Example usage for java.util Collection stream

Introduction

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

Prototype

default Stream<E> stream()

Source Link

Document

Returns a sequential Stream with this collection as its source.

Usage

From source file:com.hortonworks.streamline.streams.cluster.resource.ClusterCatalogResource.java

private void assertNoNamespaceRefersCluster(Long clusterId) {
    Collection<Namespace> namespaces = environmentService.listNamespaces();
    if (namespaces != null) {
        for (Namespace namespace : namespaces) {
            Collection<NamespaceServiceClusterMap> mappings = environmentService
                    .listServiceClusterMapping(namespace.getId());
            if (mappings != null) {
                boolean matched = mappings.stream().anyMatch(m -> Objects.equals(m.getClusterId(), clusterId));
                if (matched) {
                    throw BadRequestException.message(
                            "Namespace refers the cluster trying to remove - cluster id: " + clusterId);
                }/*ww  w  .  j a  va  2 s .c om*/
            }
        }
    }
}

From source file:com.hortonworks.streamline.streams.service.NamespaceCatalogResource.java

@DELETE
@Path("/namespaces/{id}/mapping/{serviceName}/cluster/{clusterId}")
@Timed//ww w .  jav a  2s. c om
public Response unmapServiceToClusterInNamespace(@PathParam("id") Long namespaceId,
        @PathParam("serviceName") String serviceName, @PathParam("clusterId") Long clusterId,
        @Context SecurityContext securityContext) {
    SecurityUtil.checkRoleOrPermissions(authorizer, securityContext, Roles.ROLE_ENVIRONMENT_SUPER_ADMIN,
            Namespace.NAMESPACE, namespaceId, WRITE);
    Namespace namespace = environmentService.getNamespace(namespaceId);
    if (namespace == null) {
        throw EntityNotFoundException.byId(namespaceId.toString());
    }

    String streamingEngine = namespace.getStreamingEngine();
    Collection<NamespaceServiceClusterMapping> mappings = environmentService
            .listServiceClusterMapping(namespaceId);
    boolean containsStreamingEngine = mappings.stream()
            .anyMatch(m -> m.getServiceName().equals(streamingEngine));
    // check topology running only streaming engine exists
    if (serviceName.equals(streamingEngine) && containsStreamingEngine) {
        assertNoTopologyReferringNamespaceIsRunning(namespaceId,
                WSUtils.getUserFromSecurityContext(securityContext));
    }

    NamespaceServiceClusterMapping mapping = environmentService.removeServiceClusterMapping(namespaceId,
            serviceName, clusterId);
    if (mapping != null) {
        return WSUtils.respondEntity(mapping, OK);
    }

    throw EntityNotFoundException.byId(buildMessageForCompositeId(namespaceId, serviceName, clusterId));
}

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

private Map<String, List<ContentItem>> getContent(Collection<ReadStorageRequest> ids) {
    return ids.stream().map(this::getStorageItem).filter(Objects::nonNull)
            .map(ReadStorageResponse::getContentItem).filter(Objects::nonNull)
            .collect(Collectors.toMap(ContentItem::getId, Lists::newArrayList, (l, r) -> {
                l.addAll(r);//from ww  w  .  j  a v  a2s. c  o m
                return l;
            }));
}

From source file:uk.dsxt.voting.client.ClientManager.java

public RequestResult getVotings(String clientId) {
    final Collection<Voting> votings = assetsHolder.getVotings().stream()
            .filter(v -> assetsHolder.getClientPacketSize(v.getId(), clientId) == null
                    || assetsHolder.getClientPacketSize(v.getId(), clientId).compareTo(BigDecimal.ZERO) > 0)
            .collect(Collectors.toSet());
    return new RequestResult<>(
            votings.stream().map(v -> new VotingWeb(v, assetsHolder.getClientVote(v.getId(), clientId) == null))
                    .collect(Collectors.toList()).toArray(new VotingWeb[votings.size()]),
            null);//from  w  ww  .ja va  2  s . com
}

From source file:com.hp.autonomy.frontend.configuration.server.ServerConfig.java

private boolean testServerVersion(final AciService aciService, final ProcessorFactory processorFactory) {
    // Community's ProductName is just IDOL, so we need to check the product type
    final GetVersionResponseData versionResponseData = aciService.executeAction(toAciServerDetails(),
            new AciParameters(GeneralActions.GetVersion.name()),
            processorFactory.getResponseDataProcessor(GetVersionResponseData.class));

    final Collection<String> serverProductTypes = new HashSet<>(
            Arrays.asList(versionResponseData.getProducttypecsv().split(",")));

    return productTypeRegex == null ? productType.stream().anyMatch(p -> serverProductTypes.contains(p.name()))
            : serverProductTypes.stream()
                    .anyMatch(serverProductType -> productTypeRegex.matcher(serverProductType).matches());
}

From source file:com.example.app.profile.model.location.LocationDAO.java

/**
 * Set the status of the specified locations.
 *
 * @param locations the locations to update
 * @param status the new status// w  ww.j  av a 2  s. co  m
 */
public void setLocationStatus(final Collection<? extends Location> locations, final LocationStatus status) {
    doInTransaction(session -> {
        final String hql = "update " + Location.class.getName() + " location" + " set location."
                + Location.STATUS_PROP + " = :status" + " where location in :locations";

        final Query query = session.createQuery(hql);
        query.setParameter("status", status);
        query.setParameterList("locations", locations.stream().map(Location::getId).toArray(Integer[]::new));

        query.executeUpdate();
    });
}

From source file:com.thinkbiganalytics.feedmgr.rest.controller.NifiIntegrationRestController.java

/**
 * get all referencing components in a single hashmap
 *
 * @param references references/* ww  w .  j  av  a 2 s  .c om*/
 * @return the map of id to component entity
 */
private Map<String, ControllerServiceReferencingComponentEntity> getReferencingComponents(
        Collection<ControllerServiceReferencingComponentEntity> references) {
    Map<String, ControllerServiceReferencingComponentEntity> map = new HashMap<>();
    references.stream().forEach(c -> {
        map.put(c.getId(), c);
        if (c.getComponent().getReferencingComponents() != null
                && !c.getComponent().getReferencingComponents().isEmpty()) {
            map.putAll(getReferencingComponents(c.getComponent().getReferencingComponents()));
        }
    });
    return map;
}

From source file:fr.paris.lutece.portal.web.admin.AdminPageJspBeanTest.java

@Override
protected void tearDown() throws Exception {
    IPageService pageService = (IPageService) SpringContextService.getBean("pageService");
    if (_page != null) {
        try {/* w w w .j  a  v a  2  s .  com*/
            Collection<Page> children = PageHome.getChildPages(_page.getId());
            children.stream().forEach(page -> pageService.removePage(page.getId()));
            pageService.removePage(_page.getId());
        } finally {
        }
    }
    removeUser(_adminUser);
    super.tearDown();
}

From source file:com.github.drbookings.model.data.manager.MainManager.java

public Optional<BookingEntry> getAfter(BookingEntry e) {
    LocalDate plusOneDay = e.getDate().plusDays(1);
    Room room = e.getRoom();/*w w  w. j  a  v a  2  s  . c o m*/
    Collection<BookingEntry> bookingsThatDay = bookingEntries.get(plusOneDay);
    if (bookingsThatDay != null) {
        return bookingsThatDay.stream().filter(b -> b.getRoom().equals(room)).findFirst();
    }
    return Optional.empty();
}

From source file:com.github.drbookings.model.data.manager.MainManager.java

public Optional<BookingEntry> getBefore(BookingEntry e) {
    LocalDate plusOneDay = e.getDate().minusDays(1);
    Room room = e.getRoom();//from   ww  w . ja va 2  s  .co  m
    Collection<BookingEntry> bookingsThatDay = bookingEntries.get(plusOneDay);
    if (bookingsThatDay != null) {
        return bookingsThatDay.stream().filter(b -> b.getRoom().equals(room)).findFirst();
    }
    return Optional.empty();
}