internal AttributeServiceInfo(Type serviceType, string compName)
{
List <Type> nqInterfaces = new List <Type>();
this.ParentComponent = compName;
this.ServiceType = serviceType;
ExportedServiceAttribute exportedServiceAttr =
(ExportedServiceAttribute)Attribute.GetCustomAttribute(serviceType, typeof(ExportedServiceAttribute));
ServiceSubstituteAttribute serviceSubstAttr =
(ServiceSubstituteAttribute)Attribute.GetCustomAttribute(serviceType, typeof(ServiceSubstituteAttribute));
ServiceAttachmentAttribute serviceAttachmentAttr =
(ServiceAttachmentAttribute)Attribute.GetCustomAttribute(serviceType, typeof(ServiceAttachmentAttribute));
ComponentRequirementAttribute[] compRequirementAttr =
(ComponentRequirementAttribute[])Attribute.GetCustomAttributes(serviceType, typeof(ComponentRequirementAttribute));
AutoInjectionAttribute[] autoInjectionAttr = (AutoInjectionAttribute[])Attribute.GetCustomAttributes(serviceType, typeof(AutoInjectionAttribute));
if (exportedServiceAttr != null)
{
// Save component information
this.Lifecycle = exportedServiceAttr.SingleInstance ? (ILifecycle) new SingletonLifecycle() : (ILifecycle) new MultiLifecycle();
// TODO Set appropriate initializer
if (serviceSubstAttr != null)
{
this.Substitutes = serviceSubstAttr.ServiceList;
}
if (serviceAttachmentAttr != null)
{
this.MemberOfLists = serviceAttachmentAttr.ServiceList;
}
if (compRequirementAttr != null)
{
Requires = compRequirementAttr.Select(a => a.ComponentRequirement);
}
// Get the registered interface for the service
Type[] types = serviceType.GetInterfaces();
if ((types != null) && (types.Length > 0))
{
// Take the first interface, that is marked with NQServiceInterfaceAttribute
foreach (Type interfaceType in serviceType.GetInterfaces())
{
ServiceInterfaceAttribute serviceInterfaceAttr =
(ServiceInterfaceAttribute)Attribute.GetCustomAttribute(interfaceType, typeof(ServiceInterfaceAttribute));
if (serviceInterfaceAttr != null)
{
this.ServiceInterface = interfaceType;
break;
}
}
}
if (this.ServiceInterface == null)
{
// We use the type implementing the service as its own service interface
this.ServiceInterface = serviceType;
}
// List all interfaces that are implemented by the registered service interface
foreach (Type interfaceType in this.ServiceInterface.GetInterfaces())
{
//NQServiceInterfaceAttribute typesia = (NQServiceInterfaceAttribute) Attribute.GetCustomAttribute(interfaceType, typeof(NQServiceInterfaceAttribute));
//if (typesia != null)
//{
nqInterfaces.Add(interfaceType);
//}
}
this.InterfaceTypes = nqInterfaces;
// Look for invokable service methods
// TODO How to handle this in future?
// MethodInfo[] methods = serviceType.GetMethods(BindingFlags.Instance | BindingFlags.Public);
// if (methods != null)
// {
// for (int i = 0; i < methods.Length; i++)
// {
// ServiceInvokeMethodAttribute invokeMethodAttr = (ServiceInvokeMethodAttribute) Attribute.GetCustomAttribute(methods[i], typeof(ServiceInvokeMethodAttribute));
// ServiceQuitMethodAttribute quitMethodAttr = (ServiceQuitMethodAttribute) Attribute.GetCustomAttribute(methods[i], typeof(ServiceQuitMethodAttribute));
//
// if (invokeMethodAttr != null)
// {
// // We have found an InvokeMethod
// this.InvokeMethod = methods[i];
// this.IsInvokable = true;
// }
// if (quitMethodAttr != null)
// {
// // We have found a QuitMethod
// this.QuitMethod = methods[i];
// this.IsInvokable = true;
// }
// }
// }
// Now check for auto-injection entries
if (autoInjectionAttr != null)
{
this.AutoInjections = autoInjectionAttr.Select(
a => new AutoInjection()
{
BoundService = a.BoundService,
BoundAttachList = a.BoundAttachList,
Interface = a.ServiceInterface,
InjectAsDependent = a.InjectAsDependent,
InjectFromAttachList = a.InjectFromAttachList,
Overridable = a.Overridable
});
}
}
else
{
// Erroneous service definition
throw new ServiceDefinitionException(ErrorReason.ServiceNameUnspecified, "Service name unspecified");
}
}
public static bool IsValidServiceClass(Type serviceType)
{
ExportedServiceAttribute esa = (ExportedServiceAttribute)Attribute.GetCustomAttribute(serviceType, typeof(ExportedServiceAttribute));
return(esa != null);
}
