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public final static <T> Optional<Seq<T>> streamToOptional(final Stream<T> stream) { final List<T> collected = stream.collect(java.util.stream.Collectors.toList()); if (collected.size() == 0) return Optional.empty(); return Optional.of(Seq.fromIterable(collected)); }
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public final static <T> Stream<T> optionalToStream(final Optional<T> optional) { if (optional.isPresent()) return Stream.of(optional.get()); return Stream.of(); }
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public final static <T> CompletableFuture<List<T>> streamToCompletableFuture(final Stream<T> stream) { return CompletableFuture.completedFuture(stream.collect(Collectors.toList())); }
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public final static <T> Stream<T> completableFutureToStream(final CompletableFuture<T> future) { return Stream.of(future.join()); }
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@SuppressWarnings("unchecked") public final static <T> Tuple4<Stream<T>, Stream<T>, Stream<T>, Stream<T>> quadruplicate(final Stream<T> stream) { final Stream<Stream<T>> its = Streams.toBufferingCopier(stream.iterator(), 4) .stream() ...
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public static final <T> Stream<T> appendStream(final Stream<T> stream1, final Stream<T> append) { return Stream.concat(stream1, append); }
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public static final <T> Stream<T> prependStream(final Stream<T> stream1, final Stream<T> prepend) { return Stream.concat(prepend, stream1); }
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public static <U> Stream<U> dropWhile(final Stream<U> stream, final Predicate<? super U> predicate) { return StreamSupport.stream(new SkipWhileSpliterator<U>(stream.spliterator(),predicate), stream.isParallel()); }
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public static <U> Stream<U> cycle(final Stream<U> s) { return cycle(Streamable.fromStream(s)); }
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@SuppressWarnings({ "rawtypes", "unchecked" }) public static <R> Seq<R> reduce(final Stream<R> stream, final Iterable<? extends Monoid<R>> reducers) { return Seq.fromIterable(new MultiReduceOperator<R>( stream).reduce(reducers)); }
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@SuppressWarnings({ "rawtypes", "unchecked" }) public static <R> Seq<R> reduce(final Stream<R> stream, final Stream<? extends Monoid<R>> reducers) { return reduce(stream, Seq.fromIterable((List) reducers.collect(java.util.stream.Collectors.toList()))); }
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public final static <T> Stream<T> cycleUntil(final Stream<T> stream, final Predicate<? super T> predicate) { return Streams.takeUntil(Streams.cycle(stream), predicate); }
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public final static <T, S, R> Stream<R> zipSequence(final Stream<T> stream, final Stream<? extends S> second, final BiFunction<? super T, ? super S, ? extends R> zipper) { final Iterator<T> left = stream.iterator(); final Iterator<? extends S> right = second.iterator(); return Stream...
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public final static <T> Stream<Vector<T>> grouped(final Stream<T> stream, final int groupSize) { return StreamSupport.stream(new GroupingSpliterator<>(stream.spliterator(),()->Vector.empty(), c->Vector.fromIterable(c),groupSize),stream.isParallel()); }
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public final static <T> Stream<T> scanLeft(final Stream<T> stream, final Monoid<T> monoid) { final Iterator<T> it = stream.iterator(); return Streams.stream(new Iterator<T>() { boolean init = false; T next = monoid.zero(); @Override public boolean hasNex...
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public static <T> boolean xMatch(final Stream<T> stream, final int num, final Predicate<? super T> c) { return stream.filter(t -> c.test(t)) .collect(java.util.stream.Collectors.counting()) == num; }
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public final static <T, R> R foldMap(final Stream<T> stream, final Function<? super T, ? extends R> mapper, final Monoid<R> reducer) { return reducer.foldLeft(stream.map(mapper)); }
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public static <T> Stream<T> intersperse(final Stream<T> stream, final T value) { return stream.flatMap(t -> Stream.of(value, t)) .skip(1); }
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@SuppressWarnings("unchecked") public static <T, U> Stream<U> ofType(final Stream<T> stream, final Class<? extends U> type) { return stream.filter(type::isInstance) .map(t -> (U) t); }
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public final static <T> Stream<Character> flatMapCharSequence(final Stream<T> stream, final Function<? super T, CharSequence> fn) { return stream.flatMap(fn.andThen(CharSequence::chars) .andThen(s->s.mapToObj(i->Character.toChars(i)[0]))); }
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public final static <T> Stream<String> flatMapFile(final Stream<T> stream, final Function<? super T, File> fn) { return stream.flatMap(fn.andThen(f->ExceptionSoftener.softenSupplier(()->Files.lines(Paths.get(f.getAbsolutePath()) ) ).get())); }
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public final static <T> Stream<String> flatMapURL(final Stream<T> stream, final Function<? super T, URL> fn) { return stream.flatMap(fn.andThen(url -> ExceptionSoftener.softenSupplier(() -> { final BufferedReader in = new BufferedReader( new I...
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public final static <T> Stream<String> flatMapBufferedReader(final Stream<T> stream, final Function<? super T, BufferedReader> fn) { return stream.flatMap(fn.andThen(in -> ExceptionSoftener.softenSupplier(() -> { return in.lines(); }) .get())); ...
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public final static <T> Stream<Seq<T>> groupedStatefullyUntil(final Stream<T> stream, final BiPredicate<Seq<? super T>, ? super T> predicate) { return StreamSupport.stream(new GroupedStatefullySpliterator<>(stream.spliterator(),()->Seq.of(),Function.identity(),predicate.negate()),stream.isParallel()...
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public final static <T> Stream<Seq<T>> groupedUntil(final Stream<T> stream, final Predicate<? super T> predicate) { return groupedWhile(stream, predicate.negate()); }
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public final static <T> Stream<T> debounce(final Stream<T> stream, final long time, final TimeUnit t) { return new DebounceOperator<>( stream).debounce(time, t); }
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public final static <T> Stream<T> onePer(final Stream<T> stream, final long time, final TimeUnit t) { return new OnePerOperator<>( stream).onePer(time, t); }
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public static MutableLong fromExternal(final LongSupplier s, final LongConsumer c) { return new MutableLong() { @Override public long getAsLong() { return s.getAsLong(); } @Override public Long get() { return getAsLong(...
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public <R> R submit(final Function<RS, R> fn) { return submit(() -> fn.apply(this.results)); }
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public <T> T submit(final Callable<T> callable) { if (taskExecutor instanceof ForkJoinPool) { try { return ((ForkJoinPool) taskExecutor).submit(callable) .get(); } catch (final ExecutionException e) { th...
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public static <R> Function0<R> memoizeSupplierAsync(final Supplier<R> fn, ScheduledExecutorService ex, long updateRateInMillis){ return ()-> Memoize.memoizeFunctionAsync(a-> fn.get(),ex,updateRateInMillis) .apply("k"); }
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public static <T1, T2, R> Function2<T1, T2, R> memoizeBiFunction(final BiFunction<T1, T2, R> fn) { Function1<Tuple2<T1, T2>, R> memoise2 = memoizeFunction((final Tuple2<T1, T2> pair) -> fn.apply(pair._1(), pair._2())); return (t1, t2) -> memoise2.apply(tuple(t1, t2)); }
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public static <T1, T2, T3, R> Function3<T1, T2, T3, R> memoizeTriFunction(final Function3<T1, T2, T3, R> fn, final Cacheable<R> cache) { Function1<Tuple3<T1, T2, T3>, R> memoise2 = memoizeFunction((final Tuple3<T1, T2, T3> triple) -> fn.apply(triple._1(), triple._2(), triple._3()), cache); return (t1, t2,...
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public static <T1, T2, T3, T4, R> Function4<T1, T2, T3, T4, R> memoizeQuadFunction(final Function4<T1, T2, T3, T4, R> fn) { Function1<Tuple4<T1, T2, T3, T4>, R> memoise2 = memoizeFunction((final Tuple4<T1, T2, T3, T4> quad) -> fn.apply(quad._1(), quad._2(), quad._3(), quad._4())); return (t1, t2, t3, t4) ...
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public static <T> Predicate<T> memoizePredicate(final Predicate<T> p, final Cacheable<Boolean> cache) { final Function<T, Boolean> memoised = memoizeFunction((Function<T, Boolean>) t -> p.test(t), cache); LazyImmutable<Boolean> nullR = LazyImmutable.def(); return (t) -> t==null? nullR.computeIfA...
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public static <T> Mono<T> anyOf(Mono<T>... fts) { return Mono.from(Future.anyOf(futures(fts))); }
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public static <T1, T2, R1, R2, R> Mono<R> forEach3(Mono<? extends T1> value1, Function<? super T1, ? extends Mono<R1>> value2, BiFunction<? super T1, ? super R1, ? extends Mono<R2>> value3, Function3<? super T1, ? super R1, ? super R2, ? extends R> yieldingFunction) { Future...
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public static <T, R1, R> Mono<R> forEach(Mono<? extends T> value1, Function<? super T, Mono<R1>> value2, BiFunction<? super T, ? super R1, ? extends R> yieldingFunction) { Future<R> res = Future.fromPublisher(value1).flat...
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public static <T> Mono<T> fromIterable(Iterable<T> t) { return Mono.from(Flux.fromIterable(t)); }
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public static MutableShort fromExternal(final Supplier<Short> s, final Consumer<Short> c) { return new MutableShort() { @Override public short getAsShort() { return s.get(); } @Override public Short get() { return getAs...
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public static <U> Stream<U> cycle(final int times, final Streamable<U> s) { return Stream.iterate(s.stream(), s1 -> s.stream()) .limit(times) .flatMap(Function.identity()); }
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public static final <A> Collection<A> toConcurrentLazyCollection(final Stream<A> stream) { return toConcurrentLazyCollection(stream.iterator()); }
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@Override public <B> OptionalT<W,B> map(final Function<? super T, ? extends B> f) { return new OptionalT<W,B>( run.map(o -> o.map(f))); }
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public static <W extends WitnessType<W>,A> OptionalT<W,A> of(final AnyM<W,Optional<A>> monads) { return new OptionalT<>( monads); }
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public static <T> QueueBasedSubscriber<T> subscriber(final Counter counter, final int maxConcurrency) { return new QueueBasedSubscriber<>( counter, maxConcurrency); }
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public static <T> QueueBasedSubscriber<T> subscriber(final Queue<T> q, final Counter counter, final int maxConcurrency) { return new QueueBasedSubscriber<>( q, counter, maxConcurrency); }
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public static <T> QueueBasedSubscriber<T> subscriber(final QueueFactory<T> factory, final Counter counter, final int maxConcurrency) { return new QueueBasedSubscriber<>( factory, counter, maxConcurrency); }
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public <S,R> Active<W,R> custom(Function<? super Higher<W, T>,? extends S> narrow,Function<? super S,? extends Higher<W,R>> fn){ return Active.of(fn.apply(narrow.apply(single)),def1); }
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public static <T> Mutable<T> fromExternal(final Supplier<T> s, final Consumer<T> c) { return new Mutable<T>() { @Override public T get() { return s.get(); } @Override public Mutable<T> set(final T value) { c.accept(valu...
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public static <T1, T2, T3, T4, T5, R> Supplier<R> partial5(final T1 t1, final T2 t2, final T3 t3, final T4 t4, final T5 t5, final Function5<T1, T2, T3, T4, T5, R> quintFunc) { return () -> quintFunc.apply(t1, t2, t3, t4, t5); }
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public static <T1, T2, T3, T4, T5, T6, R> Supplier<R> partial6(final T1 t1, final T2 t2, final T3 t3, final T4 t4, final T5 t5, final T6 t6, final Function6<T1, T2, T3, T4, T5, T6, R> hexFunc) { return () -> hexFunc.apply(t1, t2, t3, t4, t5, t6); }
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public static <T> OptionalKind<T> narrow(final Higher<optional, T> future) { return (OptionalKind<T>)future; }
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public static <T> Optional<T> narrowK(final Higher<optional, T> Optional) { //has to be an OptionalKind as only OptionalKind can implement Higher<optional, T> return ((OptionalKind<T>)Optional).boxed; }
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public static <T1, T2, R1, R2, R> CompletableFuture<R> forEach3(CompletableFuture<? extends T1> value1, Function<? super T1, ? extends CompletableFuture<R1>> value2, BiFunction<? super...
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public static <T, R1, R> CompletableFuture<R> forEach2(CompletableFuture<? extends T> value1, Function<? super T, CompletableFuture<R1>> value2, BiFunction<? super T, ? super R1, ? extends R> yieldingFunction) { return value1.thenCompose(in -> { ...
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public static <T> CompletableFuture<ReactiveSeq<T>> sequence(final Stream<? extends CompletableFuture<T>> fts) { return sequence(ReactiveSeq.fromStream((fts))); }
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static <T> void subscribe(Subscriber<? super T> s, Iterator<? extends T> it) { if (it == null) { error(s, new NullPointerException("The iterator is null")); return; } boolean b; try { b = it.hasNext(); } catch (Throwable e) { erro...
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public static <K, V> Pipes<K, V> of(final Map<K, Adapter<V>> registered) { Objects.requireNonNull(registered); final Pipes<K, V> pipes = new Pipes<>(); pipes.registered.putAll(registered); return pipes; }
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public void push(final K key, final V value) { Optional.ofNullable(registered.get(key)) .ifPresent(a -> a.offer(value)); }
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@SuppressWarnings({ "unchecked", "rawtypes" }) public Option<Adapter<V>> get(final K key) { return Option.ofNullable((Adapter) registered.get(key)); }
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@SuppressWarnings({ "unchecked", "rawtypes" }) public Option<FutureStream<V>> futureStream(final K key, final LazyReact builder) { return get(key).map(a -> builder.fromStream(a.stream())); }
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@SuppressWarnings({ "unchecked", "rawtypes" }) public Option<ReactiveSeq<V>> reactiveSeq(final K key) { return get(key).map(a -> a.stream()); }
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public ListX<V> xValues(final K key, final long x) { return get(key).map(a -> a.stream() .limit(x) .to(ReactiveConvertableSequence::converter).listX()) .orElse(ListX.empty()); }
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@SuppressWarnings({ "unchecked", "rawtypes" }) public Option<V> oneValue(final K key) { final ValueSubscriber<V> sub = ValueSubscriber.subscriber(); return get(key).peek(a -> a.stream() .subscribe(sub)) .flatMap(a -> sub.toMaybe()); }
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public void subscribeTo(final K key, final Subscriber<V> subscriber) { registered.get(key) .stream() .subscribe(subscriber); }
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public void subscribeTo(final K key, final Subscriber<V> subscriber, final Executor subscribeOn) { CompletableFuture.runAsync(() -> subscribeTo(key, subscriber), subscribeOn); }
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public void publishTo(final K key, final Publisher<V> publisher) { registered.get(key).fromStream(Spouts.from(publisher)); }
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public void publishToAsync(final K key, final Publisher<V> publisher) { SequentialElasticPools.simpleReact.react(er -> er.of(publisher) .peek(p -> publishTo(key, p))); }
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public void close(final String key) { Optional.ofNullable(registered.get(key)) .ifPresent(a -> a.close()); }
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public <U> FutureStream<U> from(final CompletableFuture<U> cf) { return this.constructFutures(Stream.of(cf)); }
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public <U> FutureStream<U> constructFutures(final Stream<CompletableFuture<U>> s) { final LazyReact toUse = withStreamOfFutures(true); return toUse.construct((Stream<U>) s); }
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public <T> FutureStream<T> fromPublisher(final Publisher<? extends T> publisher) { Objects.requireNonNull(publisher); Publisher<T> narrowed = (Publisher<T>)publisher; return fromStream(Spouts.from(narrowed)); }
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public static LazyReact parallelBuilder(final int parallelism) { return LazyReact.builder() .executor(Executors.newFixedThreadPool(parallelism)) .build(); }
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public <U> FutureStream<U> iterate(final U seed, final UnaryOperator<U> f) { final Subscription sub = new Subscription(); final Supplier<U> supplier = new Supplier<U>() { @SuppressWarnings("unchecked") U t = (U) NONE; @Override public U get() { ...
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public <U> FutureStream<U> generate(final Supplier<U> generate) { return construct(StreamSupport.<U> stream(new InfiniteClosingSpliteratorFromSupplier<U>( Long.MAX_VALUE, generate, new Subscription()), ...
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public <U> FutureStream<U> generateAsync(final Supplier<U> s) { return this.constructFutures(ReactiveSeq.generate(() -> 1) .map(n -> CompletableFuture.supplyAsync(s, getExecutor()))); }
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public T set(final T newValue) { if(continuous!=null) continuous.offer(newValue); setDiscreteIfDiff(newValue); return newValue; }
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public void addMissingRequests(){ int missed=1; long toRequest=0L; do { long localQueued = queued.getAndSet(0l); Subscription localSub = next.getAndSet(null); long missedOutput = produced.get(); Subscription localActive = active.get(); ...
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public ReactiveTask requestAsync(final long n) { return withSubscriptionAndTask(subscriptionAndTask.map2(c -> CompletableFuture.runAsync(() -> subscriptionAndTask._1().join() .request(n), ...
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@Override public <B> EitherT<W,ST,B> map(final Function<? super T, ? extends B> f) { return new EitherT<W,ST,B>( run.map(o -> o.map(f))); }
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public static <W extends WitnessType<W>,U,ST, R> Function<EitherT<W,ST,U>, EitherT<W,ST,R>> lift(final Function<? super U, ? extends R> fn) { return optTu -> optTu.map(input -> fn.apply(input)); }
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public static <W extends WitnessType<W>,ST,A> EitherT<W,ST,A> of(final AnyM<W,Either<ST,A>> monads) { return new EitherT<>( monads); }
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public static <W extends WitnessType<W>,A> EvalT<W,A> of(final AnyM<W,Eval<A>> monads) { return new EvalT<>( monads); }
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public boolean add(final T data) { try { final boolean result = queue.add((T) nullSafe(data)); if (result) { if (sizeSignal != null) this.sizeSignal.set(queue.size()); } return result; } catch (final IllegalStateExcep...
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@Override public boolean offer(final T data) { if (!open) { throw new ClosedQueueException(); } try { final boolean result = producerWait.offer(() -> this.queue.offer((T) nullSafe(data), this.offerTimeout, this.offerTimeUnit)); if (sizeSignal != null) ...
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@Override public boolean close() { this.open = false; for (int i = 0; i < listeningStreams.get(); i++) { try{ this.queue.offer((T) POISON_PILL); }catch(Exception e){ } } return true; }
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@Override public <R> LazyImmutable<R> map(final Function<? super T, ? extends R> fn) { final T val = get(); if (val == UNSET) return (LazyImmutable<R>) this; else return LazyImmutable.of(fn.apply(val)); }
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public <R> LazyImmutable<? extends R> flatMap(final Function<? super T, ? extends LazyImmutable<? extends R>> fn) { final T val = get(); if (val == UNSET) return (LazyImmutable<R>) this; else return fn.apply(val); }
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public T computeIfAbsent(final Supplier<T> lazy) { final T val = get(); if (val == UNSET) return setOnceFromSupplier(lazy); return val; }
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public static <REACTOR extends ReactBuilder> ReactPool<REACTOR> elasticPool(final Supplier<REACTOR> supplier) { return new ReactPool<>( supplier); }
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public <B> MonoT<W,B> flatMapT(final Function<? super T, MonoT<W,B>> f) { MonoT<W, B> r = of(run.map(future -> Mono.from(future.flatMap(a -> { Mono<B> m = f.apply(a).run.stream() .toList() .get(0); return m; })))); return r; }
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public static <W extends WitnessType<W>,A> MonoT<W,A> of(final AnyM<W,Mono<A>> monads) { return new MonoT<>( monads); }
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public static MutableInt fromExternal(final IntSupplier s, final IntConsumer c) { return new MutableInt() { @Override public int getAsInt() { return s.getAsInt(); } @Override public Integer get() { return getAsInt(); ...
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public static MutableByte fromExternal(final Supplier<Byte> s, final Consumer<Byte> c) { return new MutableByte() { @Override public byte getAsByte() { return s.get(); } @Override public Byte get() { return getAsByte();...
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public static final <Y> Predicate<Y> any(final Class<Y> c) { return a -> a.getClass() .isAssignableFrom(c); }
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public <R1, R4> State<S,R4> forEach2(Function<? super T, State<S,R1>> value2, BiFunction<? super T, ? super R1, ? extends R4> yieldingFunction) { return this.flatMap(in -> { State<S,R1> a = value2.apply(in); return a.map(in2 -> { ...
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public T join() { try { long spin = 1; while (!done) { LockSupport.parkNanos(spin++); } if (completedExceptionally) throw new SimpleReactCompletionException( exception()); ...
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public static <T> FastFuture<T> fromCompletableFuture(final CompletableFuture<T> cf) { final FastFuture<T> f = new FastFuture<>(); cf.thenAccept(i -> f.set(i)); cf.exceptionally(t -> { f.completedExceptionally(t); return f.join(); }); return f; }
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static void closeOthers(final Queue active, final List<Queue> all) { all.stream() .filter(next -> next != active) .forEach(Queue::closeAndClear); }
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static void closeOthers(final SimpleReactStream active, final List<SimpleReactStream> all) { all.stream() .filter(next -> next != active) .filter(s -> s instanceof BaseSimpleReactStream) .forEach(SimpleReactStream::cancel); }
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