}

    /**
     * Tests connectivity to the witness service.
     *
     * @throws IOException if connection fails
     */
    private void testConnection() throws IOException {
        // For now, just test basic connectivity to RPC endpoint
        try (java.net.Socket socket = new java.net.Socket()) {

    return super.add(o);
  }

  @Override
  public boolean addAll(Collection<? extends E> c) {
    assertTrue(Thread.holdsLock(mutex));
    return super.addAll(c);
  }

  @Override
  public void clear() {
    assertTrue(Thread.holdsLock(mutex));
    super.clear();
  }

  @Override
  public boolean contains(@Nullable Object o) {
    assertTrue(Thread.holdsLock(mutex));
    return super.contains(o);
  }

    /**
     * Initializes the transformer after dependency injection.
     * Sets up the Fess configuration and data serializer components.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        fessConfig = ComponentUtil.getFessConfig();

     */
    public String getNewInput() {
        return newInput;
    }

    /**
     * Sets the new input value for this item.
     * @param newInput the new input value
     */
    public void setNewInput(final String newInput) {
        this.newInput = newInput;
    }

    /**
     * Gets the input value for this item.
     * @return the input value
     */
    public String getInput() {

    @ValidateTypeFailure
    public Long createdTime;

    /**
     * Initializes the form with default values for creating a new data configuration.
     */
    public void initialize() {
        crudMode = CrudMode.CREATE;
        boost = 1.0f;
        sortOrder = 0;
        createdBy = ComponentUtil.getSystemHelper().getUsername();

    //                                                                               Hook
    //                                                                              ======
    @Override
    protected void setupHtmlData(final ActionRuntime runtime) {
        super.setupHtmlData(runtime);
        runtime.registerData("helpLink", systemHelper.getHelpLink(fessConfig.getOnlineHelpNameSuggest()));

    }

    @Override
    public int available() throws IOException {
        if (bip > 0) {
            return bip;
        }
        return in.available();
    }

    @Override
    public void close() throws IOException {
        in.close();
    }

        return iterator.hasNext();
    }

    @Override
    public Indexed<T> next() {
        return new Indexed<>(iterator.next(), index++);
    }

    @Override
    public void remove() {
        throw new ClUnsupportedOperationException("remove");
    }

     *
     * @param ps
     *            {@link PreparedStatement}. Must not be {@literal null}.
     * @throws SQLRuntimeException
     *             If a {@link SQLException} occurs.
     */
    public static void addBatch(final PreparedStatement ps) throws SQLRuntimeException {
        assertArgumentNotNull("ps", ps);

        try {
            ps.addBatch();
        } catch (final SQLException ex) {

     *
     * @param urlQueue the parent URL queue item
     * @param childUrlSet the set of child URLs to be queued for crawling
     */
    protected void storeChildUrlsToQueue(final UrlQueue<?> urlQueue, final Set<RequestData> childUrlSet) {
        if (childUrlSet != null) {
            // add an url
            try {