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:com.hp.autonomy.searchcomponents.hod.parametricvalues.HodParametricValuesService.java

@Override
@Cacheable(CacheNames.PARAMETRIC_VALUES)
public Set<QueryTagInfo> getAllParametricValues(final HodParametricRequest parametricRequest)
        throws HodErrorException {
    final Collection<String> fieldNames = new HashSet<>();
    fieldNames.addAll(parametricRequest.getFieldNames());
    if (fieldNames.isEmpty()) {
        fieldNames.addAll(fieldsService.getParametricFields(new HodFieldsRequest.Builder()
                .setDatabases(parametricRequest.getQueryRestrictions().getDatabases()).build()));
    }/*from w  w  w.j av  a  2s  .c  o  m*/

    final Set<QueryTagInfo> results;
    if (fieldNames.isEmpty()) {
        results = Collections.emptySet();
    } else {
        final ResourceIdentifier queryProfile = parametricRequest.isModified() ? getQueryProfile() : null;

        final GetParametricValuesRequestBuilder parametricParams = new GetParametricValuesRequestBuilder()
                .setQueryProfile(queryProfile).setSort(ParametricSort.document_count)
                .setText(parametricRequest.getQueryRestrictions().getQueryText())
                .setFieldText(parametricRequest.getQueryRestrictions().getFieldText())
                .setMaxValues(parametricRequest.getMaxValues());

        final FieldNames parametricFieldNames = getParametricValuesService.getParametricValues(fieldNames,
                new ArrayList<>(parametricRequest.getQueryRestrictions().getDatabases()), parametricParams);
        final Set<String> fieldNamesSet = parametricFieldNames.getFieldNames();

        results = new HashSet<>();
        for (final String name : fieldNamesSet) {
            final Set<QueryTagCountInfo> values = new HashSet<>(
                    parametricFieldNames.getValuesAndCountsForFieldName(name));
            if (!values.isEmpty()) {
                results.add(new QueryTagInfo(name, values));
            }
        }
    }

    return results;
}

From source file:com.kildeen.visor.core.api.permission.DefaultPermissionConverter.java

@Override
public Set<Permission> deserializeAll(final Collection<String> deserialized) {
    if (CollectionUtils.isNotEmpty(deserialized)) {
        Set<Permission> deserializedPermissions = new ListOrderedSet<>();
        for (String permission : deserialized) {
            deserializedPermissions.add(deserialize(permission));
        }/*w ww. j  a v  a  2  s .c o m*/
        return deserializedPermissions;
    } else {
        return Collections.emptySet();
    }

}

From source file:com.griddynamics.jagger.monitoring.reporting.SystemUnderTestPlotsGeneralProvider.java

@Override
public JRDataSource getDataSource(String groupName) {
    log.debug("Report for param group with name {} requested", groupName);
    if (!this.enable) {
        return new JRBeanCollectionDataSource(Collections.emptySet());
    }//ww  w  .  j  av a 2 s  .c o  m

    if (taskPlots == null) {
        log.debug("Initing task plots");
        taskPlots = createTaskPlots();
    }

    loadMonitoringMap();

    log.debug("Loading data for task id {}", groupName);
    List<MonitoringReporterData> data = taskPlots.get(groupName);

    if (data == null) {
        log.debug("Data not found for task {}", groupName);
        String monitoringTaskId = relatedMonitoringTask(groupName);
        log.debug("Related task {}", monitoringTaskId);
        data = taskPlots.get(monitoringTaskId);
    }

    if (data == null) {
        log.warn("SuT plots not found for task with id {}", groupName);
        log.warn("Check that MonitoringAggregator is configured!!!");
    }

    return new JRBeanCollectionDataSource(data);
}

From source file:com.ge.predix.acs.service.policy.matcher.PolicyMatcherImplTest.java

@BeforeClass
public void setup() {
    this.policyMatcher = new PolicyMatcherImpl();
    MockitoAnnotations.initMocks(this);
    when(this.attributeReaderFactory.getResourceAttributeReader())
            .thenReturn(this.defaultResourceAttributeReader);
    when(this.attributeReaderFactory.getSubjectAttributeReader())
            .thenReturn(this.defaultSubjectAttributeReader);
    when(this.defaultResourceAttributeReader.getAttributes(anyString())).thenReturn(Collections.emptySet());
    BaseSubject subject = new BaseSubject("test-subject");
    subject.setAttributes(new HashSet<>());
    when(this.defaultSubjectAttributeReader.getAttributesByScope(anyString(), anySetOf(Attribute.class)))
            .thenReturn(subject.getAttributes());
}

From source file:py.una.pol.karaku.replication.client.ReplicationLogic.java

/**
 * @return/*from ww  w  .ja  v  a  2s  .com*/
 */
@Override
@Transactional
public Set<ReplicationInfo> getReplicationsToDo() {

    List<ReplicationInfo> loaded = dao.getAll(getBaseWhere(), getSearchParam());

    if (loaded == null) {
        return Collections.emptySet();
    }

    Set<ReplicationInfo> toRet = new HashSet<ReplicationInfo>(loaded.size());

    for (ReplicationInfo ri : loaded) {

        Calendar now = dateProvider.getNowCalendar();
        if (now.after(getNextSync(ri))) {
            toRet.add(loadClass(ri));
        }
    }

    return toRet;
}

From source file:com.scvngr.levelup.core.model.util.JsonUtilsTest.java

/**
 * Tests {@link com.scvngr.levelup.core.model.util.JsonUtils#optIntegerSet(org.json.JSONObject, String)}.
 *
 * @throws org.json.JSONException if there's a parse error.
 *//*from   w ww .j  a  v a2  s  .c o  m*/
public void testIntegerSet() throws JSONException {
    final JSONObject object1 = new JSONObject("{ 'test': null }");

    Set<Integer> ints = JsonUtils.optIntegerSet(object1, "test");

    assertNull(ints);

    final JSONObject object2 = new JSONObject("{ 'test': [2,3,5,23] }");

    ints = JsonUtils.optIntegerSet(object2, "test");

    assertNotNull(ints);
    assertEquals(new HashSet<Integer>(Arrays.asList(2, 3, 5, 23)), ints);

    assertEquals(new HashSet<Integer>(Arrays.asList(123)),
            JsonUtils.optIntegerSet(new JSONObject("{ 'test': [123] }"), "test"));

    assertEquals(new HashSet<Integer>(Arrays.asList(0)),
            JsonUtils.optIntegerSet(new JSONObject("{ 'test': [0] }"), "test"));

    assertEquals(new HashSet<Integer>(Arrays.asList(1)),
            JsonUtils.optIntegerSet(new JSONObject("{ 'test': [1,1,1] }"), "test"));

    assertEquals(Collections.emptySet(), JsonUtils.optIntegerSet(new JSONObject("{ 'test': [] }"), "test"));
}

From source file:com.github.rvesse.airline.utils.AirlineUtils.java

public static <T> Set<T> unmodifiableSetCopy(Iterable<T> iterable) {
    if (iterable == null)
        return Collections.emptySet();
    LinkedHashSet<T> set = new LinkedHashSet<T>();
    Iterator<T> iter = iterable.iterator();
    while (iter.hasNext()) {
        set.add(iter.next());//w w w .  j  ava2 s  .  c  om
    }
    return Collections.unmodifiableSet(set);
}

From source file:com.haulmont.timesheets.global.DateTimeUtils.java

private static Set<String> holidayAsSeparateStrings(Holiday holiday, Date startDate, Date endDate,
        String format) {/*from w  w  w  .j a va 2  s  .co m*/
    Date start;
    Date end;
    if (holiday.getStartDate().getTime() >= startDate.getTime()) {
        start = holiday.getStartDate();
    } else {
        start = startDate;
    }
    if (holiday.getEndDate().getTime() <= endDate.getTime()) {
        end = holiday.getEndDate();
    } else {
        end = endDate;
    }

    if (start.equals(startDate) && end.equals(endDate)) {
        return Collections.emptySet();
    } else {
        Set<String> stringDates = new HashSet<>();
        DateFormat formatter = new SimpleDateFormat(format);
        while (start.getTime() <= end.getTime()) {
            stringDates.add(formatter.format(start));
            start = DateUtils.addDays(start, 1);
        }

        return stringDates;
    }
}

From source file:io.knotx.knot.AbstractKnotProxy.java

private boolean shouldProcess(KnotContext context) {
    Set<String> knots = Optional.ofNullable(context.getFragments()).map(this::getKnotSet)
            .orElse(Collections.emptySet());
    return shouldProcess(knots);
}

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

/** Get a list of available RDDs
 * @return//from ww  w . jav  a  2  s  .  co m
 */
public Set<String> getRddInputNames() {
    initializeRdd(Collections.emptySet());

    return _rdd_set.get().keySet();
}