Example usage for java.util Collection stream

Introduction

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

Prototype

default Stream<E> stream()

Source Link

Document

Returns a sequential Stream with this collection as its source.

Usage

From source file:it.unibo.alchemist.model.implementations.conditions.BiomolPresentInNeighbor.java

@Override
public Map<Node<Double>, Double> getValidNeighbors(final Collection<? extends Node<Double>> neighborhood) {
    propensity = 0;/*from  w w w. j ava  2 s . c  o m*/
    neigh = neighborhood.stream().filter(n -> n instanceof CellNode && n.getConcentration(mol) >= conc)
            .collect(Collectors.<Node<Double>, Node<Double>, Double>toMap(n -> n, n -> CombinatoricsUtils
                    .binomialCoefficientDouble(n.getConcentration(mol).intValue(), conc.intValue())));
    if (!neigh.isEmpty()) {
        propensity = neigh.values().stream().max((d1, d2) -> d1.compareTo(d2)).get();
    }
    return new LinkedHashMap<>(neigh);
}

From source file:de.metas.ui.web.window.datatypes.json.JSONDocumentReferencesList.java

private JSONDocumentReferencesList(final Collection<DocumentReference> documentReferences,
        final JSONOptions jsonOpts) {
    super();//from   ww  w .  j a  v a  2  s  .c  o  m
    references = documentReferences.stream()
            .map(documentReference -> JSONDocumentReference.of(documentReference, jsonOpts))
            .filter(jsonDocumentReference -> jsonDocumentReference != null)
            .collect(GuavaCollectors.toImmutableList());
}

From source file:com.vmware.photon.controller.deployer.configuration.ServiceConfigurator.java

public void applyDynamicParameters(String mustacheDir, ContainersConfig.ContainerType containerType,
        final Map<String, ?> dynamicParameters) {
    File configDir = new File(mustacheDir, ServiceFileConstants.CONTAINER_CONFIG_ROOT_DIRS.get(containerType));
    Collection<File> files = FileUtils.listFiles(configDir, TrueFileFilter.INSTANCE, TrueFileFilter.INSTANCE);
    files.stream().forEach(file -> applyMustacheParameters(file, dynamicParameters));
}

From source file:com.paytmlabs.hazelcast.mapstore.HazelcastMapStore.java

@Override
public void deleteAll(final Collection<K> keys) {

    keys.stream().forEach((key) -> {
        delete(key);
    });

}

From source file:com.github.horrorho.inflatabledonkey.cloud.AuthorizeAssets.java

List<CloudKit.Asset> ckAssets(Collection<Asset> assets) {
    return assets.stream().map(Asset::asset).filter(Optional::isPresent).map(Optional::get)
            .collect(Collectors.toList());
}

From source file:com.github.horrorho.inflatabledonkey.cloud.AuthorizeAssets.java

Map<ByteString, List<Asset>> downloadables(Collection<Asset> assets) {
    return assets.stream().filter(this::isDownloadable)
            .collect(Collectors.groupingBy(a -> ByteString.copyFrom(a.fileSignature().get())));
}

From source file:ru.anr.base.BaseParent.java

/**
 * A short-cut method for simple mapping from a collection to a map
 * /*w ww  .j  a va  2s . co m*/
 * @param collection
 *            A collection
 * @param keyMapper
 *            A key mapper
 * @param valueMapper
 *            A value mapper
 * @return A new created map
 * 
 * @param <T>
 *            The type of collection items
 * @param <K>
 *            The type of map keys
 * @param <U>
 *            The type of map values
 */
public static <T, K, U> Map<K, U> toMap(Collection<T> collection, Function<? super T, ? extends K> keyMapper,
        Function<? super T, ? extends U> valueMapper) {

    return collection.stream().collect(Collectors.toMap(keyMapper, valueMapper));
}

From source file:org.openlmis.fulfillment.web.util.ProofOfDeliveryDtoBuilder.java

/**
 * Create a new list of {@link ProofOfDeliveryDto} based on data
 * from {@link Shipment}./*w ww  . j  a  v a  2 s.c  o m*/
 *
 * @param pods collection used to create {@link ProofOfDeliveryDto} list (can be {@code null})
 * @return new list of {@link ProofOfDeliveryDto}. Empty list if passed argument is {@code null}.
 */
public List<ProofOfDeliveryDto> build(Collection<ProofOfDelivery> pods) {
    if (null == pods) {
        return Collections.emptyList();
    }
    return pods.stream().map(this::export).collect(Collectors.toList());
}

From source file:com.github.yongchristophertang.engine.web.http.MultipartBodyFormBuilder.java

public MultipartBodyFormBuilder param(String name, Collection<String> values) {
    AssertUtils.notNull(name, "Parameter name must not be null.");
    values.stream().forEach(v -> builder.addTextBody(name, v, ContentType.TEXT_PLAIN));
    return this;
}

From source file:io.pivotal.cla.data.repository.CorporateSignatureRepository.java

default List<CorporateSignature> findSignatures(PageRequest pageable, Collection<String> organizations,
        Collection<String> emails) {
    List<String> emailDomains = emails == null || emails.isEmpty() ? EMPTY_LIST_FOR_QUERY
            : emails.stream().map(e -> e.substring(e.lastIndexOf("@") + 1)).collect(Collectors.toList());
    organizations = organizations.isEmpty() ? EMPTY_LIST_FOR_QUERY : organizations;
    return findSignaturesByOrganizationsAndEmailDomains(pageable, organizations, emailDomains);
}