That is pretty awesome. Thanks!
On Thu, Sep 7, 2017 at 6:55 AM, Benjamin DeLillo wrote:
> I decided to package this up in a standalone library so it can be used
> until such time that it makes it into a GWT release.
>
> https://github.com/OneGeek/GWT-CompletableFuture
>
> On Monday, September 5, 2016 at 4:47:10 AM UTC-4, Andrei Korzhevskii wrote:
>>
>> I guess you need to super-source this class so the gwt compiler could use
>> it.
>>
>> You can take a look at my initial CompletableFuture implementation here:
>>
>> https://github.com/nordligulv/gwt/tree/completable-future
>> https://github.com/nordligulv/gwt/commit/ea70c5358bac3c939cb
>> 0c1628a58ccc462cd7423
>>
>> Feel free to use it but note that I haven't tested it properly yet.
>>
>>
>>
>> On Monday, September 5, 2016 at 3:28:27 AM UTC+3, Ian Preston wrote:
>>>
>>> I'm trying to emulate CompletableFuture by backing directly onto
>>> Promise, but when compiling it gives this error:
>>> "No source code is available for type java.util.concurrent.Completab
>>> leFuture"
>>> (it finds other JRE classes I've replaced fine)
>>>
>>> My source I'm including is below. Am I doing anything illegal?
>>>
>>> package java.util.concurrent;
>>>
>>> import com.google.gwt.user.client.*;
>>> import jsinterop.annotations.*;
>>>
>>> import java.util.function.*;
>>>
>>> @JsType(isNative=true, name = "Promise", namespace = JsPackage.GLOBAL)
>>> public class CompletableFuture implements CompletionStage {
>>>
>>> @JsMethod(name = "then")
>>> public native CompletableFuture thenApply(Function>> T,? extends U> fn);
>>>
>>> @JsMethod(name = "then")
>>> public native CompletableFuture thenAccept(Consumer
>>> action);
>>>
>>> @JsMethod(name = "then")
>>> public native CompletableFuture thenCompose(Function>> T, ? extends CompletionStage> fn);
>>>
>>> @JsMethod(name = "reject")
>>> public native boolean completeExceptionally(Throwable ex);
>>>
>>> @JsMethod(name = "resolve")
>>> public native boolean complete(T value);
>>>
>>> @JsMethod(name = "resolve")
>>> public static native CompletableFuture completedFuture(U
>>> value);
>>>
>>> @JsOverlay
>>> public T get() throws InterruptedException, ExecutionException {
>>> Window.alert("Calling synchronous get() on CompletableFuture is
>>> not possible in Javascript!");
>>> throw new IllegalStateException("Unimplemented!");
>>> }
>>> }
>>>
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--
Cheers,
Peter Donald
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