Example usage for java.util Spliterators spliteratorUnknownSize

Introduction

In this page you can find the example usage for java.util Spliterators spliteratorUnknownSize.

Prototype

public static Spliterator.OfDouble spliteratorUnknownSize(PrimitiveIterator.OfDouble iterator,
        int characteristics)

Source Link

Document

Creates a Spliterator.OfDouble using a given DoubleStream.DoubleIterator as the source of elements, with no initial size estimate.

Usage

From source file:Main.java

/**
 * Creates a parallel {@code Stream} using a given {@code Iterator}
 * as the source of elements, with no initial size estimate.
 *
 * @return a parallel {@code Stream} over the remaining items in the iterator
 * @see Spliterators#spliteratorUnknownSize(Iterator, int)
 */// w w  w . j a  v  a  2  s  .c  o  m
public static <T> Stream<T> parallelStream(Iterator<T> iterator) {
    return StreamSupport.stream(Spliterators.spliteratorUnknownSize(iterator, 0), true);
}

From source file:Main.java

/**
 * Creates a sequential {@code Stream} using a given {@code Iterator}
 * as the source of elements, with no initial size estimate.
 *
 * @return a sequential {@code Stream} over the remaining items in the iterator
 * @see Spliterators#spliteratorUnknownSize(Iterator, int)
 *//*  w w w  .  j a  va 2  s.c  o  m*/
public static <T> Stream<T> stream(Iterator<T> iterator) {
    return StreamSupport.stream(Spliterators.spliteratorUnknownSize(iterator, 0), false);
}

From source file:org.codice.alliance.libs.mpegts.TSStream.java

/**
 * Create a stream of PESPackets from a byte source.
 *
 * @param byteSource must be non-null//  w  w  w . j a  va 2  s .c  o m
 * @return stream of PESPackets
 * @throws IOException
 */
public static Stream<PESPacket> from(ByteSource byteSource) throws IOException {
    notNull(byteSource, "byteSource must be non-null");
    return StreamSupport.stream(Spliterators.spliteratorUnknownSize(new PESPacketIterator(byteSource),
            Spliterator.ORDERED | Spliterator.NONNULL), false);
}

From source file:Main.java

/**
 * Converts an {@link java.util.Iterator} to {@link java.util.stream.Stream}.
 *///  w ww .  java 2s.  c  o  m
public static <T> Stream<T> iterate(Iterator<? extends T> iterator) {
    int characteristics = Spliterator.ORDERED | Spliterator.IMMUTABLE;
    return StreamSupport.stream(Spliterators.spliteratorUnknownSize(iterator, characteristics), false);
}

From source file:com.wrmsr.kleist.util.Itertools.java

public static <L, R> Spliterator<Pair<L, R>> zip(Spliterator<L> left, Spliterator<R> right) {
    return Spliterators.spliteratorUnknownSize(zip(Spliterators.iterator(left), Spliterators.iterator(right)),
            0);// w w  w . j a  va  2 s. com
}

From source file:com.simiacryptus.util.test.EnglishWords.java

/**
 * Load stream.//from   w w w . j  ava 2  s . c  o  m
 *
 * @return the stream
 */
public static Stream<EnglishWords> load() {
    if (thread == null) {
        synchronized (WikiArticle.class) {
            if (thread == null) {
                thread = new Thread(EnglishWords::read);
                thread.setDaemon(true);
                thread.start();
            }
        }
    }
    Iterator<EnglishWords> iterator = new AsyncListIterator<>(queue, thread);
    return StreamSupport.stream(Spliterators.spliteratorUnknownSize(iterator, Spliterator.DISTINCT), false)
            .filter(x -> x != null);
}

From source file:com.simiacryptus.util.test.Shakespeare.java

/**
 * Load stream.// ww w .j av a 2  s .  c o  m
 *
 * @return the stream
 */
public static Stream<Shakespeare> load() {
    if (thread == null) {
        synchronized (WikiArticle.class) {
            if (thread == null) {
                thread = new Thread(Shakespeare::read);
                thread.setDaemon(true);
                thread.start();
            }
        }
    }
    Iterator<Shakespeare> iterator = new AsyncListIterator<>(queue, thread);
    return StreamSupport.stream(Spliterators.spliteratorUnknownSize(iterator, Spliterator.DISTINCT), false)
            .filter(x -> x != null);
}

From source file:objective.taskboard.utils.ZipUtils.java

public static Stream<ZipStreamEntry> stream(InputStream inputStream) {
    ZipEntryIterator it = new ZipEntryIterator(new ZipInputStream(inputStream));
    return StreamSupport
            .stream(Spliterators.spliteratorUnknownSize(it, Spliterator.ORDERED | Spliterator.NONNULL), false);
}

From source file:de.kaiserpfalzEdv.commons.jee.paging.SortDO.java

@Override
public Spliterator<Sort.Order> spliterator() {
    return Spliterators.spliteratorUnknownSize(iterator(), 0);
}

From source file:org.codice.ddf.catalog.ui.metacard.impl.ZipSplitter.java

@Override
public Stream<StorableResource> split(StorableResource storableResource,
        Map<String, ? extends Serializable> arguments) throws IOException {
    ZipIterator zipIterator = new ZipIterator(storableResource.getInputStream());
    return StreamSupport.stream(Spliterators.spliteratorUnknownSize(zipIterator, Spliterator.NONNULL), false)
            .onClose(zipIterator::close);
}