List <IHandlerAttribute <T> > GetAttributes <T>(IHandleCommands handler)
{
// TODO bad bad performance due to reflection. Probably want to cache all these look ups?
var customAttributes = new List <IHandlerAttribute <T> >();
var allAttributes = Attribute.GetCustomAttributes(handler.GetType().GetMethod("Handle"));
foreach (var attribute in allAttributes)
{
var attributeType = attribute.GetType();
if (attributeType.GetInterfaces().Any(i => i.Name == "IHandleAttribute"))
{
var attributeFromFactory = _commandHandlerFactory.CreateAttribute <T>(attributeType);
attributeFromFactory.Order = GetPriority(attribute);
customAttributes.Add(attributeFromFactory);
}
}
return(customAttributes);
}