if (StringUtil.isEmpty(s)) {
            return null;
        }
        return Long.valueOf(DecimalFormatUtil.normalize(s));
    }

    /**
     * Converts the given object to a {@literal long}.
     *
     * @param o
     *            the object to convert
     * @return the converted {@literal long}
     */
    public static long toPrimitiveLong(final Object o) {
        return toPrimitiveLong(o, null);
    }

    /**

        return (T) invoke(method, null, args);
    }

    /**
     * Returns whether the method is <code>abstract</code>.
     *
     * @param method
     *            The method. Cannot be {@literal null}
     * @return <code>abstract</code> if the method is abstract
     */
    public static boolean isAbstract(final Method method) {
        return Modifier.isAbstract(method.getModifiers());

            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }

        ArtifactRepository other = (ArtifactRepository) obj;

        return eq(getId(), other.getId());
    }

    protected static <T> boolean eq(T s1, T s2) {
        return Objects.equals(s1, s2);
    }

    @Override
    public Authentication getAuthentication() {

     * non-positive if unknown.
     *
     * @return int
     */
    public int getColumnNumber() {
        return this.columnNumber;
    } // -- int getColumnNumber()

    /**
     * Get the one-based line number. The value will be
     * non-positive if unknown.
     *
     * @return int
     */
    public int getLineNumber() {
        return this.lineNumber;
    } // -- int getLineNumber()

     * @return the line without comments
     */
    protected String stripComment(final String line) {
        final int commentIndex = line.indexOf('#');
        if (commentIndex != -1) {
            return line.substring(0, commentIndex);
        }
        return line;
    }

    /**
     * Checks if robots.txt processing is enabled.
     * @return true if enabled, false otherwise
     */

            return favoriteLogBhv.selectByPK(id);
        }
        if (SearchLogPager.LOG_TYPE_USERINFO.equalsIgnoreCase(logType)) {
            return userInfoBhv.selectByPK(id);
        }
        return searchLogBhv.selectByPK(id);
    }

    /**
     * Retrieves a search log entry as a formatted map of field names and values.
     *
     * @param logType The type of log to retrieve (search, click, favorite, userinfo)

    }

    @Override
    public SampleElements<E> samples() {
      return gen.samples();
    }

    @Override
    public Multiset<E> create(Object... elements) {
      return (Multiset<E>) SerializableTester.reserialize(gen.create(elements));
    }

    @Override
    public E[] createArray(int length) {
      return gen.createArray(length);
    }

    @Override

        return _columnCreatedAt;
    }

    public ColumnInfo columnDocId() {
        return _columnDocId;
    }

    public ColumnInfo columnQueryId() {
        return _columnQueryId;
    }

    public ColumnInfo columnUrl() {
        return _columnUrl;
    }

    public ColumnInfo columnUserInfoId() {
        return _columnUserInfoId;
    }

    /**
     * Gets the name of the queue index for the crawler.
     *
     * @return the queue index name
     */
    @Override
    public String getQueueIndex() {
        return ComponentUtil.getFessConfig().getIndexDocumentCrawlerIndex() + ".queue";
    }

    /**
     * Gets the name of the data index for the crawler.
     *
     * @return the data index name
     */
    @Override
    public String getDataIndex() {

 */
public interface ReadingConverter {

    /**
     * Returns the maximum number of readings.
     *
     * @return the maximum number of readings, default is 10.
     */
    default int getMaxReadingNum() {
        return 10;
    }

    /**
     * Initializes the converter.
     *
     * @throws IOException if an I/O error occurs during initialization.
     */