public SagaRegistry(Saga[] sagas, ISagaFinderFactory finder)
{
_finder = finder;
var m = from s in sagas
from i in s.GetType().GetInterfaces()
where i.IsGenericType
let generic = i.GetGenericTypeDefinition()
where generic == typeof(ISagaAction <>)
let a = new { MessageType = i.GetGenericArguments()[0], Manager = CreateManagerForSaga(s) }
let param = Expression.Parameter(typeof(object), "event")
let func = Expression.Lambda <Action <object> >(
Expression.Call(
Expression.Constant(a.Manager), "ProcessMessage", new[] { a.MessageType },
Expression.Convert(param, a.MessageType)), param)
group func.Compile() by a.MessageType
into g
select g;
_interestedManagers = m.ToDictionary(k => k.Key, v => v.ToList());
}
public SagaManager(ISagaFinderFactory factory)
{
_factory = factory;
}
