Example usage for java.util Collections singleton

Introduction

In this page you can find the example usage for java.util Collections singleton.

Prototype

public static <T> Set<T> singleton(T o)

Source Link

Document

Returns an immutable set containing only the specified object.

Usage

From source file:am.ik.categolj2.domain.service.user.UserServiceImplTest.java

@Test(expected = BusinessException.class)
@Transactional//from   w ww .  j av  a  2  s .  c om
public void testCreate_email_is_used() {
    User user = new User("testuser2", null, "admin@example.com", true, false, "Test", "User", null);
    user.setRoles(Collections.singleton(new Role(2)));
    userService.create(user, "password");
}

From source file:io.pravega.controller.eventProcessor.impl.EventProcessorGroupImpl.java

void initialize() throws CheckpointStoreException {

    checkpointStore.addReaderGroup(actorSystem.getProcess(),
            eventProcessorConfig.getConfig().getReaderGroupName());

    // Continue creating reader group if adding reader group to checkpoint store succeeds.

    readerGroup = createIfNotExists(actorSystem.readerGroupManager,
            eventProcessorConfig.getConfig().getReaderGroupName(),
            ReaderGroupConfig.builder().startingPosition(Sequence.MIN_VALUE).build(),
            Collections.singleton(eventProcessorConfig.getConfig().getStreamName()));

    createEventProcessors(eventProcessorConfig.getConfig().getEventProcessorCount());
}

From source file:mitm.application.djigzo.james.CertificatesTest.java

@Test
public void testSerialize() throws Exception {
    X509Certificate certificate = TestUtils
            .loadCertificate(new File("test/resources/testdata/certificates/testcertificate.cer"));

    Certificates certificates = new Certificates(Collections.singleton(certificate));

    assertEquals(1, certificates.getCertificates().size());

    byte[] serialized = SerializationUtils.serialize(certificates);

    Certificates deserialized = (Certificates) SerializationUtils.deserialize(serialized);

    assertEquals(certificates.getCertificates(), deserialized.getCertificates());
}

From source file:com.devicehive.handler.notification.NotificationSubscribeRequestHandler.java

private Collection<DeviceNotification> findNotifications(String device, Collection<String> names,
        Date timestamp) {/*from w ww  .  j a  va  2  s  .  c  o  m*/
    Collection<DeviceNotification> notifications = Collections.emptyList();
    if (timestamp != null) {
        notifications = hazelcastService.find(null, names, Collections.singleton(device), LIMIT, timestamp,
                null, null, DeviceNotification.class);
    }
    return notifications;
}

From source file:org.surfnet.oaaas.resource.ClientResourceTest.java

@Test
public void scopesShouldBeSubsetOfResourceServerScopes() {

    Client client = new Client();
    request.setAttribute(AuthorizationServerFilter.VERIFY_TOKEN_RESPONSE,
            new VerifyTokenResponse("", new ArrayList<String>(), new AuthenticatedPrincipal("user"), 0L));
    client.setScopes(Arrays.asList("Some", "arbitrary", "set"));
    client.setName("clientname");
    ResourceServer resourceServer = new ResourceServer();
    resourceServer.setScopes(Arrays.asList("read", "update", "delete"));
    when(resourceServerRepository.findByIdAndOwner(1L, "user")).thenReturn(resourceServer);

    final ConstraintViolation<Client> violation = (ConstraintViolation<Client>) mock(ConstraintViolation.class);
    Set<ConstraintViolation<Client>> violations = Collections.singleton(violation);
    when(validator.validate(client)).thenReturn(violations);
    final Response response = clientResource.put(request, 1L, client);
    assertEquals(400, response.getStatus());
    assertEquals("invalid_scope", ((ErrorResponse) response.getEntity()).getError());
}

From source file:io.pivotal.cla.data.repository.IndividualSignatureRepositoryTests.java

@Test
public void findSignatureNotUser() {
    user.setGitHubLogin("notfound" + user.getGitHubLogin());
    user.setEmails(Collections.singleton("notfound@example.com"));

    assertThat(claService.findIndividualSignaturesFor(user, cla.getName())).isNull();
    ;//from  w  ww  .  j  av a2s. c o m
}

From source file:com.github.thorbenlindhauer.cluster.ep.TruncatedGaussianPotentialResolver.java

@Override
public FactorSet<GaussianFactor> project(FactorSet<GaussianFactor> additionalFactors, Scope projectionScope) {

    if (projectionScope.size() != 1 || !projectionScope.contains(predictionVariable.getId())) {
        throw new InferenceException("Can only project on variable " + predictionVariable.getId()
                + " not on scope " + projectionScope);
    }/*from w w w.  java2 s .  co m*/

    for (GaussianFactor factor : additionalFactors.getFactors()) {
        Scope factorScope = factor.getVariables();
        if (factorScope.size() != 1 || !factorScope.contains(predictionVariable.getId())) {
            throw new InferenceException(
                    "Can only project univariate gaussians over variable " + predictionVariable.getId());
        }
    }

    GaussianFactor jointFactor = FactorUtil.jointDistribution(additionalFactors.getFactors());

    double jointVariance = jointFactor.getCovarianceMatrix().getEntry(0, 0);
    double jointStandardDeviation = Math.sqrt(jointVariance);
    double jointMean = jointFactor.getMeanVector().getEntry(0);

    double adjustedLowerBound = lowerBound / jointStandardDeviation;
    double adjustedUpperBound = upperBound / jointStandardDeviation;
    double adjustedMean = jointMean / jointStandardDeviation;

    double vValue = vValue(adjustedMean, adjustedLowerBound, adjustedUpperBound);
    double wValue = wValue(vValue, adjustedMean, adjustedLowerBound, adjustedUpperBound);

    double truncatedMean = jointMean + (jointStandardDeviation * vValue);
    double truncatedVariance = jointVariance * (1 - wValue);

    GaussianFactor approximationFactor = CanonicalGaussianFactor.fromMomentForm(projectionScope,
            new ArrayRealVector(new double[] { truncatedMean }),
            new Array2DRowRealMatrix(new double[] { truncatedVariance }));

    return new FactorSet<GaussianFactor>(Collections.singleton(approximationFactor));
}

From source file:edu.northwestern.bioinformatics.studycalendar.web.AssignSubjectCommandTest.java

@Override
protected void setUp() throws Exception {
    super.setUp();
    subjectService = registerMockFor(SubjectService.class);
    subjectDao = registerDaoMockFor(SubjectDao.class);

    subject = createSubject("11", "Fred", "Jones", BIRTH_DATE, Gender.MALE);
    studySegment = setId(17, edu.northwestern.bioinformatics.studycalendar.core.Fixtures
            .createNamedInstance("Worcestershire", StudySegment.class));
    Study study = createNamedInstance("Study A", Study.class);
    Site site = createNamedInstance("Northwestern", Site.class);
    studySite = setId(14, createStudySite(study, site));
    populations = Collections.singleton(new Population());

    command = new AssignSubjectCommand();
    command.setSubjectService(subjectService);
    command.setSubjectDao(subjectDao);/*from w w w  .  j  av a2  s.c  o  m*/
    command.setFirstName(subject.getFirstName());
    command.setLastName(subject.getLastName());
    command.setPersonId(subject.getPersonId());
    command.setGender(subject.getGender().getCode());
    command.setDateOfBirth(BIRTH_DATE_S);
    command.setRadioButton(NEW);
    command.setIdentifier(subject.getPersonId());
    command.setStartDate(START_DATE_S);
    command.setStudySubjectId(STUDY_SUBJECT_ID);
    command.setStudy(study);
    command.setSite(site);
    command.setStudySegment(studySegment);
    command.setPopulations(populations);

    assignment = new StudySubjectAssignment();
    assignment.setSubject(subject);
}

From source file:org.openmrs.module.emrapi.concept.EmrConceptServiceComponentTest.java

@Test
public void testConceptSearchByName() throws Exception {
    Map<String, Concept> concepts = setupConcepts();
    ConceptClass diagnosis = conceptService.getConceptClassByName("Diagnosis");

    List<ConceptSearchResult> searchResults = emrConceptService.conceptSearch("malaria", Locale.ENGLISH,
            Collections.singleton(diagnosis), null, null, null);

    assertThat(searchResults.size(), is(2));

    ConceptSearchResult firstResult = searchResults.get(0);
    ConceptSearchResult otherResult = searchResults.get(1);

    assertThat(firstResult.getConcept(), is(concepts.get("malaria")));
    assertThat(firstResult.getConceptName().getName(), is("Malaria"));

    assertThat(otherResult.getConcept(), is(concepts.get("cerebral malaria")));
    assertThat(otherResult.getConceptName().getName(), is("Cerebral Malaria"));
}

From source file:com.opengamma.financial.analytics.UnitPositionTradeScalingFunction.java

@Override
public Set<ValueSpecification> getResults(final FunctionCompilationContext context,
        final ComputationTarget target, final Map<ValueSpecification, ValueRequirement> inputs) {
    // Result properties are anything that was common to the input specifications
    ValueProperties common = null;/*www . j a v  a  2s . co m*/
    for (ValueSpecification input : inputs.keySet()) {
        common = SumUtils.addProperties(common, input.getProperties());
    }
    if (common == null) {
        // Can't have been any inputs ... ?
        return null;
    }
    common = common.copy().withoutAny(ValuePropertyNames.FUNCTION)
            .with(ValuePropertyNames.FUNCTION, getUniqueId()).get();
    return Collections.singleton(new ValueSpecification(_requirementName, target.toSpecification(), common));
}