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:com.ikanow.aleph2.security.db.AbstractDb.java

public Object loadById(Object id) {
    Session s = null;/*from www . ja  v  a  2s.  com*/
    try {
        Optional<JsonNode> ojs = getStore().getObjectById(id).get();
        if (ojs.isPresent()) {
            s = (Session) deserialize(ojs.get());
        }
    } catch (Exception e) {
        logger.error("Caught Exception loading from db:", e);
    }
    return s;
}

From source file:org.openmhealth.shim.fitbit.mapper.FitbitSleepDurationDataPointMapper.java

@Override
protected Optional<DataPoint<SleepDuration>> asDataPoint(JsonNode node) {

    DurationUnitValue unitValue = new DurationUnitValue(MINUTE, asRequiredDouble(node, "minutesAsleep"));
    SleepDuration.Builder sleepDurationBuilder = new SleepDuration.Builder(unitValue);

    Optional<LocalDateTime> localStartTime = asOptionalLocalDateTime(node, "startTime");

    if (localStartTime.isPresent()) {

        OffsetDateTime offsetStartDateTime = combineDateTimeAndTimezone(localStartTime.get());
        Optional<Double> timeInBed = asOptionalDouble(node, "timeInBed");

        if (timeInBed.isPresent()) {
            sleepDurationBuilder.setEffectiveTimeFrame(TimeInterval.ofStartDateTimeAndDuration(
                    offsetStartDateTime, new DurationUnitValue(MINUTE, timeInBed.get())));
        } else {/*from   ww w.ja v a 2 s.com*/
            // in this case, there is no "time in bed" value, however we still have a start time, so we can set
            // the data point to a single date time point
            sleepDurationBuilder.setEffectiveTimeFrame(offsetStartDateTime);
        }
    }

    SleepDuration measure = sleepDurationBuilder.build();

    Optional<Long> externalId = asOptionalLong(node, "logId");

    return Optional.of(newDataPoint(measure, externalId.orElse(null)));
}

From source file:cats.twitter.webapp.controller.module.ApiController.java

/**
 * Modules have to query here when they want to retrieve a corpus.
 * @param token The token sent in the initialisation request (/init)
 * @param from (not required) Pagination
 * @param to (not required) Pagination/*w w  w  .j  av a2s  .  c om*/
 * @return The list of tweets of the corpus in JSON
 */
// @CrossOrigin(origins = "http://localhost:3000")
@RequestMapping(value = "/api", method = RequestMethod.GET)
public List<Tweet> api(@RequestHeader("token") String token,
        @RequestParam(value = "from", required = false) Integer from,
        @RequestParam(value = "to", required = false) Integer to) {
    Optional<Request> req = reqRepository.findOneByToken(token);
    if (!req.isPresent()) {
        throw new IllegalAccessError("Please verify your token!");
    }
    Corpus corpus = req.get().getCorpus();

    if (from == null)
        from = 0;
    if (to == null)
        to = Math.toIntExact(tweetRepository.countByCorpusId(corpus.getId()));

    return tweetRepository.findByCorpusId(corpus.getId(), new ChunkRequest(from, to - from)).getContent();

}

From source file:fi.hsl.parkandride.back.LockDao.java

@Override
@Transactional(propagation = Propagation.REQUIRES_NEW, isolation = Isolation.SERIALIZABLE)
public Lock acquireLock(String lockName, Duration lockDuration) {
    Optional<Lock> lock = selectLockIfExists(lockName);
    if (lock.isPresent()) {
        Lock existingLock = lock.get();
        if (!existingLock.validUntil.isAfter(DateTime.now())) {
            return claimExpiredLock(existingLock, lockDuration);
        } else {//from   w ww  .ja  v  a  2s. c  o  m
            throw new LockAcquireFailedException("Existing lock " + existingLock + " is still valid");
        }
    }
    return insertLock(lockName, lockDuration);
}

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

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

    BigDecimal steps = asRequiredBigDecimal(listEntryNode, "Steps");

    if (steps.intValue() == 0) {
        return Optional.empty();
    }/* w ww .  j  a v a 2s .  c  om*/

    StepCount.Builder stepCountBuilder = new StepCount.Builder(steps);

    Optional<Long> dateTimeString = asOptionalLong(listEntryNode, "MDate");

    if (dateTimeString.isPresent()) {

        Optional<String> timeZone = asOptionalString(listEntryNode, "TimeZone");

        if (timeZone.isPresent()) {

            /* iHealth provides daily summaries for step counts and timestamp the datapoint at either the end of
            the day (23:50) or at the latest time that datapoint was synced */
            stepCountBuilder.setEffectiveTimeFrame(ofStartDateTimeAndDuration(
                    getDateTimeAtStartOfDayWithCorrectOffset(dateTimeString.get(), timeZone.get()),
                    new DurationUnitValue(DAY, 1)));
        }
    }

    getUserNoteIfExists(listEntryNode).ifPresent(stepCountBuilder::setUserNotes);

    StepCount stepCount = stepCountBuilder.build();

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

From source file:mtsar.processors.task.InverseCountAllocatorTest.java

@Test
public void testEmpty() {
    when(countDAO.getCountsSQL(anyString())).thenReturn(Collections.emptyList());
    final TaskAllocator allocator = new InverseCountAllocator(stage, dbi, taskDAO, answerDAO);
    final Optional<TaskAllocation> optional = allocator.allocate(worker);
    assertThat(optional.isPresent()).isFalse();
}

From source file:io.gravitee.management.idp.repository.lookup.RepositoryIdentityLookup.java

@Override
public io.gravitee.management.idp.api.identity.User retrieve(String id) {
    try {/*from  w w  w  . jav a  2  s .com*/
        Optional<io.gravitee.repository.management.model.User> optUser = userRepository.findByUsername(id);

        if (optUser.isPresent()) {
            return convert(optUser.get());
        }
    } catch (TechnicalException te) {
        LOGGER.error("Unexpected error while looking for a user with id " + id, te);
    }
    return null;
}

From source file:com.ikanow.aleph2.security.db.AbstractDb.java

public Object loadBySpec(QueryComponent<JsonNode> spec) {
    Session s = null;/*from w  w w .ja v a  2  s.  c  o m*/
    try {
        Optional<JsonNode> ojs = getStore().getObjectBySpec(spec).get();
        if (ojs.isPresent()) {
            s = (Session) deserialize(ojs.get());
        }
    } catch (Exception e) {
        logger.error("Caught Exception loading from db:", e);
    }
    return s;
}

From source file:org.openmhealth.dsu.repository.ClientDetailsRepositoryIntegrationTests.java

@Test
public void findOneShouldReturnSavedClientDetails() {

    SimpleClientDetails expected = clientDetailsRepository.save(newClientDetails());

    Optional<SimpleClientDetails> actual = clientDetailsRepository.findOne(TEST_CLIENT_ID);

    assertThat(actual.isPresent(), equalTo(true));
    assertThat(actual.get(), equalTo(expected));
}

From source file:com.nike.cerberus.operation.vault.LoadDefaultVaultPoliciesOperation.java

@Override
public void run(final LoadDefaultVaultPoliciesCommand command) {
    logger.info("Getting client for Vault leader.");
    final Optional<VaultAdminClient> leaderClient = vaultAdminClientFactory.getClientForLeader();

    if (leaderClient.isPresent()) {
        for (Map.Entry<String, VaultPolicy> entry : getDefaultPolicies().entrySet()) {
            logger.info("Loading policy, {}.", entry.getKey());
            leaderClient.get().putPolicy(entry.getKey(), entry.getValue());
        }/*w w  w .ja va 2 s.c o  m*/

        logger.info("All default policies loaded.");
    } else {
        throw new IllegalStateException("Unable to determine Vault leader, aborting...");
    }
}