Example usage for org.apache.commons.collections4 IteratorUtils chainedIterator

Introduction

In this page you can find the example usage for org.apache.commons.collections4 IteratorUtils chainedIterator.

Prototype

public static <E> Iterator<E> chainedIterator(final Collection<Iterator<? extends E>> iterators) 

Source Link

Document

Gets an iterator that iterates through a collections of Iterator s one after another.

Usage

From source file:com.tussle.hitbox.HitboxComponent.java

public Collection<Hitbox> getHitboxes() {
    if (hitboxValues == null) {
        hitboxValues = new AbstractCollection<Hitbox>() {
            public Iterator<Hitbox> iterator() {
                return IteratorUtils
                        .chainedIterator(CollectionUtils.collect(hitboxes.values(), HashSet::iterator));
            }//from   w  w  w  .  j av a  2s  .  c  o m

            public int size() {
                //WHEE JAVA FUNCTIONAL STREAMS
                return hitboxes.values().stream().mapToInt(HashSet::size).sum();
            }
        };
    }
    return hitboxValues;
}

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From source file:com.tussle.hitbox.HurtboxComponent.java

public Collection<Hurtbox> getHurtboxes() {
    if (hurtboxValues == null) {
        hurtboxValues = new AbstractCollection<Hurtbox>() {
            public Iterator<Hurtbox> iterator() {
                return IteratorUtils
                        .chainedIterator(CollectionUtils.collect(hurtboxes.values(), HashSet::iterator));
            }//from w  w w .j  av  a 2  s .c o m

            public int size() {
                //WHEE JAVA FUNCTIONAL STREAMS
                return hurtboxes.values().stream().mapToInt(HashSet::size).sum();
            }
        };
    }
    return hurtboxValues;
}

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From source file:com.tussle.collision.StageElementComponent.java

public Collection<StageElement> getStageElements() {
    if (hitboxValues == null) {
        hitboxValues = new AbstractCollection<StageElement>() {
            public Iterator<StageElement> iterator() {
                return IteratorUtils
                        .chainedIterator(CollectionUtils.collect(surfaces.values(), HashSet::iterator));
            }//  w  w  w .j  a  v a2  s . c o  m

            public int size() {
                //WHEE JAVA FUNCTIONAL STREAMS
                return surfaces.values().stream().mapToInt(HashSet::size).sum();
            }
        };
    }
    return hitboxValues;
}

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From source file:com.tussle.collision.ECBComponent.java

public Collection<StageElement<CollisionStadium>> getCollisionBoxes() {
    if (hitboxValues == null) {
        hitboxValues = new AbstractCollection<StageElement<CollisionStadium>>() {
            public Iterator<StageElement<CollisionStadium>> iterator() {
                return IteratorUtils.chainedIterator(CollectionUtils.collect(ecbs.values(), HashSet::iterator));
            }//  www .  j a  v  a2 s .c  om

            public int size() {
                //WHEE JAVA FUNCTIONAL STREAMS
                return ecbs.values().stream().mapToInt(HashSet::size).sum();
            }
        };
    }
    return hitboxValues;
}

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From source file:com.link_intersystems.lang.reflect.criteria.JavaElementTraverseStrategies.java

public Iterator<?> getIterator(Class<?> currentClass, ElementCriteria elementCriteria) {
    List<Iterator<?>> iterators = new ArrayList<Iterator<?>>();
    for (int i = 0; i < javaElementTraverseStrategies.length; i++) {
        JavaElementTraverseStrategy javaElementTraverseStrategy = javaElementTraverseStrategies[i];
        Iterator<?> iterator = javaElementTraverseStrategy.getIterator(currentClass, elementCriteria);
        iterators.add(iterator);/*w w  w  . j a  v a 2  s.  co m*/
    }
    return IteratorUtils.chainedIterator(iterators);
}

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From source file:com.yahoo.bard.webservice.util.SimplifiedIntervalList.java

/**
 * Create an Iterator using IntervalPeriodInterators to all intervals of this list broken up into pieces of size
 * period./*ww  w. ja  v  a  2  s  .c om*/
 *
 * @param readablePeriod  The period to chunk subintervals into.
 *
 * @return An iterator which returns period sized subintervals of this interval list.
 */
public Iterator<Interval> periodIterator(ReadablePeriod readablePeriod) {
    List<Iterator<? extends Interval>> periodIterators = this.stream()
            .map(e -> new IntervalPeriodIterator(readablePeriod, e)).collect(Collectors.toList());
    return IteratorUtils.chainedIterator(periodIterators);
}

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