Example usage for java.util Optional of

Introduction

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

Prototype

public static <T> Optional<T> of(T value)

Source Link

Document

Returns an Optional describing the given non- null value.

Usage

From source file:org.trustedanalytics.metricsprovider.cloudadapter.api.CfSpace.java

@JsonIgnore
public String getName() {
    Optional<CfSpace> space = Optional.of(this);
    return space.map(CfSpace::getEntity).map(CfSpaceEntity::getName).orElse(null);
}

From source file:org.openwms.common.HttpCommonGateway.java

@Override
public Optional<LocationGroup> getLocationGroup(String target) {
    try {/*from  w w  w  .  ja  va2  s .c  o m*/
        return Optional.of(commonFeignClient.getLocationGroup(target));
    } catch (Exception ex) {
        int code = translate(ex);
        if (code == 404) {
            return Optional.empty();
        } else {
            LOGGER.error(ex.getMessage(), ex);
            throw new ServiceLayerException(ex.getMessage());
        }
    }
}

From source file:com.juliuskrah.multipart.repository.impl.HibernateAccountRepository.java

@Override
public Optional<Account> findByUsername(String username) {
    CriteriaBuilder qb = this.em.getCriteriaBuilder();
    CriteriaQuery<Account> query = qb.createQuery(Account.class);
    Root<Account> root = query.from(Account.class);
    Predicate predicate = qb.like(root.get(Account_.username), username);
    query.where(predicate);/*  ww  w.  jav a2 s  .  c  o  m*/
    Query q = this.em.createQuery(query);

    return Optional.of((Account) q.getSingleResult());
}

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

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

    double heartRateValue = asRequiredDouble(listEntryNode, "HR");

    if (heartRateValue == 0) {
        return Optional.empty();
    }/*from ww w.j  a v a2s .  co  m*/

    HeartRate.Builder heartRateBuilder = new HeartRate.Builder(heartRateValue);

    getEffectiveTimeFrameAsDateTime(listEntryNode).ifPresent(heartRateBuilder::setEffectiveTimeFrame);

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

    HeartRate heartRate = heartRateBuilder.build();
    return Optional.of(new DataPoint<>(createDataPointHeader(listEntryNode, heartRate), heartRate));
}

From source file:io.gravitee.gateway.env.GatewayConfiguration.java

private void initShardingTags() {
    String systemPropertyTags = System.getProperty(SHARDING_TAGS_SYSTEM_PROPERTY);
    String tags = systemPropertyTags == null ? environment.getProperty(SHARDING_TAGS_SYSTEM_PROPERTY)
            : systemPropertyTags;/*from  w  w w. j a  v a 2 s .c o  m*/
    if (tags != null && !tags.isEmpty()) {
        shardingTags = Optional.of(Arrays.asList(tags.split(SHARDING_TAGS_SEPARATOR)));
    } else {
        shardingTags = Optional.empty();
    }
}

From source file:org.openmhealth.shim.googlefit.mapper.GoogleFitHeartRateDataPointMapper.java

@Override
protected Optional<DataPoint<HeartRate>> asDataPoint(JsonNode listNode) {

    JsonNode valueListNode = asRequiredNode(listNode, "value");
    double heartRateValue = asRequiredDouble(valueListNode.get(0), "fpVal");
    if (heartRateValue == 0) {
        return Optional.empty();
    }// w ww  . j  a v  a2s  . com
    HeartRate.Builder heartRateBuilder = new HeartRate.Builder(heartRateValue);
    setEffectiveTimeFrameIfPresent(heartRateBuilder, listNode);
    HeartRate heartRate = heartRateBuilder.build();
    Optional<String> originDataSourceId = asOptionalString(listNode, "originDataSourceId");
    return Optional.of(newDataPoint(heartRate, originDataSourceId.orElse(null)));
}

From source file:org.openmhealth.shim.googlefit.mapper.GoogleFitStepCountDataPointMapper.java

@Override
protected Optional<DataPoint<StepCount>> asDataPoint(JsonNode listNode) {

    JsonNode listValueNode = asRequiredNode(listNode, "value");
    long stepCountValue = asRequiredLong(listValueNode.get(0), "intVal");
    if (stepCountValue == 0) {
        return Optional.empty();
    }/* w w w  .jav a 2  s  . c o  m*/
    StepCount.Builder stepCountBuilder = new StepCount.Builder(stepCountValue);
    setEffectiveTimeFrameIfPresent(stepCountBuilder, listNode);
    StepCount stepCount = stepCountBuilder.build();
    Optional<String> originSourceId = asOptionalString(listNode, "originDataSourceId");
    return Optional.of(newDataPoint(stepCount, originSourceId.orElse(null)));
}

From source file:co.runrightfast.vertx.core.eventbus.MessageHeader.java

public static Optional<Failure> getFailure(@NonNull final Message message) {
    final String failureJson = message.headers().get(FAILURE.header);
    if (StringUtils.isNotBlank(failureJson)) {
        return Optional.of(new Failure(JsonUtils.parse(failureJson)));
    }//from   w w  w.  j av  a 2 s.c o m

    return Optional.empty();
}

From source file:com.formkiq.core.form.FormFinder.java

/**
 * Find {@link FormJSONField} by field id.
 * @param form {@link FormJSON}/*from   w w  w  . j  a  va 2  s  .  c o m*/
 * @param id int
 * @return {@link Optional} of {@link FormJSONField}
 */
public static Optional<FormJSONField> findField(final FormJSON form, final int id) {
    Optional<Pair<FormJSONSection, FormJSONField>> op = findSectionAndField(form, id);
    return op.isPresent() ? Optional.of(op.get().getRight()) : Optional.empty();
}

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

@Override
protected Optional<String> getMeasureUnitNodeName() {
    return Optional.of("BGUnit");
}