriptor again, allow for duck typing var desc = GetValidateMethodDescriptor(methodTarget, chainElement.Name, chainElement.Parameters, validationContext); var fastMethod = desc.FastMethod; paramEvals = desc.ChildEvals; ExprDotEval eval; if (currentInputType is ClassEPType) { // if followed by an enumeration method, convert array to collection if (fastMethod.ReturnType.IsArray && !chainSpecStack.IsEmpty() && chainSpecStack.First.Name.IsEnumerationMethod()) { eval = new ExprDotMethodEvalNoDuckWrapArray(validationContext.StatementName, fastMethod, paramEvals); } else { eval = new ExprDotMethodEvalNoDuck(validationContext.StatementName, fastMethod, paramEvals); } } else { eval = new ExprDotMethodEvalNoDuckUnderlying(validationContext.StatementName, fastMethod, paramEvals); } methodEvals.Add(eval); currentInputType = eval.TypeInfo; } catch (Exception e) { if (!isDuckTyping) { throw new ExprValidationException(e.Message, e); } else { var duck = new ExprDotMethodEvalDuck(validationContext.StatementName, validationContext.EngineImportService, chainElement.Name, paramTypes, paramEvals); methodEvals.Add(duck); currentInputType = duck.TypeInfo; } } continue; } var message = "Could not find event property, enumeration method or instance method named '" + chainElement.Name + "' in " + currentInputType.ToTypeDescriptive(); throw new ExprValidationException(message); } var intermediateEvals = methodEvals.ToArray(); if (lastLambdaFunc != null) { ExprDotEval finalEval = null; if (currentInputType is EventMultiValuedEPType) { var mvType = (EventMultiValuedEPType)currentInputType; var tableMetadata = validationContext.TableService.GetTableMetadataFromEventType(mvType.Component); if (tableMetadata != null) { finalEval = new ExprDotEvalUnpackCollEventBeanTable(mvType.Component, tableMetadata); } else { finalEval = new ExprDotEvalUnpackCollEventBean(mvType.Component); } } else if (currentInputType is EventEPType) { var epType = (EventEPType)currentInputType; var tableMetadata = validationContext.TableService.GetTableMetadataFromEventType(epType.EventType); if (tableMetadata != null) { finalEval = new ExprDotEvalUnpackBeanTable(epType.EventType, tableMetadata); } else { finalEval = new ExprDotEvalUnpackBean(epType.EventType); } } if (finalEval != null) { methodEvals.Add(finalEval); } } var unpackingEvals = methodEvals.ToArray(); return(new ExprDotNodeRealizedChain(intermediateEvals, unpackingEvals, filterAnalyzerDesc)); }
public static ExprDotDTMethodDesc ValidateMake( StreamTypeService streamTypeService, Deque<Chainable> chainSpecStack, DatetimeMethodDesc dtMethod, string dtMethodName, EPType inputType, IList<ExprNode> parameters, ExprDotNodeFilterAnalyzerInput inputDesc, TimeAbacus timeAbacus, TableCompileTimeResolver tableCompileTimeResolver, ImportServiceCompileTime importService, StatementRawInfo statementRawInfo) { // 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 eventEpType) { if (eventEpType.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 classEpType) { 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.ForgeFactory; // compile parameter abstract for validation against available footprints var footprintProvided = DotMethodUtil.GetProvidedFootprint(currentParameters); // validate parameters var footprintFound = DotMethodUtil.ValidateParametersDetermineFootprint( currentMethod.Footprints, DotMethodTypeEnum.DATETIME, currentMethodName, footprintProvided, DotMethodInputTypeMatcherImpl.DEFAULT_ALL); if (opFactory is CalendarForgeFactory calendarForgeFactory) { var calendarForge = calendarForgeFactory.GetOp( currentMethod, currentMethodName, currentParameters, forges); calendarForges.Add(calendarForge); } else if (opFactory is ReformatForgeFactory reformatForgeFactory) { reformatForge = reformatForgeFactory.GetForge( inputType, timeAbacus, currentMethod, currentMethodName, currentParameters); // 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 intervalForgeFactory) { intervalForge = intervalForgeFactory.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 if (opFactory is DTMPluginForgeFactory dtmPluginForgeFactory) { var usageDesc = new DateTimeMethodValidateContext( footprintFound, streamTypeService, currentMethod, currentParameters, statementRawInfo); var ops = dtmPluginForgeFactory.Validate(usageDesc); if (ops == null) { throw new ExprValidationException( "Plug-in datetime method provider " + dtmPluginForgeFactory.GetType() + " returned a null-value for the operations"); } var input = EPTypeHelper.GetClassSingleValued(inputType); if (ops is DateTimeMethodOpsModify dateTimeMethodOpsModify) { calendarForges.Add(new DTMPluginValueChangeForge(input, dateTimeMethodOpsModify, usageDesc.CurrentParameters)); } else if (ops is DateTimeMethodOpsReformat dateTimeMethodOpsReformat) { reformatForge = new DTMPluginReformatForge(input, dateTimeMethodOpsReformat, usageDesc.CurrentParameters); } else { throw new ExprValidationException("Plug-in datetime method ops " + ops.GetType() + " is not recognized"); } // no action } else { throw new IllegalStateException("Invalid op factory class " + opFactory); } // see if there is more if (chainSpecStack.IsEmpty() || !DatetimeMethodResolver.IsDateTimeMethod(chainSpecStack.First.GetRootNameOrEmptyString(), importService)) { break; } // pull next var next = chainSpecStack.RemoveFirst(); currentMethodName = next.GetRootNameOrEmptyString(); currentMethod = DatetimeMethodResolver.FromName(currentMethodName, importService); currentParameters = next.GetParametersOrEmpty(); if (reformatForge != null || intervalForge != null) { throw new ExprValidationException("Invalid input for date-time method '" + currentMethodName + "'"); } } var dotForge = new ExprDotDTForge( calendarForges, timeAbacus, reformatForge, intervalForge, inputType.GetClassSingleValued(), inputType.GetEventTypeSingleValued()); var returnType = dotForge.TypeInfo; return new ExprDotDTMethodDesc(dotForge, returnType, filterAnalyzerDesc); }
public ExprDotEvalDTMethodDesc(ExprDotEval eval, EPType returnType, FilterExprAnalyzerAffector intervalFilterDesc) { Eval = eval; ReturnType = returnType; IntervalFilterDesc = intervalFilterDesc; }
public static ExprDotNodeRealizedChain GetChainEvaluators( int? streamOfProviderIfApplicable, EPType inputType, IList<ExprChainedSpec> chainSpec, ExprValidationContext validationContext, bool isDuckTyping, ExprDotNodeFilterAnalyzerInput inputDesc) { IList<ExprDotForge> methodForges = new List<ExprDotForge>(); var currentInputType = inputType; EnumMethodEnum? lastLambdaFunc = null; var lastElement = chainSpec.IsEmpty() ? null : chainSpec[chainSpec.Count - 1]; FilterExprAnalyzerAffector filterAnalyzerDesc = null; Deque<ExprChainedSpec> chainSpecStack = new ArrayDeque<ExprChainedSpec>(chainSpec); while (!chainSpecStack.IsEmpty()) { var chainElement = chainSpecStack.RemoveFirst(); lastLambdaFunc = null; // reset // compile parameters for chain element var paramForges = new ExprForge[chainElement.Parameters.Count]; var paramTypes = new Type[chainElement.Parameters.Count]; for (var i = 0; i < chainElement.Parameters.Count; i++) { paramForges[i] = chainElement.Parameters[i].Forge; paramTypes[i] = paramForges[i].EvaluationType; } // check if special 'size' method if (currentInputType is ClassMultiValuedEPType) { var type = (ClassMultiValuedEPType) currentInputType; if (chainElement.Name.Equals("size", StringComparison.InvariantCultureIgnoreCase) && paramTypes.Length == 0 && lastElement == chainElement) { var sizeExpr = new ExprDotForgeArraySize(); methodForges.Add(sizeExpr); currentInputType = sizeExpr.TypeInfo; continue; } if (chainElement.Name.Equals("get", StringComparison.InvariantCultureIgnoreCase) && paramTypes.Length == 1 && Boxing.GetBoxedType(paramTypes[0]) == typeof(int?)) { var componentType = Boxing.GetBoxedType(type.Component); var get = new ExprDotForgeArrayGet(paramForges[0], componentType); methodForges.Add(get); currentInputType = get.TypeInfo; continue; } } // determine if there is a matching method var matchingMethod = false; var methodTarget = GetMethodTarget(currentInputType); if (methodTarget != null) { try { GetValidateMethodDescriptor( methodTarget, chainElement.Name, chainElement.Parameters, validationContext); matchingMethod = true; } catch (ExprValidationException) { // expected } } if (EnumMethodEnumExtensions.IsEnumerationMethod(chainElement.Name) && (!matchingMethod || methodTarget.IsArray || methodTarget.IsGenericCollection())) { var enumerationMethod = EnumMethodEnumExtensions.FromName(chainElement.Name); if (enumerationMethod == null) { throw new EPException("unable to determine enumeration method from name"); } var eval = TypeHelper.Instantiate<ExprDotForgeEnumMethod>( enumerationMethod.Value.GetImplementation()); eval.Init( streamOfProviderIfApplicable, enumerationMethod.Value, chainElement.Name, currentInputType, chainElement.Parameters, validationContext); currentInputType = eval.TypeInfo; if (currentInputType == null) { throw new IllegalStateException( "Enumeration method '" + chainElement.Name + "' has not returned type information"); } methodForges.Add(eval); lastLambdaFunc = enumerationMethod; continue; } // resolve datetime if (DatetimeMethodEnumHelper.IsDateTimeMethod(chainElement.Name) && (!matchingMethod || methodTarget == typeof(DateTimeEx) || methodTarget == typeof(DateTimeOffset) || methodTarget == typeof(DateTime))) { var dateTimeMethod = DatetimeMethodEnumHelper.FromName(chainElement.Name); var datetimeImpl = ExprDotDTFactory.ValidateMake( validationContext.StreamTypeService, chainSpecStack, dateTimeMethod, chainElement.Name, currentInputType, chainElement.Parameters, inputDesc, validationContext.ImportService.TimeAbacus, null, validationContext.TableCompileTimeResolver); currentInputType = datetimeImpl.ReturnType; if (currentInputType == null) { throw new IllegalStateException( "Date-time method '" + chainElement.Name + "' has not returned type information"); } methodForges.Add(datetimeImpl.Forge); filterAnalyzerDesc = datetimeImpl.IntervalFilterDesc; continue; } // try to resolve as property if the last method returned a type if (currentInputType is EventEPType) { var inputEventType = (EventTypeSPI) ((EventEPType) currentInputType).EventType; var type = inputEventType.GetPropertyType(chainElement.Name); var getter = inputEventType.GetGetterSPI(chainElement.Name); if (type != null && getter != null) { var noduck = new ExprDotForgeProperty( getter, EPTypeHelper.SingleValue(Boxing.GetBoxedType(type))); methodForges.Add(noduck); currentInputType = EPTypeHelper.SingleValue(EPTypeHelper.GetClassSingleValued(noduck.TypeInfo)); continue; } } // Finally try to resolve the method if (methodTarget != null) { try { // find descriptor again, allow for duck typing var desc = GetValidateMethodDescriptor( methodTarget, chainElement.Name, chainElement.Parameters, validationContext); paramForges = desc.ChildForges; ExprDotForge forge; if (currentInputType is ClassEPType) { // if followed by an enumeration method, convert array to collection if (desc.ReflectionMethod.ReturnType.IsArray && !chainSpecStack.IsEmpty() && EnumMethodEnumExtensions.IsEnumerationMethod(chainSpecStack.First.Name)) { forge = new ExprDotMethodForgeNoDuck( validationContext.StatementName, desc.ReflectionMethod, paramForges, ExprDotMethodForgeNoDuck.DuckType.WRAPARRAY); } else { forge = new ExprDotMethodForgeNoDuck( validationContext.StatementName, desc.ReflectionMethod, paramForges, ExprDotMethodForgeNoDuck.DuckType.PLAIN); } } else { forge = new ExprDotMethodForgeNoDuck( validationContext.StatementName, desc.ReflectionMethod, paramForges, ExprDotMethodForgeNoDuck.DuckType.UNDERLYING); } methodForges.Add(forge); currentInputType = forge.TypeInfo; } catch (Exception e) { if (!isDuckTyping) { throw new ExprValidationException(e.Message, e); } var duck = new ExprDotMethodForgeDuck( validationContext.StatementName, validationContext.ImportService, chainElement.Name, paramTypes, paramForges); methodForges.Add(duck); currentInputType = duck.TypeInfo; } continue; } var message = "Could not find event property, enumeration method or instance method named '" + chainElement.Name + "' in " + EPTypeHelper.ToTypeDescriptive(currentInputType); throw new ExprValidationException(message); } var intermediateEvals = methodForges.ToArray(); if (lastLambdaFunc != null) { ExprDotForge finalEval = null; if (currentInputType is EventMultiValuedEPType) { var mvType = (EventMultiValuedEPType) currentInputType; var tableMetadata = validationContext.TableCompileTimeResolver.ResolveTableFromEventType(mvType.Component); if (tableMetadata != null) { finalEval = new ExprDotForgeUnpackCollEventBeanTable(mvType.Component, tableMetadata); } else { finalEval = new ExprDotForgeUnpackCollEventBean(mvType.Component); } } else if (currentInputType is EventEPType) { var epType = (EventEPType) currentInputType; var tableMetadata = validationContext.TableCompileTimeResolver.ResolveTableFromEventType(epType.EventType); if (tableMetadata != null) { finalEval = new ExprDotForgeUnpackBeanTable(epType.EventType, tableMetadata); } else { finalEval = new ExprDotForgeUnpackBean(epType.EventType); } } if (finalEval != null) { methodForges.Add(finalEval); } } var unpackingForges = methodForges.ToArray(); return new ExprDotNodeRealizedChain(intermediateEvals, unpackingForges, filterAnalyzerDesc); }
public static ExprDotNodeRealizedChain GetChainEvaluators( int?streamOfProviderIfApplicable, EPType inputType, IList <Chainable> chainSpec, ExprValidationContext validationContext, bool isDuckTyping, ExprDotNodeFilterAnalyzerInput inputDesc) { var methodForges = new List <ExprDotForge>(); var currentInputType = inputType; EnumMethodDesc lastLambdaFunc = null; var lastElement = chainSpec.IsEmpty() ? null : chainSpec[chainSpec.Count - 1]; FilterExprAnalyzerAffector filterAnalyzerDesc = null; Deque <Chainable> chainSpecStack = new ArrayDeque <Chainable>(chainSpec); while (!chainSpecStack.IsEmpty()) { var chainElement = chainSpecStack.RemoveFirst(); var parameters = chainElement.GetParametersOrEmpty(); var chainElementName = chainElement.GetRootNameOrEmptyString(); var last = chainSpecStack.IsEmpty(); lastLambdaFunc = null; // reset // compile parameters for chain element var paramForges = new ExprForge[parameters.Count]; var paramTypes = new Type[parameters.Count]; for (var i = 0; i < parameters.Count; i++) { paramForges[i] = parameters[i].Forge; paramTypes[i] = paramForges[i].EvaluationType; } // check if special 'size' method if (currentInputType is ClassMultiValuedEPType) { var type = (ClassMultiValuedEPType)currentInputType; if (string.Equals(chainElementName, "size", StringComparison.InvariantCultureIgnoreCase) && paramTypes.Length == 0 && lastElement == chainElement) { ExprDotForge size; var containerType = ((ClassMultiValuedEPType)currentInputType).Container; if (containerType.IsArray) { size = new ExprDotForgeSizeArray(); } else { size = new ExprDotForgeSizeCollection(); } methodForges.Add(size); currentInputType = size.TypeInfo; continue; } if (string.Equals(chainElementName, "get", StringComparison.InvariantCultureIgnoreCase) && paramTypes.Length == 1 && paramTypes[0].GetBoxedType() == typeof(int?)) { ExprDotForge get; var componentType = type.Component.GetBoxedType(); if (type.Container.IsArray) { get = new ExprDotForgeGetArray(paramForges[0], componentType); } else { get = new ExprDotForgeGetCollection(paramForges[0], componentType); } methodForges.Add(get); currentInputType = get.TypeInfo; continue; } if (chainElement is ChainableArray && type.Container.IsArray) { var array = (ChainableArray)chainElement; var typeInfo = currentInputType; var indexExpr = ChainableArray.ValidateSingleIndexExpr( array.Indexes, () => "operation on type " + typeInfo.ToTypeDescriptive()); var componentType = type.Component.GetBoxedType(); var get = new ExprDotForgeGetArray(indexExpr.Forge, componentType); methodForges.Add(get); currentInputType = get.TypeInfo; continue; } } // determine if there is a matching method or property var methodTarget = GetMethodTarget(currentInputType); var matchingMethod = false; if (methodTarget != null && (!(chainElement is ChainableArray))) { try { GetValidateMethodDescriptor(methodTarget, chainElementName, parameters, validationContext); matchingMethod = true; } catch (ExprValidationException) { // expected } } if (EnumMethodResolver.IsEnumerationMethod(chainElementName, validationContext.ImportService) && (!matchingMethod || methodTarget.IsArray || methodTarget.IsGenericCollection())) { var enumerationMethod = EnumMethodResolver.FromName(chainElementName, validationContext.ImportService); if (enumerationMethod == null) { throw new EPException("unable to determine enumeration method from name"); } var eval = enumerationMethod.Factory.Invoke(chainElement.GetParametersOrEmpty().Count); if (currentInputType is ClassEPType classEpType && classEpType.Clazz.IsGenericCollection() && !classEpType.Clazz.IsArray) { currentInputType = EPTypeHelper.CollectionOfSingleValue(typeof(object), null); } eval.Init(streamOfProviderIfApplicable, enumerationMethod, chainElementName, currentInputType, parameters, validationContext); currentInputType = eval.TypeInfo; if (currentInputType == null) { throw new IllegalStateException("Enumeration method '" + chainElementName + "' has not returned type information"); } methodForges.Add(eval); lastLambdaFunc = enumerationMethod; continue; } // resolve datetime if (DatetimeMethodResolver.IsDateTimeMethod(chainElementName, validationContext.ImportService) && (!matchingMethod || methodTarget == typeof(DateTimeEx) || methodTarget == typeof(DateTimeOffset) || methodTarget == typeof(DateTime))) { var datetimeMethod = DatetimeMethodResolver.FromName(chainElementName, validationContext.ImportService); var datetimeImpl = ExprDotDTFactory.ValidateMake( validationContext.StreamTypeService, chainSpecStack, datetimeMethod, chainElementName, currentInputType, parameters, inputDesc, validationContext.ImportService.TimeAbacus, validationContext.TableCompileTimeResolver, validationContext.ImportService, validationContext.StatementRawInfo); currentInputType = datetimeImpl.ReturnType; if (currentInputType == null) { throw new IllegalStateException( "Date-time method '" + chainElementName + "' has not returned type information"); } methodForges.Add(datetimeImpl.Forge); filterAnalyzerDesc = datetimeImpl.IntervalFilterDesc; continue; } // try to resolve as property if the last method returned a type if (currentInputType is EventEPType) { if (chainElement is ChainableArray) { throw new ExprValidationException("Could not perform array operation on type " + currentInputType.ToTypeDescriptive()); } var inputEventType = (EventTypeSPI)((EventEPType)currentInputType).EventType; var type = inputEventType.GetPropertyType(chainElementName); var getter = inputEventType.GetGetterSPI(chainElementName); var fragmentType = inputEventType.GetFragmentType(chainElementName); ExprDotForge forge; if (type != null && getter != null) { if (fragmentType == null || last) { forge = new ExprDotForgeProperty(getter, EPTypeHelper.SingleValue(type.GetBoxedType())); currentInputType = forge.TypeInfo; } else { if (!fragmentType.IsIndexed) { currentInputType = EPTypeHelper.SingleEvent(fragmentType.FragmentType); } else { currentInputType = EPTypeHelper.ArrayOfEvents(fragmentType.FragmentType); } forge = new ExprDotForgePropertyFragment(getter, currentInputType); } methodForges.Add(forge); continue; } } if (currentInputType is EventMultiValuedEPType eventMultiValuedEpType && chainElement is ChainableArray chainableArray) { var inputEventType = (EventTypeSPI)eventMultiValuedEpType.Component; var typeInfo = currentInputType; var indexExpr = ChainableArray.ValidateSingleIndexExpr( chainableArray.Indexes, () => "operation on type " + typeInfo.ToTypeDescriptive()); currentInputType = EPTypeHelper.SingleEvent(inputEventType); var forge = new ExprDotForgeEventArrayAtIndex(currentInputType, indexExpr); methodForges.Add(forge); continue; } // Finally try to resolve the method if (methodTarget != null && !(chainElement is ChainableArray)) { try { // find descriptor again, allow for duck typing var desc = GetValidateMethodDescriptor(methodTarget, chainElementName, parameters, validationContext); paramForges = desc.ChildForges; ExprDotForge forge; if (currentInputType is ClassEPType) { // if followed by an enumeration method, convert array to collection if (desc.ReflectionMethod.ReturnType.IsArray && !chainSpecStack.IsEmpty() && EnumMethodResolver.IsEnumerationMethod(chainSpecStack.First.GetRootNameOrEmptyString(), validationContext.ImportService)) { forge = new ExprDotMethodForgeNoDuck( validationContext.StatementName, desc.ReflectionMethod, paramForges, ExprDotMethodForgeNoDuck.DuckType.WRAPARRAY); } else { forge = new ExprDotMethodForgeNoDuck( validationContext.StatementName, desc.ReflectionMethod, paramForges, ExprDotMethodForgeNoDuck.DuckType.PLAIN); } } else { forge = new ExprDotMethodForgeNoDuck( validationContext.StatementName, desc.ReflectionMethod, paramForges, ExprDotMethodForgeNoDuck.DuckType.UNDERLYING); } methodForges.Add(forge); currentInputType = forge.TypeInfo; } catch (Exception e) { if (!isDuckTyping) { throw new ExprValidationException(e.Message, e); } var duck = new ExprDotMethodForgeDuck( validationContext.StatementName, validationContext.ImportService, chainElementName, paramTypes, paramForges); methodForges.Add(duck); currentInputType = duck.TypeInfo; } continue; } string message; if (!(chainElement is ChainableArray)) { message = "Could not find event property or method named '" + chainElementName + "' in " + currentInputType.ToTypeDescriptive(); } else { message = "Could not perform array operation on type " + currentInputType.ToTypeDescriptive(); } throw new ExprValidationException(message); } var intermediateEvals = methodForges.ToArray(); if (lastLambdaFunc != null) { ExprDotForge finalEval = null; if (currentInputType is EventMultiValuedEPType mvType) { var tableMetadata = validationContext.TableCompileTimeResolver.ResolveTableFromEventType(mvType.Component); if (tableMetadata != null) { finalEval = new ExprDotForgeUnpackCollEventBeanTable(mvType.Component, tableMetadata); } else { finalEval = new ExprDotForgeUnpackCollEventBean(mvType.Component); } } else if (currentInputType is EventEPType epType) { var tableMetadata = validationContext.TableCompileTimeResolver.ResolveTableFromEventType(epType.EventType); if (tableMetadata != null) { finalEval = new ExprDotForgeUnpackBeanTable(epType.EventType, tableMetadata); } else { finalEval = new ExprDotForgeUnpackBean(epType.EventType); } } if (finalEval != null) { methodForges.Add(finalEval); } } var unpackingForges = methodForges.ToArray(); return(new ExprDotNodeRealizedChain(intermediateEvals, unpackingForges, filterAnalyzerDesc)); }