Example usage for java.util Collections emptyList

Introduction

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

Prototype

@SuppressWarnings("unchecked")
public static final <T> List<T> emptyList()

Source Link

Document

Returns an empty list (immutable).

Usage

From source file:io.cloudslang.lang.compiler.modeller.transformers.WorkerGroupTransformer.java

@Override
public TransformModellingResult<WorkerGroupStatement> transform(String rawData,
        SensitivityLevel sensitivityLevel) {
    if (StringUtils.isBlank(rawData)) {
        return new BasicTransformModellingResult<>(null, Collections.emptyList());
    }/* ww w .j  av  a 2 s  .co  m*/

    WorkerGroupStatement workerGroupStatement;
    Accumulator dependencyAccumulator;
    String expression;
    try {
        dependencyAccumulator = extractFunctionData(rawData);
        expression = ExpressionUtils.extractExpression(rawData);
    } catch (IllegalStateException | IndexOutOfBoundsException e) {
        return new BasicTransformModellingResult<>(null, Collections.singletonList(e));
    }

    if (expression != null) {
        workerGroupStatement = new WorkerGroupStatement(expression,
                dependencyAccumulator.getFunctionDependencies(),
                dependencyAccumulator.getSystemPropertyDependencies());
    } else {
        workerGroupStatement = new WorkerGroupStatement(rawData, null, null);
    }

    return new BasicTransformModellingResult<>(workerGroupStatement, Collections.emptyList());
}

From source file:com.cognifide.qa.bb.scope.frame.FramePath.java

/**
 * Constructs FramePath.
 * <p>
 * Initializes list of frames to an empty list.
 */
public FramePath() {
    this.frames = Collections.emptyList();
}

From source file:demo.config.diff.ConfigDiffResult.java

public List<ConfigGroupDiff> getGroupsDiffFor(ConfigDiffType type) {
    List<ConfigGroupDiff> content = this.groups.get(type);
    if (content == null) {
        return Collections.emptyList();
    }//from w ww .ja va2s.  c  om
    return content;
}

From source file:com.orange.ngsi.model.ContextElement.java

public List<ContextAttribute> getContextAttributeList() {
    if (contextAttributeList == null) {
        return Collections.emptyList();
    }//www . j  a  va  2s.  c o m
    return contextAttributeList;
}

From source file:com.enonic.cms.core.search.ElasticSearchIndexedFieldsTranslator.java

public List<ContentIndexedFields> generateContentIndexFieldSet(ContentKey contentKey,
        Map<String, GetField> fields) {
    if (fields.isEmpty()) {
        return Collections.emptyList();
    }/*from  ww w. j a  va  2 s.com*/

    final CategoryKey categoryKey = new CategoryKey((String) fields.get(CATEGORY_KEY_FIELDNAME).getValue());

    final ContentIndexFieldSet indexFieldSet = new ContentIndexFieldSet();
    indexFieldSet.setCategoryKey(categoryKey);
    indexFieldSet.setKey(contentKey);

    final String statusFieldName = STATUS_FIELDNAME + INDEX_FIELD_TYPE_SEPARATOR + NUMBER_FIELD_POSTFIX;
    indexFieldSet.setStatus(getFieldAsInt(fields.get(statusFieldName)));

    final String ctypeFieldName = CONTENTTYPE_KEY_FIELDNAME + INDEX_FIELD_TYPE_SEPARATOR + NUMBER_FIELD_POSTFIX;
    indexFieldSet.setContentTypeKey(new ContentTypeKey(getFieldAsInt(fields.get(ctypeFieldName))));

    for (final String name : fields.keySet()) {
        if (skipField(name)) {
            continue;
        }

        if (name.startsWith(CONTENTDATA_PREFIX) && (!name.contains(INDEX_FIELD_TYPE_SEPARATOR))) {
            final GetField field = fields.get(name);
            final String value = StringUtils.join(field.getValues(), ',');
            if (StringUtils.isNotEmpty(value)) {
                final String customFieldName = StringUtils.substringAfter(name, CONTENTDATA_PREFIX);
                indexFieldSet.addFieldWithStringValue("data#" + customFieldName, value);
            }
        } else if ((!name.startsWith(CONTENTDATA_PREFIX)) && (!name.contains(INDEX_FIELD_TYPE_SEPARATOR))) {
            addIndexEntityField(indexFieldSet, name, fields);
        }
    }

    return indexFieldSet.getEntitites();
}

From source file:com.gooddata.md.report.ReportDefinitionContentTest.java

@Test
public void testToStringFormat() {
    final ReportDefinitionContent def = new GridReportDefinitionContent(
            new Grid(Collections.emptyList(), Collections.emptyList(), Collections.emptyList()));

    assertThat(def.toString(), matchesPattern(GridReportDefinitionContent.class.getSimpleName() + "\\[.*\\]"));
}

From source file:com.haulmont.cuba.gui.data.impl.HierarchicalPropertyDatasourceImpl.java

@Override
public Collection<K> getChildren(K itemId) {
    if (hierarchyPropertyName != null) {
        final Entity item = getItem(itemId);
        if (item == null)
            return Collections.emptyList();

        List<K> res = new ArrayList<>();

        Collection<K> ids = getItemIds();
        for (K id : ids) {
            Entity<K> currentItem = getItem(id);
            Object parentItem = currentItem.getValue(hierarchyPropertyName);
            if (parentItem != null && parentItem.equals(item))
                res.add(currentItem.getId());
        }//from w w  w .  j  a v a  2s.c o m

        if (StringUtils.isNotBlank(sortPropertyName)) {
            Collections.sort(res, new Comparator<K>() {
                @Override
                public int compare(K o1, K o2) {
                    Entity item1 = getItem(o1);
                    Entity item2 = getItem(o2);
                    Object value1 = item1.getValue(sortPropertyName);
                    Object value2 = item2.getValue(sortPropertyName);
                    if ((value1 instanceof Comparable) && (value2 instanceof Comparable))
                        return ((Comparable) value1).compareTo(value2);

                    return 0;
                }
            });
        }

        return res;
    }
    return Collections.emptyList();
}

From source file:hudson.plugins.timestamper.TimestampFormatterTest.java

/**
 * @return parameterised test data//from   w ww  .  ja  va2s. c  o m
 */
@Parameters
public static Collection<Object[]> data() {
    return Arrays.asList(new Object[][] { { Collections.singletonList("system"), "00:00:42 ", "08:00:42 " },
            { Collections.singletonList("elapsed"), "00.123 ", "00.123 " },
            { Collections.singletonList("none"), "", "" },
            { Collections.emptyList(), "00:00:42 ", "08:00:42 " }, { null, "00:00:42 ", "08:00:42 " } });
}

From source file:de.mgd.simplesoundboard.dao.FileSystemSoundResourceDao.java

@Override
public List<String> findSoundCategories() {
    List<File> files = findFilesInStorageDirectoryIfAny(this::isSoundCategory);
    if (files.isEmpty()) {
        return Collections.emptyList();
    }/*  ww w.j a va 2 s. co  m*/

    files.sort(NameFileComparator.NAME_INSENSITIVE_COMPARATOR);
    return files.stream().map(File::getName).collect(Collectors.toList());
}

From source file:com.haulmont.cuba.web.gui.data.EnumerationContainer.java

@Override
public Collection getContainerPropertyIds() {
    return Collections.emptyList();
}