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));
}
