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:org.obiba.mica.web.model.LocalizedStringDtos.java

/**
 *
 * @param localizedMap// ww w . j a va2s  .c  om
 * @param locale Preferred locale if exists, otherwise all locales are returned
 * @return
 */
public Iterable<Mica.LocalizedStringDto> asDto(Map<String, String> localizedMap, @Nullable String locale) {
    if (localizedMap == null || localizedMap.isEmpty())
        return Collections.emptyList();
    if (locale != null && localizedMap.containsKey(locale)) {
        return Collections.singleton(Mica.LocalizedStringDto.newBuilder().setLang(locale)
                .setValue(localizedMap.get(locale)).build());
    }
    return localizedMap.entrySet().stream().map(entry -> Mica.LocalizedStringDto.newBuilder()
            .setLang(entry.getKey()).setValue(entry.getValue()).build()).collect(Collectors.toList());
}

From source file:com.developmentsprint.spring.breaker.annotations.AnnotationCircuitBreakerAttributeSource.java

/**
 * Create a custom AnnotationCircuitBreakerAttributeSource.
 * /*from  w w w.  ja v  a2  s  .co m*/
 * @param annotationParser
 *            the CircuitBreakerAnnotationParser to use
 */
public AnnotationCircuitBreakerAttributeSource(CircuitBreakerAnnotationParser annotationParser) {
    this.publicMethodsOnly = true;
    Assert.notNull(annotationParser, "CircuitBreakerAnnotationParser must not be null");
    this.annotationParsers = Collections.singleton(annotationParser);
}

From source file:ai.grakn.graql.internal.analytics.DegreeVertexProgram.java

@Override
public Set<String> getElementComputeKeys() {
    return Collections.singleton(degreePropertyKey);
}

From source file:org.cloudfoundry.identity.uaa.oauth.RemoteTokenServicesTests.java

@Test
public void testTokenRetrievalWithClientAuthorities() throws Exception {
    body.put("client_authorities", Collections.singleton("uaa.none"));
    OAuth2Authentication result = services.loadAuthentication("FOO");
    assertNotNull(result);//from   w w  w .  j ava 2 s  . com
    assertEquals("[uaa.none]", result.getAuthorizationRequest().getAuthorities().toString());
}

From source file:com.xtructure.xutil.coll.UTestListBuilder.java

public void addAndAddAllBehaveAsExpected() {
    ListBuilder<String> lb = new ListBuilder<String>();
    assertThat("", //
            lb.newInstance(), isEmpty());
    ListBuilder<String> got = lb.add("one");
    assertThat("", //
            got, isSameAs(lb));//  w ww  .j  ava 2s.  com
    assertThat("", //
            lb.newInstance(), isEqualTo(Arrays.asList("one")));
    got = lb.add("two", "three");
    assertThat("", //
            got, isSameAs(lb));
    assertThat("", //
            lb.newInstance(), isEqualTo(Arrays.asList("one", "two", "three")));
    got = lb.addAll("one", "two");
    assertThat("", //
            got, isSameAs(lb));
    assertThat("", //
            lb.newInstance(), isEqualTo(Arrays.asList("one", "two", "three", "one", "two")));
    got = lb.addAll(Collections.singleton("three"));
    assertThat("", //
            got, isSameAs(lb));
    assertThat("", //
            lb.newInstance(), isEqualTo(Arrays.asList("one", "two", "three", "one", "two", "three")));
}

From source file:com.rapidminer.operator.preprocessing.RemoveUnusedNominalValuesOperator.java

@Override
protected Collection<AttributeMetaData> modifyAttributeMetaData(ExampleSetMetaData emd, AttributeMetaData amd)
        throws UndefinedParameterError {
    amd.setValueSetRelation(SetRelation.SUBSET);
    return Collections.singleton(amd);
}

From source file:io.seldon.mf.MfFeaturesManager.java

@Autowired
public MfFeaturesManager(ExternalResourceStreamer featuresFileHandler, NewResourceNotifier notifier) {
    super(notifier, Collections.singleton(MF_NEW_LOC_PATTERN));
    this.featuresFileHandler = featuresFileHandler;
}

From source file:org.excalibur.discovery.service.p2p.DiscoveryServiceImpl.java

@Override
public <T> void registerResource(String name, T resource) throws Exception {
    registerResources(name, Collections.singleton(resource));
}

From source file:com.hp.autonomy.frontend.find.idol.beanconfiguration.IdolSecurityCustomizerImpl.java

@Override
public Collection<AuthenticationProvider> getAuthenticationProviders() {
    return Collections.singleton(communityAuthenticationProvider());
}

From source file:org.apache.drill.exec.ref.rse.ClasspathRSE.java

@Override
public Collection<ReadEntry> getReadEntries(Scan scan) throws IOException {
    ClasspathInputConfig c = scan.getSelection().getWith(ClasspathInputConfig.class);
    c.rootPath = scan.getOutputReference();
    return Collections.singleton((ReadEntry) c);
}