Example usage for java.util.stream StreamSupport stream

Introduction

In this page you can find the example usage for java.util.stream StreamSupport stream.

Prototype

public static <T> Stream<T> stream(Spliterator<T> spliterator, boolean parallel)

Source Link

Document

Creates a new sequential or parallel Stream from a Spliterator .

Usage

From source file:edu.pitt.dbmi.ccd.anno.group.GroupResourceAssembler.java

/**
 * convert Groups to GroupResources/* ww w.j  av a 2s .c  o  m*/
 *
 * @param groups entities
 * @return List of resources
 */
@Override
public List<GroupResource> toResources(Iterable<? extends Group> groups) throws IllegalArgumentException {
    // Assert groups is not empty
    Assert.isTrue(groups.iterator().hasNext());
    return StreamSupport.stream(groups.spliterator(), false).map(this::toResource).collect(Collectors.toList());
}

From source file:edu.pitt.dbmi.ccd.anno.vocabulary.VocabularyResourceAssembler.java

/**
 * convert Vocabularies to VocabularyResources
 *
 * @param vocabularies entities//from w w w  .  j a  v a 2  s  . c  o  m
 * @return List of resources
 */
@Override
public List<VocabularyResource> toResources(Iterable<? extends Vocabulary> vocabularies)
        throws IllegalArgumentException {
    // Assert vocabularies is not empty
    Assert.isTrue(vocabularies.iterator().hasNext());
    return StreamSupport.stream(vocabularies.spliterator(), false).map(this::toResource)
            .collect(Collectors.toList());
}

From source file:org.mskcc.shenkers.data.interval.GIntervalTreeMap.java

public Stream<Node<T>> streamOverlapNodes(String chr, int start, int end) {
    boolean parallel = false;
    int characteristics = 0;
    return StreamSupport.stream(
            Spliterators.spliteratorUnknownSize(queryNodes(chr, start, end), characteristics), parallel);
}

From source file:org.neo4j.helpers.json.document.impl.DocumentRelationBuilderByKey.java

@Override
public Relationship buildRelation(Node parent, Node child, DocumentRelationContext context) {
    String documentKey = context.getDocumentKey();
    if (StringUtils.isBlank(documentKey)) {
        return null;
    }//from  w w  w .  j  a v  a2s  . c  om

    RelationshipType relationType = RelationshipType.withName(documentKey);

    //check if already exists
    Iterable<Relationship> relationships = child.getRelationships(Direction.INCOMING, relationType);

    //find only relation between parent and child node
    List<Relationship> rels = StreamSupport.stream(relationships.spliterator(), false)
            .filter(rel -> rel.getStartNode().getId() == parent.getId()).collect(Collectors.toList());

    Relationship relationship;

    if (rels.isEmpty()) {
        relationship = parent.createRelationshipTo(child, relationType);
        if (log.isDebugEnabled())
            log.debug("Create new Relation " + relationship);
    } else {
        relationship = rels.get(0);
        if (log.isDebugEnabled())
            log.debug("Update Relation " + relationship);
    }

    return relationship;
}

From source file:com.wrmsr.wava.basic.BasicLoopInfo.java

public static SetMultimap<Name, Name> findBasicBackEdges(Iterable<Basic> basics, Set<Name> loops,
        BasicDominatorInfo di) {//from  ww w.  j  a  va2 s  . c  o  m
    return StreamSupport.stream(basics.spliterator(), false).flatMap(brk -> {
        Set<Name> bdf = di.getDominanceFrontiers().get(brk.getName());
        return brk.getAllTargets().stream()
                .filter(loop -> loops.contains(loop) && bdf.contains(loop)
                        && (loop.equals(brk.getName()) || di.getDominated(loop).contains(brk.getName())))
                .map(loop -> ImmutablePair.of(loop, brk.getName()));
    }).collect(toHashMultimap());
}

From source file:com.leadscope.commanda.sources.CSVSource.java

@Override
public Stream<CSVRecord> stream(InputStream inputStream) {
    try {//from  w  w  w . ja v  a 2  s  .  c  o  m
        CSVParser parser = new CSVParser(new InputStreamReader(inputStream, charset), format);
        return StreamSupport.stream(parser.spliterator(), false);
    } catch (RuntimeException re) {
        throw re;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:com.crossover.trial.weather.endpoint.RestWeatherQueryEndpoint.java

@RequestMapping(path = "/query/weather/{iata}/{radius}", method = GET, produces = "application/json")
@ApiResponses({ @ApiResponse(code = 200, message = "OK"), @ApiResponse(code = 400, message = "Bad Request") })
public List<Data> findInRange(@PathVariable("iata") IATA iata, @PathVariable("radius") double radius) {

    Assert.isTrue(iata != null);//from  w  w  w. j av a2 s  .c o m

    metricsService.markRequest(iata, radius);

    return StreamSupport.stream(airportRepository.findInRadius(iata, radius).spliterator(), false)
            .map(dataPointRepository::findLatestMeasurementForIata).filter(measurement -> measurement != null)
            .map(Data::new).collect(Collectors.toList());
}

From source file:edu.pitt.dbmi.ccd.db.service.GroupService.java

public List<Group> findByIds(Iterable<Long> ids) {
    return StreamSupport.stream(ids.spliterator(), false).map(this::findById).collect(Collectors.toList());
}

From source file:net.hamnaberg.json.Query.java

static List<Query> fromArray(JsonNode queries) {
    return Collections.unmodifiableList(StreamSupport.stream(queries.spliterator(), false)
            .map(jsonNode -> new Query((ObjectNode) jsonNode)).collect(Collectors.toList()));
}

From source file:edu.pitt.dbmi.ccd.anno.user.UserResourceAssembler.java

/**
 * Convert UserAccounts + Persons to UserResources
 *
 * @param accounts entities//  ww  w  .j av  a 2 s.  com
 * @return List of resources
 */
@Override
public List<UserResource> toResources(Iterable<? extends UserAccount> accounts)
        throws IllegalArgumentException {
    // Assert accounts is not empty
    Assert.isTrue(accounts.iterator().hasNext());
    return StreamSupport.stream(accounts.spliterator(), false).map(this::toResource)
            .collect(Collectors.toList());
}