@Throws(IOException::class)
  operator fun next(): Selection {
    if (!hasNext()) throw NoSuchElementException()

    // Compute the next set of routes to attempt.
    val routes = mutableListOf<Route>()
    while (hasNextProxy()) {
      // Postponed routes are always tried last. For example, if we have 2 proxies and all the
      // routes for proxy1 should be postponed, we'll move to proxy2. Only after we've exhausted

        });
    }

    /**
     * Deletes all crawling sessions and their parameters except for the specified active sessions.
     * This is a cleanup operation that removes inactive session data while preserving active ones.
     *
     * @param activeSessionId a set of session IDs to preserve during the cleanup operation
     */
    public void deleteOldSessions(final Set<String> activeSessionId) {

   * out of it for a while and see what happens.
   */
  public void testBuilder_bruteForce() {
    for (int i = 0; i < reduceIterationsIfGwt(100); i++) {
      ImmutableIntArray.Builder builder = ImmutableIntArray.builder(random.nextInt(20));
      AtomicInteger counter = new AtomicInteger(0);
      while (counter.get() < 1000) {
        BuilderOp op = BuilderOp.randomOp();

          A newAccum = collector.supplier().get();
          collector.accumulator().accept(newAccum, input);
          push(stack, newAccum);
        }
        push(stack, collector.supplier().get());
        while (stack.size() > 1) {
          A right = pop(stack);
          A left = pop(stack);
          push(stack, collector.combiner().apply(left, right));
        }
        return pop(stack);
      }

        p.setProperty("jcifs.smb.client.soTimeout", "300000");
        p.setProperty("jcifs.netbios.cachePolicy", "600");

        final Enumeration<String> e = config.getInitParameterNames();
        String name;
        while (e.hasMoreElements()) {
            name = e.nextElement();
            if (name.startsWith("jcifs.")) {
                p.setProperty(name, config.getInitParameter(name));
            }
        }

        try {

The app above is a minimal and simple example to demonstrate how to handle and broadcast messages to several WebSocket connections.

But keep in mind that, as everything is handled in memory, in a single list, it will only work while the process is running, and will only work with a single process.

        final int batchSize = fessConfig.getSearchlogProcessBatchSizeAsInteger();

        final List<SearchLog> searchLogList = new ArrayList<>();
        final Map<String, UserInfo> userInfoMap = new HashMap<>();
        while (!queue.isEmpty()) {
            final SearchLog searchLog = queue.poll();
            if (searchLog != null) {
                final String userAgent = searchLog.getUserAgent();
                final boolean isBot =

    // the slower pointer, then there's a loop.
    Throwable slowPointer = throwable;
    boolean advanceSlowPointer = false;

    Throwable cause;
    while ((cause = throwable.getCause()) != null) {
      throwable = cause;

      if (throwable == slowPointer) {
        throw new IllegalArgumentException("Loop in causal chain detected.", throwable);
      }

        // Update min/max
        long currentMin = minResponseTime.get();
        while (responseTimeMs < currentMin) {
            if (minResponseTime.compareAndSet(currentMin, responseTimeMs)) {
                break;
            }
            currentMin = minResponseTime.get();
        }

        long currentMax = maxResponseTime.get();
        while (responseTimeMs > currentMax) {

      return hex.decodeHex().toResponseBody(mediaType)
    }

    fun exhaust(reader: Reader): String {
      val builder = StringBuilder()
      val buf = CharArray(10)
      var read: Int
      while (reader.read(buf).also { read = it } != -1) {
        builder.appendRange(buf, 0, read)
      }
      return builder.toString()
    }
  }