Example usage for com.google.common.collect Collections2 transform

Introduction

In this page you can find the example usage for com.google.common.collect Collections2 transform.

Prototype

public static <F, T> Collection<T> transform(Collection<F> fromCollection, Function<? super F, T> function)

Source Link

Document

Returns a collection that applies function to each element of fromCollection .

Usage

From source file:com.manning.siia.kitchen.Cook.java

private ArrayList<Product> productsFromMessages(List<Message<?>> group) {
    return new ArrayList<Product>(Collections2.transform(group, new Function<Message<?>, Product>() {
        public Product apply(Message<?> from) {
            return (Product) from.getPayload();
        }//from   w ww. j  a  v a  2 s .c  o m
    }));
}

From source file:org.caleydo.core.data.datadomain.GroupingDataDomainActionFactory.java

@Override
public Collection<Pair<String, Runnable>> create(IDataDomain dataDomain, Object sender) {
    Collection<Pair<String, ? extends AEvent>> r = new ArrayList<>(4);
    if (dataDomain instanceof ATableBasedDataDomain) {
        ATableBasedDataDomain d = (ATableBasedDataDomain) dataDomain;

        r.add(Pair.make("Load Grouping for " + d.getDimensionIDCategory().getCategoryName(),
                new LoadGroupingEvent(d, d.getDimensionIDCategory()).from(sender)));
        r.add(Pair.make("Load Grouping for " + d.getRecordIDCategory().getCategoryName(),
                new LoadGroupingEvent(d, d.getRecordIDCategory()).from(sender)));
        r.add(Pair.make(/*  w  w  w. j a  va 2s  .  c  o  m*/
                "Create Grouping for " + d.getDimensionIDCategory().getCategoryName() + " using Clustering",
                new CreateClusteringEvent(d, true).from(sender)));
        r.add(Pair.make(
                "Create Grouping for " + d.getRecordIDCategory().getCategoryName() + " using Clustering",
                new CreateClusteringEvent(d, false).from(sender)));
    }
    return Collections2.transform(r, Runnables.SEND_EVENTS);
}

From source file:com.censoredsoftware.infractions.bukkit.legacy.compat.LegacyDossier.java

public LegacyDossier(UUID mojangId, Set<Infraction> infractions) {
    this.mojangid = mojangId;
    this.infractions = Sets.newHashSet(Collections2.transform(infractions, new Function<Infraction, String>() {
        @Override/* w w w . ja va2 s .  c  o  m*/
        public String apply(Infraction infraction) {
            String id = MiscUtil.getInfractionId(infraction);
            DataManager.getManager().getMapFor(LegacyInfraction.class).put(MiscUtil.getInfractionId(infraction),
                    LegacyInfraction.of(infraction));
            return id;
        }
    }));
    this.ipAddresses = Sets.newHashSet();
}

From source file:org.opendaylight.yangtools.yang.data.api.schema.tree.NormalizedNodeDataTreeCandidateNode.java

@Nonnull
@Override//from www.java 2  s.c  o m
public Collection<DataTreeCandidateNode> getChildNodes() {
    if (data instanceof NormalizedNodeContainer) {
        return Collections2.transform(((NormalizedNodeContainer<?, ?, ?>) data).getValue(), FACTORY_FUNCTION);
    }
    return ImmutableList.of();
}

From source file:brooklyn.rest.resources.ActivityResource.java

@Override
public List<TaskSummary> children(String taskId) {
    Task<?> t = mgmt().getExecutionManager().getTask(taskId);
    if (t == null)
        throw WebResourceUtils.notFound("Cannot find task '%s'", taskId);
    if (!(t instanceof HasTaskChildren))
        return Collections.emptyList();
    return new LinkedList<TaskSummary>(Collections2
            .transform(Lists.newArrayList(((HasTaskChildren) t).getChildren()), TaskTransformer.FROM_TASK));
}

From source file:ninja.leaping.permissionsex.backend.file.FileOptionSubjectData.java

private static Set<Entry<String, String>> contextsFrom(ConfigurationNode node) {
    Set<Entry<String, String>> contexts = Collections.emptySet();
    ConfigurationNode contextsNode = node.getNode(KEY_CONTEXTS);
    if (contextsNode.hasMapChildren()) {
        contexts = ImmutableSet.copyOf(Collections2.transform(contextsNode.getChildrenMap().entrySet(),
                new Function<Map.Entry<Object, ? extends ConfigurationNode>, Entry<String, String>>() {
                    @Nullable/*from w w  w . j  a va 2  s. c o  m*/
                    @Override
                    public Entry<String, String> apply(Map.Entry<Object, ? extends ConfigurationNode> ent) {
                        return Maps.immutableEntry(ent.getKey().toString(),
                                String.valueOf(ent.getValue().getValue()));
                    }
                }));
    }
    return contexts;
}

From source file:com.sun.tools.hat.internal.server.RefsByTypeQuery.java

@Override
public void run() {
    ClassResolver resolver = new ClassResolver(snapshot, true);
    JavaClass clazz = resolver.apply(query);
    Collection<JavaClass> referrers = Collections2.transform(params.get("referrer"), resolver);
    ImmutableSetMultimap.Builder<JavaClass, JavaHeapObject> rfrBuilder = ImmutableSetMultimap.builder();
    final ImmutableSetMultimap.Builder<JavaClass, JavaHeapObject> rfeBuilder = ImmutableSetMultimap.builder();
    for (final JavaHeapObject instance : Misc.getInstances(clazz, false, referrers)) {
        if (instance.getId() == -1) {
            continue;
        }/*  www.j a va  2 s  .c om*/
        for (JavaHeapObject ref : instance.getReferers()) {
            JavaClass cl = ref.getClazz();
            if (cl == null) {
                System.out.println("null class for " + ref);
                continue;
            }
            rfrBuilder.put(cl, instance);
        }
        instance.visitReferencedObjects(obj -> rfeBuilder.put(obj.getClazz(), instance));
    } // for each instance

    startHtml("References by Type");
    out.println("<p align='center'>");
    printClass(clazz);
    if (clazz.getId() != -1) {
        println("[" + clazz.getIdString() + "]");
    }
    out.println("</p>");
    printBreadcrumbs(path, null, null, clazz, referrers, null);

    ImmutableMultiset<JavaClass> referrersStat = rfrBuilder.build().keys();
    if (!referrersStat.isEmpty()) {
        out.println("<h3 align='center'>Referrers by Type</h3>");
        print(referrersStat, clazz, referrers, true);
    }

    ImmutableMultiset<JavaClass> refereesStat = rfeBuilder.build().keys();
    if (!refereesStat.isEmpty()) {
        out.println("<h3 align='center'>Referees by Type</h3>");
        print(refereesStat, clazz, referrers, false);
    }

    endHtml();
}

From source file:com.textocat.textokit.ml.LemmaFeatureExtractor.java

@Override
public List<Feature> extract(JCas view, Annotation focusAnnotation) throws CleartkExtractorException {
    Word focusWord = PUtils.getWordAnno(view, focusAnnotation);
    if (focusWord == null || focusWord.getWordforms() == null) {
        return ImmutableList.of();
    }//  w  w  w  .j  a v a 2s  . c om
    Collection<Wordform> wfs = FSCollectionFactory.create(focusWord.getWordforms(), Wordform.class);
    Set<String> lemmas = Sets.newHashSet();
    for (Wordform wf : wfs) {
        if (wf.getLemma() != null) {
            lemmas.add(wf.getLemma());
        }
    }
    return Lists.newArrayList(Collections2.transform(lemmas, lemma2Feature));
}

From source file:com.qcadoo.model.api.utils.EntityUtils.java

public static Collection<Long> getIdsView(final Collection<Entity> entities) {
    return Collections2.transform(entities, getIdExtractor());
}

From source file:org.apache.kylin.job.streaming.Kafka10DataLoader.java

public void loadIntoKafka(List<String> messages) {

    KafkaClusterConfig clusterConfig = kafkaClusterConfigs.get(0);
    String brokerList = StringUtils.join(
            Collections2.transform(clusterConfig.getBrokerConfigs(), new Function<BrokerConfig, String>() {
                @Nullable/*from  w  w  w .  j  a va  2s.co  m*/
                @Override
                public String apply(BrokerConfig brokerConfig) {
                    return brokerConfig.getHost() + ":" + brokerConfig.getPort();
                }
            }), ",");

    KafkaProducer producer = getKafkaProducer(brokerList, null);

    for (int i = 0; i < messages.size(); i++) {
        ProducerRecord<String, String> keyedMessage = new ProducerRecord<String, String>(
                clusterConfig.getTopic(), String.valueOf(i), messages.get(i));
        producer.send(keyedMessage);
    }
    logger.info("sent " + messages.size() + " messages to " + this.toString());
    producer.close();
}