Example usage for java.util Collections synchronizedSet

Introduction

In this page you can find the example usage for java.util Collections synchronizedSet.

Prototype

public static <T> Set<T> synchronizedSet(Set<T> s)

Source Link

Document

Returns a synchronized (thread-safe) set backed by the specified set.

Usage

From source file:strat.mining.multipool.stats.builder.CoinsolverStatsBuilder.java

public CoinsolverStatsBuilder() {
    currentAddresses = Collections.synchronizedSet(new HashSet<String>());
}

From source file:channellistmaker.listmaker.EPGListMaker.java

/**
 * EPG XML????????/* w ww  .  ja  va 2  s .  c om*/
 *
 * @return ???????Document????????
 */
public synchronized Set<Document> seek() {
    Set<Document> EPGs = Collections.synchronizedSet(new HashSet<Document>());
    List<File> FL = this.seeker.seek();
    for (File F : FL) {
        Document d = new XMLLoader(charset).Load(F);
        if (d != null) {
            LOG.info("EPG?????? EPG FILE = " + F.toString());
            EPGs.add(d);
        } else {
            LOG.warn(
                    "EPG?????????????? EPG FILE = "
                            + F.toString());
        }
    }
    return Collections.unmodifiableSet(EPGs);
}

From source file:org.apache.geode.internal.process.signal.AbstractSignalNotificationHandler.java

protected AbstractSignalNotificationHandler() {
    for (Signal signal : Signal.values()) {
        signalListeners.put(signal, Collections.synchronizedSet(new HashSet<>()));
    }//  ww w .j  av a2s . com
    // NOTE uncomment for debugging purposes...
    // debug();
}

From source file:io.wcm.caravan.pipeline.impl.JsonPipelineMultipleSubscriptionsTest.java

@Test
public void subscribeConcurrentlyToPlainPipelineOutputs() throws InterruptedException, JSONException {
    firstStep = newPipelineWithResponseBody("{id:123}");

    // use a synchronized set to collect the pipeline output from multiple threads
    Set<JsonPipelineOutput> distinctOutputs = Collections.synchronizedSet(new HashSet<JsonPipelineOutput>());

    // create multiple simultaneous threads that subscribe to the same pipeline output
    // and use a CountDownLatch to delay the subscription until all threads have been started
    ExecutorService executorService = Executors.newCachedThreadPool();
    CountDownLatch countDown = new CountDownLatch(100);
    while (countDown.getCount() > 0) {

        executorService.submit(() -> {

            countDown.await();/* ww w. j a v  a 2s. c o  m*/
            distinctOutputs.add(firstStep.getOutput().toBlocking().single());

            return null; // this is required for the lambda to be considered a Callable<Void> and therefore be allowed to throw exceptions
        });

        countDown.countDown();
    }

    executorService.shutdown();
    executorService.awaitTermination(1, TimeUnit.MINUTES);

    // ensure all threads received the same JsonPipelineOutput instance with the expected JSON output
    assertEquals(1, distinctOutputs.size());
    JSONAssert.assertEquals("{id: 123}", firstStep.getStringOutput().toBlocking().first(),
            JSONCompareMode.STRICT);
}

From source file:org.springframework.integration.test.coverage.AbstractChannelCoverageTests.java

@Before
public void _setUp() {
    _applicationContext = _ctx;/*  www . j  ava 2s . c  o m*/
    String theClassName = this.getClass().getSimpleName();
    Package thePackage = this.getClass().getPackage();
    try {
        file = new RandomAccessFile(COVERAGE_FILE, "rw");
    } catch (FileNotFoundException e) {
        e.printStackTrace();
        throw new RuntimeException(e);
    }
    if (aggregatePackageTests ? !thePackage.equals(currentPackage) : !theClassName.equals(simpleClassName)) {
        traversedChannels = Collections.synchronizedSet(new HashSet<String>());
        if (file != null) {
            try {
                seekPosition = file.length();
            } catch (IOException e) {
                e.printStackTrace();
                throw new RuntimeException(e);
            }
        }
    }
    findAndInterceptChannels();
    simpleClassName = theClassName;
    currentPackage = thePackage;
}

From source file:org.codehaus.cargo.website.WebsiteGenerator.java

private static void download() throws Exception {
    long start = System.currentTimeMillis();

    File attachmentsDirectory = new File("target", "attachments");
    if (!attachmentsDirectory.isDirectory()) {
        attachmentsDirectory.mkdirs();/*from   w w w .j  a v a  2 s. c om*/
    }
    File sourceDirectory = new File("target", "source");
    if (!sourceDirectory.isDirectory()) {
        sourceDirectory.mkdirs();
    }
    File tempDirectory = new File("target", "temp");
    if (!tempDirectory.isDirectory()) {
        tempDirectory.mkdirs();
    }

    URL url = new URL("https://codehaus-cargo.atlassian.net/wiki/rest/api/space/CARGO/content?limit=2048");
    URLConnection connection = url.openConnection();
    StringBuilder sb = new StringBuilder();
    try (BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()))) {
        for (String line = reader.readLine(); line != null; line = reader.readLine()) {
            sb.append(line);
        }
    }

    JSONArray pages = new JSONObject(sb.toString()).getJSONObject("page").getJSONArray("results");
    System.out.println("Found " + pages.length() + " pages to handle");
    files = Collections.synchronizedSet(new HashSet<File>(pages.length()));
    exceptions = Collections.synchronizedMap(new HashMap<URL, Exception>());
    attachments = Collections.synchronizedSet(new HashSet<URL>(pages.length()));
    for (int i = 0; i < pages.length(); i++) {
        JSONObject links = pages.getJSONObject(i).getJSONObject("_links");
        WebsiteGenerator runnable = new WebsiteGenerator();
        runnable.url = new URL(links.getString("self") + "?expand=body.view");
        Thread thread = new Thread(runnable);
        executor.submit(thread);
    }

    JSONArray blogposts = new JSONObject(sb.toString()).getJSONObject("blogpost").getJSONArray("results");
    System.out.println("Found " + blogposts.length() + " blog posts to handle");
    files = Collections.synchronizedSet(new HashSet<File>(blogposts.length()));
    exceptions = Collections.synchronizedMap(new HashMap<URL, Exception>());
    attachments = Collections.synchronizedSet(new HashSet<URL>(blogposts.length()));
    for (int i = 0; i < blogposts.length(); i++) {
        JSONObject links = blogposts.getJSONObject(i).getJSONObject("_links");
        WebsiteGenerator runnable = new WebsiteGenerator();
        runnable.url = new URL(links.getString("self") + "?expand=body.view");
        Thread thread = new Thread(runnable);
        executor.submit(thread);
    }

    while (executor.getCompletedTaskCount() < pages.length() + blogposts.length() + attachments.size()) {
        Thread.sleep(5000);
        System.out.println("  - Completed " + executor.getCompletedTaskCount() + "/"
                + (pages.length() + blogposts.length() + attachments.size()) + " tasks - "
                + ((System.currentTimeMillis() - start) / 1000) + " seconds spent so far");
    }
    if (executor.getCompletedTaskCount() < pages.length() + blogposts.length() + attachments.size()) {
        throw new Exception("WARNING: Only completed " + executor.getCompletedTaskCount() + " tasks out of "
                + (pages.length() + blogposts.length() + attachments.size()));
    }
    System.out.println("All tasks complete");
    for (File file : files) {
        System.out.println("  - Wrote file " + file.getAbsolutePath());
    }
    if (exceptions.size() > 0) {
        for (HashMap.Entry<URL, Exception> exception : exceptions.entrySet()) {
            System.out.println("  - Pending exception for URL " + exception.getKey() + ": " + exception);
        }
        throw new Exception("Some files have failed download");
    }
    System.out.println(
            "Export completed, total time taken " + ((System.currentTimeMillis() - start) / 1000) + " seconds");
}

From source file:strat.mining.multipool.stats.builder.CoinshiftStatsBuilder.java

public CoinshiftStatsBuilder() {
    currentAddresses = Collections.synchronizedSet(new HashSet<String>());
}

From source file:org.punksearch.logic.online.OnlineStatuses.java

public Set<String> getOnline(Collection<String> hosts) {
    Iterator<String> iter = hosts.iterator();
    Set<String> onlineHosts = Collections.synchronizedSet(new HashSet<String>());
    List<Thread> threadList = new ArrayList<Thread>();
    for (int i = 0; i < PROBE_THREAD_COUNT; i++) {
        Thread thread = new OnlineCheckThread("OnlineCheckThread" + i, iter, onlineHosts);
        thread.start();/* ww w .  j a  va 2  s  . co m*/
        threadList.add(thread);
    }
    try {
        for (Thread thread : threadList) {
            thread.join();
        }
    } catch (InterruptedException e) {
        // TODO: log
        onlineHosts = new HashSet<String>();
    }
    log.debug("getOnline: " + hosts.size() + " -> " + onlineHosts.size());
    return onlineHosts;
}

From source file:strat.mining.multipool.stats.builder.WaffleStatsBuilder.java

public WaffleStatsBuilder() {
    currentAddresses = Collections.synchronizedSet(new HashSet<String>());
}

From source file:mitm.djigzo.web.pages.admin.LoggerManager.java

@SetupRender
@Secured({ FactoryRoles.ROLE_ADMIN })/*from  w w w.j  av  a 2 s.c  o  m*/
public void setupGrid() {
    if (selected == null) {
        selected = Collections.synchronizedSet(new HashSet<String>());
    } else {
        selected.clear();
    }
}