Example usage for java.util Set stream

Introduction

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

Prototype

default Stream<E> stream()

Source Link

Document

Returns a sequential Stream with this collection as its source.

Usage

From source file:com.yfiton.core.Yfiton.java

private Map<String, Map<String, String>> loadPreferences(HierarchicalINIConfiguration configuration,
        Notifier notifier) {/*from w w  w. j a  v a2 s  .  c om*/
    Set<String> sections = configuration.getSections();

    return sections.stream().filter(isEqual(null).negate().and(section -> notifier.getKey().equals(section)))
            .collect(Collectors.toMap(Function.identity(),
                    section -> configuration.getSection(section).getRootNode().getChildren().stream().collect(
                            Collectors.toMap(ConfigurationNode::getName, node -> (String) node.getValue()))));
}

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

@Override
public Set<Membership> findByReferencesAndMembershipType(MembershipReferenceType referenceType,
        List<String> referenceIds, String membershipType) throws TechnicalException {
    Set<RedisMembership> memberships = membershipRedisRepository.findByReferences(referenceType.name(),
            referenceIds);//from w w w.j a  va 2s.c  o  m
    if (membershipType == null) {
        return memberships.stream().map(this::convert).collect(Collectors.toSet());
    } else {
        return memberships.stream().filter(membership -> membershipType.equals(membership.getType()))
                .map(this::convert).collect(Collectors.toSet());
    }
}

From source file:se.uu.it.cs.recsys.semantic.ComputingDomainReasoner.java

/**
 * The method first get narrower domains ids and then get related course ids
 * to these domain ids/*from ww w .  ja va2  s.  c  om*/
 *
 * @param domainIds
 * @return
 */
public Set<String> getNarrowerCourseIdsForCollection(Set<String> domainIds) {
    Set<String> r = new HashSet<>();

    domainIds.stream().forEach((id) -> {
        try {
            r.addAll(getNarrowerDomainIds(id));
        } catch (IOException ex) {
            LOGGER.error("Failed querying narrower ids for {}", id, ex);
        }
    });
    return r;
}

From source file:se.uu.it.cs.recsys.semantic.ComputingDomainReasoner.java

/**
 * @param domainIds/*w  w w  . j a  v a 2  s.c o m*/
 * @return join set of related course ids to each domain id, indirectly and
 * directly
 * @see DomainReasoner#getRelatedCourseIds(String)
 */
public Set<String> getRelatedCourseIdsForCollection(Set<String> domainIds) {
    Set<String> r = new HashSet<>();

    domainIds.stream().forEach((id) -> {
        try {
            r.addAll(getRelatedDomainIds(id));
        } catch (IOException ex) {
            LOGGER.error("Failed querying narrower ids for {}", id, ex);
        }
    });

    return r;
}

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

@Override
public Set<Membership> findByUserAndReferenceTypeAndMembershipType(String userId,
        MembershipReferenceType referenceType, String membershipType) throws TechnicalException {
    Set<RedisMembership> memberships = membershipRedisRepository.findByUserAndReferenceType(userId,
            referenceType.name());/*www  .ja v a 2 s  . co  m*/
    if (membershipType == null) {
        return memberships.stream().map(this::convert).collect(Collectors.toSet());
    } else {
        return memberships.stream().filter(membership -> membershipType.equals(membership.getType()))
                .map(this::convert).collect(Collectors.toSet());
    }
}

From source file:ddf.catalog.metacard.duplication.DuplicationValidator.java

private Filter[] buildFilters(Set<Attribute> attributes) {

    Filter[] filters = attributes.stream().flatMap(attribute -> {
        return attribute.getValues().stream().map(
                value -> filterBuilder.attribute(attribute.getName()).equalTo().text(value.toString().trim()));
    }).toArray(Filter[]::new);

    return filters;
}

From source file:io.syndesis.rest.v1.handler.connection.ConnectionHandler.java

@Override
public Connection create(@Context SecurityContext sec,
        @ConvertGroup(from = Default.class, to = AllValidations.class) final Connection connection) {
    final Date rightNow = new Date();
    final Connection updatedConnection = new Connection.Builder().createFrom(connection).createdDate(rightNow)
            .lastUpdated(rightNow).userId(sec.getUserPrincipal().getName()).build();

    final Set<CredentialFlowState> flowStates = CredentialFlowState.Builder.restoreFrom(state::restoreFrom,
            request);/*from  www.ja va 2 s .c o m*/

    final Connection connectionToCreate = flowStates.stream().map(s -> {
        final Cookie removal = new Cookie(s.persistenceKey(), "");
        removal.setPath("/");
        removal.setMaxAge(0);

        response.addCookie(removal);

        return credentials.apply(updatedConnection, s);
    }).findFirst().orElse(updatedConnection);

    return Creator.super.create(sec, connectionToCreate);
}

From source file:nu.yona.server.goals.service.ActivityCategoryService.java

private void deleteRemovedActivityCategories(Set<ActivityCategory> activityCategoriesInRepository,
        Set<ActivityCategoryDto> activityCategoryDtos) {
    Map<UUID, ActivityCategoryDto> activityCategoryDtosMap = activityCategoryDtos.stream()
            .collect(Collectors.toMap(ActivityCategoryDto::getId, ac -> ac));

    activityCategoriesInRepository.stream().filter(ac -> !activityCategoryDtosMap.containsKey(ac.getId()))
            .forEach(this::deleteActivityCategory);
}

From source file:com.collective.celos.servlet.RegisterKeysServlet.java

protected void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException {
    try {//from w ww.  ja va 2 s .  c o  m
        BucketID bucket = new BucketID(req.getParameter(CelosClient.BUCKET_PARAM));
        String prefix = req.getParameter(CelosClient.PREFIX_PARAM);

        try (StateDatabaseConnection connection = getStateDatabase().openConnection()) {
            Set<RegisterKey> keys = connection.getRegisterKeys(bucket, prefix);
            ObjectNode object = Util.MAPPER.createObjectNode();
            ArrayNode list = Util.MAPPER.createArrayNode();
            object.put(CelosClient.KEYS_NODE, list);
            keys.stream().sorted().forEach(x -> list.add(x.toString()));
            writer.writeValue(res.getOutputStream(), object);
        }
    } catch (Exception e) {
        throw new ServletException(e);
    }
}

From source file:ai.grakn.engine.tasks.manager.multiqueue.Scheduler.java

/**
 * Get all recurring tasks from the graph and schedule them
 *//* ww w . j  a  va 2s  .c  o  m*/
private void restartRecurringTasks() {
    LOG.debug("Restarting recurring tasks");

    Set<TaskState> tasks = storage.getTasks(null, null, null, null, 0, 0);
    tasks.stream().filter(state -> state.schedule().isRecurring()).filter(p -> p.status() != STOPPED)
            .forEach(this::scheduleTask);
}