Example usage for java.util Collections EMPTY

Introduction

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

Prototype

List EMPTY_LIST

To view the source code for java.util Collections EMPTY_LIST.

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Document

The empty list (immutable).

Usage

From source file:info.magnolia.cms.taglibs.ContentNodeIterator.java

/**
 * @param request//from   w  w  w . j  a  v a  2  s . co  m
 * @return
 * @throws PathNotFoundException
 * @throws RepositoryException
 * @throws AccessDeniedException
 */
private Collection getCollection(HttpServletRequest request)
        throws PathNotFoundException, RepositoryException, AccessDeniedException {

    if (this.items != null) {
        return this.items;
    } else if (StringUtils.isNotEmpty(this.contentNodeCollectionName)) {
        Content page = Resource.getCurrentActivePage(request);
        return page.getContent(this.contentNodeCollectionName).getChildren(ItemType.CONTENTNODE);
    }

    return Collections.EMPTY_LIST;
}

From source file:com.tuplejump.stargate.cassandra.SearchSupport.java

@Override
public List<Row> search(ExtendedFilter mainFilter) {
    List<IndexExpression> clause = mainFilter.getClause();
    if (logger.isDebugEnabled())
        logger.debug("All IndexExprs {}", clause);
    try {//from  w  w  w  . j a  v a 2 s.c o m
        String queryString = getQueryString(matchThisIndex(clause));
        Search search = getQuery(queryString);
        return getRows(mainFilter, search, queryString);
    } catch (Exception e) {
        logger.error("Exception occurred while querying", e);
        if (tableMapper.isMetaColumn) {
            ByteBuffer errorMsg = UTF8Type.instance
                    .decompose("{\"error\":\"" + StringEscapeUtils.escapeEcmaScript(e.getMessage()) + "\"}");
            Row row = tableMapper.getRowWithMetaColumn(errorMsg);
            if (row != null) {
                return Collections.singletonList(row);
            }
        }
        return Collections.EMPTY_LIST;
    }
}

From source file:se.vgregion.urlservice.repository.jpa.JpaBookmarkRepositoryTest.java

@Test(expected = PersistenceException.class)
@Transactional/*from   ww  w  . java 2 s  .  co  m*/
@Rollback
public void duplicateHashNotAllowed() {
    try {
        dao.persist(new Bookmark(bookmark1.getHash(), longUrl, Collections.EMPTY_LIST, owner));
        dao.flush();
    } catch (PersistenceException e) {
        e.printStackTrace();
        throw e;
    }
}

From source file:hydrograph.ui.graph.execution.tracking.connection.HydrographServerConnection.java

/**
 * Gets the kill req./*from  w  w  w.  j a  v  a 2s.  co  m*/
 *
 * @param jobID the job id
 * @return the kill req
 */
private String getKillReq(String jobID) {
    ExecutionStatus executionStatus = new ExecutionStatus(Collections.EMPTY_LIST);
    executionStatus.setJobId(jobID);
    executionStatus.setType("kill");
    executionStatus.setClientId("ui-client");
    Gson gson = new Gson();
    return gson.toJson(executionStatus);
}

From source file:com.streamsets.pipeline.stage.processor.xmlflattener.TestXMLFlatteningProcessor.java

@Test
public void testSingleRecordNoAttrsNoNS() throws Exception {
    String xml = getXML("");
    Record expected = RecordCreator.create();
    expected.set(Field.create(createExpectedRecord("", "", "", ".", "#", "", false, false)));
    doTest(xml, "contact", ImmutableList.of(expected), Collections.EMPTY_LIST, OnRecordError.DISCARD, true,
            true, false, false);//w w  w .  java 2 s.c  o m
}

From source file:com.sun.faces.context.FacesContextImpl.java

public Iterator getClientIdsWithMessages() {
    assertNotReleased();/*  ww w . j a  v a 2s  .c om*/
    Iterator result = null;
    if (null == componentMessageLists) {
        result = Collections.EMPTY_LIST.iterator();
    } else {
        result = componentMessageLists.keySet().iterator();

    }
    return result;
}

From source file:com.qcadoo.mes.productionPerShift.DateTimeRange.java

public Collection<? extends DateTimeRange> remove(final DateTimeRange range) {
    Interval other = range.interval;/*  w  w  w  . ja va  2  s  .com*/
    if (interval.contains(other)) {
        return Lists.newArrayList(new DateTimeRange(interval.getStart(), other.getStart()),
                new DateTimeRange(other.getEnd(), interval.getEnd()));
    } else if (other.contains(interval)) {
        return Collections.EMPTY_LIST;
    } else if (interval.overlaps(other)) {
        if (interval.getStart().isBefore(other.getStart())) {
            return Lists.newArrayList(new DateTimeRange(interval.getStart(), other.getStart()));
        } else {
            return Lists.newArrayList(new DateTimeRange(other.getEnd(), interval.getEnd()));
        }
    }
    return Lists.newArrayList(this);
}

From source file:de.micromata.genome.chronos.spi.ram.RamJobStore.java

@Override
@SuppressWarnings("unchecked")
public synchronized List<TriggerJobDO> getJobs(Scheduler scheduler, Date fromDate, Date untilDate,
        State state) {//from w w w.  j a v a  2 s.c om
    final Map<Long, TriggerJobDO> tjobs;
    if (scheduler != null) {
        tjobs = allJobs.get(scheduler.getId());
    } else {
        tjobs = new HashMap<>();
        for (Map<Long, TriggerJobDO> scheds : allJobs.values()) {
            synchronized (scheds) {
                tjobs.putAll(scheds);
            }

        }

    }
    if (tjobs == null) {
        return Collections.EMPTY_LIST;
    }
    List<TriggerJobDO> ret = new ArrayList<TriggerJobDO>();

    ret.addAll(tjobs.values());

    for (Iterator<TriggerJobDO> it = ret.iterator(); it.hasNext() == true;) {
        TriggerJobDO job = it.next();
        if (state != null) {
            if (job.getState() != state) {
                it.remove();
                continue;
            }
        }
        if (fromDate != null) {
            if (job.getModifiedAt() != null && job.getModifiedAt().after(fromDate) == true) {
                it.remove();
                continue;
            }
        }
        if (untilDate != null) {
            if (job.getModifiedAt() != null && job.getModifiedAt().before(untilDate) == true) {
                it.remove();
                continue;
            }
        }
    }

    return ret; // TODO genome chronos filter

}

From source file:de.hybris.platform.mpintgproductcockpit.editorAera.TmallAttributeSection.java

@Override
public List<EditorSectionConfiguration> getAdditionalSections() {
    return Collections.EMPTY_LIST;
}

From source file:it.geosolutions.geobatch.unredd.script.util.GeoStoreUtil.java

/**
 * Generic search in GeoStoreUtil./*from  w w w  .  j a v  a 2  s . c  o m*/
 *
 * @param filter the filter to apply for searching
 * @param getShortResource true if a list of resource is required, false if a RESTResource list is sufficient
 *
 * @return always a not null list
 */
//    @Override
protected List search(SearchFilter filter, boolean getShortResource, String fileNameHint)
        throws GeoStoreException {
    File tmpFile = null;

    try {
        tmpFile = File.createTempFile(fileNameHint, ".xml", tempDir);

        Marshaller m = JAXBMarshallerBuilder.getJAXBMarshaller(filter.getClass());
        m.marshal(filter, tmpFile);

        GeostoreActionConfiguration geoStoreCfg = createConfiguration();
        geoStoreCfg.setShortResource(getShortResource);
        geoStoreCfg.setOperation(GeostoreOperation.Operation.SEARCH);

        GeostoreAction action = new GeostoreAction(geoStoreCfg);
        action.setTempDir(tempDir);

        SingleFileActionExecutor.execute(action, tmpFile);

        List ret = getShortResource ? action.getShortResourceList() : action.getResourceList();
        return ret == null ? Collections.EMPTY_LIST : ret;

    } catch (Exception e) {
        throw new GeoStoreException("Error while searching in GeoStore", e);
    } finally {
        FileUtils.deleteQuietly(tmpFile); // we're putting the temp file in a working dir, so this delete is probably useless
    }
}

Example usage for java.util Collections EMPTY_LIST

Introduction

Prototype

Document

Usage