Examples with Spliterator java.util.Spliterator used on opensource projects

Example 91 with Spliterator

use of java.util.Spliterator in project openj9 by eclipse-openj9.

the class StringStreams method testStringCharsSpliteratorEmpty.

@Test
public void testStringCharsSpliteratorEmpty() {
    Spliterator.OfInt s = EMPTY.chars().spliterator();
    final ArrayList<Integer> actualIntegers = new ArrayList<>();
    s.forEachRemaining((IntConsumer) i -> actualIntegers.add(Integer.valueOf(i)));
    checkDigitsOrdered(EMPTY, actualIntegers);
}

Example 92 with Spliterator

use of java.util.Spliterator in project force-oneself by Force-oneself.

the class LongPipeline method forEachWithCancel.

@Override
final void forEachWithCancel(Spliterator<Long> spliterator, Sink<Long> sink) {
    Spliterator.OfLong spl = adapt(spliterator);
    LongConsumer adaptedSink = adapt(sink);
    do {
    } while (!sink.cancellationRequested() && spl.tryAdvance(adaptedSink));
}

Example 93 with Spliterator

use of java.util.Spliterator in project so by onap.

the class JsonUtilForPnfCorrelationId method parseJsonToGelAllPnfCorrelationId.

static List<String> parseJsonToGelAllPnfCorrelationId(String json) {
    if (json == null || json.isEmpty()) {
        return Collections.emptyList();
    }
    JsonElement je = new JsonParser().parse(json);
    JsonArray array = je.getAsJsonArray();
    List<String> list = new ArrayList<>();
    Spliterator<JsonElement> spliterator = array.spliterator();
    spliterator.forEachRemaining(jsonElement -> handleEscapedCharacters(jsonElement).ifPresent(jsonObject -> getPnfCorrelationId(jsonObject).ifPresent(pnfCorrelationId -> list.add(pnfCorrelationId))));
    return list;
}

Example 94 with Spliterator

use of java.util.Spliterator in project jenkins by jenkinsci.

the class AbstractLazyLoadRunMap method keySet.

@Override
public Set<Integer> keySet() {
    Set<Integer> ks = keySet;
    if (ks == null) {
        ks = new AbstractSet<Integer>() {

            @Override
            public Iterator<Integer> iterator() {
                return new Iterator() {

                    private final Iterator<Entry<Integer, R>> it = entrySet().iterator();

                    @Override
                    public boolean hasNext() {
                        return it.hasNext();
                    }

                    @Override
                    public Integer next() {
                        return it.next().getKey();
                    }

                    @Override
                    public void remove() {
                        it.remove();
                    }
                };
            }

            @Override
            public Spliterator<Integer> spliterator() {
                return new Spliterators.AbstractIntSpliterator(Long.MAX_VALUE, Spliterator.DISTINCT | Spliterator.ORDERED | Spliterator.SORTED) {

                    private final Iterator<Integer> it = iterator();

                    @Override
                    public boolean tryAdvance(IntConsumer action) {
                        if (action == null) {
                            throw new NullPointerException();
                        }
                        if (it.hasNext()) {
                            action.accept(it.next());
                            return true;
                        }
                        return false;
                    }

                    @Override
                    public Comparator<Integer> getComparator() {
                        return Collections.reverseOrder();
                    }
                };
            }

            @Override
            public int size() {
                return AbstractLazyLoadRunMap.this.size();
            }

            @Override
            public boolean isEmpty() {
                return AbstractLazyLoadRunMap.this.isEmpty();
            }

            @Override
            public void clear() {
                AbstractLazyLoadRunMap.this.clear();
            }

            @Override
            public boolean contains(Object k) {
                return AbstractLazyLoadRunMap.this.containsKey(k);
            }
        };
        keySet = ks;
    }
    return ks;
}

Example 95 with Spliterator

use of java.util.Spliterator in project guava by google.

the class CollectSpliterators method filter.

/**
 * Returns a {@code Spliterator} filtered by the specified predicate.
 */
static <T extends @Nullable Object> Spliterator<T> filter(Spliterator<T> fromSpliterator, Predicate<? super T> predicate) {
    checkNotNull(fromSpliterator);
    checkNotNull(predicate);
    class Splitr implements Spliterator<T>, Consumer<T> {

        @CheckForNull
        T holder = null;

        @Override
        public void accept(@ParametricNullness T t) {
            this.holder = t;
        }

        @Override
        public boolean tryAdvance(Consumer<? super T> action) {
            while (fromSpliterator.tryAdvance(this)) {
                try {
                    // The cast is safe because tryAdvance puts a T into `holder`.
                    T next = uncheckedCastNullableTToT(holder);
                    if (predicate.test(next)) {
                        action.accept(next);
                        return true;
                    }
                } finally {
                    holder = null;
                }
            }
            return false;
        }

        @Override
        @CheckForNull
        public Spliterator<T> trySplit() {
            Spliterator<T> fromSplit = fromSpliterator.trySplit();
            return (fromSplit == null) ? null : filter(fromSplit, predicate);
        }

        @Override
        public long estimateSize() {
            return fromSpliterator.estimateSize() / 2;
        }

        @Override
        @CheckForNull
        public Comparator<? super T> getComparator() {
            return fromSpliterator.getComparator();
        }

        @Override
        public int characteristics() {
            return fromSpliterator.characteristics() & (Spliterator.DISTINCT | Spliterator.NONNULL | Spliterator.ORDERED | Spliterator.SORTED);
        }
    }
    return new Splitr();
}