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.openmhealth.shim.jawbone.mapper.JawboneBodyEventsDataPointMapper.java

/**
 * Handles some of the basic measure creation activities for body event datapoints and then delegates the creation
 * of the {@link Builder} to subclasses for each individual body event {@link Measure}.
 *
 * @param listEntryNode an individual entry node from the "items" array of a Jawbone endpoint response
 *//*from  ww w .j  av a  2  s  .  c  o  m*/
@Override
protected Optional<T> getMeasure(JsonNode listEntryNode) {

    if (!containsType(listEntryNode, getBodyEventType())) {
        return Optional.empty();
    }

    Optional<Measure.Builder<T, ?>> builderOptional = newMeasureBuilder(listEntryNode);
    if (!builderOptional.isPresent()) {
        return Optional.empty();
    }

    Measure.Builder<T, ?> builder = builderOptional.get();

    setEffectiveTimeFrame(builder, listEntryNode);

    Optional<String> optionalUserNote = asOptionalString(listEntryNode, "note");
    optionalUserNote.ifPresent(builder::setUserNotes);

    return Optional.of(builder.build());
}

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From source file:co.runrightfast.component.events.impl.ComponentEventFactoryImpl.java

@Override
public <DATA> ComponentEvent<DATA> componentEvent(@NonNull final Event<DATA> event,
        @NonNull final Class<DATA> eventDataType, @NonNull final DATA data, @NonNull final String... tags) {
    final ComponentEventImpl.ComponentEventImplBuilder<DATA> builder = ComponentEventImpl.<DATA>builder()
            .componentId(componentId).event(event).data(Optional.of(data));

    if (ArrayUtils.isNotEmpty(tags)) {
        return builder.tags(Optional.of(ImmutableSet.copyOf(tags))).build();
    }//from w ww .j av  a 2  s.  co  m

    return builder.build();
}

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From source file:com.orange.ngsi2.utility.Utils.java

static public List<Entity> createListEntitiesWrongSyntax() {

    List<Entity> entities = new ArrayList<Entity>();

    Entity entityRoomDC = new Entity("DC_S1 D41", "Room");
    entityRoomDC.setAttributes("temperature", new Attribute(35.6));
    entities.add(entityRoomDC);/*from   w w  w . j a  v a2  s .c om*/

    Entity entityRoomBoe = new Entity("Boe Idearium", "Room");
    entityRoomBoe.setAttributes("temperature", new Attribute(22.5));
    entities.add(entityRoomBoe);

    Entity entityCar = new Entity("P-9873 K", "Car");
    Attribute speedAttribute = new Attribute(100);
    speedAttribute.setType(Optional.of("number"));
    Metadata accuracyMetadata = new Metadata();
    accuracyMetadata.setValue(2);
    Metadata timestampMetadata = new Metadata();
    timestampMetadata.setValue("2015-06-04T07:20:27.378Z");
    timestampMetadata.setType("date");
    speedAttribute.addMetadata("accuracy", accuracyMetadata);
    speedAttribute.addMetadata("timestamp", timestampMetadata);
    entityCar.setAttributes("speed", speedAttribute);
    entities.add(entityCar);

    return entities;
}

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

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

    JsonNode listValueNode = asRequiredNode(listNode, "value");
    // TODO isn't this just "value.fpVal"?
    double caloriesBurnedValue = asRequiredDouble(listValueNode.get(0), "fpVal");

    CaloriesBurned.Builder caloriesBurnedBuilder = new CaloriesBurned.Builder(
            new KcalUnitValue(KILOCALORIE, caloriesBurnedValue));

    setEffectiveTimeFrameIfPresent(caloriesBurnedBuilder, listNode);

    CaloriesBurned caloriesBurned = caloriesBurnedBuilder.build();
    Optional<String> originDataSourceId = asOptionalString(listNode, "originDataSourceId");

    // Google Fit calories burned endpoint returns calories burned by basal metabolic rate (BMR), however these
    // are not activity related calories burned so we do not create a datapoint for values from this source
    if (originDataSourceId.isPresent()) {
        if (originDataSourceId.get().contains("bmr")) {
            return Optional.empty();
        }/*from w w w. jav  a2s  .  co  m*/
    }

    return Optional.of(newDataPoint(caloriesBurned, originDataSourceId.orElse(null)));
}

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From source file:de.tu_dortmund.ub.data.util.TPUUtil.java

public static Optional<String> getStringConfigValue(final String configKey, final Properties config) {

    final String configValue = config.getProperty(configKey);

    final Optional<String> optionalConfigValue;

    if (configValue != null && !configValue.trim().isEmpty()) {

        optionalConfigValue = Optional.of(configValue);
    } else {// w  ww.  j av a2 s. co  m

        optionalConfigValue = Optional.empty();
    }

    return optionalConfigValue;
}

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From source file:com.spotify.apollo.http.server.ApolloRequestHandlerTest.java

@Test
public void shouldExtractFirstQueryParameter() throws Exception {
    assertThat(requestHandler.asApolloRequest(httpServletRequest).parameter("q"), is(Optional.of("abc")));
}

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From source file:io.gravitee.gateway.http.core.endpoint.impl.tenant.MultiTenantAwareEndpointLifecycleManagerTest.java

@Test
public void shouldNotStartEndpoint_notInTenant() throws Exception {
    io.gravitee.definition.model.Endpoint endpoint = mock(io.gravitee.definition.model.Endpoint.class);

    when(gatewayConfiguration.tenant()).thenReturn(Optional.of("asia"));

    when(endpoint.getTenant()).thenReturn("europe");
    when(proxy.getEndpoints()).thenReturn(Collections.singletonList(endpoint));

    endpointLifecycleManager.start();//  w w  w .j  a  va 2  s  .  co  m

    verify(applicationContext, never()).getBean(eq(HttpClient.class), any(Endpoint.class));

    assertTrue(endpointLifecycleManager.targetByEndpoint().isEmpty());
    assertTrue(endpointLifecycleManager.endpoints().isEmpty());
}

---

From source file:fi.hsl.parkandride.core.domain.prediction.AbstractPredictorTest.java

public void insertUtilization(DateTime timestamp, int spacesAvailable) {
    Utilization u = new Utilization();
    u.facilityId = utilizationKey.facilityId;
    u.capacityType = utilizationKey.capacityType;
    u.usage = utilizationKey.usage;// w  ww  .j a  va 2 s .c o  m
    u.timestamp = timestamp;
    u.spacesAvailable = spacesAvailable;
    utilizationRepository.insertUtilizations(Collections.singletonList(u));
    if (!latestInsertedUtilization.isPresent()
            || latestInsertedUtilization.get().timestamp.isBefore(timestamp)) {
        latestInsertedUtilization = Optional.of(u);
    }
}

---

From source file:com.schnobosoft.semeval.cortical.Util.java

/**
 * Read a file that contains one score per line, as a SemEval gold {@code .gs} file. Empty lines
 * are allowed and are read as missing values.
 *
 * @param scoresFile the scores file to read
 * @return a list of optional double values of the same length as the input file. For an empty
 * line, a {@link Optional#EMPTY} object is added to the output list.
 * @throws IOException//from w  ww .j  a  v a2 s.c o m
 */
public static List<Optional> readScoresFile(File scoresFile) throws IOException {
    if (!scoresFile.getName().startsWith(GS_FILE_PREFIX)) {
        throw new IllegalArgumentException(scoresFile + " does not match expected pattern.");
    }
    LOG.info("Reading scores file " + scoresFile);

    return Files.lines(scoresFile.toPath())
            .map(line -> line.isEmpty() ? Optional.empty() : Optional.of(Double.valueOf(line)))
            .collect(Collectors.toList());
}

---

From source file:lumbermill.internal.geospatial.GeoIPTest.java

@Ignore
@Test/*from   w  w  w.j av  a 2s  .  c o  m*/
public void test_geoip_some_fields() {
    GeoIP geoIP = GeoIP.Factory.create("client_ip", Optional.of("geoip2"),
            Optional.of(new File("/tmp/GeoLite2-City.mmdb")), Optional.of(asList("timezone", "location")));

    JsonEvent event = Codecs.TEXT_TO_JSON.from("Hello").put("client_ip", "37.139.156.40");
    geoIP.decorate(event);

    JsonNode geoip = event.unsafe().get("geoip2");
    assertThat(geoip.get("country_code2")).isNull();
    assertThat(geoip.get("country_code3")).isNull();
    assertThat(geoip.get("timezone").asText()).isEqualTo("Europe/Stockholm");
    assertThat(geoip.get("continent_code")).isNull();
    assertThat(geoip.get("continent_name")).isNull();
    assertThat(geoip.get("country_name")).isNull();
    assertThat(geoip.get("city_name")).isNull();
    assertThat(geoip.get("longitude")).isNull();
    assertThat(geoip.get("latitude")).isNull();
    ArrayNode location = (ArrayNode) geoip.get("location");
    assertThat(location.get(0).asDouble()).isEqualTo(13.3333);
    assertThat(location.get(1).asDouble()).isEqualTo(55.7167);
    System.out.println(event);
}

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