public void AddPlugInEventType(string eventTypeName, IList <Uri> resolutionURIs, object initializer)
{
try
{
_eventAdapterService.AddPlugInEventType(eventTypeName, resolutionURIs, initializer);
}
catch (EventAdapterException e)
{
throw new ConfigurationException("Error adding plug-in event type: " + e.Message, e);
}
}
public void AddPlugInEventType(string eventTypeName, Uri[] resolutionURIs, object initializer)
{
if (initializer == null)
{
throw new ArgumentNullException("initializer");
}
if (!initializer.GetType().IsSerializable)
{
throw new ArgumentException("initializer is not serializable", "initializer");
}
try {
_eventAdapterService.AddPlugInEventType(eventTypeName, resolutionURIs, initializer);
} catch (EventAdapterException e) {
throw new ConfigurationException("Error adding plug-in event type: " + e.Message, e);
}
}
/// <summary>Resolves a given event name to an event type. </summary>
/// <param name="eventName">is the name to resolve</param>
/// <param name="eventAdapterService">for resolving event types</param>
/// <param name="engineURI">the provider URI</param>
/// <param name="optionalResolutionURIs">is URIs for resolving the event name against plug-inn event representations, if any</param>
/// <returns>event type</returns>
/// <throws>ExprValidationException if the info cannot be resolved</throws>
public static EventType ResolveType(String engineURI, String eventName, EventAdapterService eventAdapterService, IList <Uri> optionalResolutionURIs)
{
var eventType = eventAdapterService.GetEventTypeByName(eventName);
// may already be known
if (eventType != null)
{
return(eventType);
}
var engineURIQualifier = engineURI;
if (engineURI == null || EPServiceProviderConstants.DEFAULT_ENGINE_URI.Equals(engineURI))
{
engineURIQualifier = EPServiceProviderConstants.DEFAULT_ENGINE_URI__QUALIFIER;
}
// The event name can be prefixed by the engine URI, i.e. "select * from default.MyEvent"
if (eventName.StartsWith(engineURIQualifier))
{
var indexDot = eventName.IndexOf('.');
if (indexDot > 0)
{
var eventNameURI = eventName.Substring(0, indexDot);
var eventNameRemainder = eventName.Substring(indexDot + 1);
if (engineURIQualifier.Equals(eventNameURI))
{
eventType = eventAdapterService.GetEventTypeByName(eventNameRemainder);
}
}
}
// may now be known
if (eventType != null)
{
return(eventType);
}
// The type is not known yet, attempt to add as an object type with the same name
String message = null;
try
{
eventType = eventAdapterService.AddBeanType(eventName, eventName, true, false, false, false);
}
catch (EventAdapterException ex)
{
Log.Debug(".resolveType Event type named '" + eventName + "' not resolved as Type event");
message = "Failed to resolve event type: " + ex.Message;
}
// Attempt to use plug-in event types
try
{
eventType = eventAdapterService.AddPlugInEventType(eventName, optionalResolutionURIs, null);
}
catch (EventAdapterException)
{
Log.Debug(".resolveType Event type named '" + eventName + "' not resolved by plug-in event representations");
// remains unresolved
}
if (eventType == null)
{
throw new ExprValidationException(message);
}
return(eventType);
}
/// <summary>Initialize event adapter service for config snapshot. </summary>
/// <param name="eventAdapterService">is events adapter</param>
/// <param name="configSnapshot">is the config snapshot</param>
internal static void Init(EventAdapterService eventAdapterService, ConfigurationInformation configSnapshot)
{
// Extract legacy event type definitions for each event type name, if supplied.
//
// We supply this information as setup information to the event adapter service
// to allow discovery of superclasses and interfaces during event type construction for bean events,
// such that superclasses and interfaces can use the legacy type definitions.
IDictionary <String, ConfigurationEventTypeLegacy> classLegacyInfo = new Dictionary <String, ConfigurationEventTypeLegacy>();
foreach (KeyValuePair <String, String> entry in configSnapshot.EventTypeNames)
{
String typeName = entry.Key;
String className = entry.Value;
ConfigurationEventTypeLegacy legacyDef = configSnapshot.EventTypesLegacy.Get(typeName);
if (legacyDef != null)
{
classLegacyInfo.Put(className, legacyDef);
}
}
eventAdapterService.TypeLegacyConfigs = classLegacyInfo;
eventAdapterService.DefaultPropertyResolutionStyle = configSnapshot.EngineDefaults.EventMetaConfig.ClassPropertyResolutionStyle;
eventAdapterService.DefaultAccessorStyle = configSnapshot.EngineDefaults.EventMetaConfig.DefaultAccessorStyle;
foreach (String typeNamespace in configSnapshot.EventTypeAutoNamePackages)
{
eventAdapterService.AddAutoNamePackage(typeNamespace);
}
// Add from the configuration the event class names
IDictionary <String, String> typeNames = configSnapshot.EventTypeNames;
foreach (KeyValuePair <String, String> entry in typeNames)
{
// Add class
try
{
String typeName = entry.Key;
eventAdapterService.AddBeanType(typeName, entry.Value, false, true, true, true);
}
catch (EventAdapterException ex)
{
throw new ConfigurationException("Error configuring engine: " + ex.Message, ex);
}
}
// Add from the configuration the XML DOM names and type def
IDictionary <String, ConfigurationEventTypeXMLDOM> xmlDOMNames = configSnapshot.EventTypesXMLDOM;
foreach (KeyValuePair <String, ConfigurationEventTypeXMLDOM> entry in xmlDOMNames)
{
SchemaModel schemaModel = null;
if ((entry.Value.SchemaResource != null) || (entry.Value.SchemaText != null))
{
try
{
schemaModel = XSDSchemaMapper.LoadAndMap(entry.Value.SchemaResource, entry.Value.SchemaText, 2);
}
catch (Exception ex)
{
throw new ConfigurationException(ex.Message, ex);
}
}
// Add XML DOM type
try
{
eventAdapterService.AddXMLDOMType(entry.Key, entry.Value, schemaModel, true);
}
catch (EventAdapterException ex)
{
throw new ConfigurationException("Error configuring engine: " + ex.Message, ex);
}
}
// Add maps in dependency order such that supertypes are added before subtypes
ICollection <String> dependentMapOrder;
try
{
var typesReferences = ToTypesReferences(configSnapshot.MapTypeConfigurations);
dependentMapOrder = GraphUtil.GetTopDownOrder(typesReferences);
}
catch (GraphCircularDependencyException e)
{
throw new ConfigurationException("Error configuring engine, dependency graph between map type names is circular: " + e.Message, e);
}
IDictionary <String, Properties> mapNames = configSnapshot.EventTypesMapEvents;
IDictionary <String, IDictionary <String, Object> > nestableMapNames = configSnapshot.EventTypesNestableMapEvents;
dependentMapOrder.AddAll(mapNames.Keys);
dependentMapOrder.AddAll(nestableMapNames.Keys);
try
{
foreach (String mapName in dependentMapOrder)
{
ConfigurationEventTypeMap mapConfig = configSnapshot.MapTypeConfigurations.Get(mapName);
Properties propertiesUnnested = mapNames.Get(mapName);
if (propertiesUnnested != null)
{
IDictionary <String, Object> propertyTypes = CreatePropertyTypes(propertiesUnnested);
IDictionary <String, Object> propertyTypesCompiled = EventTypeUtility.CompileMapTypeProperties(propertyTypes, eventAdapterService);
eventAdapterService.AddNestableMapType(mapName, propertyTypesCompiled, mapConfig, true, true, true, false, false);
}
IDictionary <String, Object> propertiesNestable = nestableMapNames.Get(mapName);
if (propertiesNestable != null)
{
IDictionary <String, Object> propertiesNestableCompiled = EventTypeUtility.CompileMapTypeProperties(propertiesNestable, eventAdapterService);
eventAdapterService.AddNestableMapType(mapName, propertiesNestableCompiled, mapConfig, true, true, true, false, false);
}
}
}
catch (EventAdapterException ex)
{
throw new ConfigurationException("Error configuring engine: " + ex.Message, ex);
}
// Add object-array in dependency order such that supertypes are added before subtypes
ICollection <string> dependentObjectArrayOrder;
try
{
var typesReferences = ToTypesReferences(configSnapshot.ObjectArrayTypeConfigurations);
dependentObjectArrayOrder = GraphUtil.GetTopDownOrder(typesReferences);
}
catch (GraphCircularDependencyException e)
{
throw new ConfigurationException(
"Error configuring engine, dependency graph between object array type names is circular: " + e.Message, e);
}
var nestableObjectArrayNames = configSnapshot.EventTypesNestableObjectArrayEvents;
dependentObjectArrayOrder.AddAll(nestableObjectArrayNames.Keys);
try
{
foreach (string objectArrayName in dependentObjectArrayOrder)
{
var objectArrayConfig = configSnapshot.ObjectArrayTypeConfigurations.Get(objectArrayName);
var propertyTypes = nestableObjectArrayNames.Get(objectArrayName);
propertyTypes = ResolveClassesForStringPropertyTypes(propertyTypes);
var propertyTypesCompiled = EventTypeUtility.CompileMapTypeProperties(propertyTypes, eventAdapterService);
eventAdapterService.AddNestableObjectArrayType(objectArrayName, propertyTypesCompiled, objectArrayConfig, true, true, true, false, false, false, null);
}
}
catch (EventAdapterException ex)
{
throw new ConfigurationException("Error configuring engine: " + ex.Message, ex);
}
// Add plug-in event representations
var plugInReps = configSnapshot.PlugInEventRepresentation;
foreach (var entry in plugInReps)
{
String className = entry.Value.EventRepresentationTypeName;
Type eventRepClass;
try
{
eventRepClass = TypeHelper.ResolveType(className);
}
catch (TypeLoadException ex)
{
throw new ConfigurationException("Failed to load plug-in event representation class '" + className + "'", ex);
}
Object pluginEventRepObj;
try
{
pluginEventRepObj = Activator.CreateInstance(eventRepClass);
}
catch (TypeInstantiationException ex)
{
throw new ConfigurationException("Failed to instantiate plug-in event representation class '" + className + "' via default constructor", ex);
}
catch (TargetInvocationException ex)
{
throw new ConfigurationException("Failed to instantiate plug-in event representation class '" + className + "' via default constructor", ex);
}
catch (MethodAccessException ex)
{
throw new ConfigurationException("Illegal access to instantiate plug-in event representation class '" + className + "' via default constructor", ex);
}
catch (MemberAccessException ex)
{
throw new ConfigurationException("Illegal access to instantiate plug-in event representation class '" + className + "' via default constructor", ex);
}
if (!(pluginEventRepObj is PlugInEventRepresentation))
{
throw new ConfigurationException("Plug-in event representation class '" + className + "' does not implement the required interface " + typeof(PlugInEventRepresentation).FullName);
}
var eventRepURI = entry.Key;
var pluginEventRep = (PlugInEventRepresentation)pluginEventRepObj;
var initializer = entry.Value.Initializer;
var context = new PlugInEventRepresentationContext(eventAdapterService, eventRepURI, initializer);
try
{
pluginEventRep.Init(context);
eventAdapterService.AddEventRepresentation(eventRepURI, pluginEventRep);
}
catch (Exception e)
{
throw new ConfigurationException("Plug-in event representation class '" + className + "' and URI '" + eventRepURI + "' did not initialize correctly : " + e.Message, e);
}
}
// Add plug-in event type names
IDictionary <String, ConfigurationPlugInEventType> plugInNames = configSnapshot.PlugInEventTypes;
foreach (KeyValuePair <String, ConfigurationPlugInEventType> entry in plugInNames)
{
String name = entry.Key;
ConfigurationPlugInEventType config = entry.Value;
eventAdapterService.AddPlugInEventType(name, config.EventRepresentationResolutionURIs, config.Initializer);
}
}
