public static void For <T>(EventSourceImplementationAttribute attribute)
{
if (attribute == null)
{
throw new ArgumentNullException("attribute");
}
_attributes.AddOrUpdate(typeof(T), attribute, (t, a) => a);
}
/// <summary>
/// Copies the EventSourceAttribute from the interfaceType to a CustomAttributeBuilder.
/// </summary>
/// <param name="type">The interfaceType to copy.</param>
/// <returns>A CustomAttributeBuilder that can be assigned to a type.</returns>
internal static CustomAttributeBuilder GetEventSourceAttributeBuilder(Type type)
{
var attribute = type.GetCustomAttribute <EventSourceAttribute>() ?? new EventSourceAttribute();
var implementation = EventSourceImplementationAttribute.GetAttributeFor(type);
// by default, we will use a null guid, which will tell EventSource to generate the guid from the name
// but if we have already generated this type, we will have to generate a new one
string guid = implementation.Guid ?? attribute.Guid ?? null;
if (guid == null)
{
lock (_typesImplemented)
{
if (_typesImplemented.Contains(type))
{
guid = Guid.NewGuid().ToString();
}
else
{
_typesImplemented.Add(type);
}
}
}
var propertyValues = new object[]
{
implementation.Name ?? attribute.Name ?? (type.IsGenericType ? type.FullName : type.Name),
guid,
implementation.LocalizationResources ?? attribute.LocalizationResources ?? null
};
CustomAttributeBuilder attributeBuilder = new CustomAttributeBuilder(
_eventSourceAttributeConstructor,
_emptyParameters,
_eventSourceAttributePropertyInfo,
propertyValues);
return(attributeBuilder);
}
