public static IReliableQbservable <R> SelectMany <T, R>(this IReliableQbservable <T> source, Expression <Func <T, IReliableQbservable <R> > > resultSelector)
{
return(source.Provider.CreateQbservable <R>(
Expression.Call(
((MethodInfo)MethodInfo.GetCurrentMethod()).MakeGenericMethod(typeof(T), typeof(R)),
source.Expression,
resultSelector
)
));
}
public static IReliableQbservable <T> Where <T>(this IReliableQbservable <T> source, Expression <Func <T, bool> > predicate)
{
return(source.Provider.CreateQbservable <T>(
Expression.Call(
((MethodInfo)MethodInfo.GetCurrentMethod()).MakeGenericMethod(typeof(T)),
source.Expression,
predicate
)
));
}
internal IReliableQubscription Subscribe <T>(IReliableQbservable <T> observable, IReliableQbserver <T> observer, Uri subscriptionUri, object state)
{
var subscribe = Expression.Parameter(typeof(Func <IReliableQbservable <T>, IReliableQbserver <T>, IReliableQubscription>), Constants.SubscribeUri);
var expression = Expression.Invoke(subscribe, observable.Expression, observer.Expression);
var normalized = _expressionServices.Normalize(expression);
var subscription = new KnownReliableQubscription(normalized, subscriptionUri, this);
CreateSubscription(subscription, state);
return(subscription);
}
