Example usage for org.apache.commons.collections4 CollectionUtils isEmpty

Introduction

In this page you can find the example usage for org.apache.commons.collections4 CollectionUtils isEmpty.

Prototype

public static boolean isEmpty(final Collection<?> coll) 

Source Link

Document

Null-safe check if the specified collection is empty.

Usage

From source file:com.jkoolcloud.tnt4j.streams.StreamsAgent.java

private static Collection<TNTInputStream<?, ?>> initPiping(StreamsConfigLoader cfg) throws Exception {
    Collection<TNTInputStream<?, ?>> streams = new ArrayList<>(1);

    Map<String, String> props = new HashMap<>(1);
    props.put(StreamProperties.PROP_HALT_ON_PARSER, String.valueOf(haltOnUnparsed));

    PipedStream pipeStream = new PipedStream();
    pipeStream.setName("DefaultSystemPipeStream"); // NON-NLS
    pipeStream.setProperties(props.entrySet());

    Collection<ActivityParser> parsers = cfg.getParsers();
    if (CollectionUtils.isEmpty(parsers)) {
        throw new IllegalStateException(StreamsResources.getString(StreamsResources.RESOURCE_BUNDLE_NAME,
                "StreamsAgent.no.piped.activity.parsers"));
    }// w  w w  . j  a  v a2 s.  c  om
    pipeStream.addParsers(parsers);

    streams.add(pipeStream);

    return streams;
}

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From source file:com.evolveum.midpoint.prism.marshaller.PrismUnmarshaller.java

private <T> boolean isValueAllowed(T realValue, PrismPropertyDefinition<T> definition) throws SchemaException {
    if (definition == null || CollectionUtils.isEmpty(definition.getAllowedValues())) {
        return true;
    }//from  www. j a  va  2s .  c o  m
    if (realValue == null) {
        return true; // TODO: ok?
    }
    String serializedForm;
    if (realValue instanceof Enum) {
        PrimitiveXNode<String> prim = (PrimitiveXNode<String>) getBeanMarshaller().marshall(realValue);
        serializedForm = prim.getValue();
    } else {
        serializedForm = null;
    }

    return definition.getAllowedValues().stream()
            .anyMatch(displayableValue -> realValue.equals(displayableValue.getValue())
                    || serializedForm != null && serializedForm.equals(displayableValue.getValue()));
}

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From source file:cop.raml.processor.RestProcessor.java

private static AnnotationMirror getAnnotationMirror(@NotNull Element element, String className) {
    List<? extends AnnotationMirror> mirrors = element.getAnnotationMirrors();

    if (CollectionUtils.isEmpty(mirrors) || StringUtils.isBlank(className))
        return null;

    for (AnnotationMirror mirror : mirrors)
        if (className.equals(mirror.getAnnotationType().toString()))
            return mirror;

    return null;//from  w w  w . ja va  2 s.c om
}

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From source file:com.epam.catgenome.dao.index.FeatureIndexDao.java

/**
 * Queries a feature index of a list of files
 *
 * @param files a {@link List} of {@link FeatureFile}, which indexes to search
 * @param query a query to search in index
 * @param vcfInfoFields list of info fields to retrieve
 * @param maxResultsCount specifies a maximum number of search results to get
 * @param sort specifies sorting/*from  w  w  w . j a va  2 s  . c  o m*/
 * @return a {List} of {@code FeatureIndexEntry} objects that satisfy index query
 * @throws IOException if something is wrong in the filesystem
 */
public <T extends FeatureIndexEntry> IndexSearchResult<T> searchFileIndexes(List<? extends FeatureFile> files,
        Query query, List<String> vcfInfoFields, Integer maxResultsCount, Sort sort) throws IOException {
    if (CollectionUtils.isEmpty(files)) {
        return new IndexSearchResult<>(Collections.emptyList(), false, 0);
    }

    Map<Integer, FeatureIndexEntry> entryMap = new LinkedHashMap<>();

    SimpleFSDirectory[] indexes = fileManager.getIndexesForFiles(files);

    try (MultiReader reader = openMultiReader(indexes)) {
        if (reader.numDocs() == 0) {
            return new IndexSearchResult<>(Collections.emptyList(), false, 0);
        }

        IndexSearcher searcher = new IndexSearcher(reader);
        final TopDocs docs = performSearch(searcher, query, reader, maxResultsCount, sort);

        int totalHits = docs.totalHits;
        final ScoreDoc[] hits = docs.scoreDocs;

        Map<Long, BookmarkIndexEntry> foundBookmarkEntries = new HashMap<>(); // for batch bookmarks loading
        createIndexEntries(hits, entryMap, foundBookmarkEntries, searcher, vcfInfoFields);
        setBookmarks(foundBookmarkEntries);

        return new IndexSearchResult<>(new ArrayList<T>((Collection<? extends T>) entryMap.values()),
                maxResultsCount != null && totalHits > maxResultsCount, totalHits);
    } finally {
        for (SimpleFSDirectory index : indexes) {
            IOUtils.closeQuietly(index);
        }
    }
}

---

From source file:io.cloudslang.lang.compiler.CompileParallelLoopFlowTest.java

private void verifyBranchPublishValuesIsEmpty(Map<String, ?> actionData) {
    @SuppressWarnings("unchecked")
    List<Output> publishValues = (List<Output>) actionData.get(ScoreLangConstants.STEP_PUBLISH_KEY);
    assertTrue(CollectionUtils.isEmpty(publishValues));
}

---

From source file:monasca.api.infrastructure.persistence.hibernate.AlarmDefinitionSqlRepoImpl.java

private void deleteOldSubAlarms(final Collection<String> oldSubAlarmIds, final Session session) {
    if (!CollectionUtils.isEmpty(oldSubAlarmIds)) {
        session.getNamedQuery(SubAlarmDefinitionDb.Queries.DELETE_BY_IDS)
                .setParameterList("ids", oldSubAlarmIds).executeUpdate();
    }/*www  .  j a  va2  s .c  om*/
}

---

From source file:monasca.api.infrastructure.persistence.hibernate.AlarmDefinitionSqlRepoImpl.java

private void deleteActions(final Session session, final String id, final AlarmState alarmState,
        final List<String> actions) {
    if (!CollectionUtils.isEmpty(actions))
        session.getNamedQuery(AlarmActionDb.Queries.DELETE_BY_ALARMDEFINITION_ID_AND_ALARMSTATE)
                .setString("id", id).setString("alarmState", alarmState.name()).executeUpdate();
}

---

From source file:com.epam.catgenome.dao.index.FeatureIndexDao.java

/**
 * Queries a feature index of a list of files, returning specified page of specified size.
 * If no paging parameters are passed, returns all results
 *
 * @param files a {@link List} of {@link FeatureFile}, which indexes to search
 * @param query a query to search in index
 * @param vcfInfoFields list of info fields to retrieve
 * @param page number of a page to display
 * @param pageSize number of entries per page
 * @param orderBy object, that specifies sorting
 * @return a {List} of {@code FeatureIndexEntry} objects that satisfy index query
 * @throws IOException if something is wrong in the filesystem
 *//*from   w w w. j  av a  2 s  .  c o  m*/
public <T extends FeatureIndexEntry> IndexSearchResult<T> searchFileIndexesPaging(
        List<? extends FeatureFile> files, Query query, List<String> vcfInfoFields, Integer page,
        Integer pageSize, List<VcfFilterForm.OrderBy> orderBy) throws IOException {

    if (CollectionUtils.isEmpty(files)) {
        return new IndexSearchResult<>(Collections.emptyList(), false, 0);
    }

    List<FeatureIndexEntry> entries;

    int totalHits = 0;
    SimpleFSDirectory[] indexes = fileManager.getIndexesForFiles(files);

    try (MultiReader reader = openMultiReader(indexes)) {
        if (reader.numDocs() == 0) {
            return new IndexSearchResult<>(Collections.emptyList(), false, 0);
        }

        IndexSearcher searcher = new IndexSearcher(reader);
        GroupingSearch groupingSearch = new GroupingSearch(FeatureIndexFields.UID.fieldName);
        setSorting(orderBy, groupingSearch, files);

        TopGroups<String> topGroups = groupingSearch.search(searcher, query,
                page == null ? 0 : (page - 1) * pageSize, page == null ? reader.numDocs() : pageSize);

        final ScoreDoc[] hits = new ScoreDoc[topGroups.groups.length];
        for (int i = 0; i < topGroups.groups.length; i++) {
            hits[i] = topGroups.groups[i].scoreDocs[0];
        }

        entries = new ArrayList<>(hits.length);
        for (ScoreDoc hit : hits) {
            entries.add(createIndexEntry(hit, new HashMap<>(), searcher, vcfInfoFields));
        }
    } finally {
        for (SimpleFSDirectory index : indexes) {
            IOUtils.closeQuietly(index);
        }
    }

    return new IndexSearchResult<>((List<T>) entries, false, totalHits);
}

---

From source file:com.epam.catgenome.manager.vcf.reader.VcfFileReader.java

/**
 * Translates HTSJDK's ambiguous INDEL type into our INS, DEL or MIXED variation types
 *
 * @param context     {@code VariantContext}, from which variation type is being achieved.
 * @param sampleIndex {@code Integer} a sample index from VCF file. If is null, will try to guess VariationType by
 *                    first allele.//from ww w .  j a va2 s  .co  m
 * @return correct {@code VariationType}
 */
private static VariationType determineInDel(VariantContext context, Integer sampleIndex) {
    Genotype genotype = sampleIndex != null ? context.getGenotype(sampleIndex) : null;

    if (genotype == null || CollectionUtils.isEmpty(genotype.getAlleles())) {
        // No genotype information, trying to guess by first alt allele
        return context.getAlternateAlleles().get(0).length() > context.getReference().length()
                ? VariationType.INS
                : VariationType.DEL;
    } else {
        return getVariationTypeFromAlleles(context, genotype);
    }
}

---

From source file:com.epam.catgenome.dao.index.FeatureIndexDao.java

public int getTotalVariationsCountFacet(List<? extends FeatureFile> files, Query query) throws IOException {
    if (CollectionUtils.isEmpty(files)) {
        return 0;
    }//from  w  w  w.j  av a  2  s.co  m

    SimpleFSDirectory[] indexes = fileManager.getIndexesForFiles(files);

    try (MultiReader reader = openMultiReader(indexes)) {
        if (reader.numDocs() == 0) {
            return 0;
        }

        FacetsCollector facetsCollector = new FacetsCollector();
        IndexSearcher searcher = new IndexSearcher(reader);
        searcher.search(query, facetsCollector);

        Facets facets = new SortedSetDocValuesFacetCounts(
                new DefaultSortedSetDocValuesReaderState(reader, FeatureIndexFields.FACET_UID.fieldName),
                facetsCollector);
        FacetResult res = facets.getTopChildren(reader.numDocs(), FeatureIndexFields.F_UID.getFieldName());
        if (res == null) {
            return 0;
        }

        return res.childCount;
    } finally {
        for (SimpleFSDirectory index : indexes) {
            IOUtils.closeQuietly(index);
        }
    }
}

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