Example usage for java.util Optional isPresent

Introduction

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

Prototype

public boolean isPresent()

Source Link

Document

If a value is present, returns true , otherwise false .

Usage

From source file:it.polimi.diceH2020.SPACE4CloudWS.fineGrainedLogicForOptimization.ReactorConsumer.java

private Pair<Boolean, Long> runSolver(SolutionPerJob solPerJob) {
    Pair<Optional<Double>, Long> solverResult = solverCache.evaluate(solPerJob);
    Optional<Double> solverMetric = solverResult.getLeft();
    long runtime = solverResult.getRight();

    if (solverMetric.isPresent()) {
        PerformanceSolver solver = solverCache.getPerformanceSolver();
        Technology technology = dataService.getScenario().getTechnology();
        Double mainMetric = solver.transformationFromSolverResult(solPerJob, technology)
                .apply(solverMetric.get());
        solver.metricUpdater(solPerJob, technology).accept(mainMetric);
        boolean feasible = solver.feasibilityCheck(solPerJob, technology).test(mainMetric);
        solPerJob.setFeasible(feasible);
        return new ImmutablePair<>(true, runtime);
    }//from   ww  w  . ja v a2s. c o m

    solverCache.invalidate(solPerJob);
    return new ImmutablePair<>(false, runtime);
}

From source file:com.javaeeeee.repositories.UsersRepositoryTest.java

/**
 * Method tests sad path./*from  w ww.  j  av a  2 s. c o m*/
 */
@Test
public void findByUsernameAndPasswordShouldReturnEmpty() {
    final String name = "Phil";
    final String password = "1";
    entityManager.persist(new User(name, password));
    Optional<User> optional = usersRepository.findByUsernameAndPassword(name, password + "mmm");

    Assert.assertFalse(optional.isPresent());
}

From source file:ddf.catalog.validation.impl.validator.RequiredAttributesMetacardValidator.java

@Override
public void validate(final Metacard metacard) throws ValidationException {
    final Optional<MetacardValidationReport> reportOptional = validateMetacard(metacard);

    if (reportOptional.isPresent()) {
        final List<String> errors = reportOptional.get().getMetacardValidationViolations().stream()
                .map(ValidationViolation::getMessage).collect(Collectors.toList());

        final ValidationExceptionImpl exception = new ValidationExceptionImpl();
        exception.setErrors(errors);/*from   ww  w. j a  v a 2  s  .  co m*/
        throw exception;
    }
}

From source file:org.springsource.restbucks.payment.PaymentServiceImpl.java

@Override
public CreditCardPayment pay(Order order, CreditCardNumber creditCardNumber) {

    if (order.isPaid()) {
        throw new PaymentException(order, "Order already paid!");
    }//from  ww w. j a  v  a2 s . c o  m

    // Using Optional.orElseThrow() doesn't work due to https://bugs.openjdk.java.net/browse/JDK-8054569
    Optional<CreditCard> creditCardResult = creditCardRepository.findByNumber(creditCardNumber);

    if (!creditCardResult.isPresent()) {
        throw new PaymentException(order,
                String.format("No credit card found for number: %s", creditCardNumber.getNumber()));
    }

    CreditCard creditCard = creditCardResult.get();

    if (!creditCard.isValid()) {
        throw new PaymentException(order, String.format("Invalid credit card with number %s, expired %s!",
                creditCardNumber.getNumber(), creditCard.getExpirationDate()));
    }

    order.markPaid();
    CreditCardPayment payment = paymentRepository.save(new CreditCardPayment(creditCard, order));

    publisher.publishEvent(new OrderPaidEvent(order.getId()));

    return payment;
}

From source file:com.macrossx.wechat.impl.WechatMenuHelper.java

/**
 * create menu/*from w  w  w . j a va  2  s.co m*/
 * 
 * @param menu
 *            menu to create
 *            {@link https://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1421141013&token=&lang=zh_CN}
 * @return true sucess
 */
@Override
public boolean createMenu(List<WechatButton> menu) {
    try {
        Map<String, List<WechatButton>> menus = Maps.newConcurrentMap();
        menus.put("button", menu);
        Optional<WechatAccessToken> token = wechatHelper.getAccessToken();
        if (token.isPresent()) {
            WechatAccessToken accessToken = token.get();
            HttpPost httpPost = new HttpPost();
            httpPost.setEntity(new StringEntity(new Gson().toJson(menus), "utf-8"));
            httpPost.setURI(new URI(
                    MessageFormat.format(WechatConstants.MENU_CREATE_URL, accessToken.getAccess_token())));
            Optional<WechatResponseObj> response = new WechatHttpClient().send(httpPost,
                    WechatResponseObj.class);
            if (response.isPresent()) {
                WechatResponseObj e = response.get();
                log.info(e.toString());
                if (0 == e.getErrcode()) {
                    return true;
                }
            }
        }
    } catch (URISyntaxException e) {
        log.info(e.getMessage());
    }
    return false;
}

From source file:com.michellemay.URLLanguageDetectorTest.java

public void validateTestCases(URLLanguageDetector detector, List<Pair<String, String>> testCases)
        throws Exception {
    List<Pair<Pair<String, String>, Optional<Locale>>> failedTests = testCases.stream()
            .map((test) -> Pair.of(test, detector.detect(test.getKey()))).filter((testAndResult) -> {
                Pair<String, String> test = testAndResult.getKey();
                Optional<Locale> detectedLanguage = testAndResult.getValue();
                boolean localTestFailed = (detectedLanguage.isPresent() != !test.getValue().isEmpty());
                if (!localTestFailed && detectedLanguage.isPresent()) {
                    localTestFailed = !detectedLanguage.get().equals(LocaleUtils.toLocale(test.getValue()));
                }// w ww.j  a v a2s  .  c  om
                return localTestFailed;
            }).collect(Collectors.toList());

    failedTests
            .forEach((test) -> System.out.println("FAILED: " + test.getKey() + ", FOUND: " + test.getValue()));
    assertTrue(failedTests.isEmpty());

}

From source file:de.Keyle.MyPet.util.Updater.java

public void update() {
    if (Configuration.Update.CHECK) {
        Optional<Update> update = check();
        if (update.isPresent()) {
            latest = update.get();//from w  ww.j a  v  a2s  .  c  om

            notifyVersion();

            if (Configuration.Update.DOWNLOAD) {
                download();
            }
        }
    }
}

From source file:org.homiefund.web.controllers.SignUpController.java

@GetMapping(value = { "/signup/", "/signup/{inviteToken}/" })
public String signup(@PathVariable Optional<String> inviteToken, Model model) {
    UserRegistrationForm form = new UserRegistrationForm();
    if (inviteToken.isPresent()) {
        form.setInviteToken(inviteToken.get());
    }//w w w . j  a  va 2  s. com

    model.addAttribute("userRegistrationForm", form);

    return "signup";
}

From source file:org.openmhealth.shim.ihealth.mapper.IHealthBloodGlucoseDataPointMapper.java

@Override
protected Optional<DataPoint<BloodGlucose>> asDataPoint(JsonNode listEntryNode,
        Integer measureUnitMagicNumber) {

    checkNotNull(measureUnitMagicNumber);

    double bloodGlucoseValue = asRequiredDouble(listEntryNode, "BG");

    if (bloodGlucoseValue == 0) {
        return Optional.empty();
    }//from   ww w. j  a v  a2  s .  c om

    BloodGlucoseUnit bloodGlucoseUnit = getBloodGlucoseUnitFromMagicNumber(measureUnitMagicNumber);

    BloodGlucose.Builder bloodGlucoseBuilder = new BloodGlucose.Builder(
            new TypedUnitValue<>(bloodGlucoseUnit, bloodGlucoseValue));

    Optional<String> relationshipToMeal = asOptionalString(listEntryNode, "DinnerSituation");

    if (relationshipToMeal.isPresent()) {

        IHealthTemporalRelationshipToMeal temporalRelationshipToMeal = IHealthTemporalRelationshipToMeal
                .findByResponseValue(relationshipToMeal.get()).get();

        bloodGlucoseBuilder.setTemporalRelationshipToMeal(temporalRelationshipToMeal.getStandardConstant());
    }

    getEffectiveTimeFrameAsDateTime(listEntryNode).ifPresent(bloodGlucoseBuilder::setEffectiveTimeFrame);
    getUserNoteIfExists(listEntryNode).ifPresent(bloodGlucoseBuilder::setUserNotes);

    BloodGlucose bloodGlucose = bloodGlucoseBuilder.build();

    /*  The "temporal_relationship_to_medication" property is not part of the Blood Glucose schema, so its name and
    values may change or we may remove support for this property at any time. */
    asOptionalString(listEntryNode, "DrugSituation").ifPresent(drugSituation -> bloodGlucose
            .setAdditionalProperty("temporal_relationship_to_medication", drugSituation));

    return Optional.of(new DataPoint<>(createDataPointHeader(listEntryNode, bloodGlucose), bloodGlucose));
}

From source file:ch.wisv.areafiftylan.extras.consumption.service.ConsumptionServiceImpl.java

@Override
public ConsumptionMap getByTicketIdIfValid(Long ticketId) {
    if (!ticketService.getTicketById(ticketId).isValid()) {
        throw new InvalidTicketException("Ticket is invalid; It can not be used for consumptions.");
    }/*  w w  w  .jav  a 2 s  .c o m*/

    Optional<ConsumptionMap> mapOptional = consumptionMapsRepository.findByTicketId(ticketId);

    if (mapOptional.isPresent()) {
        return mapOptional.get();
    } else {
        return initializeConsumptionMap(ticketId);
    }
}