Example usage for java.util.stream Collectors toSet

List of usage examples for java.util.stream Collectors toSet

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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.netflix.spinnaker.clouddriver.kubernetes.v2.caching.view.provider.KubernetesV2LoadBalancerProvider.java

private Set<KubernetesV2LoadBalancer> fromLoadBalancerCacheData(List<CacheData> loadBalancerData) {
    List<CacheData> serverGroupData = kindMap.translateSpinnakerKind(SERVER_GROUPS).stream()
            .map(kind -> cacheUtils.loadRelationshipsFromCache(loadBalancerData, kind.toString()))
            .flatMap(Collection::stream).collect(Collectors.toList());

    List<CacheData> instanceData = kindMap.translateSpinnakerKind(INSTANCES).stream()
            .map(kind -> cacheUtils.loadRelationshipsFromCache(serverGroupData, kind.toString()))
            .flatMap(Collection::stream).collect(Collectors.toList());

    Map<String, List<CacheData>> loadBalancerToServerGroups = cacheUtils.mapByRelationship(serverGroupData,
            LOAD_BALANCERS);//from  w  ww . ja v  a 2s  .  c o  m
    Map<String, List<CacheData>> serverGroupToInstances = cacheUtils.mapByRelationship(instanceData,
            SERVER_GROUPS);

    return loadBalancerData.stream()
            .map(cd -> KubernetesV2LoadBalancer.fromCacheData(cd,
                    loadBalancerToServerGroups.getOrDefault(cd.getId(), new ArrayList<>()),
                    serverGroupToInstances))
            .filter(Objects::nonNull).collect(Collectors.toSet());
}

From source file:org.hawkular.apm.api.model.trace.Node.java

/**
 * This method returns the set of properties having the
 * supplied property name.//from  ww w .  j  a  v a2 s .  co m
 *
 * @param name The property name
 * @return The set of properties with the supplied name
 */
public Set<Property> getProperties(String name) {
    return this.properties.stream().filter(property -> property.getName().equals(name))
            .collect(Collectors.toSet());
}

From source file:com.haulmont.cuba.core.sys.dbupdate.ScriptScanner.java

public List<String> getModuleDirs() {
    try {/* ww w  .  j  ava 2s . com*/
        Resource[] resources = createAppropriateResourceResolver()
                .getResources(dbScriptsDirectoryForSearch() + "/**/*.*");
        String dbDirPath = dbScriptDirectoryPath();
        log.trace("DB scripts directory: {}", dbDirPath);
        List<String> modules = Arrays.stream(resources).map(resource -> {
            try {
                String decodedUrl = URLEncodeUtils.decodeUtf8(resource.getURL().toString());
                String resourcePath = decodedUrl.replaceFirst(".+?:", "");
                Matcher matcher = Pattern.compile(".*" + Pattern.quote(dbDirPath) + "/?(.+?)/.*")
                        .matcher(resourcePath);
                return matcher.find() ? matcher.group(1) : null;
            } catch (IOException e) {
                throw new RuntimeException("An error occurred while detecting modules", e);
            }
        }).filter(element -> element != null).collect(Collectors.toSet()).stream().sorted()
                .collect(Collectors.toList());

        if (modules.isEmpty()) {
            throw new RuntimeException(String.format(
                    "No existing modules found. " + "Please check if [%s] contains DB scripts.", dbDirPath));
        }

        log.trace("Found modules: {}", modules);
        return modules;
    } catch (IOException e) {
        throw new RuntimeException("An error occurred while detecting modules", e);
    }
}

From source file:com.bitbreeds.webrtc.sctp.impl.SendService.java

/**
 * @param gaps retrieved gaps/*  ww  w .j  a  va 2s.c om*/
 * @param duplicates TODO not sure what to do with these
 */
public void updateAcknowledgedTSNS(long cumulativeTsnAck, List<SackUtil.GapAck> gaps, List<Long> duplicates) {

    final HashPMap<Long, TimeData> sent = sentTSNS;

    logger.debug("Before removal contains: " + sent);
    logger.debug("Updating acks with cumulative " + cumulativeTsnAck + " and gaps " + gaps);

    /**
     * Filter and remove those with TSN below cumulativeTsnAck.
     */
    final Collection<Long> ls = sent.keySet().stream().filter(j -> j <= cumulativeTsnAck)
            .collect(Collectors.toSet());

    synchronized (dataMutex) {
        sentTSNS = sentTSNS.minusAll(ls);
    }

    removeAllAcknowledged(cumulativeTsnAck, gaps);

    logger.debug("After remove it contains: " + sentTSNS);
}

From source file:org.fcrepo.apix.jena.impl.JenaServiceRegistry.java

@Override
public void update() {

    // For all resources in the registry, get the URIs of everything that calls itself a Service, or is explicitly
    // registered as a service

    final Set<URI> serviceURIs = Stream.concat(super.list().stream().map(this::get).map(Util::parse)
            .flatMap(m -> m.listSubjectsWithProperty(m.getProperty(RDF_TYPE), m.getResource(CLASS_SERVICE))
                    .mapWith(Resource::getURI).toSet().stream().map(URI::create)),
            objectResourcesOf(null, PROP_CONTAINS_SERVICE, parse(this.get(registryContainer))).stream())
            .collect(Collectors.toSet());

    // Map canonical URI to service resource. If multiple service resources
    // indicate the same canonical URI, pick one arbitrarily.
    final Map<URI, URI> canonical = serviceURIs.stream().flatMap(this::attemptLookupService)
            .collect(Collectors.toMap(s -> s.canonicalURI(), s -> s.uri(), (a, b) -> a));

    canonicalUriMap.putAll(canonical);/*from w w w .j  av  a 2 s .c om*/

    canonicalUriMap.keySet().removeIf(k -> !canonical.containsKey(k));
}

From source file:nu.yona.server.subscriptions.service.BuddyService.java

public Set<BuddyDto> getBuddiesOfUserThatAcceptedSending(UUID forUserId) {
    return getBuddiesOfUser(forUserId).stream().filter(b -> b.getSendingStatus() == Status.ACCEPTED)
            .collect(Collectors.toSet());
}

From source file:com.sri.tasklearning.ui.core.term.ExerciseStepParameter.java

public Set<ExerciseStepParameter> getEqualByValueParameters() {

    Stream<ExerciseStepParameter> params = ownerExerciseModel.getExerciseStepParameters().stream();
    return (Set<ExerciseStepParameter>) params.filter(x -> x.isEqualParameter(this) && x != this)
            .collect(Collectors.toSet());

}

From source file:com.adobe.acs.commons.it.build.ScrMetadataIT.java

@Test
public void test() throws Exception {
    List<String> problems = new ArrayList<>();
    DescriptorList current = getDescriptorsFromCurrent();
    if (current != null) {
        final DescriptorList latestRelease = getDescriptorsFromLatestRelease();
        current.stream().forEach(cd -> {
            Optional<Descriptor> fromLatest = latestRelease.stream().filter(d -> d.name.equals(cd.name))
                    .findFirst();//from   w  w  w.j a  va2 s. c o m
            if (fromLatest.isPresent()) {
                problems.addAll(compareDescriptors(cd, fromLatest.get()));
            } else {
                System.out.printf("Component %s is only in current. Assuming OK.\n", cd.name);
            }

            if (cd.factory) {
                Optional<Property> nameHint = cd.properties.stream().filter(cp -> cp.name.equals(PROP_NAMEHINT))
                        .findFirst();
                if (nameHint.isPresent()) {
                    Set<String> propertyNames = cd.properties.stream().map(cp -> cp.name)
                            .collect(Collectors.toSet());
                    String nameHintValue = nameHint.get().value;
                    Matcher variableMatcher = EXTRACT_VARIABLES.matcher(nameHintValue);
                    while (variableMatcher.find()) {
                        String variable = variableMatcher.group(1);
                        if (!propertyNames.contains(variable)) {
                            problems.add(
                                    String.format("Property %s referenced in nameHint in %s is not defined.",
                                            variable, cd.name));
                        }
                    }
                } else {
                    problems.add(String.format("Component factory %s doesn't have a namehint.", cd.name));
                }
            }
        });

        if (!problems.isEmpty()) {
            problems.forEach(System.err::println);
            TestCase.fail();
        }
    }
}

From source file:com.hortonworks.streamline.streams.security.service.SecurityCatalogService.java

public Collection<User> listUsers(Role role) {
    List<QueryParam> qps = QueryParam.params(UserRole.ROLE_ID, role.getId().toString());
    return listUserRoles(qps).stream().map(ur -> getUser(ur.getUserId())).collect(Collectors.toSet());
}

From source file:nu.yona.server.analysis.service.ActivityService.java

private void createInactivityEntities(Set<IntervalInactivityDto> missingInactivities) {
    Map<UUID, Set<IntervalInactivityDto>> activitiesByUserAnonymizedId = missingInactivities.stream()
            .collect(Collectors.groupingBy(mia -> mia.getUserAnonymizedId().get(), Collectors.toSet()));

    activitiesByUserAnonymizedId/*from  w w  w .  ja v a  2  s .c o m*/
            .forEach((u, mias) -> analysisEngineProxyService.createInactivityEntities(u, mias));
}