Example usage for java.util.stream Collectors toList

List of usage examples for java.util.stream Collectors toList

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Introduction

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

Prototype

public static <T> Collector<T, ?, List<T>> toList()

Source Link

Document

Returns a Collector that accumulates the input elements into a new List .

Usage

From source file:fr.jetoile.hadoopunit.HadoopStandaloneBootstrap.java

public static void main(String[] args) throws BootstrapException {
    try {/*from  ww  w . j av a 2s  . co  m*/
        configuration = new PropertiesConfiguration("hadoop.properties");
    } catch (ConfigurationException e) {
        throw new BootstrapException("bad config", e);
    }

    HadoopBootstrap bootstrap = HadoopBootstrap.INSTANCE;

    bootstrap.componentsToStart = bootstrap.componentsToStart.stream()
            .filter(c -> configuration.containsKey(c.getName().toLowerCase())
                    && configuration.getBoolean(c.getName().toLowerCase()))
            .collect(Collectors.toList());

    bootstrap.componentsToStop = bootstrap.componentsToStop.stream()
            .filter(c -> configuration.containsKey(c.getName().toLowerCase())
                    && configuration.getBoolean(c.getName().toLowerCase()))
            .collect(Collectors.toList());

    Runtime.getRuntime().addShutdownHook(new Thread() {
        public void run() {
            LOGGER.info("All services are going to be stopped");
            bootstrap.stopAll();
        }
    });

    bootstrap.startAll();

}

From source file:org.neo4j.nlp.examples.wikipedia.main.java

public static void main(String[] args) throws IOException {
    List<Map<String, Object>> results = getWikipediaArticles();

    results = results.stream().filter(a -> !a.get("title").toString().trim().isEmpty())
            .collect(Collectors.toList());
    //System.out.println(results);
    // Train model
    results.forEach(row -> {/*  ww w. j a  v a  2s  . com*/
        System.out.println("Training on '" + row.get("title").toString() + "'");
        String articleText = getArticleText(row.get("title").toString());
        if (articleText != null) {
            trainOnText(new String[] { (String) articleText }, new String[] { (String) row.get("title") });
        }

    });

    //System.out.println(results);
    //        try {
    //            Thread.sleep(10);
    //        } catch (InterruptedException e) {
    //            e.printStackTrace();
    //        }
}

From source file:cc.kave.commons.pointsto.evaluation.runners.ProjectStoreRunner.java

public static void main(String[] args) throws IOException {
    Path storeDir = Paths.get(args[0]);
    try (ProjectUsageStore store = new ProjectUsageStore(storeDir)) {
        List<ICoReTypeName> types = new ArrayList<>(store.getAllTypes());
        types.sort(new TypeNameComparator());

        System.out.println(// w  w  w  . j  a v a 2  s.c  o  m
                types.stream().filter(t -> t.getIdentifier().contains("KaVE.")).collect(Collectors.toList()));
        //         if (args.length == 1 || args[1].equals("countFilteredUsages")) {
        //            countFilteredUsages(types, store);
        //         } else if (args[1].equals("countRecvCallSites")) {
        //            countRecvCallSites(types, store);
        //         }
        // methodPropabilities(types, store);
    }

}

From source file:com.khartec.waltz.jobs.sample.CapabilityGenerator.java

public static void main(String[] args) throws IOException {

    AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(DIConfiguration.class);
    DSLContext dsl = ctx.getBean(DSLContext.class);

    List<String> lines = readLines(CapabilityGenerator.class.getResourceAsStream("/capabilities.csv"));

    System.out.println("Deleting existing Caps's");
    dsl.deleteFrom(CAPABILITY).execute();

    List<CapabilityRecord> records = lines.stream().skip(1).map(line -> line.split("\t"))
            .filter(cells -> cells.length == 4).map(cells -> {
                CapabilityRecord record = new CapabilityRecord();
                record.setId(longVal(cells[0]));
                record.setParentId(longVal(cells[1]));
                record.setName(cells[2]);
                record.setDescription(cells[3]);

                System.out.println(record);
                return record;
            }).collect(Collectors.toList());

    System.out.println("Inserting new Caps's");
    dsl.batchInsert(records).execute();//from   w  w  w . j  a v a2 s.  c  om

    System.out.println("Done");

}

From source file:com.khartec.waltz.jobs.sample.OrgUnitGenerator.java

public static void main(String[] args) throws IOException {

    AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(DIConfiguration.class);
    DSLContext dsl = ctx.getBean(DSLContext.class);

    List<String> lines = readLines(OrgUnitGenerator.class.getResourceAsStream("/org-units.csv"));

    System.out.println("Deleting existing OU's");
    dsl.deleteFrom(ORGANISATIONAL_UNIT).execute();

    List<OrganisationalUnitRecord> records = lines.stream().skip(1)
            .map(line -> StringUtils.splitPreserveAllTokens(line, ",")).filter(cells -> cells.length == 4)
            .map(cells -> {/*from w  w  w. j a  v  a  2  s. c om*/
                OrganisationalUnitRecord record = new OrganisationalUnitRecord();
                record.setId(longVal(cells[0]));
                record.setParentId(longVal(cells[1]));
                record.setName(cells[2]);
                record.setDescription(cells[3]);
                record.setUpdatedAt(new Timestamp(System.currentTimeMillis()));

                System.out.println(record);
                return record;
            }).collect(Collectors.toList());

    System.out.println("Inserting new OU's");
    dsl.batchInsert(records).execute();

    System.out.println("Done");

}

From source file:com.seleniumtests.util.helper.AppTestDocumentation.java

public static void main(String[] args) throws IOException {
    File srcDir = Paths.get(args[0].replace(File.separator, "/"), "src", "test", "java").toFile();

    javadoc = new StringBuilder(
            "Cette page rfrence l'ensemble des tests et des opration disponible pour l'application\n");
    javadoc.append("\n{toc}\n\n");
    javadoc.append("${project.summary}\n");
    javadoc.append("h1. Tests\n");
    try {/* w w  w  .j av a  2  s.  c om*/
        Path testsFolders = Files.walk(Paths.get(srcDir.getAbsolutePath())).filter(Files::isDirectory)
                .filter(p -> p.getFileName().toString().equals("tests")).collect(Collectors.toList()).get(0);

        exploreTests(testsFolders.toFile());
    } catch (IndexOutOfBoundsException e) {
        throw new ConfigurationException("no 'tests' sub-package found");
    }

    javadoc.append("----");
    javadoc.append("h1. Pages\n");
    try {
        Path pagesFolders = Files.walk(Paths.get(srcDir.getAbsolutePath())).filter(Files::isDirectory)
                .filter(p -> p.getFileName().toString().equals("webpage")).collect(Collectors.toList()).get(0);

        explorePages(pagesFolders.toFile());
    } catch (IndexOutOfBoundsException e) {
        throw new ConfigurationException("no 'webpage' sub-package found");
    }

    javadoc.append("${project.scmManager}\n");
    FileUtils.write(Paths.get(args[0], "src/site/confluence/template.confluence").toFile(), javadoc,
            Charset.forName("UTF-8"));
}

From source file:com.bobby.peng.learning.java.stream.StreamMap.java

public static void main(String[] args) {
    //        List<Integer> list = StreamMap.newRandomList();
    ///*from ww  w  . ja v  a  2  s  . c  o m*/
    //        List<Integer> list2 = list.stream().map(i->i*5).collect(Collectors.toList());
    //
    //        StreamMap.printOut(list2);
    //
    //        list = list.subList(0,11);
    //        StreamMap.printOut(list);
    //
    //        String value = "INSERT INTO tech_subao_00.subao_renew_list (id, extra_info, gmt_created, gmt_modified, is_deleted, creator, modifier, remark, status, unqiue_flag, list_biz_id, province_name, province_code, city_name, city_code, license_no, engine_no, frame_no, factory_plate_model, first_register_date, applicant_name, owner_name, owner_certificate_type, owner_id_no, owner_mobile, contact_phone1, contact_phone2, bi_end_date, ci_end_date, vehicle_id, list_allocation_time, booking_start_date, booking_end_date, user_id, renew_batch_id, renew_biz_name, source, organization_id) VALUES (%d, null, '2018-08-07 02:50:36', '2018-08-07 02:50:37', 'N', '', 'system', null, 10, '000000%d', '1', '', '110000', '', '110100', '12312313', '12313', '31231', '111', '2018-05-12', '123', '123', 1, '310111111111111111', '13311111111', '13311111111', '13311111111', '2019-08-07 05:24:56', '2019-08-07 05:25:03', 1, null, null, null, null, %d, 'batch1', 50, 1);";
    //
    //        int id = 3;
    //        for(int i=3;i<100;i++) {
    //            for(int j=0;j<2;j++) {
    //                System.out.println(String.format(value,id,id,i));
    //                id++;
    //            }
    //        }

    List<Integer> test = new ArrayList<>();
    for (int i = 0; i < 1000; i++) {
        test.add(i);
    }

    test.parallelStream().map(i -> {
        System.out.println(i);
        return i;
    }).collect(Collectors.toList());

    System.out.println("===================================");

    test.stream().map(i -> {
        System.out.println(i);
        return i;
    }).collect(Collectors.toList());

}

From source file:com.cloudera.oryx.app.traffic.TrafficUtil.java

public static void main(String[] args) throws Exception {
    if (args.length < 3) {
        System.err.println("usage: TrafficUtil [hosts] [requestIntervalMS] [threads] [... other args]");
        return;/*from  w  ww .j  a  va 2s  .c  o  m*/
    }

    String[] hostStrings = COMMA.split(args[0]);
    Preconditions.checkArgument(hostStrings.length >= 1);
    int requestIntervalMS = Integer.parseInt(args[1]);
    Preconditions.checkArgument(requestIntervalMS >= 0);
    int numThreads = Integer.parseInt(args[2]);
    Preconditions.checkArgument(numThreads >= 1);

    String[] otherArgs = new String[args.length - 3];
    System.arraycopy(args, 3, otherArgs, 0, otherArgs.length);

    List<URI> hosts = Arrays.stream(hostStrings).map(URI::create).collect(Collectors.toList());

    int perClientRequestIntervalMS = numThreads * requestIntervalMS;

    Endpoints alsEndpoints = new Endpoints(ALSEndpoint.buildALSEndpoints());
    AtomicLong requestCount = new AtomicLong();
    AtomicLong serverErrorCount = new AtomicLong();
    AtomicLong clientErrorCount = new AtomicLong();
    AtomicLong exceptionCount = new AtomicLong();

    long start = System.currentTimeMillis();
    ExecUtils.doInParallel(numThreads, numThreads, true, i -> {
        RandomGenerator random = RandomManager.getRandom(Integer.toString(i).hashCode() ^ System.nanoTime());
        ExponentialDistribution msBetweenRequests;
        if (perClientRequestIntervalMS > 0) {
            msBetweenRequests = new ExponentialDistribution(random, perClientRequestIntervalMS);
        } else {
            msBetweenRequests = null;
        }

        ClientConfig clientConfig = new ClientConfig();
        PoolingHttpClientConnectionManager connectionManager = new PoolingHttpClientConnectionManager();
        connectionManager.setMaxTotal(numThreads);
        connectionManager.setDefaultMaxPerRoute(numThreads);
        clientConfig.property(ApacheClientProperties.CONNECTION_MANAGER, connectionManager);
        clientConfig.connectorProvider(new ApacheConnectorProvider());
        Client client = ClientBuilder.newClient(clientConfig);

        try {
            while (true) {
                try {
                    WebTarget target = client.target("http://" + hosts.get(random.nextInt(hosts.size())));
                    Endpoint endpoint = alsEndpoints.chooseEndpoint(random);
                    Invocation invocation = endpoint.makeInvocation(target, otherArgs, random);

                    long startTime = System.currentTimeMillis();
                    Response response = invocation.invoke();
                    try {
                        response.readEntity(String.class);
                    } finally {
                        response.close();
                    }
                    long elapsedMS = System.currentTimeMillis() - startTime;

                    int statusCode = response.getStatusInfo().getStatusCode();
                    if (statusCode >= 400) {
                        if (statusCode >= 500) {
                            serverErrorCount.incrementAndGet();
                        } else {
                            clientErrorCount.incrementAndGet();
                        }
                    }

                    endpoint.recordTiming(elapsedMS);

                    if (requestCount.incrementAndGet() % 10000 == 0) {
                        long elapsed = System.currentTimeMillis() - start;
                        log.info("{}ms:\t{} requests\t({} client errors\t{} server errors\t{} exceptions)",
                                elapsed, requestCount.get(), clientErrorCount.get(), serverErrorCount.get(),
                                exceptionCount.get());
                        for (Endpoint e : alsEndpoints.getEndpoints()) {
                            log.info("{}", e);
                        }
                    }

                    if (msBetweenRequests != null) {
                        int desiredElapsedMS = (int) Math.round(msBetweenRequests.sample());
                        if (elapsedMS < desiredElapsedMS) {
                            Thread.sleep(desiredElapsedMS - elapsedMS);
                        }
                    }
                } catch (Exception e) {
                    exceptionCount.incrementAndGet();
                    log.warn("{}", e.getMessage());
                }
            }
        } finally {
            client.close();
        }
    });
}

From source file:io.fabric8.vertx.maven.plugin.FileFilterMain.java

public static void main(String[] args) {

    Commandline commandline = new Commandline();
    commandline.setExecutable("java");
    commandline.createArg().setValue("io.vertx.core.Launcher");
    commandline.createArg().setValue("--redeploy=target/**/*");

    System.out.println(commandline);/*from  w  ww. j  ava 2 s .  co m*/

    File baseDir = new File("/Users/kameshs/git/fabric8io/vertx-maven-plugin/samples/vertx-demo");
    List<String> includes = new ArrayList<>();
    includes.add("src/**/*.java");
    //FileAlterationMonitor monitor  = null;
    try {

        Set<Path> inclDirs = new HashSet<>();

        includes.forEach(s -> {
            try {

                if (s.startsWith("**")) {
                    Path rootPath = Paths.get(baseDir.toString());
                    if (Files.exists(rootPath)) {
                        File[] dirs = rootPath.toFile().listFiles((dir, name) -> dir.isDirectory());
                        Objects.requireNonNull(dirs);
                        Stream.of(dirs).forEach(f -> inclDirs.add(Paths.get(f.toString())));
                    }
                } else if (s.contains("**")) {
                    String root = s.substring(0, s.indexOf("/**"));
                    Path rootPath = Paths.get(baseDir.toString(), root);
                    if (Files.exists(rootPath)) {
                        File[] dirs = rootPath.toFile().listFiles((dir, name) -> dir.isDirectory());
                        Objects.requireNonNull(dirs);
                        Stream.of(dirs).forEach(f -> inclDirs.add(Paths.get(f.toString())));
                    }
                }

                List<Path> dirs = FileUtils.getFileAndDirectoryNames(baseDir, s, null, true, true, true, true)
                        .stream().map(FileUtils::dirname).map(Paths::get)
                        .filter(p -> Files.exists(p) && Files.isDirectory(p)).collect(Collectors.toList());

                inclDirs.addAll(dirs);

            } catch (Exception e) {
                e.printStackTrace();
            }
        });

        FileAlterationMonitor monitor = fileWatcher(inclDirs);

        Runnable monitorTask = () -> {
            try {
                monitor.start();
            } catch (Exception e) {
                e.printStackTrace();
            }
        };

        monitorTask.run();

    } catch (Exception e) {
        e.printStackTrace();
    }

}

From source file:io.reactiverse.vertx.maven.plugin.FileFilterMain.java

public static void main(String[] args) {

    Commandline commandline = new Commandline();
    commandline.setExecutable("java");
    commandline.createArg().setValue("io.vertx.core.Launcher");
    commandline.createArg().setValue("--redeploy=target/**/*");

    System.out.println(commandline);/*from  w  ww .ja v  a  2 s  .c  om*/

    File baseDir = new File("/Users/kameshs/git/reactiverse/vertx-maven-plugin/samples/vertx-demo");
    List<String> includes = new ArrayList<>();
    includes.add("src/**/*.java");
    //FileAlterationMonitor monitor  = null;
    try {

        Set<Path> inclDirs = new HashSet<>();

        includes.forEach(s -> {
            try {

                if (s.startsWith("**")) {
                    Path rootPath = Paths.get(baseDir.toString());
                    if (Files.exists(rootPath)) {
                        File[] dirs = rootPath.toFile().listFiles((dir, name) -> dir.isDirectory());
                        Objects.requireNonNull(dirs);
                        Stream.of(dirs).forEach(f -> inclDirs.add(Paths.get(f.toString())));
                    }
                } else if (s.contains("**")) {
                    String root = s.substring(0, s.indexOf("/**"));
                    Path rootPath = Paths.get(baseDir.toString(), root);
                    if (Files.exists(rootPath)) {
                        File[] dirs = rootPath.toFile().listFiles((dir, name) -> dir.isDirectory());
                        Objects.requireNonNull(dirs);
                        Stream.of(dirs).forEach(f -> inclDirs.add(Paths.get(f.toString())));
                    }
                }

                List<Path> dirs = FileUtils.getFileAndDirectoryNames(baseDir, s, null, true, true, true, true)
                        .stream().map(FileUtils::dirname).map(Paths::get)
                        .filter(p -> Files.exists(p) && Files.isDirectory(p)).collect(Collectors.toList());

                inclDirs.addAll(dirs);

            } catch (Exception e) {
                e.printStackTrace();
            }
        });

        FileAlterationMonitor monitor = fileWatcher(inclDirs);

        Runnable monitorTask = () -> {
            try {
                monitor.start();
            } catch (Exception e) {
                e.printStackTrace();
            }
        };

        monitorTask.run();

    } catch (Exception e) {
        e.printStackTrace();
    }

}