Virtual threads in existing FJP logic

[Nawazish Khan]

Hi Christian,

I believe it should be possible and doable. The Worker Thread Facrory,
while creating Threads, should simply create Virtual Threads instead of
java.lang.Threads.

Sincerely,
MNK



On Sat, Feb 15, 2020 at 1:56 AM Christian Stein <sormuras at gmail.com> wrote:

> Hi everybody,
>
> Marc and I from the JUnit team are exploring ways how to
> integrate virtual threads into the Jupiter test engine. Today
> we're using a FJP to enable parallel test execution.
>
> Find the implementation here [0], where at end of the source
> file, you'll see our custom ForkJoinWorkerThreadFactory and
> the custom ForkJoinWorkerThread implementation.
>
> My idea was to "simply" configure those custom classes to
> create virtual threads. Is this possible? If not, we might
> resort to add a virtual thread based implementation of the
> HierarchicalTestExecutorService interface.
>
> Cheers,
> Christian
>
> [0]:
>
> https://github.com/junit-team/junit5/blob/master/junit-platform-engine/src/main/java/org/junit/platform/engine/support/hierarchical/ForkJoinPoolHierarchicalTestExecutorService.java
>