Example usage for java.util Optional ofNullable

Introduction

In this page you can find the example usage for java.util Optional ofNullable.

Prototype

@SuppressWarnings("unchecked")
public static <T> Optional<T> ofNullable(T value)

Source Link

Document

Returns an Optional describing the given value, if non- null , otherwise returns an empty Optional .

Usage

From source file:com.netflix.genie.common.internal.dto.v4.Criterion.java

/**
 * Get the version of the resource desired if it exists.
 *
 * @return {@link Optional} wrapping the version
 *//* www. j  av  a 2 s  . co  m*/
public Optional<String> getVersion() {
    return Optional.ofNullable(this.version);
}

From source file:ws.salient.model.Settings.java

private List<Profile> getProfiles(Collection<String> profileIds) {
    List<Profile> selectedProfiles = new LinkedList();
    Optional.ofNullable(activeProfiles).orElse(Collections.EMPTY_LIST).forEach((id) -> {
        selectedProfiles.add(this.profiles.getOrDefault(id, new Profile()));
    });/*from   w w  w  .j a v a2 s.  c om*/
    if (profileIds != null && this.profiles != null) {
        profileIds.forEach((id) -> {
            selectedProfiles.add(this.profiles.getOrDefault(id, new Profile()));
        });
    }
    return selectedProfiles;
}

From source file:com.thinkbiganalytics.feedmgr.service.feed.FeedHiveTableService.java

/**
 * Updates the column descriptions in the Hive metastore for the specified feed.
 *
 * @param feed the feed to update//from w  w  w  .  j av a 2 s . c om
 * @throws DataAccessException if there is any problem
 */
public void updateColumnDescriptions(@Nonnull final FeedMetadata feed) {
    final List<Field> feedFields = Optional.ofNullable(feed.getTable()).map(TableSetup::getTableSchema)
            .map(TableSchema::getFields).orElse(null);
    if (feedFields != null && !feedFields.isEmpty()) {
        final TableSchema hiveSchema = hiveService.getTableSchema(feed.getSystemCategoryName(),
                feed.getSystemFeedName());
        if (hiveSchema != null) {
            final Map<String, Field> hiveFieldMap = hiveSchema.getFields().stream()
                    .collect(Collectors.toMap(field -> field.getName().toLowerCase(), Function.identity()));
            feedFields.stream().filter(feedField -> {
                final Field hiveField = hiveFieldMap.get(feedField.getName().toLowerCase());
                return hiveField != null
                        && (StringUtils.isNotEmpty(feedField.getDescription())
                                || StringUtils.isNotEmpty(hiveField.getDescription()))
                        && !Objects.equals(feedField.getDescription(), hiveField.getDescription());
            }).forEach(feedField -> changeColumn(feed, feedField.getName(), feedField));
        }
    }
}

From source file:alfio.controller.api.ReservationApiController.java

@RequestMapping(value = "/event/{eventName}/ticket/{ticketIdentifier}/assign", method = RequestMethod.POST, headers = "X-Requested-With=XMLHttpRequest")
public Map<String, Object> assignTicketToPerson(@PathVariable("eventName") String eventName,
        @PathVariable("ticketIdentifier") String ticketIdentifier,
        @RequestParam(value = "single-ticket", required = false, defaultValue = "false") boolean singleTicket,
        UpdateTicketOwnerForm updateTicketOwner, BindingResult bindingResult, HttpServletRequest request,
        Model model, Authentication authentication) throws Exception {

    Optional<UserDetails> userDetails = Optional.ofNullable(authentication).map(Authentication::getPrincipal)
            .filter(UserDetails.class::isInstance).map(UserDetails.class::cast);

    Optional<Triple<ValidationResult, Event, Ticket>> assignmentResult = ticketHelper.assignTicket(eventName,
            ticketIdentifier, updateTicketOwner, Optional.of(bindingResult), request, t -> {
                Locale requestLocale = RequestContextUtils.getLocale(request);
                model.addAttribute("ticketFieldConfiguration",
                        ticketHelper.findTicketFieldConfigurationAndValue(t.getMiddle().getId(), t.getRight(),
                                requestLocale));
                model.addAttribute("value", t.getRight());
                model.addAttribute("validationResult", t.getLeft());
                model.addAttribute("countries", TicketHelper.getLocalizedCountries(requestLocale));
                model.addAttribute("event", t.getMiddle());
                model.addAttribute("useFirstAndLastName", t.getMiddle().mustUseFirstAndLastName());
                model.addAttribute("availableLanguages", i18nManager.getEventLanguages(eventName).stream()
                        .map(ContentLanguage.toLanguage(requestLocale)).collect(Collectors.toList()));
                String uuid = t.getRight().getUuid();
                model.addAttribute("urlSuffix", singleTicket ? "ticket/" + uuid + "/view" : uuid);
                model.addAttribute("elementNamePrefix", "");
            }, userDetails);/*  w  w w .  jav a2s . co  m*/
    Map<String, Object> result = new HashMap<>();

    Optional<ValidationResult> validationResult = assignmentResult.map(Triple::getLeft);
    if (validationResult.isPresent() && validationResult.get().isSuccess()) {
        result.put("partial",
                templateManager.renderServletContextResource("/WEB-INF/templates/event/assign-ticket-result.ms",
                        model.asMap(), request, TemplateManager.TemplateOutput.HTML));
    }
    result.put("validationResult", validationResult.orElse(
            ValidationResult.failed(new ValidationResult.ErrorDescriptor("fullName", "error.fullname"))));
    return result;
}

From source file:com.netflix.genie.common.internal.dto.v4.CommonMetadata.java

/**
 * Get the description./*from   www .  ja  v a 2s  .  c  om*/
 *
 * @return The description as an {@link Optional}
 */
public Optional<String> getDescription() {
    return Optional.ofNullable(this.description);
}

From source file:com.thoughtworks.go.server.persistence.ServerBackupRepository.java

public Optional<ServerBackup> getBackup(long id) {
    return Optional.ofNullable(getHibernateTemplate().get(ServerBackup.class, id));
}

From source file:org.ow2.proactive.connector.iaas.service.InstanceService.java

public void deleteAllInstances(String infrastructureId) {
    Optional.ofNullable(infrastructureService.getInfrastructure(infrastructureId)).ifPresent(infrastructure -> {
        cloudManager.getAllInfrastructureInstances(infrastructure).forEach(instance -> {
            cloudManager.deleteInstance(infrastructure, instance.getId());
            instanceCache.deleteInfrastructureInstance(infrastructure, instance);
        });/*from   w  ww .  j  a va  2  s  . co m*/
    });
}

From source file:com.ikanow.aleph2.analytics.services.GraphBuilderEnrichmentService.java

@Override
public void onStageInitialize(IEnrichmentModuleContext context, DataBucketBean bucket,
        EnrichmentControlMetadataBean control, Tuple2<ProcessingStage, ProcessingStage> previous_next,
        Optional<List<String>> next_grouping_fields) {

    _context.set(context);/*from w w w .j  av  a  2s.c om*/

    final GraphConfigBean dedup_config = BeanTemplateUtils
            .from(Optional.ofNullable(control.config()).orElse(Collections.emptyMap()), GraphConfigBean.class)
            .get();

    // Check if enabled
    final Optional<GraphSchemaBean> maybe_graph_schema = Optional
            .ofNullable(dedup_config.graph_schema_override()).map(Optional::of)
            .orElse(Optionals.of(() -> bucket.data_schema().graph_schema())); //(exists by construction)

    _enabled.set(maybe_graph_schema.map(gs -> Optional.ofNullable(gs.enabled()).orElse(true)).orElse(false));

    if (_enabled.get()) {
        // Get the configured graph db service's delegate and store it

        final GraphSchemaBean graph_schema = maybe_graph_schema.get(); //(exists by construction)

        context.getServiceContext()
                .getService(IGraphService.class, Optional.ofNullable(graph_schema.service_name()))
                .flatMap(graph_service -> graph_service.getUnderlyingPlatformDriver(
                        IEnrichmentBatchModule.class, Optional.of(this.getClass().getName())))
                .ifPresent(delegate -> _delegate.set(delegate));
        ;

        _delegate.optional().ifPresent(delegate -> delegate.onStageInitialize(context, bucket, control,
                previous_next, next_grouping_fields));
    }
}

From source file:org.ow2.proactive.addons.ldap_query.LDAPClient.java

public LDAPClient(Map<String, Serializable> actualTaskVariables, Map<String, Serializable> credentials) {
    ImmutableList<String> taskVariablesList = ImmutableList.of(ARG_URL, ARG_DN_BASE, ARG_USERNAME, ARG_PASSWORD,
            ARG_SEARCH_BASE, ARG_SEARCH_FILTER, ARG_SELECTED_ATTRIBUTES);

    for (String variableName : taskVariablesList) {
        Serializable value = credentials.getOrDefault(variableName, actualTaskVariables.get(variableName));
        allLDAPClientParameters.put(variableName,
                (String) Optional.ofNullable(value).orElseThrow(() -> new IllegalArgumentException(
                        "The missed argument for LDAPClient, variable name: " + variableName)));
    }// w w w.ja  v a  2  s .  c  o  m
}

From source file:com.teradata.benchto.driver.BenchmarkProperties.java

public Optional<String> getExecutionSequenceId() {
    return Optional.ofNullable(executionSequenceId);
}