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:org.trustedanalytics.user.current.AuthDetailsFinder.java

@Override
public UserRole getRole(Authentication authentication) {
    Collection<? extends GrantedAuthority> authorities = authentication.getAuthorities();
    if (authorities == null || authorities.isEmpty())
        return UserRole.USER;

    boolean isAdmin = authorities.stream().map(GrantedAuthority::getAuthority)
            .filter(ADMIN_ROLE::equalsIgnoreCase).count() > 0;

    return isAdmin ? UserRole.ADMIN : UserRole.USER;
}

From source file:delfos.rs.contentbased.vsm.booleanvsm.SparseVector.java

public SparseVector(Collection<Key> domain) {
    map = Collections.synchronizedMap(new HashMap<>());

    this.domain = Collections.synchronizedSet(domain.stream().collect(Collectors.toSet()));
}

From source file:sagan.projects.support.BadgeController.java

private Optional<ProjectRelease> getRelease(Collection<ProjectRelease> projectReleases,
        Predicate<ProjectRelease> predicate) {

    Optional<ProjectRelease> first = projectReleases //
            .stream() //
            .filter(projectRelease -> predicate.test(projectRelease) && projectRelease.isCurrent()) //
            .findFirst();/*from   ww w . j a v  a 2 s  .  com*/

    if (first.isPresent()) {
        return first;
    }

    return projectReleases //
            .stream() //
            .filter(projectRelease -> predicate.test(projectRelease)) //
            .findFirst();
}

From source file:de.science.hack.Main.java

/**
 * This method process the arguments.//w  ww. j  a  va  2s.  c om
 *
 * @param args
 * @throws ParseException
 */
private void process(String[] args) throws ParseException {
    CommandLine commandLine = parser.parse(options, args);
    Collection<File> inputFiles = getInputFiles(commandLine);

    if (!inputFiles.isEmpty()) {
        JetStreamModelWriter modelWriter = createModelWriter(commandLine);

        inputFiles.stream().forEach((f) -> {
            TriangleMesh mesh = windModelBuilder.build(f);
            modelWriter.addWindModel(mesh);
        });

        modelWriter.write(getOutput(commandLine));
    } else {
        HelpFormatter formatter = new HelpFormatter();
        formatter.printHelp(APP, options);
    }
}

From source file:net.riezebos.thoth.user.BasicUserManager.java

@Override
public List<User> listUsers() throws UserManagerException {
    Collection<Identity> identities = identityDao.getIdentities().values();
    Stream<User> filter = identities.stream()//
            .filter(usr -> usr instanceof User)//
            .map(u -> (User) u);//www  .ja  va 2s  . c o m
    List<User> users = filter.collect(Collectors.toList());
    Collections.sort(users);
    return users;
}

From source file:org.trustedanalytics.servicecatalog.service.rest.ServiceInstancesControllerHelpers.java

public void mergeServiceKeys(Collection<ServiceInstance> instances, Observable<ServiceKey> serviceKeys) {
    Map<UUID, List<ServiceKey>> serviceKeysIndex = createServiceKeysIndex(serviceKeys);

    instances.stream().forEach(i -> i
            .setServiceKeys(Optional.ofNullable(serviceKeysIndex.get(i.getGuid())).orElse(new ArrayList<>())));
}

From source file:net.riezebos.thoth.user.BasicUserManager.java

@Override
public List<Group> listGroups() throws UserManagerException {
    Collection<Identity> identities = identityDao.getIdentities().values();
    Stream<Group> filter = identities.stream()//
            .filter(grp -> grp instanceof Group)//
            .map(g -> (Group) g);
    List<Group> groups = filter.collect(Collectors.toList());
    Collections.sort(groups);//from ww  w . j a v a 2s .  c o  m
    return groups;
}

From source file:bjerne.gallery.service.impl.GalleryAuthorizationServiceSSImpl.java

private Map<String, File> getRootPathsForRoles(Collection<String> roles, Collection<GalleryRootDir> rootDirs) {
    Map<String, File> rootPathsForRoles = rootDirs.stream().filter(r -> roles.contains(r.getRole()))
            .collect(Collectors.toMap(GalleryRootDir::getName, GalleryRootDir::getDir));
    LOG.debug("Root paths for roles {}: {}", roles, rootPathsForRoles);
    return rootPathsForRoles;
}

From source file:com.evolveum.midpoint.wf.impl.processors.primary.policy.PolicyRuleBasedAspect.java

List<EvaluatedPolicyRule> selectTriggeredApprovalActionRules(Collection<EvaluatedPolicyRule> rules) {
    return rules.stream()
            .filter(r -> r.isTriggered() && r.containsEnabledAction(ApprovalPolicyActionType.class))
            .collect(Collectors.toList());
}

From source file:com.ibm.watson.catalyst.jumpqa.template.ATemplate.java

private final List<Answer> trecs2answers(Collection<Trec> trecs) {
    final List<Answer> result = new ArrayList<Answer>();
    trecs.stream().forEachOrdered((t) -> result.addAll(t.splitInto(_answerSize)));
    return result;
}