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.access.AccessResourceAssembler.java

/**
 * Convert Accesses to AccessResources/*www. j a  v a  2 s .c  om*/
 *
 * @param accesses entities
 * @return list of resources
 */
@Override
public List<AccessResource> toResources(Iterable<? extends Access> accesses) throws IllegalArgumentException {
    // Assert accesses is not empty
    Assert.isTrue(accesses.iterator().hasNext());
    return StreamSupport.stream(accesses.spliterator(), false).map(this::toResource)
            .collect(Collectors.toList());
}

From source file:org.bozzo.ipplan.domain.model.ui.InfrastructureResource.java

/**
 * @param id/*from   w w  w  .j  a v  a 2s  .  c  o m*/
 * @param description
 * @param crm
 * @param group
 */
@JsonCreator
public InfrastructureResource(@JsonProperty("id") Integer id, @JsonProperty String description,
        @JsonProperty String crm, @JsonProperty String group, @JsonProperty Iterable<Zone> zones,
        @JsonProperty Iterable<Subnet> subnets) {
    this.id = id;
    this.description = description;
    this.crm = crm;
    this.group = group;
    if (zones != null) {
        this.setZones(StreamSupport.stream(zones.spliterator(), true).map(new ToZoneResourceFunction()));
    }
    if (subnets != null) {
        this.setSubnets(StreamSupport.stream(subnets.spliterator(), true).map(new ToSubnetResourceFunction()));
    }
}

From source file:io.openshift.booster.service.FruitController.java

@ResponseBody
@GetMapping(produces = MediaType.APPLICATION_JSON_VALUE)
public List<Fruit> getAll() {
    Spliterator<Fruit> fruits = repository.findAll().spliterator();

    return StreamSupport.stream(fruits, false).collect(Collectors.toList());
}

From source file:edu.umd.umiacs.clip.tools.io.BZIP2Files.java

protected static Stream<CSVRecord> records(CSVFormat format, Path path) throws IOException {
    return StreamSupport.stream(format.parse(new BufferedReader(new InputStreamReader(
            new BZip2CompressorInputStream(new BufferedInputStream(newInputStream(path), BUFFER_SIZE)),
            UTF_8.newDecoder().onMalformedInput(IGNORE)))).spliterator(), false);
}

From source file:org.bozzo.ipplan.domain.model.ui.RangeResource.java

/**
 * @param id//  www .  j  av a  2s .c  o  m
 * @param ip
 * @param size
 * @param description
 * @param zoneId
 * @param infraId
 */
@JsonCreator
public RangeResource(@JsonProperty("id") Long id, @JsonProperty Long ip, @JsonProperty Long size,
        @JsonProperty Integer netmask, @JsonProperty String description, @JsonProperty Long zoneId,
        @JsonProperty Integer infraId, @JsonProperty Iterable<Subnet> subnets) {
    super();
    this.id = id;
    this.ip = ip;
    this.size = size;
    this.netmask = netmask;
    this.description = description;
    this.zoneId = zoneId;
    this.infraId = infraId;
    if (subnets != null) {
        this.setSubnets(StreamSupport.stream(subnets.spliterator(), true).map(new ToSubnetResourceFunction()));
    }
}

From source file:com.thinkbiganalytics.config.rest.controller.ConfigurationController.java

/**
 * Get the configuration information//from w w w .  ja va  2 s. com
 *
 * @return A map of name value key pairs
 */
@GET
@Path("/properties")
@Produces(MediaType.APPLICATION_JSON)
@ApiOperation("Gets the current Kylo configuration.")
@ApiResponses({
        @ApiResponse(code = 200, message = "Returns the configuration parameters.", response = Map.class) })
public Response getConfiguration() {
    final Map<String, Object> properties;

    if ((request.getRemoteAddr().equals("127.0.0.1") || request.getRemoteAddr().equals("0:0:0:0:0:0:0:1"))
            && env instanceof AbstractEnvironment) {
        properties = StreamSupport.stream(((AbstractEnvironment) env).getPropertySources().spliterator(), false)
                .filter(source -> source instanceof PropertiesPropertySource)
                .flatMap(source -> ((PropertiesPropertySource) source).getSource().entrySet().stream())
                .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue, (value1, value2) -> value1));
    } else {
        properties = Collections.emptyMap();
    }

    return Response.ok(properties).build();
}

From source file:com.rationaldevelopers.oss.service.CacheService.java

@Scheduled(fixedRate = 60000)
public void trueUpCache() {
    if (!lock.isLocked()) {
        lock.lock();/*from  www.  ja va  2s.co  m*/
        try {
            LOGGER.info("Running Timed Task");
            final Iterable<SimpleItem> all = simpleItemService.findAll();
            final AtomicInteger itemsUpdated = new AtomicInteger(0);
            StreamSupport.stream(all.spliterator(), false).filter(i -> !cache.containsKey(i.getSid())
                    || cache.containsKey(i.getSid()) && !cache.get(i.getSid()).equals(i)).forEach(i -> {
                        cache.put(i.getSid(), i);
                        itemsUpdated.incrementAndGet();
                    });
            LOGGER.info("Total Items Updated: {}", itemsUpdated.get());
        } finally {
            lock.unlock();
        }
    }
}

From source file:org.sonar.scanner.bootstrap.ScannerPluginPredicate.java

private static List<String> propertyValues(Settings settings, String key, String defaultValue) {
    String s = StringUtils.defaultIfEmpty(settings.getString(key), defaultValue);
    return StreamSupport.stream(Splitter.on(",").trimResults().omitEmptyStrings().split(s).spliterator(), false)
            .collect(Collectors.toList());
}

From source file:com.yahoo.bard.webservice.config.ModuleLoader.java

/**
 * Get a stream of configurations in descending order of precedence given a list of dependent modules.
 *
 * @param dependentModules  The list of modules which are depended on
 *
 * @return A stream of module configurations in descending order of precedence
 *//* www  . j a  v a 2 s.  c o m*/
public Stream<Configuration> getConfigurations(List<String> dependentModules) {
    LOG.debug("Resolving dependent modules: {}", dependentModules);
    ConfigurationGraph graph = loadConfigurationGraph();

    Iterable<String> reverseList = () -> dependentModules.stream()
            .collect(Collectors.toCollection(LinkedList::new)).descendingIterator();

    // Because we want the configurations in precedence order, process the dependent modules from right to left,
    // deduping redundant (repeated with lower precedence) dependencies
    return StreamSupport.stream(reverseList.spliterator(), false).flatMap(graph::preOrderRightToLeftTraversal)
            .distinct().map(graph::getConfiguration);
}

From source file:com.steelbridgelabs.oss.neo4j.Neo4JTestGraphProvider.java

@Override
public Map<String, Object> getBaseConfiguration(String graphName, Class<?> test, String testMethodName,
        LoadGraphWith.GraphData graphData) {
    // build configuration
    Configuration configuration = Neo4JGraphConfigurationBuilder.connect("localhost", "neo4j", "123")
            .withName(graphName).withElementIdProvider(ElementIdProvider.class).build();
    // create property map from configuration
    Map<String, Object> map = StreamSupport
            .stream(Spliterators.spliteratorUnknownSize(configuration.getKeys(),
                    Spliterator.NONNULL | Spliterator.IMMUTABLE), false)
            .collect(Collectors.toMap(key -> key, configuration::getProperty));
    // append class name
    map.put(Graph.GRAPH, Neo4JGraph.class.getName());
    // return configuration map
    return map;/* ww  w .  ja  v a2s  . c om*/
}