How to use

setSeed

method

in

com.cybozu.labs.langdetect.DetectorFactory

public static synchronized void loadData() {
  if (loaded) {
    return;
  }
  loaded = true;
  List<String> profileData = new ArrayList<String>();
  try {
    Charset encoding = Charset.forName("UTF-8");
    for (YLanguage language : detectableLanguages) {
      try (InputStream stream = new ClassPathResource("langdetect-profiles/" + language.getShortCode()).getInputStream();
          BufferedReader reader = new BufferedReader(new InputStreamReader(stream, encoding));) {
        profileData.add(new String(IOUtils.toCharArray(reader)));
      }
    }
    DetectorFactory.loadProfile(profileData);
    DetectorFactory.setSeed(System.currentTimeMillis());
  } catch (IOException | LangDetectException e) {
    throw new GeneralBusinessException(e);
  }
}

/**
 * load profiles
 * @return false if load success
 */
private boolean loadProfile() {
  String profileDirectory = get("directory") + "/"; 
  try {
    DetectorFactory.loadProfile(profileDirectory);
    Long seed = getLong("seed");
    if (seed != null) DetectorFactory.setSeed(seed);
    return false;
  } catch (LangDetectException e) {
    System.err.println("ERROR: " + e.getMessage());
    return true;
  }
}
 

/**
 * Initializes the language detection.<p>
 */
private void initLanguageDetection() {
  try {
    // use a seed for initializing the language detection for making sure the
    // same probabilities are detected for the same document contents
    DetectorFactory.clear();
    DetectorFactory.setSeed(42L);
    DetectorFactory.loadProfile(loadProfiles(getAvailableLocales()));
  } catch (Exception e) {
    LOG.error(Messages.get().getBundle().key(Messages.INIT_I18N_LANG_DETECT_FAILED_0), e);
  }
}