public String getGeneName() {
    if (gene_Type.featOkTst && ((gene_Type)jcasType).casFeat_geneName == null)
      jcasType.jcas.throwFeatMissing("geneName", "Type.gene");
    return jcasType.ll_cas.ll_getStringValue(addr, ((gene_Type)jcasType).casFeatCode_geneName);}