Example usage for java.util Collections singleton

List of usage examples for java.util Collections singleton

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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:com.mauersu.util.redis.DefaultSetOperations.java

public Set<V> intersect(K key, K otherKey) {
    return intersect(key, Collections.singleton(otherKey));
}

From source file:it.anyplace.sync.discovery.protocol.ld.LocalDiscorveryHandler.java

public List<DeviceAddress> queryAndClose(String deviceId) {
    return queryAndClose(Collections.singleton(deviceId));
}

From source file:edu.emory.bmi.aiw.i2b2export.output.VisitDataRowOutputFormatter.java

@Override
protected Collection<Observation> matchingObservations(I2b2ConceptEntity i2b2Concept) throws SQLException {
    switch (StringUtils.upperCase(i2b2Concept.getTableName())) {
    case "CONCEPT_DIMENSION":
        List<Observation> obxs = this.keyToObx.get(i2b2Concept.getI2b2Key());
        if (obxs != null) {
            return Collections.unmodifiableCollection(obxs);
        } else {// w  w w  .  j a  v a  2s . c  o m
            return Collections.emptyList();
        }
    case "PATIENT_DIMENSION":
        Patient patient = this.visit.getPatient();
        if (compareDimensionColumnValue(i2b2Concept, patient)) {
            Observation.Builder b = new Observation.Builder(this.visit).tval(getParam(patient, i2b2Concept));
            Collection<Observation> o = Collections.singleton(b.build());
            return o;
        } else {
            return Collections.emptyList();
        }
    case "VISIT_DIMENSION":
        return null;
    default:
        return Collections.emptyList();
    }

}

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

@Override
public CodeTemplate getCodeTemplate(String codeTemplateId) {
    try {// w w  w . j a  v  a2s .  c o  m
        List<CodeTemplate> codeTemplates = codeTemplateController
                .getCodeTemplates(Collections.singleton(codeTemplateId));
        if (CollectionUtils.isEmpty(codeTemplates)) {
            throw new MirthApiException(Status.NOT_FOUND);
        }
        return codeTemplates.iterator().next();
    } catch (ControllerException e) {
        throw new MirthApiException(e);
    }
}

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

@Override
@CheckAuthorizedChannelId//from  w  w w.  j av a  2  s .c  om
public void startChannel(String channelId, boolean returnErrors) {
    ErrorTaskHandler handler = new ErrorTaskHandler();
    engineController.startChannels(Collections.singleton(channelId), handler);
    if (returnErrors && handler.isErrored()) {
        throw new MirthApiException(handler.getError());
    }
}

From source file:ch.cyberduck.cli.CommandLinePathParserTest.java

@Test
public void testParseProfile() throws Exception {
    final ProtocolFactory factory = new ProtocolFactory(
            new HashSet<>(Collections.singleton(new SwiftProtocol() {
                @Override/*w w w  .  j av  a2  s . c  o m*/
                public boolean isEnabled() {
                    return true;
                }
            })));
    final ProfilePlistReader reader = new ProfilePlistReader(factory,
            new DeserializerFactory(PlistDeserializer.class.getName()));
    final Profile profile = reader.read(new Local("../profiles/default/Rackspace US.cyberduckprofile"));
    assertNotNull(profile);

    final CommandLineParser parser = new PosixParser();
    final CommandLine input = parser.parse(new Options(), new String[] {});

    assertEquals(new Path("/cdn.cyberduck.ch", EnumSet.of(Path.Type.directory, Path.Type.volume)),
            new CommandLinePathParser(input,
                    new ProtocolFactory(new HashSet<>(Arrays.asList(new SwiftProtocol(), profile))))
                            .parse("rackspace://u@cdn.cyberduck.ch/"));
    assertEquals(new Path("/", EnumSet.of(Path.Type.directory, Path.Type.volume)),
            new CommandLinePathParser(input,
                    new ProtocolFactory(new HashSet<>(Arrays.asList(new SwiftProtocol(), profile))))
                            .parse("rackspace:///"));
}

From source file:com.amalto.core.server.MetadataRepositoryAdminImpl.java

public Set<Expression> getIndexedExpressions(String dataModelName) {
    if (XSystemObjects.DM_UPDATEREPORT.getName().equals(dataModelName)) { // Indexed expressions for UpdateReport
        MetadataRepository repository = get(dataModelName);
        // Index Concept field (used in JournalStatistics for the top N types)
        ComplexTypeMetadata updateType = repository.getComplexType("Update"); //$NON-NLS-1$
        return Collections
                .singleton(from(updateType).where(isNull(updateType.getField("Concept"))).getExpression()); //$NON-NLS-1$
    }//from   ww w.  j a v a 2 s .  c o  m
    synchronized (metadataRepository) {
        ViewPOJO view = null;
        try {
            MetadataRepository repository = get(dataModelName);
            View viewCtrlLocal = Util.getViewCtrlLocal();
            Set<Expression> indexedExpressions = new HashSet<Expression>();
            for (Object viewAsObject : viewCtrlLocal.getAllViews(".*")) { //$NON-NLS-1$
                UserQueryBuilder qb = null;
                view = (ViewPOJO) viewAsObject;
                ArrayList<String> searchableElements = view.getSearchableBusinessElements().getList();
                for (String searchableElement : searchableElements) {
                    String typeName = StringUtils.substringBefore(searchableElement, "/"); //$NON-NLS-1$
                    ComplexTypeMetadata userType = repository.getComplexType(typeName);
                    if (userType != null) {
                        if (qb == null) {
                            qb = from(userType);
                        } else {
                            qb.and(userType);
                        }
                        String fieldName = StringUtils.substringAfter(searchableElement, "/"); //$NON-NLS-1$
                        if (userType.hasField(fieldName)) {
                            qb.where(UserQueryBuilder.isEmpty(userType.getField(fieldName)));
                        }
                    } else {
                        if (LOGGER.isDebugEnabled()) {
                            LOGGER.debug("View '" + view.getPK().getUniqueId()
                                    + "' does not apply to data model '" + dataModelName + "'.");
                        }
                        break; // View does not apply to model
                    }
                }
                if (qb != null) {
                    for (IWhereItem condition : view.getWhereConditions().getList()) {
                        qb.where(UserQueryHelper.buildCondition(qb, condition, repository));
                    }
                    indexedExpressions.add(qb.getExpression());
                }
            }
            return indexedExpressions;
        } catch (Exception e) {
            if (view != null) {
                throw new RuntimeException("Can not use view '" + view.getPK().getUniqueId()
                        + "' with data model '" + dataModelName + "': " + e.getMessage(), e);
            } else {
                throw new RuntimeException("Could not get indexed fields.", e);
            }
        }
    }
}

From source file:com.opengamma.financial.analytics.model.equity.variance.EquityForwardFromSpotAndYieldCurveFunction.java

@Override
public Set<ComputedValue> execute(FunctionExecutionContext executionContext, FunctionInputs inputs,
        ComputationTarget target, Set<ValueRequirement> desiredValues) {

    // 1. Get the expiry _time_ from the trade
    EquityVarianceSwapSecurity security = (EquityVarianceSwapSecurity) target.getSecurity();
    double expiry = TimeCalculator.getTimeBetween(executionContext.getValuationClock().zonedDateTime(),
            security.getLastObservationDate());

    // ExternalId id = security.getSpotUnderlyingIdentifier();

    // 2. Get the discount curve and spot value
    Object discountObject = inputs.getValue(getDiscountRequirement(security));
    if (discountObject == null) {
        throw new OpenGammaRuntimeException("Could not get Discount Curve");
    }/*  www  . jav a  2 s . c  om*/
    YieldAndDiscountCurve discountCurve = (YieldAndDiscountCurve) discountObject;

    Object spotObject = inputs.getValue(getSpotRequirement(security));
    if (spotObject == null) {
        throw new OpenGammaRuntimeException("Could not get Underlying's Spot value");
    }
    double spot = (Double) spotObject;

    // 3. Compute the forward
    final double discountFactor = discountCurve.getDiscountFactor(expiry);
    Validate.isTrue(discountFactor != 0,
            "The discount curve has returned a zero value for a discount bond. Check rates.");
    final double forward = spot / discountFactor;

    ValueSpecification valueSpec = getValueSpecification(security);
    return Collections.singleton(new ComputedValue(valueSpec, forward));
}

From source file:com.github.rnewson.couchdb.lucene.DocumentConverter.java

public Collection<Document> convert(final CouchDocument doc, final ViewSettings defaults,
        final Database database) throws IOException, ParseException, JSONException {
    final Object result;
    final Scriptable scriptable = convertObject(doc.asJson());

    try {//  w ww  . j  av a 2  s .c  o  m
        result = viewFun.call(context, scope, null, new Object[] { scriptable });
    } catch (final JavaScriptException e) {
        LOG.warn(doc + " caused exception during conversion.", e);
        return NO_DOCUMENTS;
    }

    if (result == null || result instanceof Undefined) {
        return NO_DOCUMENTS;
    }

    if (result instanceof RhinoDocument) {
        final RhinoDocument rhinoDocument = (RhinoDocument) result;
        final Document document = rhinoDocument.toDocument(doc.getId(), defaults, database);
        return Collections.singleton(document);
    }

    if (result instanceof NativeArray) {
        final NativeArray nativeArray = (NativeArray) result;
        final Collection<Document> arrayResult = new ArrayList<Document>((int) nativeArray.getLength());
        for (int i = 0; i < (int) nativeArray.getLength(); i++) {
            if (nativeArray.get(i, null) instanceof RhinoDocument) {
                final RhinoDocument rhinoDocument = (RhinoDocument) nativeArray.get(i, null);
                final Document document = rhinoDocument.toDocument(doc.getId(), defaults, database);
                arrayResult.add(document);
            }
        }
        return arrayResult;
    }

    return null;
}

From source file:app.api.swagger.SwaggerConfig.java

private Set<String> defaultMediaType() {
    return Collections.singleton(MediaType.APPLICATION_JSON_VALUE);
}