IScorable <IResolver, IBinding> IScorableFactory <IResolver, IBinding> .ScorableFor(IEnumerable <MethodInfo> methods)
{
var specs =
from method in methods
from bind in InheritedAttributes.For <MethodBindAttribute>(method)
select new { method, bind };
var scorables = from spec in specs
select new MethodScorable(spec.method);
var all = scorables.ToArray().Fold(BindingComparer.Instance);
return(all);
}
IScorable <IResolver, Match> IScorableFactory <IResolver, Match> .ScorableFor(IEnumerable <MethodInfo> methods)
{
var specs =
from method in methods
from pattern in InheritedAttributes.For <RegexPatternAttribute>(method)
select new { method, pattern };
var scorableByMethod = methods.ToDictionary(m => m, m => new MethodScorable(m));
// for a given regular expression pattern, fold the corresponding method scorables together to enable overload resolution
var scorables =
from spec in specs
group spec by spec.pattern into patterns
let method = patterns.Select(m => scorableByMethod[m.method]).ToArray().Fold(BindingComparer.Instance)
let regex = this.make(patterns.Key.Pattern)
select new RegexMatchScorable <IBinding, IBinding>(regex, method);
var all = scorables.ToArray().Fold(MatchComparer.Instance);
return(all);
}
IScorable <IResolver, IntentRecommendation> IScorableFactory <IResolver, IntentRecommendation> .ScorableFor(IEnumerable <MethodInfo> methods)
{
var scorableByMethod = methods.ToDictionary(m => m, m => new MethodScorable(m));
var specs =
from method in methods
from model in InheritedAttributes.For <LuisModelAttribute>(method)
from intent in InheritedAttributes.For <LuisIntentAttribute>(method)
select new { method, intent, model };
// for a given LUIS model and intent, fold the corresponding method scorables together to enable overload resolution
var scorables =
from spec in specs
group spec by new { spec.model, spec.intent } into modelIntents
let method = modelIntents.Select(m => scorableByMethod[m.method]).ToArray().Fold(BindingComparer.Instance)
let service = this.make(modelIntents.Key.model)
select new LuisIntentScorable <IBinding, IBinding>(service, modelIntents.Key.model, modelIntents.Key.intent, method);
var all = scorables.ToArray().Fold(IntentComparer.Instance);
return(all);
}
IScorable <Item, Score> IScorableFactory <Item, Score> .ScorableFor(IEnumerable <MethodInfo> methods)
{
var levels = from method in methods
// note, this is non-deterministic across executions, which seems lame
let defaultOrder = method.Name.GetHashCode()
let attributes = InheritedAttributes.For <ScorableGroupAttribute>(method)
let orders = attributes.Select(order => order.Order).DefaultIfEmpty(defaultOrder)
from order in orders
group method by order into g
orderby g.Key
select g;
var scorables = from level in levels
from factory in this.factories
let scorable = factory.ScorableFor(level)
where Scorable.Keep(scorable)
select scorable;
var winner = scorables.ToArray().Fold(this.comparer, this.onStage);
return(winner);
}
