CompletableFuture uniApply method





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I want to know that the using about uniApply of Java8 CompletableFuture class.



And I fell confused it. For example,the section of the code:



private <V> CompletableFuture<V> uniApplyStage(
Executor e, Function<? super T,? extends V> f) {
if (f == null) throw new NullPointerException();
CompletableFuture<V> d = new CompletableFuture<V>();
if (e != null || !d.uniApply(this, f, null)) {
UniApply<T,V> c = new UniApply<T,V>(e, d, this, f);
push(c);
c.tryFire(SYNC);
}
return d;
}









share|improve this question




















  • 4





    I also feel confused since I don't find that method in the docs

    – daniu
    Nov 16 '18 at 12:38






  • 3





    Its a private method belonging to the class CompletableFuture which should not ideally be used publically. So what is it and why do you want to seek using this method?

    – Naman
    Nov 16 '18 at 13:03






  • 1





    @FedericoPeraltaSchaffner I agree it seems to be that. But then what in that method implementation is the OP actually looking out an explanation for is unclear to me. (Is it the complete method or a line of code or some argument etc)

    – Naman
    Nov 16 '18 at 15:02








  • 1





    “I fell confused it” is not a question.

    – Holger
    Nov 16 '18 at 16:58






  • 1





    @nullpointer sorry..., I did not explain the qustion clearly. Before I did not understand the using about this method uniApply. And now I think it is used to judge that if the param f can be executed when uniApply be invoked.

    – swimming_fish
    Nov 23 '18 at 7:52


















0















I want to know that the using about uniApply of Java8 CompletableFuture class.



And I fell confused it. For example,the section of the code:



private <V> CompletableFuture<V> uniApplyStage(
Executor e, Function<? super T,? extends V> f) {
if (f == null) throw new NullPointerException();
CompletableFuture<V> d = new CompletableFuture<V>();
if (e != null || !d.uniApply(this, f, null)) {
UniApply<T,V> c = new UniApply<T,V>(e, d, this, f);
push(c);
c.tryFire(SYNC);
}
return d;
}









share|improve this question




















  • 4





    I also feel confused since I don't find that method in the docs

    – daniu
    Nov 16 '18 at 12:38






  • 3





    Its a private method belonging to the class CompletableFuture which should not ideally be used publically. So what is it and why do you want to seek using this method?

    – Naman
    Nov 16 '18 at 13:03






  • 1





    @FedericoPeraltaSchaffner I agree it seems to be that. But then what in that method implementation is the OP actually looking out an explanation for is unclear to me. (Is it the complete method or a line of code or some argument etc)

    – Naman
    Nov 16 '18 at 15:02








  • 1





    “I fell confused it” is not a question.

    – Holger
    Nov 16 '18 at 16:58






  • 1





    @nullpointer sorry..., I did not explain the qustion clearly. Before I did not understand the using about this method uniApply. And now I think it is used to judge that if the param f can be executed when uniApply be invoked.

    – swimming_fish
    Nov 23 '18 at 7:52














0












0








0








I want to know that the using about uniApply of Java8 CompletableFuture class.



And I fell confused it. For example,the section of the code:



private <V> CompletableFuture<V> uniApplyStage(
Executor e, Function<? super T,? extends V> f) {
if (f == null) throw new NullPointerException();
CompletableFuture<V> d = new CompletableFuture<V>();
if (e != null || !d.uniApply(this, f, null)) {
UniApply<T,V> c = new UniApply<T,V>(e, d, this, f);
push(c);
c.tryFire(SYNC);
}
return d;
}









share|improve this question
















I want to know that the using about uniApply of Java8 CompletableFuture class.



And I fell confused it. For example,the section of the code:



private <V> CompletableFuture<V> uniApplyStage(
Executor e, Function<? super T,? extends V> f) {
if (f == null) throw new NullPointerException();
CompletableFuture<V> d = new CompletableFuture<V>();
if (e != null || !d.uniApply(this, f, null)) {
UniApply<T,V> c = new UniApply<T,V>(e, d, this, f);
push(c);
c.tryFire(SYNC);
}
return d;
}






java java-8 completable-future






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 16 '18 at 13:14









Mani

2421421




2421421










asked Nov 16 '18 at 12:22









swimming_fishswimming_fish

41




41








  • 4





    I also feel confused since I don't find that method in the docs

    – daniu
    Nov 16 '18 at 12:38






  • 3





    Its a private method belonging to the class CompletableFuture which should not ideally be used publically. So what is it and why do you want to seek using this method?

    – Naman
    Nov 16 '18 at 13:03






  • 1





    @FedericoPeraltaSchaffner I agree it seems to be that. But then what in that method implementation is the OP actually looking out an explanation for is unclear to me. (Is it the complete method or a line of code or some argument etc)

    – Naman
    Nov 16 '18 at 15:02








  • 1





    “I fell confused it” is not a question.

    – Holger
    Nov 16 '18 at 16:58






  • 1





    @nullpointer sorry..., I did not explain the qustion clearly. Before I did not understand the using about this method uniApply. And now I think it is used to judge that if the param f can be executed when uniApply be invoked.

    – swimming_fish
    Nov 23 '18 at 7:52














  • 4





    I also feel confused since I don't find that method in the docs

    – daniu
    Nov 16 '18 at 12:38






  • 3





    Its a private method belonging to the class CompletableFuture which should not ideally be used publically. So what is it and why do you want to seek using this method?

    – Naman
    Nov 16 '18 at 13:03






  • 1





    @FedericoPeraltaSchaffner I agree it seems to be that. But then what in that method implementation is the OP actually looking out an explanation for is unclear to me. (Is it the complete method or a line of code or some argument etc)

    – Naman
    Nov 16 '18 at 15:02








  • 1





    “I fell confused it” is not a question.

    – Holger
    Nov 16 '18 at 16:58






  • 1





    @nullpointer sorry..., I did not explain the qustion clearly. Before I did not understand the using about this method uniApply. And now I think it is used to judge that if the param f can be executed when uniApply be invoked.

    – swimming_fish
    Nov 23 '18 at 7:52








4




4





I also feel confused since I don't find that method in the docs

– daniu
Nov 16 '18 at 12:38





I also feel confused since I don't find that method in the docs

– daniu
Nov 16 '18 at 12:38




3




3





Its a private method belonging to the class CompletableFuture which should not ideally be used publically. So what is it and why do you want to seek using this method?

– Naman
Nov 16 '18 at 13:03





Its a private method belonging to the class CompletableFuture which should not ideally be used publically. So what is it and why do you want to seek using this method?

– Naman
Nov 16 '18 at 13:03




1




1





@FedericoPeraltaSchaffner I agree it seems to be that. But then what in that method implementation is the OP actually looking out an explanation for is unclear to me. (Is it the complete method or a line of code or some argument etc)

– Naman
Nov 16 '18 at 15:02







@FedericoPeraltaSchaffner I agree it seems to be that. But then what in that method implementation is the OP actually looking out an explanation for is unclear to me. (Is it the complete method or a line of code or some argument etc)

– Naman
Nov 16 '18 at 15:02






1




1





“I fell confused it” is not a question.

– Holger
Nov 16 '18 at 16:58





“I fell confused it” is not a question.

– Holger
Nov 16 '18 at 16:58




1




1





@nullpointer sorry..., I did not explain the qustion clearly. Before I did not understand the using about this method uniApply. And now I think it is used to judge that if the param f can be executed when uniApply be invoked.

– swimming_fish
Nov 23 '18 at 7:52





@nullpointer sorry..., I did not explain the qustion clearly. Before I did not understand the using about this method uniApply. And now I think it is used to judge that if the param f can be executed when uniApply be invoked.

– swimming_fish
Nov 23 '18 at 7:52












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