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:com.qpark.eip.core.sftp.SftpDownload.java

/**
 * Get the list of Objects from the SFTP.
 *
 * @param typeFactory/*from w ww .java 2s  . co m*/
 *            the factory creating a list of T.
 * @param baseDir
 *            base source directory to get the files from (e.g. incoming)
 * @param fileNamePart
 *            the part, the file name need to contain (e.g. logs).
 * @param fileFormat
 *            the file format (e.g. xml, txt, json ...)
 * @return the list of Objects.
 */
public <T> List<T> getObjects(final TypeFactory<T> typeFactory, final String baseDir, final String fileNamePart,
        final String fileFormat) {
    this.logger.debug("+getObjects");
    final List<T> value = new ArrayList<>();
    final String sourceDir = this.sftpGateway.getFilePath(baseDir, SftpGateway.DIRECTORY_OPEN);
    try {
        final Collection<String> filePathes = this.sftpGateway.getTreeOfFiles(sourceDir,
                String.format("20.*?%s.%s", fileNamePart, fileFormat));
        filePathes.stream().sorted()
                .forEach(filePath -> value.addAll(this.getObject(typeFactory, baseDir, filePath)));
    } catch (final Exception e) {
        this.logger.error(String.format("%s:%s", sourceDir, e.getMessage()), e);
    } finally {
        this.logger.debug("-getObjects {} #{}", sourceDir, value.size());
    }
    return value;
}

From source file:com.github.totyumengr.minicubes.cluster.BootTimeSeriesMiniCubeController.java

@RequestMapping(value = "/status", method = RequestMethod.GET)
public @ResponseBody Map<String, List<String>> status() {

    Map<String, List<String>> status = new LinkedHashMap<>();
    Collection<String> allCubeIds = manager.allCubeIds();
    status.put("working", allCubeIds.stream().filter(e -> !e.startsWith("?")).collect(Collectors.toList()));
    status.put("awaiting", allCubeIds.stream().filter(e -> e.startsWith("?")).collect(Collectors.toList()));

    LOGGER.info("All miniCube size in cluster: {}, working/awaiting is {}/{}", allCubeIds.size(),
            status.get("working").size(), status.get("awaiting").size());

    return status;
}

From source file:ru.apertum.qsystem.server.Spring.java

public void saveAll(Collection list) {
    final Session ses = getTxManager().getSessionFactory().getCurrentSession();
    list.stream().forEach((object) -> {
        ses.save(object);//from   w  ww.  ja  v a 2  s  . c o  m
    });
    ses.flush();
}

From source file:ru.apertum.qsystem.server.Spring.java

public void saveOrUpdateAll(Collection list) {
    final Session ses = getTxManager().getSessionFactory().getCurrentSession();
    list.stream().forEach((object) -> {
        ses.saveOrUpdate(object);/*from   ww  w.j a v a  2 s  .  c o m*/
    });
    ses.flush();
}

From source file:ru.apertum.qsystem.server.Spring.java

public void deleteAll(Collection list) {
    final Session ses = getTxManager().getSessionFactory().getCurrentSession();
    list.stream().forEach((object) -> {
        ses.delete(object);//  ww  w  .j a v  a 2  s  .  c  o  m
    });
    ses.flush();
}

From source file:com.github.ukase.toolkit.jar.JarSource.java

@Autowired
public JarSource(CompoundTemplateLoader templateLoader, UkaseSettings settings) {
    this.templateLoader = templateLoader;

    if (settings.getJar() == null) {
        classLoader = null;/*  w  w  w.  j av a  2  s. co  m*/
        fonts = Collections.emptyList();

        return;
    }

    try {
        URL jar = settings.getJar().toURI().toURL();

        Collection<String> props = templateLoader.getResources(IS_HELPERS_CONFIGURATION);

        Properties properties = new Properties();
        props.stream().map(templateLoader::getResource).filter(entry -> entry != null).map(this::mapZipEntry)
                .filter(stream -> stream != null).forEach(stream -> loadStreamToProperties(stream, properties));
        properties.forEach(this::registerHelper);

        fonts = templateLoader.getResources(IS_FONT).parallelStream().map(font -> "jar:" + jar + "!/" + font)
                .collect(Collectors.toList());

        if (hasHelpers()) {
            URL[] jars = new URL[] { jar };
            classLoader = new URLClassLoader(jars, getClass().getClassLoader());
            helpers.forEach((name, className) -> helpersInstances.put(name, getHelper(className)));
        } else {
            classLoader = null;
        }

    } catch (IOException e) {
        throw new IllegalStateException("Wrong configuration", e);
    }
}

From source file:co.runrightfast.core.security.cert.CAIssuedX509V3CertRequest.java

private void checkConstraints(final Collection<X509CertExtension> extensions) {
    if (CollectionUtils.isEmpty(extensions)) {
        return;//from w ww  .ja  va 2  s . co  m
    }

    final Extensions exts = new Extensions(
            extensions.stream().map(X509CertExtension::toExtension).toArray(Extension[]::new));
    checkArgument(AuthorityKeyIdentifier.fromExtensions(exts) == null,
            "AuthorityKeyIdentifier must not be specified as an extension - it is added automatically");
}

From source file:ch.wisv.areafiftylan.products.service.TicketServiceImpl.java

private Collection<Ticket> getCaptainedTickets(User u) {
    Collection<Team> captainedTeams = teamService.getTeamByCaptainId(u.getId());

    return captainedTeams.stream().flatMap(t -> t.getMembers().stream()).filter(m -> !m.equals(u))
            .flatMap(m -> ticketRepository.findAllByOwnerUsernameIgnoreCase(m.getUsername()).stream()
                    .filter(Ticket::isValid))
            .collect(Collectors.toList());
}

From source file:com.khartec.waltz.data.application.AppTagDao.java

public int[] updateTags(long id, Collection<String> tags) {
    LOG.info("Updating tags for application " + id + ", tags: " + tags);

    dsl.delete(APPLICATION_TAG).where(APPLICATION_TAG.APPLICATION_ID.eq(id)).execute();

    List<ApplicationTagRecord> records = tags.stream().map(t -> new ApplicationTagRecord(id, t))
            .collect(Collectors.toList());

    return dsl.batchInsert(records).execute();
}

From source file:ddf.catalog.metacard.duplication.DuplicationValidator.java

private String collectionToString(final Collection collection) {

    return (String) collection.stream().map(Object::toString).sorted().collect(Collectors.joining(", "));
}