Why there is no WebWorker like mechanism for JavaFX
tom.schindl at bestsolution.at
Tue Dec 8 17:37:45 UTC 2015
Let's bring this back on the list - i once more accidentally replied
just to you.
and not through the WebView.
On 08.12.15 15:39, Rahman USTA wrote:
> I handled the issue by using WebWorker in WebView, my main suggestion is
> about JavaFX's threading model, not for a workaround.
> I can try j2v8 if it supports Java Scripting API
> 2015-12-08 16:24 GMT+02:00 Tom Schindl <tom.schindl at bestsolution.at
> <mailto:tom.schindl at bestsolution.at>>:
> Use j2v8 - it is insanely fast as long as you don't do a lot
> java->js->java calls which you don't
> Von meinem iPhone gesendet
> > Am 08.12.2015 um 14:17 schrieb Rahman USTA
> <rahman.usta.88 at gmail.com <mailto:rahman.usta.88 at gmail.com>>:
> > Yes your suggestion is OK in theory but in practice, Nashorn is
> too slow
> > without Warmup. I can say Nashorn is 5x to 10x slower than
> embedded webkit
> > to run script.
> > 2015-12-08 15:09 GMT+02:00 Benjamin Gudehus <hastebrot at gmail.com
> <mailto:hastebrot at gmail.com>>:
> >> The JavaFX API offers Worker class for long running tasks.
> can use
> >> the Nashorn JS Virtual machine, which is included in Java 8. I
> guess the
> >> Nashorn documentation also has examples how it's used with the Java
> >> scripting API.
> >>> On Dec 8, 2015 1:50 PM, "Rahman USTA" <rahman.usta.88 at gmail.com
> <mailto:rahman.usta.88 at gmail.com>> wrote:
> >>> I'm really enjoying developing apps in JavaFX, but I think there
> is a
> >>> limitation point;
> >>> When we think HTML5, there is WebWorker to run long-running tasks in
> >>> another process. So, we know WebWorker has no DOM access, it is
> >>> used computational needs.
> >>> Ok, We can run long-running tasks in JavaFX with many threading
> >>> but there is one exception;
> >>> needs JavaFX Application Thread. But, what if your JS code takes
> long time
> >>> to execute ? Your UI will hang. Is it required to execute JS code in
> >>> WebView if it is not accessing DOM API?
> >>> Thanks.
> >>> --
> >>> Rahman USTA
> >>> Istanbul JUG
> >>> https://github.com/rahmanusta <http://www.kodcu.com/>
> > --
> > Rahman USTA
> > Istanbul JUG
> > https://github.com/rahmanusta <http://www.kodcu.com/>
> Rahman USTA
> Istanbul JUG
> https://github.com/rahmanusta <http://www.kodcu.com/>
Thomas Schindl, CTO
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