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:nl.rug.eco.lucene.EnglishLemmaTokenizer.java

public void start(Reader input) {

    List<List<HasWord>> tokenized = MaxentTagger.tokenizeText(input);
    tagged = Iterables.concat(tagger.process(tokenized)).iterator();

}

From source file:com.github.msoliter.iroh.container.resolvers.SubclassResolver.java

@Override
public Source resolve(final Field field) {

    /**/*from   w w  w .ja v  a 2 s. c o  m*/
     * Find all potential sources by filter on whether or not a source's
     * type can be assigned to the field's type.
     */
    Iterable<Source> potential = Iterables
            .concat(Collections2.transform(Collections2.filter(sources.keySet(), new Predicate<Class<?>>() {

                @Override
                public boolean apply(Class<?> type) {
                    return field.getType().isAssignableFrom(type);
                }
            }), new Function<Class<?>, Collection<Source>>() {

                @Override
                public Collection<Source> apply(Class<?> type) {
                    return sources.get(type);
                }
            }));

    /**
     * If there isn't exactly one source in the set, check if there's 
     * exactly one overriding source available, in case we're unit testing.
     */
    if (Iterables.size(potential) != 1) {
        Iterable<Source> overriding = Iterables.filter(potential, new Predicate<Source>() {

            @Override
            public boolean apply(Source source) {
                return source.isOverriding();
            }
        });

        if (Iterables.size(overriding) != 1) {
            throw new UnexpectedImplementationCountException(field.getType(),
                    Iterables.transform(potential, new Function<Source, Class<?>>() {

                        @Override
                        public Class<?> apply(Source source) {
                            return source.getType();
                        }
                    }));

        } else {
            return overriding.iterator().next();
        }

    } else {
        return potential.iterator().next();
    }
}

From source file:eu.numberfour.n4js.scoping.utils.CompositeScope.java

@Override
public Iterable<IEObjectDescription> getAllElements() {
    return Iterables.concat(Arrays.stream(childScopes).map(currScope -> currScope.getAllElements())
            .collect(Collectors.toList()));
}

From source file:org.eclipse.qvtd.compiler.internal.scheduler.MergedNode.java

@Override
public @NonNull Iterable<TypedElement> getTypedElements() {
    Iterable<Iterable<TypedElement>> transform = Iterables.transform(simpleNodes,
            NodeToTypedElementsFunction.INSTANCE);
    @SuppressWarnings("null")
    @NonNull//from   w  ww.  j  a va 2 s  .  co  m
    Iterable<TypedElement> concat = Iterables.concat(transform);
    return concat;
}

From source file:org.trancecode.collection.TcIterables.java

public static <T> Iterable<T> getDescendants(final Iterable<T> parentElements,
        final Function<T, Iterable<T>> getChildFunction) {
    if (Iterables.isEmpty(parentElements)) {
        return parentElements;
    }/*from ww  w  .j  a  va 2 s .  c  o  m*/

    final Iterable<T> children = Iterables.concat(Iterables.transform(parentElements, getChildFunction));

    return Iterables.concat(parentElements, getDescendants(children, getChildFunction));
}

From source file:com.google.cloud.dataflow.sdk.runners.worker.SideInputUtils.java

private static Iterable<Object> readSideInputSources(PipelineOptions options, List<Source> sideInputSources,
        Observer observer, ExecutionContext executionContext) throws Exception {
    int numSideInputSources = sideInputSources.size();
    if (numSideInputSources == 0) {
        throw new Exception("expecting at least one side input Source");
    } else if (numSideInputSources == 1) {
        return readSideInputSource(options, sideInputSources.get(0), observer, executionContext);
    } else {/*  w w w .  j  a v  a 2 s  .c  om*/
        List<Iterable<Object>> shards = new ArrayList<>();
        for (Source sideInputSource : sideInputSources) {
            shards.add(readSideInputSource(options, sideInputSource, observer, executionContext));
        }
        return Iterables.concat(shards);
    }
}

From source file:org.apache.lens.server.query.collect.UnioningWaitingQueriesSelector.java

/**
 * Selects queries eligible by all {@link WaitingQueriesSelectionPolicy} to move them out of waiting state.
 *
 * @see WaitingQueriesSelector#selectQueries(FinishedLensQuery, EstimatedImmutableQueryCollection)
 *
 * @param finishedQuery/*from w w  w  .  j a v a2  s . c o m*/
 * @param waitingQueries
 * @return
 */
@Override
public Set<QueryContext> selectQueries(final FinishedLensQuery finishedQuery,
        final EstimatedImmutableQueryCollection waitingQueries) {

    Set<WaitingQueriesSelectionPolicy> allSelectionPolicies = prepareAllSelectionPolicies(finishedQuery);

    List<Set<QueryContext>> candiateQueriesSets = getAllCandidateQueriesSets(finishedQuery, waitingQueries,
            allSelectionPolicies);

    return Sets.newHashSet(Iterables.concat(candiateQueriesSets));
}

From source file:org.apache.people.mreutegg.mhmp.RenderCommandExecutor.java

@Override
public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
    if (!(sender instanceof Player)) {
        return false;
    }//from   www. ja  v  a  2 s.  co  m
    Player player = (Player) sender;
    if (command.getName().equalsIgnoreCase("render")) {
        if (args.length < 1) {
            sender.sendMessage("You need to specify a .xyz file.");
            return false;
        }
        Iterable<Coordinate> coordinates;
        try {
            List<File> files = Lists.newArrayList(new File(".").listFiles(new PatternFilenameFilter(args[0])));
            Iterable<Iterable<Coordinate>> allCoords = transform(files, file -> {
                try {
                    if (file.getName().endsWith(".asc")) {
                        return ASCReader.fromFile(file);
                    } else {
                        return CoordinateReader.fromFile(file);
                    }
                } catch (IOException e) {
                    throw new UncheckedIOException(e);
                }
            });
            coordinates = Iterables.concat(allCoords);
        } catch (UncheckedIOException e) {
            plugin.getLogger().warning("File not found " + args[0]);
            return false;
        }
        Vector scale = scaleFromArgs(args);
        new RenderTask(plugin, player, coordinates, scale).runTaskAsynchronously(plugin);
        return true;
    }
    return false;
}

From source file:org.jon.ivmark.graphit.tinkerpop.blueprints.BlueprintsNode.java

@Override
public Iterable<Vertex> getVertices(Direction direction, String... labels) {
    if (labels.length == 1) {
        return edgesRepo.getNeighbors(nodeId, direction, labels[0]);
    }//  www .j  a v  a  2  s.  c o m

    List<Iterable<Vertex>> iterables = new ArrayList<Iterable<Vertex>>();
    for (String label : getLabels(labels)) {
        Iterable<Vertex> neighbors = edgesRepo.getNeighbors(nodeId, direction, label);
        iterables.add(neighbors);
    }
    return Iterables.concat(iterables);
}

From source file:org.adsync4j.testutils.ldap.EmbeddedLdapServerFactoryBean.java

private Iterable<InputStream> resourceArrayListToInputStreamList(List<Resource[]> ldifs) {
    return Iterables.concat(Lists.transform(ldifs, new Function<Resource[], List<InputStream>>() {
        @Override/*from w  w w .j  a  v a  2s.  c  o m*/
        public List<InputStream> apply(Resource[] resources) {
            return resourceArrayToInputStreamList(resources);
        }
    }));
}