> On 26 Feb 2017, at 14:44, Alan Bateman <alan.bate...@oracle.com> wrote: > > > > On 26/02/2017 13:13, Doug Simon wrote: >> : >> Also, what if there's provider in jdk.internal.vm.compiler itself? Will it >> be loaded along with the providers on my module path? >> > If it has `provides com.oracle.truffle.api.object.LayoutFactory` then it will > be located too.
I assume that's because the app class loader delegates to the platform class loader? > If the provider interface is only for overriding then you could use > ServiceLoader.load(LayerFactory.class).findFirst().orElse(DefaultLayoutFactory.get()) > so that it use a default/fallback implementation in your module when there > isn't a provider deployed on the module path. Ok, thanks for the tip. -Doug
