protected override FragmentEventType DoResolveFragmentType(String property)
{
if ((!ConfigurationEventTypeXMLDOM.IsAutoFragment) || (ConfigurationEventTypeXMLDOM.IsXPathPropertyExpr))
{
return(null);
}
Property prop = PropertyParser.ParseAndWalkLaxToSimple(property);
SchemaItem item = prop.GetPropertyTypeSchema(_schemaModelRoot, EventAdapterService);
if ((item == null) || (!CanFragment(item)))
{
return(null);
}
var complex = (SchemaElementComplex)item;
// build name of event type
String[] atomicProps = prop.ToPropertyArray();
String delimiterDot = ".";
var eventTypeNameBuilder = new StringBuilder(Name);
foreach (String atomic in atomicProps)
{
eventTypeNameBuilder.Append(delimiterDot);
eventTypeNameBuilder.Append(atomic);
}
String eventTypeName = eventTypeNameBuilder.ToString();
// check if the type exists, use the existing type if found
EventType existingType = EventAdapterService.GetEventTypeByName(eventTypeName);
if (existingType != null)
{
return(new FragmentEventType(existingType, complex.IsArray, false));
}
// add a new type
var xmlDom = new ConfigurationEventTypeXMLDOM();
xmlDom.RootElementName = "//" + complex.Name; // such the reload of the type can resolve it
xmlDom.RootElementNamespace = complex.Namespace;
xmlDom.IsAutoFragment = ConfigurationEventTypeXMLDOM.IsAutoFragment;
xmlDom.IsEventSenderValidatesRoot = ConfigurationEventTypeXMLDOM.IsEventSenderValidatesRoot;
xmlDom.IsXPathPropertyExpr = ConfigurationEventTypeXMLDOM.IsXPathPropertyExpr;
xmlDom.IsXPathResolvePropertiesAbsolute = ConfigurationEventTypeXMLDOM.IsXPathResolvePropertiesAbsolute;
xmlDom.SchemaResource = ConfigurationEventTypeXMLDOM.SchemaResource;
xmlDom.SchemaText = ConfigurationEventTypeXMLDOM.SchemaText;
xmlDom.XPathFunctionResolver = ConfigurationEventTypeXMLDOM.XPathFunctionResolver;
xmlDom.XPathVariableResolver = ConfigurationEventTypeXMLDOM.XPathVariableResolver;
xmlDom.DefaultNamespace = ConfigurationEventTypeXMLDOM.DefaultNamespace;
xmlDom.AddNamespacePrefixes(ConfigurationEventTypeXMLDOM.NamespacePrefixes);
EventType newType;
try
{
newType = EventAdapterService.AddXMLDOMType(eventTypeName, xmlDom, _schemaModel, true);
}
catch (Exception ex)
{
Log.Error(
"Failed to add dynamic event type for fragment of XML schema for property '" + property + "' :" +
ex.Message, ex);
return(null);
}
return(new FragmentEventType(newType, complex.IsArray, false));
}
/// <summary>
/// Return the xPath corresponding to the given property. The PropertyName String
/// may be simple, nested, indexed or mapped.
/// </summary>
/// <param name="propertyName">is the event property name</param>
/// <param name="namespace">is the default namespace</param>
/// <param name="schemaModel">is the schema model</param>
/// <param name="xPathContext">is the xpath factory instance to use</param>
/// <param name="rootElementName">is the name of the root element</param>
/// <param name="eventAdapterService">for type lookup and creation</param>
/// <param name="xmlEventType">the resolving type</param>
/// <param name="isAllowFragment">whether fragmenting is allowed</param>
/// <param name="defaultNamespace">default namespace</param>
/// <returns>
/// xpath expression
/// </returns>
/// <throws>EPException is there are XPath errors</throws>
public static EventPropertyGetterSPI GetXPathResolution(
String propertyName,
XPathNamespaceContext xPathContext,
String rootElementName,
String @namespace,
SchemaModel schemaModel,
EventAdapterService eventAdapterService,
BaseXMLEventType xmlEventType,
bool isAllowFragment,
String defaultNamespace)
{
if (Log.IsDebugEnabled)
{
Log.Debug("Determining XPath expression for property '" + propertyName + "'");
}
var ctx = new XPathNamespaceContext();
var namespaces = schemaModel.Namespaces;
string defaultNamespacePrefix = null;
for (int i = 0; i < namespaces.Count; i++)
{
var namespacePrefix = "n" + i;
ctx.AddNamespace(namespacePrefix, namespaces[i]);
if ((defaultNamespace != null) && (defaultNamespace == namespaces[i]))
{
defaultNamespacePrefix = namespacePrefix;
}
}
var property = PropertyParser.ParseAndWalkLaxToSimple(propertyName);
var isDynamic = property.IsDynamic;
var rootComplexElement = SchemaUtil.FindRootElement(schemaModel, @namespace, rootElementName);
string prefix = ctx.LookupPrefix(rootComplexElement.Namespace);
if (prefix == null)
{
prefix = "";
}
else
{
prefix += ':';
}
var xPathBuf = new StringBuilder();
xPathBuf.Append('/');
xPathBuf.Append(prefix);
if (rootElementName.StartsWith("//"))
{
xPathBuf.Append(rootElementName.Substring(2));
}
else
{
xPathBuf.Append(rootElementName);
}
var parentComplexElement = rootComplexElement;
Pair <String, XPathResultType> pair = null;
if (!(property is NestedProperty))
{
pair = MakeProperty(rootComplexElement, property, ctx, true, isDynamic, defaultNamespacePrefix);
if (pair == null)
{
throw new PropertyAccessException("Failed to locate property '" + propertyName + "' in schema");
}
xPathBuf.Append(pair.First);
}
else
{
NestedProperty nestedProperty = (NestedProperty)property;
int indexLast = nestedProperty.Properties.Count - 1;
for (int i = 0; i < indexLast + 1; i++)
{
var isLast = i == indexLast;
var propertyNested = nestedProperty.Properties[i];
pair = MakeProperty(parentComplexElement, propertyNested, ctx, isLast, isDynamic, defaultNamespacePrefix);
if (pair == null)
{
throw new PropertyAccessException("Failed to locate property '" + propertyName + "' nested property part '" + property.PropertyNameAtomic + "' in schema");
}
var text = propertyNested.PropertyNameAtomic;
var obj = SchemaUtil.FindPropertyMapping(parentComplexElement, text);
if (obj is SchemaElementComplex)
{
parentComplexElement = (SchemaElementComplex)obj;
}
xPathBuf.Append(pair.First);
}
}
var xPath = xPathBuf.ToString();
if ((ExecutionPathDebugLog.IsEnabled) && (Log.IsDebugEnabled))
{
Log.Debug(".parse XPath for property '" + propertyName + "' is expression=" + xPath);
}
// Compile assembled XPath expression
if (Log.IsDebugEnabled)
{
Log.Debug("Compiling XPath expression '" + xPath + "' for property '" + propertyName + "' using namespace context :" + ctx);
}
XPathExpression expr;
try
{
expr = XPathExpression.Compile(xPath, ctx);
}
catch (XPathException e)
{
String detail = "Error constructing XPath expression from property expression '" + propertyName + "' expression '" + xPath + "'";
if (e.Message != null)
{
throw new EPException(detail + " :" + e.Message, e);
}
throw new EPException(detail, e);
}
// get type
var item = property.GetPropertyTypeSchema(rootComplexElement, eventAdapterService);
if ((item == null) && (!isDynamic))
{
return(null);
}
var resultType = isDynamic ? typeof(XmlNode) : SchemaUtil.ToReturnType(item);
FragmentFactory fragmentFactory = null;
if (isAllowFragment)
{
fragmentFactory = new FragmentFactoryDOMGetter(eventAdapterService, xmlEventType, propertyName);
}
return(new XPathPropertyGetter(propertyName, xPath, expr, pair.Second, resultType, fragmentFactory));
}
public FragmentEventType GetFragmentType(string propertyName)
{
var item = _propertyItems.Get(propertyName);
if (item != null) {
// may contain null values
return item.FragmentEventType;
}
// see if this is a nested property
var index = StringValue.UnescapedIndexOfDot(propertyName);
if (index == -1) {
// dynamic simple property
if (propertyName.EndsWith("?")) {
return null;
}
// parse, can be an indexed property
var property = PropertyParser.ParseAndWalkLaxToSimple(propertyName);
if (property is IndexedProperty indexedProp) {
var type = _nestableTypes.Get(indexedProp.PropertyNameAtomic);
if (type == null) {
return null;
}
if (type is EventType[] eventTypesArray) {
var eventType = eventTypesArray[0];
return new FragmentEventType(eventType, false, false);
}
if (type is TypeBeanOrUnderlying[] beanOrUnderlyings) {
var innerType = beanOrUnderlyings[0].EventType;
if (!(innerType is BaseNestableEventType)) {
return null;
}
return new FragmentEventType(innerType, false, false); // false since an index is present
}
if (!(type is Type)) {
return null;
}
if (!((Type) type).IsArray) {
return null;
}
// its an array
return EventBeanUtility.CreateNativeFragmentType(
((Type) type).GetElementType(),
null,
_beanEventTypeFactory,
_publicFields);
}
if (property is MappedProperty) {
// No type information available for the inner event
return null;
}
return null;
}
// Map event types allow 2 types of properties inside:
// - a property that is a object is interrogated via bean property getters and BeanEventType
// - a property that is a Map itself is interrogated via map property getters
// The property getters therefore act on
// Take apart the nested property into a map key and a nested value class property name
var propertyMap = StringValue.UnescapeDot(propertyName.Substring(0, index));
var propertyNested = propertyName.Substring(index + 1);
// If the property is dynamic, it cannot be a fragment
if (propertyMap.EndsWith("?")) {
return null;
}
var nestedType = _nestableTypes.Get(propertyMap);
if (nestedType == null) {
// parse, can be an indexed property
var property = PropertyParser.ParseAndWalkLaxToSimple(propertyMap);
if (property is IndexedProperty indexedProp) {
var type = _nestableTypes.Get(indexedProp.PropertyNameAtomic);
if (type == null) {
return null;
}
// handle map-in-map case
if (type is TypeBeanOrUnderlying[] beanOrUnderlyings) {
var innerType = beanOrUnderlyings[0].EventType;
if (!(innerType is BaseNestableEventType)) {
return null;
}
return innerType.GetFragmentType(propertyNested);
}
if (type is EventType[] innerEventTypeArray) {
// handle EventType[] in map
var innerType = innerEventTypeArray[0];
return innerType.GetFragmentType(propertyNested);
}
// handle array class in map case
if (!(type is Type)) {
return null;
}
if (!((Type) type).IsArray) {
return null;
}
var fragmentParent = EventBeanUtility.CreateNativeFragmentType(
(Type) type,
null,
_beanEventTypeFactory,
_publicFields);
return fragmentParent?.FragmentType.GetFragmentType(propertyNested);
}
if (property is MappedProperty) {
// No type information available for the property's map value
return null;
}
return null;
}
// If there is a map value in the map, return the Object value if this is a dynamic property
if (ReferenceEquals(nestedType, typeof(IDictionary<string, object>))) {
return null;
}
if (nestedType is IDictionary<string, object>) {
return null;
}
if (nestedType is Type simpleClass) {
if (!simpleClass.IsFragmentableType()) {
return null;
}
EventType nestedEventType = _beanEventTypeFactory.GetCreateBeanType(simpleClass, _publicFields);
return nestedEventType.GetFragmentType(propertyNested);
}
if (nestedType is EventType innerEventType) {
return innerEventType.GetFragmentType(propertyNested);
}
if (nestedType is EventType[] eventTypeArray) {
return eventTypeArray[0].GetFragmentType(propertyNested);
}
if (nestedType is TypeBeanOrUnderlying typeBeanOrUnderlying) {
var innerType = typeBeanOrUnderlying.EventType;
if (!(innerType is BaseNestableEventType)) {
return null;
}
return innerType.GetFragmentType(propertyNested);
}
if (nestedType is TypeBeanOrUnderlying[] typeBeanOrUnderlyings) {
var innerType = typeBeanOrUnderlyings[0].EventType;
if (!(innerType is BaseNestableEventType)) {
return null;
}
return innerType.GetFragmentType(propertyNested);
}
var message = "Nestable map type configuration encountered an unexpected value type of '" +
nestedType.GetType() +
" for property '" +
propertyName +
"', expected Class, Map.class or Map<String, Object> as value type";
throw new PropertyAccessException(message);
}
private EventPropertyGetterSPI DoResolvePropertyGetter(
string propertyExpression,
bool allowSimpleProperties)
{
var getter = propertyGetterCache.Get(propertyExpression);
if (getter != null) {
return getter;
}
if (!allowSimpleProperties) {
// see if this is an indexed property
var index = StringValue.UnescapedIndexOfDot(propertyExpression);
if (index == -1) {
// parse, can be an indexed property
var property = PropertyParser.ParseAndWalkLaxToSimple(propertyExpression);
if (!property.IsDynamic) {
if (!(property is IndexedProperty)) {
return null;
}
var indexedProp = (IndexedProperty) property;
getter = propertyGetters.Get(indexedProp.PropertyNameAtomic);
if (null == getter) {
return null;
}
var descriptor = PropertyDescriptorMap.Get(indexedProp.PropertyNameAtomic);
if (descriptor == null) {
return null;
}
if (!descriptor.IsIndexed) {
return null;
}
if (descriptor.PropertyType == typeof(XmlNodeList)) {
FragmentFactorySPI fragmentFactory = new FragmentFactoryDOMGetter(
EventBeanTypedEventFactory,
this,
indexedProp.PropertyNameAtomic);
return new XPathPropertyArrayItemGetter(getter, indexedProp.Index, fragmentFactory);
} else if (descriptor.PropertyType == typeof(string)) {
FragmentFactorySPI fragmentFactory = new FragmentFactoryDOMGetter(
EventBeanTypedEventFactory,
this,
indexedProp.PropertyNameAtomic);
return new XPathPropertyArrayItemGetter(getter, indexedProp.Index, fragmentFactory);
}
}
}
}
if (!isPropertyExpressionXPath) {
var prop = PropertyParser.ParseAndWalkLaxToSimple(propertyExpression);
var isDynamic = prop.IsDynamic;
if (!isDynamic) {
var item = prop.GetPropertyTypeSchema(schemaModelRoot);
if (item == null) {
return null;
}
getter = prop.GetGetterDOM(schemaModelRoot, EventBeanTypedEventFactory, this, propertyExpression);
if (getter == null) {
return null;
}
var returnType = SchemaUtil.ToReturnType(item);
if (returnType != typeof(XmlNode) && returnType != typeof(XmlNodeList)) {
if (!returnType.IsArray) {
getter = new DOMConvertingGetter((DOMPropertyGetter) getter, returnType);
}
else {
getter = new DOMConvertingArrayGetter(
(DOMPropertyGetter) getter,
returnType.GetElementType());
}
}
}
else {
return prop.GetterDOM;
}
}
else {
var allowFragments = !ConfigurationEventTypeXMLDOM.IsXPathPropertyExpr;
getter = SchemaXMLPropertyParser.GetXPathResolution(
propertyExpression,
NamespaceContext,
RootElementName,
rootElementNamespace,
SchemaModel,
EventBeanTypedEventFactory,
this,
allowFragments,
ConfigurationEventTypeXMLDOM.DefaultNamespace);
}
propertyGetterCache.Put(propertyExpression, getter);
return getter;
}
public EventPropertyWriter GetWriter(string propertyName)
{
if (_writeablePropertyDescriptors == null)
{
InitializeWriters();
}
var pair = _writerMap.Get(propertyName);
if (pair != null)
{
return pair.Second;
}
var property = PropertyParser.ParseAndWalkLaxToSimple(propertyName);
if (property is MappedProperty)
{
var mapProp = (MappedProperty)property;
var methodName = PropertyHelper.GetSetterMethodName(mapProp.PropertyNameAtomic);
MethodInfo setterMethod;
try
{
setterMethod = MethodResolver.ResolveMethod(
_clazz, methodName, new Type[] { typeof(string), typeof(object) }, true, new bool[2], new bool[2]);
}
catch (EngineNoSuchMethodException)
{
Log.Info(
"Failed to find mapped property setter method '" + methodName + "' for writing to property '" +
propertyName + "' taking {string, Object} as parameters");
return null;
}
if (setterMethod == null)
{
return null;
}
var fastMethod = _fastClass.GetMethod(setterMethod);
return new BeanEventPropertyWriterMapProp(_clazz, fastMethod, mapProp.Key);
}
if (property is IndexedProperty)
{
var indexedProp = (IndexedProperty)property;
var methodName = PropertyHelper.GetSetterMethodName(indexedProp.PropertyNameAtomic);
MethodInfo setterMethod;
try
{
// setterMethod = UnderlyingType.GetMethod(
// methodName, BindingFlags.Public | BindingFlags.Instance, null,
// new Type[] { typeof(int), typeof(object) }, null);
setterMethod = MethodResolver.ResolveMethod(
_clazz, methodName, new Type[] { typeof(int), typeof(object) }, true, new bool[2], new bool[2]);
}
catch (EngineNoSuchMethodException)
{
Log.Info(
"Failed to find indexed property setter method '" + methodName + "' for writing to property '" +
propertyName + "' taking {int, Object} as parameters");
return null;
}
if (setterMethod == null)
{
return null;
}
var fastMethod = _fastClass.GetMethod(setterMethod);
return new BeanEventPropertyWriterIndexedProp(_clazz, fastMethod, indexedProp.Index);
}
return null;
}
public FragmentEventType GetFragmentType(String propertyName)
{
var item = _propertyItems.Get(propertyName);
if (item != null) // may contain null values
{
return(item.FragmentEventType);
}
// see if this is a nested property
var index = ASTUtil.UnescapedIndexOfDot(propertyName);
if (index == -1)
{
// dynamic simple property
if (propertyName.EndsWith("?"))
{
return(null);
}
// parse, can be an indexed property
var property = PropertyParser.ParseAndWalkLaxToSimple(propertyName);
if (property is IndexedProperty)
{
var indexedProp = (IndexedProperty)property;
var type = NestableTypes.Get(indexedProp.PropertyNameAtomic);
if (type == null)
{
return(null);
}
else if (type is EventType[])
{
var eventType = ((EventType[])type)[0];
return(new FragmentEventType(eventType, false, false));
}
else if (type is String)
{
var propTypeName = type.ToString();
var isArray = EventTypeUtility.IsPropertyArray(propTypeName);
if (!isArray)
{
return(null);
}
propTypeName = EventTypeUtility.GetPropertyRemoveArray(propTypeName);
EventType innerType = _eventAdapterService.GetEventTypeByName(propTypeName);
if (!(innerType is BaseNestableEventType))
{
return(null);
}
return(new FragmentEventType(innerType, false, false)); // false since an index is present
}
if (!(type is Type))
{
return(null);
}
if (!((Type)type).IsArray)
{
return(null);
}
// its an array
return(EventBeanUtility.CreateNativeFragmentType(((Type)type).GetElementType(), null, _eventAdapterService));
}
else if (property is MappedProperty)
{
// No type information available for the inner event
return(null);
}
else
{
return(null);
}
}
// Map event types allow 2 types of properties inside:
// - a property that is a object is interrogated via bean property getters and BeanEventType
// - a property that is a Map itself is interrogated via map property getters
// The property getters therefore act on
// Take apart the nested property into a map key and a nested value class property name
var propertyMap = ASTUtil.UnescapeDot(propertyName.Substring(0, index));
var propertyNested = propertyName.Substring(index + 1);
// If the property is dynamic, it cannot be a fragment
if (propertyMap.EndsWith("?"))
{
return(null);
}
var nestedType = NestableTypes.Get(propertyMap);
if (nestedType == null)
{
// parse, can be an indexed property
var property = PropertyParser.ParseAndWalkLaxToSimple(propertyMap);
if (property is IndexedProperty)
{
var indexedProp = (IndexedProperty)property;
var type = NestableTypes.Get(indexedProp.PropertyNameAtomic);
if (type == null)
{
return(null);
}
// handle map-in-map case
if (type is String)
{
var propTypeName = type.ToString();
var isArray = EventTypeUtility.IsPropertyArray(propTypeName);
if (isArray)
{
propTypeName = EventTypeUtility.GetPropertyRemoveArray(propTypeName);
}
EventType innerType = _eventAdapterService.GetEventTypeByName(propTypeName);
if (!(innerType is BaseNestableEventType))
{
return(null);
}
return(innerType.GetFragmentType(propertyNested));
}
// handle eventtype[] in map
else if (type is EventType[])
{
var innerType = ((EventType[])type)[0];
return(innerType.GetFragmentType(propertyNested));
}
// handle array class in map case
else
{
if (!(type is Type))
{
return(null);
}
if (!((Type)type).IsArray)
{
return(null);
}
var fragmentParent = EventBeanUtility.CreateNativeFragmentType(
(Type)type, null, _eventAdapterService);
if (fragmentParent == null)
{
return(null);
}
return(fragmentParent.FragmentType.GetFragmentType(propertyNested));
}
}
else if (property is MappedProperty)
{
// No type information available for the property's map value
return(null);
}
else
{
return(null);
}
}
// If there is a map value in the map, return the Object value if this is a dynamic property
if (ReferenceEquals(nestedType, typeof(IDictionary <string, object>)))
{
return(null);
}
else if (nestedType is IDictionary <string, object> )
{
return(null);
}
else if (nestedType is Type)
{
var simpleClass = (Type)nestedType;
if (!TypeHelper.IsFragmentableType(simpleClass))
{
return(null);
}
EventType nestedEventType =
_eventAdapterService.BeanEventTypeFactory.CreateBeanTypeDefaultName(simpleClass);
return(nestedEventType.GetFragmentType(propertyNested));
}
else if (nestedType is EventType)
{
var innerType = (EventType)nestedType;
return(innerType.GetFragmentType(propertyNested));
}
else if (nestedType is EventType[])
{
var innerType = (EventType[])nestedType;
return(innerType[0].GetFragmentType(propertyNested));
}
else if (nestedType is String)
{
var nestedName = nestedType.ToString();
var isArray = EventTypeUtility.IsPropertyArray(nestedName);
if (isArray)
{
nestedName = EventTypeUtility.GetPropertyRemoveArray(nestedName);
}
var innerType = _eventAdapterService.GetEventTypeByName(nestedName);
if (!(innerType is BaseNestableEventType))
{
return(null);
}
return(innerType.GetFragmentType(propertyNested));
}
else
{
var message = "Nestable map type configuration encountered an unexpected value type of '"
+ nestedType.GetType() + " for property '" + propertyName +
"', expected Class, typeof(Map) or IDictionary<String, Object> as value type";
throw new PropertyAccessException(message);
}
}
public static EventPropertyGetter GetGetter(
Schema avroSchema,
Dictionary <string, EventPropertyGetter> propertyGetterCache,
IDictionary <string, PropertySetDescriptorItem> propertyDescriptors,
string propertyName,
bool addToCache,
EventAdapterService eventAdapterService)
{
var getter = propertyGetterCache.Get(propertyName);
if (getter != null)
{
return(getter);
}
var unescapePropName = ASTUtil.UnescapeDot(propertyName);
var item = propertyDescriptors.Get(unescapePropName);
if (item != null)
{
getter = item.PropertyGetter;
MayAddToGetterCache(propertyName, propertyGetterCache, getter, true);
return(getter);
}
// see if this is a nested property
var index = ASTUtil.UnescapedIndexOfDot(propertyName);
if (index == -1)
{
var prop = PropertyParser.ParseAndWalkLaxToSimple(propertyName);
if (prop is IndexedProperty)
{
var indexedProp = (IndexedProperty)prop;
Field field = avroSchema.GetField(prop.PropertyNameAtomic);
if (field == null)
{
return(null);
}
switch (field.Schema.Tag)
{
case Schema.Type.Array:
var fragmentEventType = AvroFragmentTypeUtil.GetFragmentEventTypeForField(
field.Schema, eventAdapterService);
getter = new AvroEventBeanGetterIndexed(
field, indexedProp.Index,
fragmentEventType == null ? null : fragmentEventType.FragmentType, eventAdapterService);
MayAddToGetterCache(propertyName, propertyGetterCache, getter, addToCache);
return(getter);
case Schema.Type.String:
getter = new AvroEventBeanGetterStringIndexed(field, indexedProp.Index);
MayAddToGetterCache(propertyName, propertyGetterCache, getter, addToCache);
return(getter);
default:
return(null);
}
}
else if (prop is MappedProperty)
{
var mappedProp = (MappedProperty)prop;
Field field = avroSchema.GetField(prop.PropertyNameAtomic);
if (field == null || field.Schema.Tag != Schema.Type.Map)
{
return(null);
}
getter = new AvroEventBeanGetterMapped(field, mappedProp.Key);
MayAddToGetterCache(propertyName, propertyGetterCache, getter, addToCache);
return(getter);
}
if (prop is DynamicIndexedProperty)
{
var dynamicIndexedProp = (DynamicIndexedProperty)prop;
getter = new AvroEventBeanGetterIndexedDynamic(prop.PropertyNameAtomic, dynamicIndexedProp.Index);
MayAddToGetterCache(propertyName, propertyGetterCache, getter, addToCache);
return(getter);
}
if (prop is DynamicMappedProperty)
{
var dynamicMappedProp = (DynamicMappedProperty)prop;
getter = new AvroEventBeanGetterMappedDynamic(prop.PropertyNameAtomic, dynamicMappedProp.Key);
MayAddToGetterCache(propertyName, propertyGetterCache, getter, addToCache);
return(getter);
}
else if (prop is DynamicSimpleProperty)
{
getter = new AvroEventBeanGetterSimpleDynamic(prop.PropertyNameAtomic);
MayAddToGetterCache(propertyName, propertyGetterCache, getter, addToCache);
return(getter);
}
return(null); // simple property already cached
}
// Take apart the nested property into a map key and a nested value class property name
var propertyTop = ASTUtil.UnescapeDot(propertyName.Substring(0, index));
var propertyNested = propertyName.Substring(index + 1);
var isRootedDynamic = false;
// If the property is dynamic, remove the ? since the property type is defined without
if (propertyTop.EndsWith("?"))
{
propertyTop = propertyTop.Substring(0, propertyTop.Length - 1);
isRootedDynamic = true;
}
var propTop = PropertyParser.ParseAndWalkLaxToSimple(propertyTop);
Field fieldTop = avroSchema.GetField(propTop.PropertyNameAtomic);
// field is known and is a record
if (fieldTop != null && fieldTop.Schema.Tag == Schema.Type.Record && propTop is SimpleProperty)
{
var factory = new GetterNestedFactoryRootedSimple(eventAdapterService, fieldTop);
var property = PropertyParser.ParseAndWalk(propertyNested, isRootedDynamic);
getter = PropertyGetterNested(factory, fieldTop.Schema, property, eventAdapterService);
MayAddToGetterCache(propertyName, propertyGetterCache, getter, addToCache);
return(getter);
}
// field is known and is a record
if (fieldTop != null && fieldTop.Schema.Tag == Schema.Type.Array && propTop is IndexedProperty)
{
var factory = new GetterNestedFactoryRootedIndexed(
eventAdapterService, fieldTop, ((IndexedProperty)propTop).Index);
var property = PropertyParser.ParseAndWalk(propertyNested, isRootedDynamic);
getter = PropertyGetterNested(factory, fieldTop.Schema.GetElementType(), property, eventAdapterService);
MayAddToGetterCache(propertyName, propertyGetterCache, getter, addToCache);
return(getter);
}
// field is not known or is not a record
if (!isRootedDynamic)
{
return(null);
}
var propertyX = PropertyParser.ParseAndWalk(propertyNested, true);
var innerGetter = GetDynamicGetter(propertyX);
getter = new AvroEventBeanGetterNestedDynamicPoly(propertyTop, innerGetter);
MayAddToGetterCache(propertyName, propertyGetterCache, getter, addToCache);
return(getter);
}
public static EventPropertyGetterSPI GetGetter(
Schema avroSchema,
string moduleName,
Dictionary<string, EventPropertyGetterSPI> propertyGetterCache,
IDictionary<string, PropertySetDescriptorItem> propertyDescriptors,
string propertyName,
bool addToCache,
EventBeanTypedEventFactory eventAdapterService,
EventTypeAvroHandler eventTypeAvroHandler,
AvroEventTypeFragmentTypeCache fragmentTypeCache)
{
var getter = propertyGetterCache.Get(propertyName);
if (getter != null) {
return getter;
}
var unescapePropName = StringValue.UnescapeDot(propertyName);
var item = propertyDescriptors.Get(unescapePropName);
if (item != null) {
getter = item.PropertyGetter;
MayAddToGetterCache(propertyName, propertyGetterCache, getter, true);
return getter;
}
// see if this is a nested property
var index = StringValue.UnescapedIndexOfDot(propertyName);
if (index == -1) {
var prop = PropertyParser.ParseAndWalkLaxToSimple(propertyName);
if (prop is IndexedProperty indexedProp) {
var field = avroSchema.GetField(indexedProp.PropertyNameAtomic);
if (field == null) {
return null;
}
if ((field.Schema.Tag != Schema.Type.Array) &&
(field.Schema.Tag != Schema.Type.String)) {
return null;
}
var fragmentEventType = AvroFragmentTypeUtil.GetFragmentEventTypeForField(
field.Schema,
moduleName,
eventAdapterService,
eventTypeAvroHandler,
fragmentTypeCache);
getter = new AvroEventBeanGetterIndexed(
field,
indexedProp.Index,
fragmentEventType?.FragmentType,
eventAdapterService);
MayAddToGetterCache(propertyName, propertyGetterCache, getter, addToCache);
return getter;
}
if (prop is MappedProperty mappedProp) {
Field field = avroSchema.GetField(mappedProp.PropertyNameAtomic);
if (field == null || field.Schema.Tag != Schema.Type.Map) {
return null;
}
getter = new AvroEventBeanGetterMapped(field, mappedProp.Key);
MayAddToGetterCache(propertyName, propertyGetterCache, getter, addToCache);
return getter;
}
if (prop is DynamicIndexedProperty dynamicIndexedProp) {
getter = new AvroEventBeanGetterIndexedDynamic(
dynamicIndexedProp.PropertyNameAtomic,
dynamicIndexedProp.Index);
MayAddToGetterCache(propertyName, propertyGetterCache, getter, addToCache);
return getter;
}
if (prop is DynamicMappedProperty dynamicMappedProp) {
getter = new AvroEventBeanGetterMappedDynamic(
dynamicMappedProp.PropertyNameAtomic,
dynamicMappedProp.Key);
MayAddToGetterCache(propertyName, propertyGetterCache, getter, addToCache);
return getter;
}
if (prop is DynamicSimpleProperty) {
getter = new AvroEventBeanGetterSimpleDynamic(prop.PropertyNameAtomic);
MayAddToGetterCache(propertyName, propertyGetterCache, getter, addToCache);
return getter;
}
return null; // simple property already cached
}
// Take apart the nested property into a map key and a nested value class property name
var propertyTop = StringValue.UnescapeDot(propertyName.Substring(0, index));
var propertyNested = propertyName.Substring(index + 1);
var isRootedDynamic = false;
// If the property is dynamic, remove the ? since the property type is defined without
if (propertyTop.EndsWith("?")) {
propertyTop = propertyTop.Substring(0, propertyTop.Length - 1);
isRootedDynamic = true;
}
var propTop = PropertyParser.ParseAndWalkLaxToSimple(propertyTop);
Field fieldTop = avroSchema.GetField(propTop.PropertyNameAtomic);
// field is known and is a record
if (fieldTop != null && fieldTop.Schema.Tag == Schema.Type.Record && propTop is SimpleProperty) {
var factory = new GetterNestedFactoryRootedSimple(eventAdapterService, fieldTop);
var property = PropertyParser.ParseAndWalk(propertyNested, isRootedDynamic);
getter = PropertyGetterNested(
factory,
fieldTop.Schema,
property,
moduleName,
eventAdapterService,
eventTypeAvroHandler,
fragmentTypeCache);
MayAddToGetterCache(propertyName, propertyGetterCache, getter, addToCache);
return getter;
}
// field is known and is a record
if (fieldTop != null && propTop is IndexedProperty indexedProperty) {
if ((fieldTop.Schema.Tag == Schema.Type.Array) ||
(fieldTop.Schema.Tag == Schema.Type.String)) {
var factory = new GetterNestedFactoryRootedIndexed(
eventAdapterService,
fieldTop,
indexedProperty.Index);
var property = PropertyParser.ParseAndWalk(propertyNested, isRootedDynamic);
getter = PropertyGetterNested(
factory,
fieldTop.Schema.AsArraySchema().ItemSchema,
property,
moduleName,
eventAdapterService,
eventTypeAvroHandler,
fragmentTypeCache);
MayAddToGetterCache(propertyName, propertyGetterCache, getter, addToCache);
return getter;
}
}
// field is not known or is not a record
if (!isRootedDynamic) {
return null;
}
var propertyX = PropertyParser.ParseAndWalk(propertyNested, true);
var innerGetter = GetDynamicGetter(propertyX);
getter = new AvroEventBeanGetterNestedDynamicPoly(propertyTop, innerGetter);
MayAddToGetterCache(propertyName, propertyGetterCache, getter, addToCache);
return getter;
}
public static object CoerceProperty(
string propertyName,
Type containingType,
object value,
Type type,
ExprNodeOrigin exprNodeOrigin,
ExprValidationContext exprValidationContext,
bool forceNumeric,
bool includeClassNameInEx)
{
// handle system-property exception
if (value is ExprNode) {
if (value is ExprIdentNode) {
var identNode = (ExprIdentNode) value;
Property prop;
try {
prop = PropertyParser.ParseAndWalkLaxToSimple(identNode.FullUnresolvedName);
}
catch (Exception) {
throw new ExprValidationException(
"Failed to parse property '" + identNode.FullUnresolvedName + "'");
}
if (!(prop is MappedProperty)) {
throw new ExprValidationException(
"Unrecognized property '" + identNode.FullUnresolvedName + "'");
}
var mappedProperty = (MappedProperty) prop;
if (string.Equals(
mappedProperty.PropertyNameAtomic,
ExprEvalSystemProperty.SYSTEM_PROPETIES_NAME,
StringComparison.InvariantCultureIgnoreCase)) {
if (type == typeof(ExprNode)) {
return new ExprEvalSystemProperty(mappedProperty.Key);
}
return Environment.GetEnvironmentVariable(mappedProperty.Key);
}
}
else {
var exprNode = (ExprNode) value;
if (type == typeof(ExprNode)) {
return exprNode;
}
if (!exprNode.Forge.ForgeConstantType.IsCompileTimeConstant) {
throw new ExprValidationException(
"Failed to determine parameter for property '" +
propertyName +
"' as the parameter is not a compile-time constant expression");
}
value = exprNode.Forge.ExprEvaluator.Evaluate(null, true, null);
}
}
if (value == null) {
return null;
}
var valueType = value.GetType();
if (valueType == type) {
return value;
}
var typeUnboxed = type.GetUnboxedType();
if (valueType.GetUnboxedType().IsAssignmentCompatible(typeUnboxed)) {
if (forceNumeric &&
value.GetType().GetBoxedType() != type.GetBoxedType() &&
type.IsNumeric() &&
value.GetType().IsNumeric()) {
value = TypeHelper.CoerceBoxed(value, type.GetBoxedType());
}
return value;
}
if (TypeHelper.IsSubclassOrImplementsInterface(value.GetType(), type)) {
return value;
}
if (type.IsArray) {
if (!value.GetType().IsGenericCollection()) {
var detail = "expects an array but receives a value of type " + value.GetType().Name;
throw new ExprValidationException(
GetExceptionText(propertyName, containingType, includeClassNameInEx, detail));
}
var items = value.UnwrapIntoArray<object>();
var coercedArray = Array.CreateInstance(type.GetElementType(), items.Length);
for (var i = 0; i < items.Length; i++) {
var coercedValue = CoerceProperty(
propertyName + " (array element)",
type,
items[i],
type.GetElementType(),
exprNodeOrigin,
exprValidationContext,
false,
includeClassNameInEx);
coercedArray.SetValue(coercedValue, i);
}
return coercedArray;
}
if (!(value is IDictionary<string, object>)) {
var detail = "expects an " +
type.CleanName() +
" but receives a value of type " +
value.GetType().CleanName();
throw new ExprValidationException(
GetExceptionText(propertyName, containingType, includeClassNameInEx, detail));
}
var props = (IDictionary<string, object>) value;
return InstantiatePopulateObject(props, type, exprNodeOrigin, exprValidationContext);
}
public static Object CoerceProperty(
string propertyName,
Type containingType,
Object value,
Type type,
ExprNodeOrigin exprNodeOrigin,
ExprValidationContext exprValidationContext,
bool forceNumeric,
bool includeClassNameInEx)
{
if (value is ExprNode && type != typeof(ExprNode))
{
if (value is ExprIdentNode)
{
var identNode = (ExprIdentNode)value;
Property prop;
try {
prop = PropertyParser.ParseAndWalkLaxToSimple(identNode.FullUnresolvedName);
}
catch (Exception) {
throw new ExprValidationException(
"Failed to parse property '" + identNode.FullUnresolvedName + "'");
}
if (!(prop is MappedProperty))
{
throw new ExprValidationException(
"Unrecognized property '" + identNode.FullUnresolvedName + "'");
}
var mappedProperty = (MappedProperty)prop;
if (string.Equals(
mappedProperty.PropertyNameAtomic, SYSTEM_PROPETIES_NAME,
StringComparison.InvariantCultureIgnoreCase))
{
return(Environment.GetEnvironmentVariable(mappedProperty.Key));
}
}
else
{
var exprNode = (ExprNode)value;
var validated = ExprNodeUtility.GetValidatedSubtree(
exprNodeOrigin, exprNode, exprValidationContext);
exprValidationContext.VariableService.SetLocalVersion();
var evaluator = validated.ExprEvaluator;
if (evaluator == null)
{
throw new ExprValidationException(
"Failed to evaluate expression '" +
ExprNodeUtility.ToExpressionStringMinPrecedenceSafe(exprNode) + "'");
}
value = evaluator.Evaluate(EvaluateParams.EmptyTrue);
}
}
if (value == null)
{
return(null);
}
var valueType = value.GetType();
if (valueType == type)
{
return(value);
}
if (valueType.IsAssignmentCompatible(type))
{
if (forceNumeric &&
(valueType.GetBoxedType() != type.GetBoxedType()) &&
type.IsNumeric() &&
valueType.IsNumeric())
{
value = CoercerFactory.CoerceBoxed(value, type.GetBoxedType());
}
return(value);
}
#if false
// numerical coercion between non-boxed types and incompatible boxed types
if ((valueType.IsNumeric()) &&
(valueType.IsNullable() == false) &&
(type.IsNumeric()) &&
(type.IsNullable()))
{
var typeNonGeneric = Nullable.GetUnderlyingType(type);
if (valueType.IsAssignmentCompatible(typeNonGeneric))
{
value = CoercerFactory.CoerceBoxed(value, type);
}
return(value);
}
#endif
if (TypeHelper.IsSubclassOrImplementsInterface(valueType, type))
{
return(value);
}
if (type.IsArray)
{
if (!(valueType.IsGenericCollection()))
{
var detail = "expects an array but receives a value of type " + valueType.GetCleanName();
throw new ExprValidationException(
GetExceptionText(propertyName, containingType, includeClassNameInEx, detail));
}
var items = value.UnwrapIntoArray <object>();
var coercedArray = Array.CreateInstance(type.GetElementType(), items.Length);
for (var i = 0; i < items.Length; i++)
{
var coercedValue = CoerceProperty(
propertyName + " (array element)", type, items[i], type.GetElementType(), exprNodeOrigin,
exprValidationContext, false, includeClassNameInEx);
coercedArray.SetValue(coercedValue, i);
}
return(coercedArray);
}
if (type.IsNullable() && !valueType.IsNullable())
{
var typeNonGeneric = Nullable.GetUnderlyingType(type);
if (valueType.IsAssignmentCompatible(typeNonGeneric))
{
return(CoercerFactory.CoerceBoxed(value, type));
}
}
if (!(value is IDictionary <String, Object>))
{
var detail = "expects an " + type.GetCleanName() + " but receives a value of type " +
valueType.GetCleanName();
throw new ExprValidationException(
GetExceptionText(propertyName, containingType, includeClassNameInEx, detail));
}
var props = (IDictionary <string, Object>)value;
return(InstantiatePopulateObject(props, type, exprNodeOrigin, exprValidationContext));
}
