Example usage for com.google.common.collect Iterables concat

Introduction

In this page you can find the example usage for com.google.common.collect Iterables concat.

Prototype

public static <T> Iterable<T> concat(final Iterable<? extends Iterable<? extends T>> inputs)

Source Link

Document

Combines multiple iterables into a single iterable.

Usage

From source file:org.eclipse.xtext.resource.impl.AbstractCompoundSelectable.java

@Override
public Iterable<IEObjectDescription> getExportedObjects() {
    return Iterables.concat(
            Iterables.transform(getSelectables(), new Function<ISelectable, Iterable<IEObjectDescription>>() {
                @Override//from ww w.  ja v  a 2  s.  c  o m
                public Iterable<IEObjectDescription> apply(ISelectable from) {
                    if (from != null)
                        return from.getExportedObjects();
                    return Collections.emptyList();
                }
            }));
}

From source file:org.caleydo.view.domino.api.model.typed.util.ConcatedList.java

@Override
public Iterator<T> iterator() {
    return Iterables.concat(groups).iterator();
}

From source file:org.apache.aurora.scheduler.filter.ConstraintMatcher.java

/**
 * Gets the veto (if any) for a scheduling constraint based on the {@link AttributeAggregate} this
 * filter was created with.//from   w  w w .  j a va  2  s  .com
 *
 * @param constraint Scheduling filter to check.
 * @return A veto if the constraint is not satisfied based on the existing state of the job.
 */
static Optional<Veto> getVeto(AttributeAggregate cachedjobState, Iterable<IAttribute> hostAttributes,
        IConstraint constraint) {

    Iterable<IAttribute> sameNameAttributes = Iterables.filter(hostAttributes,
            new NameFilter(constraint.getName()));
    Optional<IAttribute> attribute;
    if (Iterables.isEmpty(sameNameAttributes)) {
        attribute = Optional.absent();
    } else {
        Set<String> attributeValues = ImmutableSet
                .copyOf(Iterables.concat(Iterables.transform(sameNameAttributes, GET_VALUES)));
        attribute = Optional.of(IAttribute.build(new Attribute(constraint.getName(), attributeValues)));
    }

    ITaskConstraint taskConstraint = constraint.getConstraint();
    switch (taskConstraint.getSetField()) {
    case VALUE:
        boolean matches = AttributeFilter.matches(attribute.transform(GET_VALUES).or(ImmutableSet.of()),
                taskConstraint.getValue());
        return matches ? Optional.absent() : Optional.of(Veto.constraintMismatch(constraint.getName()));

    case LIMIT:
        if (!attribute.isPresent()) {
            return Optional.of(Veto.constraintMismatch(constraint.getName()));
        }

        boolean satisfied = AttributeFilter.matches(attribute.get(), taskConstraint.getLimit().getLimit(),
                cachedjobState);
        return satisfied ? Optional.absent() : Optional.of(Veto.unsatisfiedLimit(constraint.getName()));

    default:
        throw new SchedulerException(
                "Failed to recognize the constraint type: " + taskConstraint.getSetField());
    }
}

From source file:com.madvay.tools.android.perf.common.TraceTransformableTable.java

public void splitTraces() {
    setRows(Lists.newArrayList(Iterables.concat(Iterables.transform(getRows(), new Function<T, Iterable<T>>() {
        @Override//from  w  ww . j a  va  2 s .  c  om
        public Iterable<T> apply(T input) {
            List<T> ret = new ArrayList<T>();
            for (StackTraceElement ste : input.getTransformableTrace()) {
                ret.add(newRowWithTrace(input, Lists.newArrayList(ste)));
            }
            return ret;
        }
    }))));
}

From source file:com.google.currysrc.api.input.CompoundDirectoryInputFileGenerator.java

@Override
public Iterable<? extends File> generate() {
    List<Iterable<? extends File>> iterables = new ArrayList<>(generators.size());
    for (InputFileGenerator generator : generators) {
        iterables.add(generator.generate());
    }//w  w w.  j  ava2s  .  co m
    return Iterables.concat(iterables);
}

From source file:org.calrissian.mango.collect.CloseableIterables.java

/**
 * Combines multiple iterables into a single closeable iterable.
 * The returned closeable iterable has an iterator that traverses the elements
 * of each iterable in {@code inputs}. The input iterators are not polled until
 * necessary.//from   www.jav a2s  . c om
 */
public static <T> CloseableIterable<T> concat(final CloseableIterable<? extends Iterable<? extends T>> inputs) {
    return wrap(Iterables.concat(inputs), inputs);
}

From source file:com.spotify.folsom.client.Utils.java

public static <T> Function<List<List<T>>, List<T>> flatten() {
    return new Function<List<List<T>>, List<T>>() {
        @Override//from  ww w .j a  v  a2  s.c  o m
        public List<T> apply(final List<List<T>> input) {
            return Lists.newArrayList(Iterables.concat(input));
        }
    };
}

From source file:com.google.devtools.build.skyframe.NodeEntrySubject.java

IterableSubject hasTemporaryDirectDepsThat() {
    return assertThat(Iterables.concat(getSubject().getTemporaryDirectDeps()))
            .named(detail("TemporaryDirectDeps"));
}

From source file:org.opendaylight.yangtools.yang.data.impl.schema.transform.base.serializer.ListNodeBaseSerializer.java

@Override
public final Iterable<E> serialize(final ListSchemaNode schema, final N node) {
    return Iterables.concat(Iterables.transform(node.getValue(), input -> {
        final Iterable<E> serializedChild = getListEntryNodeSerializer().serialize(schema, input);
        final int size = Iterables.size(serializedChild);

        Preconditions.checkState(size == 1,
                "Unexpected count of entries  for list serialized from: %s, should be 1, was: %s", input, size);
        return serializedChild;
    }));// ww w.j  a  v a2  s.  com
}

From source file:de.kussm.direction.Directions.java

public static Directions $(DirectionIterable... args) {
    return new Directions(Iterables.concat(args));
}