Example usage for java.util Optional ifPresent

Introduction

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

Prototype

public void ifPresent(Consumer<? super T> action)

Source Link

Document

If a value is present, performs the given action with the value, otherwise does nothing.

Usage

From source file:org.fineract.module.stellar.horizonadapter.HorizonServerPaymentObserver.java

private void setupListeningForAccount(@NotNull final StellarAccountId stellarAccountId,
        @NotNull final Optional<String> cursor) {
    logger.info("HorizonServerPaymentObserver.setupListeningForAccount {}, cursor {}",
            stellarAccountId.getPublicKey(), cursor);

    final EffectsRequestBuilder effectsRequestBuilder = new EffectsRequestBuilder(URI.create(serverAddress));
    effectsRequestBuilder.forAccount(KeyPair.fromAccountId(stellarAccountId.getPublicKey()));
    cursor.ifPresent(effectsRequestBuilder::cursor);

    effectsRequestBuilder.stream(listener);
}

From source file:it.polimi.diceH2020.SPACE4CloudWS.core.CoarseGrainedOptimizer.java

private boolean hillClimbing(SolutionPerJob solPerJob, Technology technology) {
    boolean success = false;
    Pair<Optional<Double>, Long> simulatorResult = dataProcessor.simulateClass(solPerJob);
    Optional<Double> maybeResult = simulatorResult.getLeft();
    if (maybeResult.isPresent()) {
        success = true;//  ww w. ja v a 2 s . c  o m

        PerformanceSolver currentSolver = dataProcessor.getPerformanceSolver();
        Function<Double, Double> fromResult = currentSolver.transformationFromSolverResult(solPerJob,
                technology);
        Predicate<Double> feasibilityCheck = currentSolver.feasibilityCheck(solPerJob, technology);
        Consumer<Double> metricUpdater = currentSolver.metricUpdater(solPerJob, technology);

        final double tolerance = settings.getOptimization().getTolerance();

        BiPredicate<Double, Double> incrementCheck;
        Function<Integer, Integer> updateFunction;
        Predicate<Double> stoppingCondition;
        Predicate<Integer> vmCheck;

        double responseTime = fromResult.apply(maybeResult.get());
        if (feasibilityCheck.test(responseTime)) {
            updateFunction = n -> n - 1;
            stoppingCondition = feasibilityCheck.negate();
            vmCheck = n -> n == 1;
            incrementCheck = (prev, curr) -> false;
        } else {
            updateFunction = n -> n + 1;
            stoppingCondition = feasibilityCheck;
            vmCheck = n -> false;
            incrementCheck = (prev, curr) -> Math.abs((prev - curr) / prev) < tolerance;
        }

        List<Triple<Integer, Optional<Double>, Boolean>> resultsList = alterUntilBreakPoint(solPerJob,
                updateFunction, fromResult, feasibilityCheck, stoppingCondition, incrementCheck, vmCheck);
        Optional<Triple<Integer, Optional<Double>, Boolean>> result = resultsList.parallelStream()
                .filter(t -> t.getRight() && t.getMiddle().isPresent())
                .min(Comparator.comparing(Triple::getLeft));
        result.ifPresent(triple -> triple.getMiddle().ifPresent(output -> {
            int nVM = triple.getLeft();
            switch (technology) {
            case HADOOP:
            case SPARK:
                solPerJob.setThroughput(output);
                break;
            case STORM:
                break;
            default:
                throw new RuntimeException("Unexpected technology");
            }
            solPerJob.updateNumberVM(nVM);
            double metric = fromResult.apply(output);
            metricUpdater.accept(metric);
            logger.info(String.format(
                    "class%s-> MakeFeasible ended, result = %f, other metric = %f, obtained with: %d VMs",
                    solPerJob.getId(), output, metric, nVM));
        }));
    } else {
        logger.info("class" + solPerJob.getId() + "-> MakeFeasible ended with ERROR");
        solPerJob.setFeasible(false);
    }
    return success;
}

From source file:alfio.controller.api.support.TicketHelper.java

public Optional<Triple<ValidationResult, Event, Ticket>> assignTicket(String eventName, String ticketIdentifier,
        UpdateTicketOwnerForm updateTicketOwner, Optional<Errors> bindingResult, HttpServletRequest request,
        Consumer<Triple<ValidationResult, Event, Ticket>> reservationConsumer,
        Optional<UserDetails> userDetails) {

    Optional<Triple<ValidationResult, Event, Ticket>> triple = ticketReservationManager
            .fetchComplete(eventName, ticketIdentifier)
            .map(result -> assignTicket(updateTicketOwner, bindingResult, request, userDetails, result));
    triple.ifPresent(reservationConsumer);
    return triple;
}

From source file:net.rptools.tokentool.controller.ManageOverlays_Controller.java

@FXML
void addFolderButton_onAction(ActionEvent event) {
    TextInputDialog dialog = new TextInputDialog();
    dialog.setTitle(I18N.getString("ManageOverlays.filechooser.folder.title"));
    dialog.setContentText(I18N.getString("ManageOverlays.filechooser.folder.content_text"));

    Optional<String> result = dialog.showAndWait();
    result.ifPresent(name -> {
        if (FileSaveUtil.makeDir(name, currentDirectory)) {
            displayTreeView();//from   w  w  w .  j  a v a2 s  . c  o  m
        }
        ;
    });
}

From source file:gov.ca.cwds.cals.service.builder.PlacementHomeEntityAwareDTOBuilder.java

public PlacementHomeEntityAwareDTOBuilder appendCountyLicenseCase() {
    CLCEntityAwareDTO clcEntityAwareDTO = new CLCEntityAwareDTO();
    Optional<StaffPerson> staffPerson = Optional
            .ofNullable(staffPersonService.find(PrincipalUtils.getStaffPersonId()));
    CountyLicenseCase countyLicenseCase = countyLicenseCaseMapper.toCountyLicenseCase(form);
    staffPerson.ifPresent(countyLicenseCase::setStaffPerson);
    clcEntityAwareDTO.setEntity(countyLicenseCase);
    placementHomeEntityAwareDTO.setCountyLicenseCase(clcEntityAwareDTO);
    return this;
}

From source file:org.obiba.mica.core.upgrade.Mica310Upgrade.java

private void addRecruitmentsIfMissing(Study study, List<JSONObject> history) {
    try {//ww  w.j  a  v a 2s.  c  o m
        if (!containsRecruitments(study)) {
            Optional<List<String>> optionalRecruitments = history.stream().filter(this::containsRecruitment)
                    .findFirst().map(this::extractRecruitments);

            optionalRecruitments
                    .ifPresent(recruitments -> (getModelMethods(study)).put("recruitments", recruitments));
        }
    } catch (RuntimeException ignore) {
    }
}

From source file:com.hp.autonomy.hod.client.api.developer.ApplicationServiceImpl.java

@Override
public void update(final AuthenticationToken<EntityType.Developer, TokenType.HmacSha1> token,
        final String domain, final String name, final ApplicationUpdateRequest updateRequest)
        throws HodErrorException {
    final Optional<List<String>> optionalAuthModes = updateRequest.getAuthentications()
            .map(authentications -> authentications.stream().map(this::serializeAuthentication)
                    .collect(Collectors.toList()));

    final Map<String, List<String>> body = new HashMap<>();
    final Map<String, String> bodyMultiMap = new MultiMap<>();

    optionalAuthModes.ifPresent(authenticationStrings -> {
        body.put(AUTH_MODES_PART, authenticationStrings);
        authenticationStrings.forEach(s -> bodyMultiMap.put(AUTH_MODES_PART, s));
    });/*from w w  w .  java 2  s .com*/

    updateRequest.getDescription().ifPresent(description -> {
        body.put(DESCRIPTION_PART, Collections.singletonList(description));
        bodyMultiMap.put(DESCRIPTION_PART, description);
    });

    final Request<Void, String> request = new Request<>(Request.Verb.PATCH,
            pathForApplication(domain, name) + "/v1", null, body);
    final String signature = hmac.generateToken(request, token);
    backend.update(signature, domain, name, bodyMultiMap);
}

From source file:nu.yona.server.ThymeleafConfiguration.java

private TemplateEngine templateEngine(Optional<ResourceBundleMessageSource> messageSource,
        AbstractTemplateResolver... templateResolvers) {
    final SpringTemplateEngine templateEngine = new SpringTemplateEngine();

    int i = 1;//  www.  ja v a 2s  .c  om
    for (AbstractTemplateResolver templateResolver : templateResolvers) {
        templateResolver.setOrder(i++);
        templateEngine.addTemplateResolver(templateResolver);
    }
    messageSource.ifPresent(templateEngine::setTemplateEngineMessageSource);
    return templateEngine;
}

From source file:nc.noumea.mairie.appock.viewmodel.EditStockViewModel.java

protected void creeMultipleNouvelleSortieStock(List<EntreeSortieStock> listeSortieStock) {
    listeSortieStock.forEach(sortieStock -> {
        // On rcupre la dernire version de ArticleStock mis  jour par les itrations prcdentes
        Stock stock = stockService.findOne(sortieStock.getArticleStock().getStock().getId());
        Optional<ArticleStock> optionalArticleStock = stock.getListeArticleStock().stream()
                .filter(a -> a.getId().equals(sortieStock.getArticleStock().getId())).findFirst();

        optionalArticleStock.ifPresent(articleStock -> creeNouvelleSortieStock(articleStock,
                sortieStock.getQuantiteASortir(), sortieStock.getObservation()));
    });//w  w  w.  j  av a2 s.  co  m
}

From source file:nc.noumea.mairie.appock.viewmodel.EditStockViewModel.java

protected void creeEntreeSortieGeneric(List<EntreeSortieStock> listeEntreeStock,
        TypeMouvementStock typeMouvementStock) {
    listeEntreeStock.forEach(entreeStock -> {
        // On rcupre la dernire version de ArticleStock mis  jour par les itrations prcdentes
        Stock stock = stockService.findOne(entreeStock.getArticleStock().getStock().getId());
        Optional<ArticleStock> optionalArticleStock = stock.getListeArticleStock().stream()
                .filter(a -> a.getId().equals(entreeStock.getArticleStock().getId())).findFirst();

        optionalArticleStock.ifPresent(articleStock -> creeEntreeSortieGeneric(articleStock,
                entreeStock.getQuantiteASortir(), entreeStock.getObservation(), typeMouvementStock));
    });//from ww w .ja  v a2  s. c om
}