downstream.accumulator(), downstream.combiner(), Functions.andThen(downstream.finisher(), (finisher)),
downstream.accumulator(), downstream.combiner(), Functions.andThen(downstream.finisher(), finisher),
makeRef(Collector<? super T, I, ?> collector) { Supplier<I> supplier = Objects.requireNonNull(collector).supplier(); BiConsumer<I, ? super T> accumulator = collector.accumulator(); BinaryOperator<I> combiner = collector.combiner(); class ReducingSink extends Box<I>
makeRef(Collector<? super T, I, ?> collector) { Supplier<I> supplier = Objects.requireNonNull(collector).supplier(); BiConsumer<I, ? super T> accumulator = collector.accumulator(); BinaryOperator<I> combiner = collector.combiner(); class ReducingSink extends Box<I>
@Override @SuppressWarnings("unchecked") public final <R, A> R collect(Collector<? super P_OUT, A, R> collector) { A container; if (isParallel() && (collector.characteristics().contains(Collector.Characteristics.CONCURRENT)) && (!isOrdered() || collector.characteristics().contains(Collector.Characteristics.UNORDERED))) { container = collector.supplier().get(); BiConsumer<A, ? super P_OUT> accumulator = collector.accumulator(); forEach(u -> accumulator.accept(container, u)); } else { container = evaluate(ReduceOps.makeRef(collector)); } return collector.characteristics().contains(Collector.Characteristics.IDENTITY_FINISH) ? (R) container : collector.finisher().apply(container); }
@Override @SuppressWarnings("unchecked") public final <R, A> R collect(Collector<? super P_OUT, A, R> collector) { A container; if (isParallel() && (collector.characteristics().contains(Collector.Characteristics.CONCURRENT)) && (!isOrdered() || collector.characteristics().contains(Collector.Characteristics.UNORDERED))) { container = collector.supplier().get(); BiConsumer<A, ? super P_OUT> accumulator = collector.accumulator(); forEach(u -> accumulator.accept(container, u)); } else { container = evaluate(ReduceOps.makeRef(collector)); } return collector.characteristics().contains(Collector.Characteristics.IDENTITY_FINISH) ? (R) container : collector.finisher().apply(container); }
Supplier<A2> c2Supplier = Objects.requireNonNull(downstream2.supplier(), "downstream2 supplier"); BiConsumer<A1, ? super T> c1Accumulator = Objects.requireNonNull(downstream1.accumulator(), "downstream1 accumulator"); BiConsumer<A2, ? super T> c2Accumulator = Objects.requireNonNull(downstream2.accumulator(), "downstream2 accumulator"); BinaryOperator<A1> c1Combiner = Objects.requireNonNull(downstream1.combiner(), "downstream1 combiner"); BinaryOperator<A2> c2Combiner = Objects.requireNonNull(downstream2.combiner(), "downstream2 combiner");
Collector<T, ?, R> mapping(Function<? super T, ? extends U> mapper, Collector<? super U, A, R> downstream) { BiConsumer<A, ? super U> downstreamAccumulator = downstream.accumulator(); return new CollectorImpl<>(downstream.supplier(), (r, t) -> downstreamAccumulator.accept(r, mapper.apply(t)),
Collector<T, ?, R> mapping(Function<? super T, ? extends U> mapper, Collector<? super U, A, R> downstream) { BiConsumer<A, ? super U> downstreamAccumulator = downstream.accumulator(); return new CollectorImpl<>(downstream.supplier(), (r, t) -> downstreamAccumulator.accept(r, mapper.apply(t)),
Collector<T, ?, R> filtering(Predicate<? super T> predicate, Collector<? super T, A, R> downstream) { BiConsumer<A, ? super T> downstreamAccumulator = downstream.accumulator(); return new CollectorImpl<>(downstream.supplier(), (r, t) -> {
Collector<T, ?, R> filtering(Predicate<? super T> predicate, Collector<? super T, A, R> downstream) { BiConsumer<A, ? super T> downstreamAccumulator = downstream.accumulator(); return new CollectorImpl<>(downstream.supplier(), (r, t) -> {
Collector<T, ?, R> flatMapping(Function<? super T, ? extends Stream<? extends U>> mapper, Collector<? super U, A, R> downstream) { BiConsumer<A, ? super U> downstreamAccumulator = downstream.accumulator(); return new CollectorImpl<>(downstream.supplier(), (r, t) -> {
Collector<T, ?, R> flatMapping(Function<? super T, ? extends Stream<? extends U>> mapper, Collector<? super U, A, R> downstream) { BiConsumer<A, ? super U> downstreamAccumulator = downstream.accumulator(); return new CollectorImpl<>(downstream.supplier(), (r, t) -> {
Collector<? super T, A, D> downstream) { Supplier<A> downstreamSupplier = downstream.supplier(); BiConsumer<A, ? super T> downstreamAccumulator = downstream.accumulator(); BiConsumer<Map<K, A>, T> accumulator = (m, t) -> { K key = Objects.requireNonNull(classifier.apply(t), "element cannot be mapped to a null key");
Collector<? super T, A, D> downstream) { Supplier<A> downstreamSupplier = downstream.supplier(); BiConsumer<A, ? super T> downstreamAccumulator = downstream.accumulator(); BiConsumer<Map<K, A>, T> accumulator = (m, t) -> { K key = Objects.requireNonNull(classifier.apply(t), "element cannot be mapped to a null key");
Collector<? super T, A, D> downstream) { Supplier<A> downstreamSupplier = downstream.supplier(); BiConsumer<A, ? super T> downstreamAccumulator = downstream.accumulator(); BinaryOperator<ConcurrentMap<K, A>> merger = Collectors.<K, A, ConcurrentMap<K, A>>mapMergerConcurrent(downstream.combiner()); @SuppressWarnings("unchecked")
Collector<? super T, A, D> downstream) { Supplier<A> downstreamSupplier = downstream.supplier(); BiConsumer<A, ? super T> downstreamAccumulator = downstream.accumulator(); BinaryOperator<ConcurrentMap<K, A>> merger = Collectors.<K, A, ConcurrentMap<K, A>>mapMergerConcurrent(downstream.combiner()); @SuppressWarnings("unchecked")
Collector<T, ?, Map<Boolean, D>> partitioningBy(Predicate<? super T> predicate, Collector<? super T, A, D> downstream) { BiConsumer<A, ? super T> downstreamAccumulator = downstream.accumulator(); BiConsumer<Partition<A>, T> accumulator = (result, t) -> downstreamAccumulator.accept(predicate.test(t) ? result.forTrue : result.forFalse, t);
Collector<T, ?, Map<Boolean, D>> partitioningBy(Predicate<? super T> predicate, Collector<? super T, A, D> downstream) { BiConsumer<A, ? super T> downstreamAccumulator = downstream.accumulator(); BiConsumer<Partition<A>, T> accumulator = (result, t) -> downstreamAccumulator.accept(predicate.test(t) ? result.forTrue : result.forFalse, t);