Re: custom Nano time provider

How does that work for a sequence of timestamps you want to feed? (Assuming
you will need some j.u.c.Queue for this...)

Alex

On Mon, 6 Apr 2020, 11:54 Thorsten via Concurrency-interest, <
[email protected]> wrote:

> Hello
>
> To expand on Peters answer: For testing purpose to get reproducible
> results you might to look into some mocking frameworks.
>
> For example in jmockit i can just do this
>
> final MockUp mockUp = new MockUp(System.class) {
>     @Mock    long nanoTime() {
>         return 1234;    }
> };System.out.println(" = " + System.nanoTime());
>
> Boom custom nanoTime Provider.
>
> Best regards,
>
> Thorsten Goetzke
> Am 06/04/2020 um 11:55 schrieb Peter Levart via Concurrency-interest:
>
> You could perhaps use bytecode instrumentation (
> https://www.baeldung.com/java-instrumentation) to "patch" System class
> and redirect/delegate it's execution to your custom time source.
>
> Peter
>
> On 4/5/20 1:23 PM, Francesco Nigro via Concurrency-interest wrote:
>
> Hi folks,
>
> In the recent period I am working on some high availability solution in
> the project I currently work and I have noticed how is important for
> testing purposes to use custom System::currentTimeMillis and
> System::nanoTime providers to trigger specific reproducible conditions:
> there is any plan to allow something similar in some of the concurrent
> primitive that make uses of such functions?
> I believe this could help both implementors and users.
>
>
> Thanks,
> Franz
>
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