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.apereo.services.persondir.support.StubPersonAttributeDao.java

@Override
public Set<IPersonAttributes> getPeopleWithMultivaluedAttributes(final Map<String, List<Object>> query) {
    if (query == null) {
        throw new IllegalArgumentException("Illegal to invoke getPeople(Map) with a null argument.");
    }/*from w w w.  ja  v a 2 s  .  co  m*/

    if (this.backingPerson == null) {
        return null;
    }
    return Collections.singleton(this.backingPerson);
}

From source file:com.griddynamics.jagger.engine.e1.reporting.WorkloadProcessTimePlotsReporter.java

@Override
public JRDataSource getDataSource(String testId) {
    if (taskPlots == null) {
        taskPlots = createTaskPlots();/*  w w w.  j av a  2 s. c  o  m*/
    }

    return new JRBeanCollectionDataSource(Collections.singleton(taskPlots.get(testId)));
}

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

@Override
public Set<ValueRequirement> getRequirements(final FunctionCompilationContext context,
        final ComputationTarget target, final ValueRequirement desiredValue) {
    final Position position = target.getPosition();
    final Security security = position.getSecurity();
    final ValueRequirement requirement = new ValueRequirement(_requirementName, ComputationTargetType.SECURITY,
            security.getUniqueId(), desiredValue.getConstraints().withoutAny(ValuePropertyNames.FUNCTION));
    return Collections.singleton(requirement);
}

From source file:com.mirth.connect.server.api.servlets.EngineServlet.java

@Override
@CheckAuthorizedChannelId// w w  w.  j a  va 2  s.c  o  m
public void undeployChannel(String channelId, boolean returnErrors) {
    ErrorTaskHandler handler = new ErrorTaskHandler();
    engineController.undeployChannels(Collections.singleton(channelId), context, handler);
    if (returnErrors && handler.isErrored()) {
        throw new MirthApiException(handler.getError());
    }
}

From source file:edu.pitt.dbmi.ccd.db.service.DataFileService.java

public DataFile findByIdAndUserAccount(Long id, UserAccount userAccount) {
    return dataFileRepository.findByIdAndUserAccounts(id, Collections.singleton(userAccount));
}

From source file:com.devicehive.defects.Defect157CommandTest.java

@Before
public void prepareCommands() {
    DeviceClassEquipmentVO equipment = DeviceFixture.createEquipmentVO();
    DeviceClassUpdate deviceClass = DeviceFixture.createDeviceClass();
    deviceClass.setEquipment(Optional.of(Collections.singleton(equipment)));
    NetworkVO network = DeviceFixture.createNetwork();
    DeviceUpdate deviceUpdate = DeviceFixture.createDevice(guid);
    deviceUpdate.setDeviceClass(Optional.of(deviceClass));
    deviceUpdate.setNetwork(Optional.of(network));

    // register device
    Response response = performRequest("/device/" + guid, "PUT", emptyMap(),
            singletonMap(HttpHeaders.AUTHORIZATION, tokenAuthHeader(ACCESS_KEY)), deviceUpdate, NO_CONTENT,
            null);//ww w  .  j a  va  2  s .  co  m
    assertNotNull(response);

    {
        DeviceCommand command = createDeviceCommand("c1", "s2");
        command = performRequest("/device/" + guid + "/command", "POST", emptyMap(),
                singletonMap(HttpHeaders.AUTHORIZATION, tokenAuthHeader(ACCESS_KEY)), command, CREATED,
                DeviceCommand.class);

        assertNotNull(command.getId());
    }

    {
        DeviceCommand command = createDeviceCommand("c2", "s1");
        command = performRequest("/device/" + guid + "/command", "POST", emptyMap(),
                singletonMap(HttpHeaders.AUTHORIZATION, tokenAuthHeader(ACCESS_KEY)), command, CREATED,
                DeviceCommand.class);

        assertNotNull(command.getId());
    }

    {
        DeviceCommand command = createDeviceCommand("c3", "s3");
        command = performRequest("/device/" + guid + "/command", "POST", emptyMap(),
                singletonMap(HttpHeaders.AUTHORIZATION, tokenAuthHeader(ACCESS_KEY)), command, CREATED,
                DeviceCommand.class);

        assertNotNull(command.getId());
    }
}

From source file:com.github.sps.metrics.opentsdb.OpenTsdb.java

/**
 * Send a metric to opentsdb
 */
public void send(OpenTsdbMetric metric) {
    send(Collections.singleton(metric));
}

From source file:com.opengamma.financial.analytics.model.equity.indexoption.EquityIndexOptionDefaultPropertiesFunction.java

@Override
protected Set<String> getDefaultValue(FunctionCompilationContext context, ComputationTarget target,
        ValueRequirement desiredValue, String propertyName) {
    if (YieldCurveFunction.PROPERTY_FUNDING_CURVE.equals(propertyName)) {
        return Collections.singleton(_fundingCurveName);
    } else if (ValuePropertyNames.SURFACE.equals(propertyName)) {
        return Collections.singleton(_volSurfaceName);
    } else if (BlackVolatilitySurfacePropertyNamesAndValues.PROPERTY_SMILE_INTERPOLATOR.equals(propertyName)) {
        return Collections.singleton(_smileInterpolator);
    }/*  w  ww  . ja  v a 2  s. c  om*/
    return null;
}

From source file:pl.nask.hsn2.service.FailedRequestTest.java

@SuppressWarnings("unused")
private void defineTestsExpectations() throws Exception {
    final DataResponse dataResponse = new DataResponse(1L);
    final ObjectResponse saveObjectsResponse = new ObjectResponse(
            pl.nask.hsn2.bus.operations.ObjectResponse.ResponseType.SUCCESS_PUT);
    saveObjectsResponse.setObjects(Collections.singleton(1L));
    new NonStrictExpectations() {
        {//from  ww  w  . ja va2  s  .c  o m
            // Sends data to Data Store as a byte array.
            connector.sendDataStoreData(anyLong, withInstanceOf(byte[].class));
            result = dataResponse;

            // Sends data to Data Store as an input stream.
            connector.sendDataStoreData(anyLong, withInstanceOf(InputStream.class));
            result = dataResponse;

            // Updating job context with new attributes.
            connector.updateObject(anyLong, withInstanceOf(ObjectData.class));
            result = saveObjectsResponse;
            forEachInvocation = new Object() {
                void validate(long jobId, ObjectData data) {
                    MockTestsHelper.connectorUpdatesObject(data, updatedAttributes);
                }
            };
        }
    };

    new NonStrictExpectations() {
        final WebClientDataStoreHelper wcHelper = null;
        {
            // Get cookies from Data Store.
            WebClientDataStoreHelper.getCookiesFromDataStore(connector, anyLong, anyLong);
            result = COOKIE_WRAPPERS;
        }
    };
}

From source file:org.commonjava.maven.galley.transport.htcli.internal.AbstractHttpJob.java

protected AbstractHttpJob(final String url, final HttpLocation location, final Http http,
        final Integer... successStatuses) {
    this.url = url;
    this.location = location;
    this.http = http;

    if (successStatuses.length < 1) {
        this.successStatuses = Collections.singleton(HttpStatus.SC_OK);
    } else {/*from w  ww.j  a  v  a  2 s .  com*/
        this.successStatuses = Arrays.asList(successStatuses);
    }
}