code: public String getImpactFactor() {
      if (Journal_Type.featOkTst && ((Journal_Type)jcasType).casFeat_impactFactor == null)
        jcasType.jcas.throwFeatMissing("impactFactor", "de.julielab.jules.types.Journal");
      return jcasType.ll_cas.ll_getStringValue(addr, ((Journal_Type)jcasType).casFeatCode_impactFactor);}
docs: getter for impactFactor - gets The impact factor of the journal at the time of publication, O
  @generated
  @return value of the feature