if (m_MetaClassifierOptions == null) {
if ((m_MetaClassifierOptions == null) || ((String)m_MetaClassifierOptions).equals("")) {
  public String getMetaLearner() {        if (m_MetaClassifierName == null) {      return "";    }    if (m_MetaClassifierOptions == null) {      return m_MetaClassifierName;    }    return m_MetaClassifierName + " " + m_MetaClassifierOptions;  }