Re: [cdi-dev] async: back to completion future?

Le 7 mars 2016 08:35, "Martin Kouba" <mkouba(a)redhat.com <mailto:mkouba@redhat.com>> a écrit : > > Dne 6.3.2016 v 15:39 Romain Manni-Bucau napsal(a): > >> Hi guys, >> >> as a user having a ComlpetionStage makes me loose some JDK utilities, >> can we move back to CompletionFuture? >> >> It would allow for instance: >> >> // doesn't work with CompletionStage >> CompletionFuture.allOf(event1.fireAsync(...), event2.fireAsync(...)) >> .then(...) > > > Well, this should work if the underlying CompletionStage impl supports toCompletableFuture(), i.e. in Weld 3: > Yes but it is not natural to convert it IMO = we can do better > CompletableFuture.allOf(event1.fireAsync(...).toCompletableFuture(), event2.fireAsync(...).toCompletableFuture()) > > AFAIK the default async execution facility of CompletableFuture is ForkJoinPool.commonPool() which is not a good fit for Java EE. Using the CompletionStage interface allows us to wrap the async calls without the specified executor (e.g. CompletionStage.thenApplyAsync(Function<? super T, ? extends U>)) and supply a default one provided by the impl. > Should use the pool in which the evznt is fired then "then step" is synchronous is my sample so all is decided at fire time

> >> >> Romain Manni-Bucau >> @rmannibucau <https://twitter.com/rmannibucau> | Blog >> <http://rmannibucau.wordpress.com> | Github >> <https://github.com/rmannibucau> | LinkedIn >> <https://www.linkedin.com/in/rmannibucau> | Tomitriber >> <http://www.tomitribe.com> >> >> >> >> _______________________________________________ >> cdi-dev mailing list >> cdi-dev(a)lists.jboss.org <mailto:cdi-dev@lists.jboss.org> >> https://lists.jboss.org/mailman/listinfo/cdi-dev >> >> Note that for all code provided on this list, the provider licenses the code under the Apache License, Version 2 (http://www.apache.org/licenses/LICENSE-2.0.html). For all other ideas provided on this list, the provider waives all patent and other intellectual property rights inherent in such information. >> > > -- > Martin Kouba > Software Engineer > Red Hat, Czech Republic