Example usage for java.util.stream Collectors toSet

Introduction

In this page you can find the example usage for java.util.stream Collectors toSet.

Prototype

public static <T> Collector<T, ?, Set<T>> toSet()

Source Link

Document

Returns a Collector that accumulates the input elements into a new Set .

Usage

From source file:com.redhat.red.build.koji.model.json.KojiImportTest.java

@Test
public void jsonRoundTrip() throws VerificationException, IOException {
    KojiImport info = new KojiImport(KojiJsonConstants.DEFAULT_METADATA_VERSION, newBuildDescription(),
            Collections.singleton(newBuildRoot()),
            Arrays.asList(newBuildOutput(1001, "foo-1.jar"), newLogOutput(1001, "build.log")).stream()
                    .collect(Collectors.toSet()));

    String json = mapper.writeValueAsString(info);
    System.out.println(json);/*w  ww. j ava  2s .c o  m*/

    KojiImport out = mapper.readValue(json, KojiImport.class);

    assertThat(out.getBuild(), equalTo(info.getBuild()));
}

From source file:io.stallion.tests.unit.DocsExamples.java

public void example() throws Exception {

    HttpResponse<String> httpResponse = Unirest.get("http://httpbin.org/html").asString();
    assert httpResponse.getStatus() == 200;
    assert httpResponse.getBody().contains("Moby Dick");

    // To JSON Object
    HttpResponse<String> bookResponse = Unirest.get("http://httpbin.org/books/1").asString();
    Book book = JSON.parse(bookResponse.getBody(), Book.class);

    // POST JSON/*  www  . ja  v a 2  s . c  om*/
    HttpResponse<JsonNode> jsonResponse = Unirest.post("http://httpbin.org/post").queryString("name", "Mark")
            .field("last", "Polo").asJson();
    assert "Polo".equals(jsonResponse.getBody().getObject().get("last"));

    List<Book> books = list();
    Set<Long> authorIds = books.stream().map(b -> b.getAuthorId()).collect(Collectors.toSet());

}

From source file:cz.fi.muni.pa165.comparator.SortByPoints.java

private Set<Game> getGamesDraw(Team t) {
    Set<Game> gamesD = new HashSet<>();

    gamesD.addAll(games.stream().filter(g -> g.getMatchResult().equals(MatchResult.DRAW))
            .filter(g -> g.getGuestTeam().equals(t) || g.getHomeTeam().equals(t)).collect(Collectors.toSet()));

    return gamesD;
}

From source file:com.bodybuilding.argos.discovery.ConfigurationClusterDiscovery.java

public Collection<Cluster> getCurrentClusters() {

    LOG.debug("Configured with {}", servers);
    return servers.stream().map(this::parseCluster).filter(Objects::nonNull).collect(Collectors.toSet());
}

From source file:ijfx.ui.utils.ChartUpdater.java

public void updateChart() {

    final double min; // minimum value
    final double max; // maximum value
    double range; // max - min
    final double binSize;
    // int maximumBinNumber = 30;
    int finalBinNumber;

    int differentValuesCount = possibleValues.stream().filter(n -> Double.isFinite(n.doubleValue()))
            .collect(Collectors.toSet()).size();
    if (differentValuesCount < maximumBinNumber) {
        finalBinNumber = differentValuesCount;
    } else {//  w w  w.j  a  v  a 2s  .c  om
        finalBinNumber = maximumBinNumber;
    }

    EmpiricalDistribution distribution = new EmpiricalDistribution(finalBinNumber);

    Double[] values = possibleValues.parallelStream().filter(n -> Double.isFinite(n.doubleValue()))
            .map(v -> v.doubleValue()).sorted()
            //.toArray();
            .toArray(size -> new Double[size]);
    distribution.load(ArrayUtils.toPrimitive(values));

    min = values[0];
    max = values[values.length - 1];
    range = max - min;
    binSize = range / (finalBinNumber - 1);

    //System.out.println(String.format("min = %.0f, max = %.0f, range = %.0f, bin size = %.0f, bin number = %d", min, max, range, binSize, finalBinNumber));

    XYChart.Series<Double, Double> serie = new XYChart.Series<>();
    ArrayList<XYChart.Data<Double, Double>> data = new ArrayList<>();
    double k = min;
    for (SummaryStatistics st : distribution.getBinStats()) {
        data.add(new XYChart.Data<>(k, new Double(st.getN())));
        k += binSize;
    }

    Platform.runLater(() -> {
        serie.getData().addAll(data);
        areaChart.getData().clear();
        areaChart.getData().add(serie);
    });

}

From source file:enmasse.broker.prestop.TopicMigrator.java

public void migrate(String address) throws Exception {
    // Step 0: Cutoff router link
    localBroker.destroyConnectorService("amqp-connector");

    // Step 1: Retrieve subscriptions
    Set<String> queues = listQueuesForAddress(localBroker, address).stream()
            .filter(q -> SubscriptionMigrator.isValidSubscription(q)).collect(Collectors.toSet());
    System.out.println("Listed queues: " + queues);

    // Step 2: Create and pause queues on other brokers
    Map<String, Host> queueMap = createQueues(address, queues);

    // Step 3: Migrate messages from local subscriptions to destinations
    System.out.println("Migrating messages for " + queueMap.keySet());
    migrateMessages(address, queueMap);// ww w. j a  va 2s. co m

    // Step 4: Destroy local queues
    System.out.println("Destroying local queues");
    localBroker.destroyQueues(queues);

    // Step 5: Activate queues
    activateQueues(queueMap);

    // Step 7: Shutdown
    vertx.close();
    localBroker.shutdownBroker();
}

From source file:ddf.catalog.history.DynamicMultiMetacardType.java

@Override
public Set<AttributeDescriptor> getAttributeDescriptors() {
    return streamAttributeDescriptors().collect(Collectors.toSet());
}

From source file:io.gravitee.repository.redis.management.RedisApiRepository.java

@Override
public Set<Api> findByVisibility(Visibility visibility) throws TechnicalException {
    return apiRedisRepository.findByVisibility(visibility.name()).stream().map(this::convert)
            .collect(Collectors.toSet());
}

From source file:com.example.oauth.OperatingUser.java

@Override
public Collection<? extends GrantedAuthority> getAuthorities() {
    return authorities.stream().map(Authority::asGrantedAuthority).collect(Collectors.toSet());
}

From source file:io.gravitee.management.rest.resource.ApplicationMembersResource.java

@GET
@Produces(MediaType.APPLICATION_JSON)/*  w  w w  .  j  a  v a2 s  . com*/
public Set<MemberEntity> members() {
    // Check that the application exists
    applicationService.findById(application);

    return applicationService.getMembers(application, null).stream()
            .sorted((o1, o2) -> o1.getUser().compareTo(o2.getUser())).collect(Collectors.toSet());
}