public static ExprDotEnumerationSourceForProps GetPropertyEnumerationSource(string propertyName, int streamId, EventType streamType, bool allowEnumType, bool disablePropertyExpressionEventCollCache)
{
var propertyType = streamType.GetPropertyType(propertyName);
var typeInfo = EPTypeHelper.SingleValue(propertyType); // assume scalar for now
// no enumeration methods, no need to expose as an enumeration
if (!allowEnumType)
{
return(new ExprDotEnumerationSourceForProps(null, typeInfo, streamId, null));
}
var fragmentEventType = streamType.GetFragmentType(propertyName);
var getter = streamType.GetGetter(propertyName);
ExprEvaluatorEnumeration enumEvaluator = null;
if (getter != null && fragmentEventType != null)
{
if (fragmentEventType.IsIndexed)
{
enumEvaluator = new PropertyExprEvaluatorEventCollection(propertyName, streamId, fragmentEventType.FragmentType, getter, disablePropertyExpressionEventCollCache);
typeInfo = EPTypeHelper.CollectionOfEvents(fragmentEventType.FragmentType);
}
else
{ // we don't want native to require an eventbean instance
enumEvaluator = new PropertyExprEvaluatorEventSingle(streamId, fragmentEventType.FragmentType, getter);
typeInfo = EPTypeHelper.SingleEvent(fragmentEventType.FragmentType);
}
}
else
{
var desc = EventTypeUtility.GetNestablePropertyDescriptor(streamType, propertyName);
if (desc != null && desc.IsIndexed && !desc.RequiresIndex && desc.PropertyComponentType != null)
{
if (propertyType.IsGenericCollection())
{
enumEvaluator = new PropertyExprEvaluatorScalarCollection(propertyName, streamId, getter, desc.PropertyComponentType);
}
else if (propertyType.IsImplementsInterface(typeof(System.Collections.IEnumerable)))
{
enumEvaluator = new PropertyExprEvaluatorScalarIterable(propertyName, streamId, getter, desc.PropertyComponentType);
}
else if (propertyType.IsArray)
{
enumEvaluator = new PropertyExprEvaluatorScalarArray(propertyName, streamId, getter, desc.PropertyComponentType);
}
else
{
throw new IllegalStateException("Property indicated indexed-type but failed to find proper collection adapter for use with enumeration methods");
}
typeInfo = EPTypeHelper.CollectionOfSingleValue(desc.PropertyComponentType);
}
}
var enumEvaluatorGivenEvent = (ExprEvaluatorEnumerationGivenEvent)enumEvaluator;
return(new ExprDotEnumerationSourceForProps(enumEvaluator, typeInfo, streamId, enumEvaluatorGivenEvent));
}
protected ExprDeclaredEvalBase(ExprEvaluator innerEvaluator, ExpressionDeclItem prototype, bool isCache)
{
_innerEvaluator = innerEvaluator;
_prototype = prototype;
if (innerEvaluator is ExprEvaluatorEnumeration)
{
_innerEvaluatorLambda = (ExprEvaluatorEnumeration)innerEvaluator;
}
else
{
_innerEvaluatorLambda = null;
}
_isCache = isCache;
}
public static ExprDotEnumerationSource GetEnumerationSource(ExprNode inputExpression, StreamTypeService streamTypeService, EventAdapterService eventAdapterService, int statementId, bool hasEnumerationMethod, bool disablePropertyExpressionEventCollCache)
{
var rootNodeEvaluator = inputExpression.ExprEvaluator;
ExprEvaluatorEnumeration rootLambdaEvaluator = null;
EPType info = null;
if (rootNodeEvaluator is ExprEvaluatorEnumeration)
{
rootLambdaEvaluator = (ExprEvaluatorEnumeration)rootNodeEvaluator;
if (rootLambdaEvaluator.GetEventTypeCollection(eventAdapterService, statementId) != null)
{
info = EPTypeHelper.CollectionOfEvents(rootLambdaEvaluator.GetEventTypeCollection(eventAdapterService, statementId));
}
else if (rootLambdaEvaluator.GetEventTypeSingle(eventAdapterService, statementId) != null)
{
info = EPTypeHelper.SingleEvent(rootLambdaEvaluator.GetEventTypeSingle(eventAdapterService, statementId));
}
else if (rootLambdaEvaluator.ComponentTypeCollection != null)
{
info = EPTypeHelper.CollectionOfSingleValue(rootLambdaEvaluator.ComponentTypeCollection);
}
else
{
rootLambdaEvaluator = null; // not a lambda evaluator
}
}
else if (inputExpression is ExprIdentNode)
{
var identNode = (ExprIdentNode)inputExpression;
var streamId = identNode.StreamId;
var streamType = streamTypeService.EventTypes[streamId];
return(GetPropertyEnumerationSource(identNode.ResolvedPropertyName, streamId, streamType, hasEnumerationMethod, disablePropertyExpressionEventCollCache));
}
return(new ExprDotEnumerationSource(info, null, rootLambdaEvaluator));
}
public EnumEvalExcept(int numStreams, ExprEvaluatorEnumeration evaluator, bool scalar)
{
_numStreams = numStreams;
_evaluator = evaluator;
_scalar = scalar;
}
public ExprDotEvalRootChild(bool hasEnumerationMethod, ExprDotNode dotNode, ExprEvaluator rootNodeEvaluator, ExprEvaluatorEnumeration rootLambdaEvaluator, EPType typeInfo, ExprDotEval[] evalIteratorEventBean, ExprDotEval[] evalUnpacking, bool checkedUnpackEvent)
{
_dotNode = dotNode;
if (rootLambdaEvaluator != null)
{
if (typeInfo is EventMultiValuedEPType)
{
_innerEvaluator = new InnerEvaluatorEnumerableEventCollection(
rootLambdaEvaluator, ((EventMultiValuedEPType)typeInfo).Component);
}
else if (typeInfo is EventEPType)
{
_innerEvaluator = new InnerEvaluatorEnumerableEventBean(
rootLambdaEvaluator, ((EventEPType)typeInfo).EventType);
}
else
{
_innerEvaluator = new InnerEvaluatorEnumerableScalarCollection(
rootLambdaEvaluator, ((ClassMultiValuedEPType)typeInfo).Component);
}
}
else
{
if (checkedUnpackEvent)
{
_innerEvaluator = new InnerEvaluatorScalarUnpackEvent(rootNodeEvaluator);
}
else
{
var returnType = rootNodeEvaluator.ReturnType;
if (hasEnumerationMethod && returnType.IsArray)
{
if (returnType.GetElementType().IsPrimitive)
{
_innerEvaluator = new InnerEvaluatorArrPrimitiveToColl(rootNodeEvaluator);
}
else
{
_innerEvaluator = new InnerEvaluatorArrObjectToColl(rootNodeEvaluator);
}
}
else if (hasEnumerationMethod && TypeHelper.IsImplementsInterface(returnType, typeof(ICollection <EventBean>)))
{
_innerEvaluator = new InnerEvaluatorColl(rootNodeEvaluator);
}
else
{
_innerEvaluator = new InnerEvaluatorScalar(rootNodeEvaluator);
}
}
}
_evalUnpacking = evalUnpacking;
_evalIteratorEventBean = evalIteratorEventBean;
}
public ExprDotEnumerationSource(EPType returnType, int?streamOfProviderIfApplicable, ExprEvaluatorEnumeration enumeration)
{
ReturnType = returnType;
StreamOfProviderIfApplicable = streamOfProviderIfApplicable;
Enumeration = enumeration;
}
public ExprNodeUtilExprEvalStreamNumEnumSingle(ExprEvaluatorEnumeration enumeration)
{
_enumeration = enumeration;
}
public InnerEvaluatorEnumerableEventCollection(ExprEvaluatorEnumeration rootLambdaEvaluator, EventType eventType)
{
this._rootLambdaEvaluator = rootLambdaEvaluator;
this._eventType = eventType;
}
public InnerEvaluatorEnumerableEventBean(ExprEvaluatorEnumeration rootLambdaEvaluator, EventType eventType)
{
_rootLambdaEvaluator = rootLambdaEvaluator;
_eventType = eventType;
}
public override ExprNode Validate(ExprValidationContext validationContext)
{
// validate all parameters
ExprNodeUtility.Validate(ExprNodeOrigin.DOTNODEPARAMETER, _chainSpec, validationContext);
// determine if there are enumeration method expressions in the chain
bool hasEnumerationMethod = false;
foreach (ExprChainedSpec chain in _chainSpec)
{
if (chain.Name.IsEnumerationMethod())
{
hasEnumerationMethod = true;
break;
}
}
// 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)
{
Pair <ExprNode, IList <ExprChainedSpec> > tableNode =
validationContext.TableService.GetTableNodeChainable(
validationContext.StreamTypeService, _chainSpec,
validationContext.EngineImportService);
if (tableNode != null)
{
ExprNode 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
//
StreamTypeService streamTypeService = validationContext.StreamTypeService;
if (ChildNodes.Length != 0)
{
// the root expression is the first child node
ExprNode rootNode = ChildNodes[0];
ExprEvaluator rootNodeEvaluator = rootNode.ExprEvaluator;
// the root expression may also provide a lambda-function input (GetEnumerator<EventBean>)
// Determine collection-type and evaluator if any for root node
ExprDotEnumerationSource enumSrc = ExprDotNodeUtility.GetEnumerationSource(rootNode, validationContext.StreamTypeService, validationContext.EventAdapterService, validationContext.StatementId, hasEnumerationMethod, validationContext.IsDisablePropertyExpressionEventCollCache);
EPType typeInfo;
if (enumSrc.ReturnType == null)
{
typeInfo = EPTypeHelper.SingleValue(rootNodeEvaluator.ReturnType); // not a collection type, treat as scalar
}
else
{
typeInfo = enumSrc.ReturnType;
}
ExprDotNodeRealizedChain evals = ExprDotNodeUtility.GetChainEvaluators(enumSrc.StreamOfProviderIfApplicable, typeInfo, _chainSpec, validationContext, _isDuckTyping, new ExprDotNodeFilterAnalyzerInputExpr());
_exprEvaluator = new ExprDotEvalRootChild(hasEnumerationMethod, this, rootNodeEvaluator, enumSrc.Enumeration, typeInfo, evals.Chain, evals.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.
if (_chainSpec.Count == 1)
{
ExprChainedSpec spec = _chainSpec[0];
if (spec.Parameters.IsEmpty())
{
throw HandleNotFound(spec.Name);
}
// single-parameter can resolve to a property
Pair <PropertyResolutionDescriptor, string> 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.OrdinalIgnoreCase))
{
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;
int prefixedStreamNumber = PrefixedStreamName(_chainSpec, validationContext.StreamTypeService);
if (prefixedStreamNumber != -1)
{
ExprChainedSpec specAfterStreamName = _chainSpec[1];
// Attempt to resolve as property
Pair <PropertyResolutionDescriptor, string> propertyInfoPair = null;
try {
string 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
EventType eventType = validationContext.StreamTypeService.EventTypes[prefixedStreamNumber];
Type type = eventType.UnderlyingType;
IList <ExprChainedSpec> remainderChain = new List <ExprChainedSpec>(_chainSpec);
remainderChain.RemoveAt(0);
ExprValidationException methodEx = null;
ExprDotEval[] underlyingMethodChain = null;
try {
EPType 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 {
EPType typeInfo = EPTypeHelper.SingleEvent(eventType);
ExprDotNodeRealizedChain chain = ExprDotNodeUtility.GetChainEvaluators(prefixedStreamNumber, typeInfo, remainderChain, validationContext, false, new ExprDotNodeFilterAnalyzerInputStream(prefixedStreamNumber));
eventTypeMethodChain = chain.ChainWithUnpack;
_exprDotNodeFilterAnalyzerDesc = 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(...)"
//
IList <ExprChainedSpec> modifiedChain = new List <ExprChainedSpec>(_chainSpec);
ExprChainedSpec firstItem = modifiedChain.Delete(0);
Pair <PropertyResolutionDescriptor, string> propertyInfoPairX = null;
try {
propertyInfoPairX = ExprIdentNodeUtil.GetTypeFromStream(streamTypeService, firstItem.Name, streamTypeService.HasPropertyAgnosticType, true);
}
catch (ExprValidationPropertyException) {
// not a property
}
// If property then treat it as such
if (propertyInfoPairX != null)
{
string propertyName = propertyInfoPairX.First.PropertyName;
int streamId = propertyInfoPairX.First.StreamNum;
EventType streamType = streamTypeService.EventTypes[streamId];
EPType typeInfo;
ExprEvaluatorEnumeration enumerationEval = null;
EPType inputType;
ExprEvaluator rootNodeEvaluator = null;
EventPropertyGetter getter;
if (firstItem.Parameters.IsEmpty())
{
getter = streamType.GetGetter(propertyInfoPairX.First.PropertyName);
ExprDotEnumerationSourceForProps propertyEval = ExprDotNodeUtility.GetPropertyEnumerationSource(
propertyInfoPairX.First.PropertyName, streamId, streamType, hasEnumerationMethod, validationContext.IsDisablePropertyExpressionEventCollCache);
typeInfo = propertyEval.ReturnType;
enumerationEval = propertyEval.Enumeration;
inputType = propertyEval.ReturnType;
rootNodeEvaluator = new PropertyExprEvaluatorNonLambda(streamId, getter, propertyInfoPairX.First.PropertyType);
}
else
{
// property with parameter - mapped or indexed property
EventPropertyDescriptor desc = EventTypeUtility.GetNestablePropertyDescriptor(streamTypeService.EventTypes[propertyInfoPairX.First.StreamNum], firstItem.Name);
if (firstItem.Parameters.Count > 1)
{
throw new ExprValidationException("Property '" + firstItem.Name + "' may not be accessed passing 2 or more parameters");
}
ExprEvaluator 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.GetTypeNameFullyQualPretty());
}
EventPropertyGetterMapped mappedGetter = propertyInfoPairX.First.StreamEventType.GetGetterMapped(propertyInfoPairX.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.GetBoxedType() != typeof(int?))
{
throw new ExprValidationException("Parameter expression to mapped property '" + propertyName + "' is expected to return a Integer-type value but returns " + paramEval.ReturnType.GetTypeNameFullyQualPretty());
}
EventPropertyGetterIndexed indexedGetter = propertyInfoPairX.First.StreamEventType.GetGetterIndexed(propertyInfoPairX.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)
ExprDotNodeRealizedChain evals;
ExprDotNodeFilterAnalyzerInputProp filterAnalyzerInputProp = new ExprDotNodeFilterAnalyzerInputProp(propertyInfoPairX.First.StreamNum, propertyInfoPairX.First.PropertyName);
bool rootIsEventBean = false;
try {
evals = ExprDotNodeUtility.GetChainEvaluators(streamId, inputType, modifiedChain, validationContext, _isDuckTyping, filterAnalyzerInputProp);
}
catch (ExprValidationException ex) {
// 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)
FragmentEventType fragment = propertyInfoPairX.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(propertyInfoPairX.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);
_exprDotNodeFilterAnalyzerDesc = evals.FilterAnalyzerDesc;
_streamNumReferenced = propertyInfoPairX.First.StreamNum;
_rootPropertyName = propertyInfoPairX.First.PropertyName;
return(null);
}
// If variable then resolve as such
string contextNameVariable = validationContext.VariableService.IsContextVariable(firstItem.Name);
if (contextNameVariable != null)
{
throw new ExprValidationException("Method invocation on context-specific variable is not supported");
}
VariableReader variableReader = validationContext.VariableService.GetReader(firstItem.Name, EPStatementStartMethodConst.DEFAULT_AGENT_INSTANCE_ID);
if (variableReader != null)
{
EPType typeInfo;
ExprDotStaticMethodWrap wrap;
if (variableReader.VariableMetaData.VariableType.IsArray)
{
typeInfo = EPTypeHelper.CollectionOfSingleValue(variableReader.VariableMetaData.VariableType.GetElementType());
wrap = new ExprDotStaticMethodWrapArrayScalar(variableReader.VariableMetaData.VariableName, variableReader.VariableMetaData.VariableType.GetElementType());
}
else if (variableReader.VariableMetaData.EventType != null)
{
typeInfo = EPTypeHelper.SingleEvent(variableReader.VariableMetaData.EventType);
wrap = null;
}
else
{
typeInfo = EPTypeHelper.SingleValue(variableReader.VariableMetaData.VariableType);
wrap = null;
}
ExprDotNodeRealizedChain evals = ExprDotNodeUtility.GetChainEvaluators(null, typeInfo, modifiedChain, validationContext, false, new ExprDotNodeFilterAnalyzerInputStatic());
_exprEvaluator = new ExprDotEvalVariable(this, variableReader, wrap, evals.ChainWithUnpack);
return(null);
}
// try resolve as enumeration class with value
object enumconstant = TypeHelper.ResolveIdentAsEnumConst(firstItem.Name, validationContext.EngineImportService, false);
if (enumconstant != null)
{
// try resolve method
ExprChainedSpec methodSpec = modifiedChain[0];
string enumvalue = firstItem.Name;
ExprNodeUtilResolveExceptionHandler handler = new ProxyExprNodeUtilResolveExceptionHandler
{
ProcHandle = ex => new ExprValidationException("Failed to resolve method '" + methodSpec.Name + "' on enumeration value '" + enumvalue + "': " + ex.Message),
};
EventType wildcardType = validationContext.StreamTypeService.EventTypes.Length != 1 ? null : validationContext.StreamTypeService.EventTypes[0];
ExprNodeUtilMethodDesc methodDesc =
ExprNodeUtility.ResolveMethodAllowWildcardAndStream(
enumconstant.GetType().Name, enumconstant.GetType(), methodSpec.Name, methodSpec.Parameters,
validationContext.EngineImportService, validationContext.EventAdapterService,
validationContext.StatementId, wildcardType != null, wildcardType, handler, methodSpec.Name,
validationContext.TableService);
// method resolved, hook up
modifiedChain.RemoveAt(0); // we identified this piece
ExprDotStaticMethodWrap optionalLambdaWrap = ExprDotStaticMethodWrapFactory.Make(methodDesc.ReflectionMethod, validationContext.EventAdapterService, modifiedChain);
EPType typeInfo = optionalLambdaWrap != null ? optionalLambdaWrap.TypeInfo : EPTypeHelper.SingleValue(methodDesc.FastMethod.ReturnType);
ExprDotNodeRealizedChain evals = ExprDotNodeUtility.GetChainEvaluators(null, typeInfo, modifiedChain, validationContext, false, new ExprDotNodeFilterAnalyzerInputStatic());
_exprEvaluator = new ExprDotEvalStaticMethod(validationContext.StatementName, firstItem.Name, methodDesc.FastMethod,
methodDesc.ChildEvals, false, optionalLambdaWrap, evals.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
ExprChainedSpec secondItem = modifiedChain.Delete(0);
bool allowWildcard = validationContext.StreamTypeService.EventTypes.Length == 1;
EventType streamZeroType = null;
if (validationContext.StreamTypeService.EventTypes.Length > 0)
{
streamZeroType = validationContext.StreamTypeService.EventTypes[0];
}
ExprNodeUtilMethodDesc 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);
bool 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
ExprDotStaticMethodWrap optionalLambdaWrapX = ExprDotStaticMethodWrapFactory.Make(method.ReflectionMethod, validationContext.EventAdapterService, modifiedChain);
EPType typeInfoX = optionalLambdaWrapX != null ? optionalLambdaWrapX.TypeInfo : EPTypeHelper.SingleValue(method.ReflectionMethod.ReturnType);
ExprDotNodeRealizedChain evalsX = ExprDotNodeUtility.GetChainEvaluators(null, typeInfoX, modifiedChain, validationContext, false, new ExprDotNodeFilterAnalyzerInputStatic());
_exprEvaluator = new ExprDotEvalStaticMethod(validationContext.StatementName, firstItem.Name, method.FastMethod, method.ChildEvals, isConstantParameters, optionalLambdaWrapX, evalsX.ChainWithUnpack, false, null);
return(null);
}
public ExprDotEnumerationSourceForProps(ExprEvaluatorEnumeration enumeration, EPType returnType, int?streamOfProviderIfApplicable, ExprEvaluatorEnumerationGivenEvent enumerationGivenEvent)
: base(returnType, streamOfProviderIfApplicable, enumeration)
{
EnumerationGivenEvent = enumerationGivenEvent;
}
public InnerEvaluatorEnumerableScalarCollection(ExprEvaluatorEnumeration rootLambdaEvaluator, Type componentType)
{
this.rootLambdaEvaluator = rootLambdaEvaluator;
this.componentType = componentType;
}
