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:de.qaware.showcase.spock.spring.UserManager.java

/**
 * Deactivate alle users in our repository.
 *///from   www .j av  a 2s.c om
public void deactiveAll() {
    Collection<User> all = repository.all();
    all.stream().map(User::deactivate).forEach(repository::store);
}

From source file:com.github.horrorho.inflatabledonkey.requests.MappedHeaders.java

public MappedHeaders(Collection<Header> headers) {
    this.headers = headers.stream()
            .collect(Collectors.toMap(header -> header.getName().toLowerCase(Locale.US), Function.identity()));
}

From source file:org.openmhealth.dsu.repository.ClientDetailsRepositoryIntegrationTests.java

protected List<GrantedAuthority> asGrantedAuthorities(Collection<String> roles) {

    return roles.stream().map(SimpleGrantedAuthority::new).collect(Collectors.toList());
}

From source file:org.vaadin.peholmst.samples.dddwebinar.domain.doctors.LicenseService.java

public Optional<License> selectBestLicense(Collection<Procedure> procedures, Collection<License> licenses) {
    Set<License> availableLicenses = licenses.stream().filter(
            l -> procedures.stream().allMatch(p -> p.getCategory().getLicenseTypes().containsKey(l.getType())))
            .collect(Collectors.toSet());
    if (availableLicenses.isEmpty()) {
        return Optional.empty();
    } else {//w ww.j  a v a2s . c  o  m
        License best = null;
        int bestRank = Integer.MAX_VALUE;
        for (License l : availableLicenses) {
            for (Procedure p : procedures) {
                int rank = p.getCategory().getLicenseTypes().get(l.getType());
                if (rank < bestRank) {
                    bestRank = rank;
                    best = l;
                }
            }
        }
        return Optional.ofNullable(best);
    }
}

From source file:oauth2.authentication.approvals.ApprovalServiceImpl.java

@Override
public boolean addApprovals(Collection<Approval> approvals) {
    approvals.stream() //
            .map(ApprovalServiceImpl::toEntity) //
            .forEach(entity -> approvalRepository.save(entity));
    return true;//from  w  ww .j a v a 2s .c om
}

From source file:oauth2.authentication.approvals.ApprovalServiceImpl.java

@Override
public boolean revokeApprovals(Collection<Approval> approvals) {
    approvals.stream() //
            .map(ApprovalServiceImpl::toPrimaryKey) //
            .forEach(pk -> approvalRepository.delete(pk));
    return true;// w  w  w. ja  v  a2s  .c  o  m
}

From source file:org.trustedanalytics.cloud.uaa.UaaClient.java

@Override
public Collection<UserIdNamePair> findUserNames(Collection<UUID> users) {
    String filter = users.stream().map(uuid -> "Id eq \"" + uuid + "\"").collect(joining(" or "));

    String path = uaaBaseUrl + "/Users?attributes=id,userName&filter=" + filter;
    return uaaRestTemplate.getForObject(path, UserIdNameList.class).getUsers();
}

From source file:de.ks.flatadocdb.session.dirtycheck.DirtyChecker.java

public Collection<SessionEntry> findDirty(Collection<SessionEntry> values) {
    return values.stream()//
            .filter(e -> !insertions.contains(e.getObject()))//
            .filter(e -> !deletions.contains(e.getObject()))//
            .filter(e -> {/*from   ww w .  j a  v a2  s . c om*/
                EntityDescriptor entityDescriptor = e.getEntityDescriptor();
                EntityPersister persister = entityDescriptor.getPersister();
                byte[] fileContents = persister.createFileContents(repository, entityDescriptor, e.getObject());
                byte[] md5 = DigestUtils.md5(fileContents);
                boolean dirty = !Arrays.equals(md5, e.getMd5());
                if (dirty) {
                    log.debug("Found dirty entity {} {}", e.getObject(), e.getFileName());
                } else {
                    log.trace("Non-dirty entity {} {}", e.getObject(), e.getFileName());
                }
                return dirty;
            }).collect(Collectors.toSet());
}

From source file:com.github.horrorho.inflatabledonkey.args.ArgsManager.java

public ArgsManager(Collection<Arg> args) {
    this.args = args.stream().collect(
            Collectors.toMap(Arg::option, Function.identity(), ArgsManager::merge, LinkedHashMap::new));
}

From source file:com.groovycoder.BookService.java

public Collection<Book> listAvailableBooks() {
    Collection<Book> existingBooks = bookRepository.findAll();

    Collection<Book> availableBooks = existingBooks.stream().filter(Book::isAvailable)
            .collect(Collectors.toList());

    return availableBooks;
}