/// <summary>
/// Ctor.
/// </summary>
/// <param name="eventTypeMetadata">event type metadata</param>
/// <param name="eventTypeId">The event type id.</param>
/// <param name="config">configuration for type</param>
/// <param name="schemaModel">the schema representation</param>
/// <param name="eventAdapterService">type lookup and registration</param>
public SchemaXMLEventType(EventTypeMetadata eventTypeMetadata, int eventTypeId, ConfigurationEventTypeXMLDOM config, SchemaModel schemaModel, EventAdapterService eventAdapterService)
: base(eventTypeMetadata, eventTypeId, config, eventAdapterService)
{
_propertyGetterCache = new Dictionary <String, EventPropertyGetter>();
_schemaModel = schemaModel;
_rootElementNamespace = config.RootElementNamespace;
_schemaModelRoot = SchemaUtil.FindRootElement(schemaModel, _rootElementNamespace, RootElementName);
_isPropertyExpressionXPath = config.IsXPathPropertyExpr;
// Set of namespace context for XPath expressions
var ctx = new XPathNamespaceContext();
if (config.DefaultNamespace != null)
{
ctx.SetDefaultNamespace(config.DefaultNamespace);
}
foreach (var entry in config.NamespacePrefixes)
{
ctx.AddNamespace(entry.Key, entry.Value);
}
NamespaceContext = ctx;
// add properties for the root element
var additionalSchemaProps = new List <ExplicitPropertyDescriptor>();
// Add a property for each complex child element
foreach (SchemaElementComplex complex in _schemaModelRoot.ComplexElements)
{
var propertyName = complex.Name;
var returnType = typeof(XmlNode);
Type propertyComponentType = null;
if (complex.OptionalSimpleType != null)
{
returnType = SchemaUtil.ToReturnType(complex);
}
if (complex.IsArray)
{
// We use XmlNode[] for arrays and NodeList for XPath-Expressions returning Nodeset
returnType = typeof(XmlNode[]);
propertyComponentType = typeof(XmlNode);
}
bool isFragment = false;
if (ConfigurationEventTypeXMLDOM.IsAutoFragment && (!ConfigurationEventTypeXMLDOM.IsXPathPropertyExpr))
{
isFragment = CanFragment(complex);
}
var indexType = returnType.GetIndexType();
var isIndexed = indexType != null;
var getter = DoResolvePropertyGetter(propertyName, true);
var desc = new EventPropertyDescriptor(propertyName, returnType, indexType, false, false, isIndexed, false, isFragment);
var @explicit = new ExplicitPropertyDescriptor(desc, getter, false, null);
additionalSchemaProps.Add(@explicit);
}
// Add a property for each simple child element
foreach (SchemaElementSimple simple in _schemaModelRoot.SimpleElements)
{
var propertyName = simple.Name;
var returnType = SchemaUtil.ToReturnType(simple);
var getter = DoResolvePropertyGetter(propertyName, true);
var indexType = returnType.GetIndexType();
var isIndexed = indexType != null;
var desc = new EventPropertyDescriptor(propertyName, returnType, indexType, false, false, isIndexed, false, false);
var @explicit = new ExplicitPropertyDescriptor(desc, getter, false, null);
additionalSchemaProps.Add(@explicit);
}
// Add a property for each attribute
foreach (SchemaItemAttribute attribute in _schemaModelRoot.Attributes)
{
var propertyName = attribute.Name;
var returnType = SchemaUtil.ToReturnType(attribute);
var getter = DoResolvePropertyGetter(propertyName, true);
var indexType = returnType.GetIndexType();
var isIndexed = indexType != null;
var desc = new EventPropertyDescriptor(propertyName, returnType, indexType, false, false, isIndexed, false, false);
var @explicit = new ExplicitPropertyDescriptor(desc, getter, false, null);
additionalSchemaProps.Add(@explicit);
}
// Finally add XPath properties as that may depend on the rootElementNamespace
Initialize(config.XPathProperties.Values, additionalSchemaProps);
}
/// <summary>
/// Set the preconfigured event properties resolved by XPath expression.
/// </summary>
/// <param name="explicitXPathProperties">are preconfigured event properties</param>
/// <param name="additionalSchemaProperties">the explicit properties</param>
protected void Initialize(ICollection <ConfigurationEventTypeXMLDOM.XPathPropertyDesc> explicitXPathProperties,
IList <ExplicitPropertyDescriptor> additionalSchemaProperties)
{
// make sure we override those explicitly provided with those derived from a metadataz
var namedProperties = new LinkedHashMap <String, ExplicitPropertyDescriptor>();
foreach (ExplicitPropertyDescriptor desc in additionalSchemaProperties)
{
namedProperties[desc.Descriptor.PropertyName] = desc;
}
String xPathExpression = null;
try
{
foreach (ConfigurationEventTypeXMLDOM.XPathPropertyDesc property in explicitXPathProperties)
{
xPathExpression = property.XPath;
if (Log.IsInfoEnabled)
{
Log.Info("Compiling XPath expression for property '" + property.Name + "' as '" +
xPathExpression + "'");
}
var expressionContext = NamespaceContext ?? GetExtendedContext();
var expression = XPathExpression.Compile(xPathExpression, expressionContext);
FragmentFactoryXPathPredefinedGetter fragmentFactory = null;
var isFragment = false;
if (property.OptionalEventTypeName != null)
{
fragmentFactory = new FragmentFactoryXPathPredefinedGetter(
EventAdapterService,
property.OptionalEventTypeName,
property.Name);
isFragment = true;
}
var getter = new XPathPropertyGetter(
property.Name,
xPathExpression,
expression,
property.ResultType,
property.OptionalCastToType,
fragmentFactory);
var returnType = SchemaUtil.ToReturnType(
property.ResultType,
property.OptionalCastToType.GetBoxedType());
var indexType = returnType.GetIndexType();
var isIndexed = indexType != null;
if (property.ResultType == XPathResultType.NodeSet)
{
isIndexed = true;
}
var desc = new EventPropertyDescriptor(
property.Name, returnType, indexType, false, false,
isIndexed, false, isFragment);
var @explicit = new ExplicitPropertyDescriptor(
desc, getter, isIndexed,
property.OptionalEventTypeName);
namedProperties[desc.PropertyName] = @explicit;
}
}
catch (XPathException ex)
{
throw new EPException(
"XPath expression could not be compiled for expression '" + xPathExpression + '\'', ex);
}
Initialize(namedProperties.Values);
// evaluate start and end timestamp properties if any
_startTimestampPropertyName = ConfigurationEventTypeXMLDOM.StartTimestampPropertyName;
_endTimestampPropertyName = ConfigurationEventTypeXMLDOM.EndTimestampPropertyName;
EventTypeUtility.ValidateTimestampProperties(this, _startTimestampPropertyName, _endTimestampPropertyName);
}
public SchemaXMLEventType(
EventTypeMetadata eventTypeMetadata,
ConfigurationCommonEventTypeXMLDOM config,
SchemaModel schemaModel,
string representsFragmentOfProperty,
string representsOriginalTypeName,
EventBeanTypedEventFactory eventBeanTypedEventFactory,
EventTypeNameResolver eventTypeResolver,
XMLFragmentEventTypeFactory xmlEventTypeFactory)
: base(
eventTypeMetadata,
config,
eventBeanTypedEventFactory,
eventTypeResolver,
xmlEventTypeFactory)
{
propertyGetterCache = new Dictionary<string, EventPropertyGetterSPI>();
SchemaModel = schemaModel;
rootElementNamespace = config.RootElementNamespace;
schemaModelRoot = SchemaUtil.FindRootElement(schemaModel, rootElementNamespace, RootElementName);
isPropertyExpressionXPath = config.IsXPathPropertyExpr;
RepresentsFragmentOfProperty = representsFragmentOfProperty;
RepresentsOriginalTypeName = representsOriginalTypeName;
// Set of namespace context for XPath expressions
var ctx = new XPathNamespaceContext();
if (config.DefaultNamespace != null) {
ctx.SetDefaultNamespace(config.DefaultNamespace);
}
foreach (var entry in config.NamespacePrefixes) {
ctx.AddNamespace(entry.Key, entry.Value);
}
NamespaceContext = ctx;
// add properties for the root element
IList<ExplicitPropertyDescriptor> additionalSchemaProps = new List<ExplicitPropertyDescriptor>();
// Add a property for each complex child element
foreach (SchemaElementComplex complex in schemaModelRoot.ComplexElements) {
var propertyName = complex.Name;
var returnType = typeof(XmlNode);
Type propertyComponentType = null;
if (complex.OptionalSimpleType != null) {
returnType = SchemaUtil.ToReturnType(complex);
if (returnType == typeof(string)) {
propertyComponentType = typeof(char);
}
}
if (complex.IsArray) {
returnType = typeof(XmlNode[]); // We use Node[] for arrays and NodeList for XPath-Expressions returning Nodeset
propertyComponentType = typeof(XmlNode);
}
var isFragment = false;
if (ConfigurationEventTypeXMLDOM.IsAutoFragment && !ConfigurationEventTypeXMLDOM.IsXPathPropertyExpr) {
isFragment = CanFragment(complex);
}
var getter = DoResolvePropertyGetter(propertyName, true);
var desc = new EventPropertyDescriptor(
propertyName,
returnType,
propertyComponentType,
false,
false,
complex.IsArray,
false,
isFragment);
var @explicit = new ExplicitPropertyDescriptor(desc, getter, false, null);
additionalSchemaProps.Add(@explicit);
}
// Add a property for each simple child element
foreach (var simple in schemaModelRoot.SimpleElements) {
var propertyName = simple.Name;
var returnType = SchemaUtil.ToReturnType(simple);
var componentType = GenericExtensions.GetComponentType(returnType);
var isIndexed = simple.IsArray || componentType != null;
var getter = DoResolvePropertyGetter(propertyName, true);
var desc = new EventPropertyDescriptor(
propertyName,
returnType,
componentType,
false,
false,
isIndexed,
false,
false);
var @explicit = new ExplicitPropertyDescriptor(desc, getter, false, null);
additionalSchemaProps.Add(@explicit);
}
// Add a property for each attribute
foreach (var attribute in schemaModelRoot.Attributes) {
var propertyName = attribute.Name;
var returnType = SchemaUtil.ToReturnType(attribute);
var componentType = GenericExtensions.GetComponentType(returnType);
var isIndexed = componentType != null;
var getter = DoResolvePropertyGetter(propertyName, true);
var desc = new EventPropertyDescriptor(
propertyName,
returnType,
componentType,
false,
false,
isIndexed,
false,
false);
var @explicit = new ExplicitPropertyDescriptor(desc, getter, false, null);
additionalSchemaProps.Add(@explicit);
}
// Finally add XPath properties as that may depend on the rootElementNamespace
Initialize(config.XPathProperties.Values, additionalSchemaProps);
}
