Example usage for com.google.common.collect Iterators singletonIterator

Introduction

In this page you can find the example usage for com.google.common.collect Iterators singletonIterator.

Prototype

public static <T> UnmodifiableIterator<T> singletonIterator(@Nullable final T value)

Source Link

Document

Returns an iterator containing only value .

Usage

From source file:com.stottlerhenke.versionspaces.ConfidentHypothesis.java

static public <Input, Output> UnmodifiableIterator<ConfidentHypothesis<Input, Output>> confidentHypothesisIter(
        final Hypothesis<Input, Output> hypothesis) {
    return Iterators.singletonIterator(confidentHypothesis(hypothesis, 1.0));
}

From source file:org.trancecode.lang.TcStrings.java

/**
 * Splits this string around matches of the given separator sequence.
 * //ww  w .j  a  v a 2 s .c o  m
 * @param separatorSequence
 *            the separator (not a regular expression).
 */
public static Iterable<String> split(final String string, final String separatorSequence) {
    Preconditions.checkNotNull(string);
    TcPreconditions.checkNotEmpty(separatorSequence);

    return () -> {
        if (string.isEmpty()) {
            return Iterators.singletonIterator(string);
        }

        final int index = string.indexOf(separatorSequence);
        if (index < 0) {
            return Iterators.singletonIterator(string);
        }

        final String after = string.substring(index + separatorSequence.length());
        return TcIterables.prepend(split(after, separatorSequence), string.substring(0, index)).iterator();
    };
}

From source file:org.graylog2.plugin.SingletonMessages.java

@Override
public Iterator<Message> iterator() {
    return Iterators.singletonIterator(message);
}

From source file:com.hubspot.jinjava.util.ObjectIterator.java

@SuppressWarnings("unchecked")
public static ForLoop getLoop(Object obj) {
    if (obj == null) {
        return new ForLoop(Iterators.emptyIterator(), 0);
    }/*w  ww. j a  va  2s  .co  m*/
    // collection
    if (obj instanceof Collection) {
        Collection<Object> clt = (Collection<Object>) obj;
        return new ForLoop(clt.iterator(), clt.size());
    }
    // array
    if (obj.getClass().isArray()) {
        Object[] arr = (Object[]) obj;
        return new ForLoop(Iterators.forArray(arr), arr.length);
    }
    // map
    if (obj instanceof Map) {
        Collection<Object> clt = ((Map<Object, Object>) obj).values();
        return new ForLoop(clt.iterator(), clt.size());
    }
    // iterable,iterator
    if (obj instanceof Iterable) {
        return new ForLoop(((Iterable<Object>) obj).iterator());
    }
    if (obj instanceof Iterator) {
        return new ForLoop((Iterator<Object>) obj);
    }
    // others
    return new ForLoop(Iterators.singletonIterator(obj), 1);
}

From source file:co.cask.cdap.data2.dataset2.tx.DatasetContext.java

@Override
public Iterator<T> iterator() {
    return Iterators.singletonIterator(dataset);
}

From source file:org.richfaces.component.ComponentIterators.java

public static Iterator<UIComponent> parentsAndSelf(final UIComponent component) {
    if (component == null) {
        return Iterators.<UIComponent>emptyIterator();
    }/* w  ww .j  a v a2 s  . co m*/

    return Iterators.concat(Iterators.singletonIterator(component), parents(component));
}

From source file:org.jclouds.googlecloud.internal.ListPages.java

static <T> Iterator<ListPage<T>> singletonOrEmptyIterator(ListPage<T> input) {
    return input.isEmpty() ? ImmutableList.<ListPage<T>>of().iterator() : Iterators.singletonIterator(input);
}

From source file:io.druid.segment.data.SingleIndexedInts.java

@Override
public Iterator<Integer> iterator() {
    return Iterators.singletonIterator(value);
}

From source file:org.trimou.engine.interpolation.DotKeySplitter.java

@Override
public Iterator<String> split(final String key) {
    if (key.equals(Strings.DOT)) {
        return Iterators.singletonIterator(Strings.DOT);
    }/*w  w w  .j a  v a 2  s .  c om*/
    if (key.equals(Strings.THIS)) {
        return Iterators.singletonIterator(Strings.THIS);
    }
    if (!key.contains(Strings.DOT)) {
        return Iterators.singletonIterator(key);
    }
    return splitter.split(key).iterator();
}

From source file:org.apache.gobblin.converter.SingleRecordIterable.java

@Override
public Iterator<T> iterator() {
    return Iterators.singletonIterator(this.value);
}