initLineInfo(m_model);
    Model createModel() {        MetadataRoot root = MetadataRoot.getMetadataRoot();        if (root.getModel(m_name) == null) {            m_model = new Model(m_name);            root.addModel(m_model);        } else {            m_model = root.getModel(m_name);        }        return m_model;    }