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.

Click Source Link

Document

The empty list (immutable).

Usage

From source file:fr.esiea.windmeal.service.search.elasticsearch.implementation.ElasticsearchProviderService.java

private Iterable<FoodProvider> search(String index, String searchingTerms, String... field) {
    SearchResponse response = esClient.prepareSearch(index).setSearchType(SearchType.DFS_QUERY_THEN_FETCH)
            .setQuery(QueryBuilders.multiMatchQuery(searchingTerms, field)).setFrom(0).setSize(20)
            .setExplain(true).execute().actionGet();

    SearchHit[] docs = response.getHits().getHits();

    if (docs.length == 0)
        return Collections.EMPTY_LIST;//No Result

    ArrayList<FoodProvider> foodProviders = new ArrayList<FoodProvider>();
    for (SearchHit doc : docs) {
        String id = doc.getId();/*from w w  w  . j a v  a  2 s  .c o  m*/
        try {
            FoodProvider provider = providerDao.getOne(id);
            foodProviders.add(provider);
        } catch (DaoException e) {
            String message = "there is a mismatching between items in the dao and elasticsearch for the id "
                    + id;
            LOGGER.error(message);
            throw new RuntimeException(message);
        }
    }

    return foodProviders;
}

From source file:com.kelveden.karma.AbstractStartMojo.java

protected List<String> valueToKarmaArgument(final String value, final String argName) {
    if (value == null) {
        return Collections.EMPTY_LIST;
    }/*from  w w w .  j  a  va  2  s.c  om*/

    return Arrays.asList(argName, value);
}

From source file:com.photon.phresco.framework.validators.EnvironmentValidator.java

public List<String> getAppliesTo() throws PhrescoException {
    return Collections.EMPTY_LIST;
}

From source file:com.greenline.hrs.admin.user.service.UserInfoService.java

/**
 * ?????// ww  w.j  a  va  2s  .c  om
 *
 * @param offset ???
 * @param size   ??
 * @return , ??list.
 */
public List<UserNormalInfo> getUserInfoList(int offset, int size) {

    List<UserNickName> userNickNames = userNickNameBiz.getList(offset, size);
    if (userNickNames.isEmpty()) {
        return Collections.EMPTY_LIST;
    }
    Map<Long, UserNormalInfo> userNormalInfoMap = new HashMap<Long, UserNormalInfo>(userNickNames.size() * 2);
    List<Long> userIds = new ArrayList<Long>(userNickNames.size() * 2);
    List<UserNormalInfo> userNormalInfos = new ArrayList<UserNormalInfo>(userNickNames.size() * 2);
    UserNormalInfo userNormalInfo = null;
    for (UserNickName userNickName : userNickNames) {
        //?nickName?normalInfo
        userNormalInfo = new UserNormalInfo();
        userNormalInfo.setUid(userNickName.getUid());
        userNormalInfo.setNickName(userNickName.getNickName());
        userIds.add(userNickName.getUid());
        //normalInfoMap
        userNormalInfoMap.put(userNickName.getUid(), userNormalInfo);
    }
    //??,GC
    userNickNames.clear();

    List<UserBasicInfo> userBasicInfos = userBasicInfoBiz.getUserList(userIds);

    for (UserBasicInfo userBasicInfo : userBasicInfos) {
        //?uid???
        userNormalInfo = userNormalInfoMap.get(userBasicInfo.getUid());
        BeanUtils.copyProperties(userBasicInfo, userNormalInfo);
        userNormalInfos.add(userNormalInfo);
    }
    //??,GC
    userBasicInfos.clear();
    userNormalInfoMap.clear();

    return userNormalInfos;
}

From source file:com.nextep.datadesigner.dbgm.services.DBGMHelper.java

/**
 * Retrieves the collection of all foreign key constraints which reference
 * the specified unique key constraint.//  w w w .ja  va 2  s.c om
 * 
 * @param uk
 *            the unique key constraint
 * @return a collection of {@link ForeignKeyConstraint} <i>fk</i> which
 *         match the following condition:<br>
 *         fk.getRemoteConstraint() == uk
 * @throws ReferenceNotFoundException
 *             when the unique key cannot be located in the current view.
 */
@SuppressWarnings("unchecked")
public static Collection<ForeignKeyConstraint> getForeignKeys(UniqueKeyConstraint uk, boolean repository)
        throws ReferenceNotFoundException {
    if (uk == null)
        return Collections.EMPTY_LIST;

    // Retrieving table in repository
    IBasicTable repositoryTable = null;
    if (repository) {
        repositoryTable = (IBasicTable) CorePlugin.getService(IReferenceManager.class)
                .findByTypeName(uk.getConstrainedTable().getType(), uk.getConstrainedTable().getName());
    } else {
        repositoryTable = uk.getConstrainedTable();
    }
    UniqueKeyConstraint repositoryUK = null;
    for (IKeyConstraint repoUK : repositoryTable.getConstraints()) {
        switch (repoUK.getConstraintType()) {
        case PRIMARY:
        case UNIQUE:
            // Name based match because we might have non-repository unique
            // keys here
            if (repoUK.getName().equals(uk.getName())) {
                repositoryUK = (UniqueKeyConstraint) repoUK;
            }
            break;
        }
    }

    if (repositoryUK != null) {
        Collection<IReferencer> dependencies = CorePlugin.getService(IReferenceManager.class)
                .getReverseDependencies(repositoryUK);
        List<ForeignKeyConstraint> foreignConstraints = new ArrayList<ForeignKeyConstraint>();
        for (IReferencer r : dependencies) {
            if (r instanceof ForeignKeyConstraint) {
                foreignConstraints.add((ForeignKeyConstraint) r);
            }
        }
        return foreignConstraints;
    } else {
        return Collections.EMPTY_LIST;
    }
}

From source file:com.wiiyaya.framework.provider.repository.revision.BaseRevisionDaoImpl.java

@SuppressWarnings("unchecked")
public Revisions<N, T> findRevisions(ID id) {

    Class<T> type = entityInformation.getJavaType();
    AuditReader reader = AuditReaderFactory.get(entityManager);
    List<? extends Number> revisionNumbers = reader.getRevisions(type, id);

    return revisionNumbers.isEmpty() ? new Revisions<N, T>(Collections.EMPTY_LIST)
            : getEntitiesForRevisions((List<N>) revisionNumbers, id, reader);
}

From source file:de.micromata.tpsb.doc.ParserContext.java

public MethodInfo findMethodInfo(final String className, final String methodName) {
    FileInfo fileInfo = getFileInfo(className);
    return fileInfo.findMethodInfo(methodName, Collections.EMPTY_LIST);
}

From source file:com.elasticbox.jenkins.k8s.cfg.PluginInitializer.java

@Initializer(after = InitMilestone.JOB_LOADED)
public static void checkLocalKubernetesCloud() {

    LOGGER.info(NAME_PREFIX + "Checking if running inside a Kubernetes Cloud (Auto-discovery)...");

    final String kubernetesAddr = System.getenv(KUBERNETES_API_SERVER_ADDR);
    final String kubernetesAddrPort = System.getenv(KUBERNETES_API_SERVER_PORT);

    if (PluginHelper.anyOfThemIsBlank(kubernetesAddr, kubernetesAddrPort)) {
        LOGGER.info(NAME_PREFIX + "Not running inside a Kubernetes Cloud.");
        return;/*  w  ww .  j  av a2  s.  c om*/
    }

    String kubernetesUri = "https://" + kubernetesAddr + ":" + kubernetesAddrPort;

    LOGGER.info(NAME_PREFIX + "Kubernetes Cloud found! Checking if local Kubernetes cloud is configured at: "
            + kubernetesUri);

    final Jenkins jenkins = Jenkins.getInstance();
    if (jenkins == null) {
        return;
    }

    if (jenkins.getCloud(LOCAL_CLOUD_NAME) != null) {
        LOGGER.info(NAME_PREFIX + "Local Kubernetes Cloud already configured.");
        return;
    }

    try {
        if (!kubeRepository.testConnection(kubernetesUri)) {
            LOGGER.warning(NAME_PREFIX + "No valid Local Kubernetes Cloud connection obtained.");
            return;
        }

        final ChartRepositoryConfig chartRepositoryConfig = new ChartRepositoryConfig(DEFAULT_HELM_CHART_REPO,
                DEFAULT_HELM_CHART_REPO_URL, StringUtils.EMPTY);

        final PodSlaveConfig defaultPodSlaveConfig = getDefaultPodSlaveConfig();

        String credentialsId = checkLocalKubernetesToken();

        final KubernetesCloud cloud = new KubernetesCloud(LOCAL_CLOUD_NAME, LOCAL_CLOUD_NAME, kubernetesUri,
                DEFAULT_NAMESPACE, MAX_SLAVES, credentialsId, StringUtils.EMPTY,
                Collections.singletonList(chartRepositoryConfig),
                (defaultPodSlaveConfig != null) ? Collections.singletonList(defaultPodSlaveConfig)
                        : Collections.EMPTY_LIST);

        LOGGER.info(NAME_PREFIX + "Adding local Kubernetes Cloud configuration: " + cloud);

        jenkins.clouds.add(cloud);
        jenkins.setNumExecutors(0);

    } catch (RepositoryException exception) {
        LOGGER.log(Level.SEVERE, NAME_PREFIX + exception.getCausedByMessages(), exception);

    } catch (IOException excep) {
        LOGGER.log(Level.SEVERE, NAME_PREFIX + "Error setting number of executors in master to 0.", excep);
    }
}

From source file:com.github.dactiv.orm.core.PageRequest.java

/**
 * ??.//  w w w . j a v  a 2 s . co m
 */
@SuppressWarnings("unchecked")
public List<Sort> getSort() {
    if (orderBy == null || orderDir == null) {
        return Collections.EMPTY_LIST;
    }
    String[] orderBys = StringUtils.split(orderBy, ',');
    String[] orderDirs = StringUtils.split(orderDir, ',');
    Assert.isTrue(orderBys.length == orderDirs.length,
            "???,????");

    List<Sort> orders = new ArrayList<PageRequest.Sort>();
    for (int i = 0; i < orderBys.length; i++) {
        orders.add(new Sort(orderBys[i], orderDirs[i]));
    }

    return orders;
}

From source file:com.eryansky.common.orm.core.PageRequest.java

/**
 * ??.//w w w  .  j a  v a2  s.c o m
 */
@SuppressWarnings("unchecked")
public List<Sort> getSort() {
    if (orderBy == null || orderDir == null) {
        return Collections.EMPTY_LIST;
    }
    String[] orderBys = StringUtils.split(orderBy, ',');
    String[] orderDirs = StringUtils.split(orderDir, ',');
    Assert.isTrue(orderBys.length == orderDirs.length,
            "???,????");

    List<Sort> orders = new ArrayList<Sort>();
    for (int i = 0; i < orderBys.length; i++) {
        orders.add(new Sort(orderBys[i], orderDirs[i]));
    }

    return orders;
}

Example usage for java.util Collections EMPTY_LIST

Introduction

Prototype

Document

Usage