public static IModelObservable <T> Take <T>(this IModelObservable <T> source, int number)
{
return(Create <T>(
o =>
{
int count = 0;
IDisposable disposable = null;
disposable = source.Observe(
i =>
{
count++;
if (count <= number)
{
o.OnNext(i);
}
else
{
disposable.Dispose();
}
},
o.OnCompleted
);
return disposable;
}
));
}
public static IModelObservable <TSubModel> Select <TModel, TSubModel>(this IModelObservable <TModel> source, Func <TModel, TSubModel> selector)
{
return(Create <TSubModel>(
o =>
{
var disposable = source.Observe(
i =>
{
o.OnNext(selector(i));
},
o.OnCompleted
);
return disposable;
}
));
}
public static IModelObservable <T> Where <T>(this IModelObservable <T> source, Func <T, bool> predicate)
{
return(Create <T>(
o =>
{
var disposable = source.Observe(
i =>
{
if (predicate(i))
{
o.OnNext(i);
}
},
o.OnCompleted
);
return disposable;
}
));
}