Example usage for java.util Collections emptySet

List of usage examples for java.util Collections emptySet

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Introduction

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

Prototype

@SuppressWarnings("unchecked")
public static final <T> Set<T> emptySet()

Source Link

Document

Returns an empty set (immutable).

Usage

From source file:io.fabric8.elasticsearch.plugin.auth.OpenShiftTokenAuthenticationTest.java

@Test
public void testAuthenticate() throws Exception {
    when(apiService.localSubjectAccessReview(anyString(), anyString(), anyString(), anyString(), anyString(),
            eq(ArrayUtils.EMPTY_STRING_ARRAY))).thenReturn(true);
    when(contextFactory.create(any(RestRequest.class))).thenReturn(context);

    threadContext.putTransient(ConfigurationSettings.OPENSHIFT_REQUEST_CONTEXT,
            new OpenshiftRequestContext(username, "atoken", false, Collections.emptySet(), null, null));

    User expUser = new User(username);
    expUser.addRole(BaseRolesSyncStrategy.formatUserRoleName(username));
    expUser.addRole(BaseRolesSyncStrategy.formatUserKibanaRoleName(username));
    expUser.addRole(SearchGuardRolesMapping.ADMIN_ROLE);
    expUser.addRole("prometheus");

    User user = backend.authenticate(new AuthCredentials(username));
    assertEquals(expUser, user);//from   w w w.  jav  a 2  s  .  co  m
}

From source file:com.phoenixnap.oss.ramlapisync.data.ApiActionMetadata.java

public Set<ApiParameterMetadata> getRequestHeaders() {
    if (requestHeaders == null) {
        return Collections.emptySet();
    }//from w  ww.  j a  v  a 2  s  . c o  m

    return requestHeaders;
}

From source file:com.ikanow.aleph2.analytics.spark.services.SparkPyWrapperService.java

/** Returns a union of all the types (for convenience)
 * @return/*from  w w w  .jav  a  2 s . c  om*/
 */
@SuppressWarnings("unchecked")
public JavaRDD<Map<String, Object>> getAllRddInputs() {
    initializeRdd(Collections.emptySet());

    // (not sure why the cast is needed, eclipse happy but maven fails)
    return (JavaRDD<Map<String, Object>>) _rdd_set.get().values().stream()
            .reduce((acc1, acc2) -> acc1.union(acc2))
            .<JavaRDD<Map<String, Object>>>map(rdd -> rdd
                    .<Map<String, Object>>map(t2 -> _mapper.convertValue(t2._2()._2().getJson(), Map.class)))
            .orElse(null);
}

From source file:com.cognifide.aet.cleaner.processors.GetMetadataArtifactsProcessor.java

private Set<String> traverseComparators(Step step) {
    Set<String> stepArtifacts = Collections.emptySet();
    if (step.getComparators() != null) {
        stepArtifacts = FluentIterable.from(step.getComparators()).filter(STEP_RESULTS_WITH_ARTIFACT_ID)
                .transform(COMPARATOR_TO_ARTIFACT_ID).toSet();
    }//from   w w  w  .  j  a  va2  s  .  co m
    return stepArtifacts;
}

From source file:de.cosmocode.palava.ipc.xml.rpc.HttpHandler.java

private Set<Cookie> getCookies(HttpRequest request) {
    final CookieDecoder decoder = new CookieDecoder();
    final String cookieString = request.getHeader(Names.COOKIE);
    if (StringUtils.isBlank(cookieString))
        return Collections.emptySet();
    return decoder.decode(cookieString);
}

From source file:alfio.manager.user.UserManager.java

public Collection<Role> getAvailableRoles(String username) {
    User user = findUserByUsername(username);
    return isAdmin(user) || isOwner(user)
            ? EnumSet.of(Role.OWNER, Role.OPERATOR, Role.SUPERVISOR, Role.SPONSOR, Role.API_CONSUMER)
            : Collections.emptySet();
}

From source file:com.devicehive.service.DeviceCommandServiceTest.java

@Test
@DirtiesContext(methodMode = DirtiesContext.MethodMode.BEFORE_METHOD)
public void testFindCommandsByGuid() throws Exception {
    final List<String> guids = IntStream.range(0, 5).mapToObj(i -> UUID.randomUUID().toString())
            .collect(Collectors.toList());
    final Date timestampSt = timestampService.getDate();
    final Date timestampEnd = timestampService.getDate();
    final String parameters = "{\"param1\":\"value1\",\"param2\":\"value2\"}";

    final Set<String> guidsForSearch = new HashSet<>(Arrays.asList(guids.get(0), guids.get(2), guids.get(3)));

    final Map<String, DeviceCommand> commandMap = guidsForSearch.stream()
            .collect(Collectors.toMap(Function.identity(), guid -> {
                DeviceCommand command = new DeviceCommand();
                command.setId(System.nanoTime());
                command.setDeviceGuid(guid);
                command.setCommand(RandomStringUtils.randomAlphabetic(10));
                command.setTimestamp(timestampService.getDate());
                command.setParameters(new JsonStringWrapper(parameters));
                command.setStatus(DEFAULT_STATUS);
                return command;
            }));/*w w  w  .  ja v a  2  s.  c  om*/

    when(requestHandler.handle(any(Request.class))).then(invocation -> {
        Request request = invocation.getArgumentAt(0, Request.class);
        String guid = request.getBody().cast(CommandSearchRequest.class).getGuid();
        CommandSearchResponse response = new CommandSearchResponse();
        response.setCommands(Collections.singletonList(commandMap.get(guid)));
        return Response.newBuilder().withBody(response).buildSuccess();
    });

    deviceCommandService.find(guidsForSearch, Collections.emptySet(), timestampSt, timestampEnd, DEFAULT_STATUS)
            .thenAccept(commands -> {
                assertEquals(3, commands.size());
                assertEquals(new HashSet<>(commandMap.values()), new HashSet<>(commands));
            }).get(15, TimeUnit.SECONDS);

    verify(requestHandler, times(3)).handle(argument.capture());
}

From source file:edu.cornell.mannlib.vitro.webapp.controller.admin.WaitForBackgroundThreadsController.java

/**
 * Wait until all background threads have become idle, or until the time
 * limit is passed. Return the names of any that are still active; hopefully
 * an empty list.// w ww .  ja va  2  s .  co m
 */
private Collection<String> waitForThreads(int maximumWait) {
    int elapsedSeconds = 0;

    while (true) {
        Collection<String> threadNames = getNamesOfBusyThreads();
        if (threadNames.isEmpty()) {
            return Collections.emptySet();
        }

        try {
            log.debug("Waiting for " + POLLING_INTERVAL + " seconds.");
            Thread.sleep(POLLING_INTERVAL * 1000);
        } catch (InterruptedException e) {
            // Why would this happen? Anyway, stop waiting.
            return Collections.singleton("Polling was interrupted");
        }

        elapsedSeconds += POLLING_INTERVAL;
        if (elapsedSeconds >= maximumWait) {
            return threadNames;
        }
    }
}

From source file:org.apache.tuscany.sca.binding.rest.provider.RESTBindingInvoker.java

private RestClient createRestClient(HttpClient httpClient) {
    ClientConfig config = new ApacheHttpClientConfig(httpClient);

    // configureBasicAuth(config, userName, password);

    config.applications(new Application() {

        @Override//ww  w.j a  v a2 s.c  o  m
        public Set<Class<?>> getClasses() {
            return Collections.emptySet();
        }

        @Override
        public Set<Object> getSingletons() {
            Set<Object> providers = new HashSet<Object>();
            providers.add(new DataBindingJAXRSReader(registry));
            providers.add(new DataBindingJAXRSWriter(registry));
            return providers;
        }

    });

    config.readTimeout(binding.getReadTimeout());
    RestClient client = new RestClient(config);

    // Default to GET for RPC
    httpMethod = HttpMethod.GET;

    for (Map.Entry<Class<?>, String> e : mapping.entrySet()) {
        if (operation.getAttributes().get(e.getKey()) != null) {
            httpMethod = e.getValue();
            break;
        }
    }

    if (operation.getOutputType() != null && !operation.getOutputType().getLogical().isEmpty()) {
        responseType = operation.getOutputType().getLogical().get(0).getPhysical();
    } else {
        responseType = null;
    }
    return client;
}

From source file:ca.sqlpower.object.SPSimpleVariableResolver.java

public Collection<Object> matches(String key, String partialValue) {
    // Call the subclass hook.
    this.beforeLookups(key);

    String namespace = SPVariableHelper.getNamespace(key);
    if (this.resolvesNamespace(namespace)) {
        Set<Object> matches = new HashSet<Object>();
        Collection<Object> values = this.resolveCollection(key);
        for (Object obj : values) {
            String stringRep = obj.toString();
            if (stringRep.startsWith(partialValue)) {
                matches.add(obj);/*  w w w .  jav a 2 s . com*/
            }
        }
        return matches;
    }
    return Collections.emptySet();
}