code: public void setImpactFactor(String v) {
      if (Journal_Type.featOkTst && ((Journal_Type)jcasType).casFeat_impactFactor == null)
        jcasType.jcas.throwFeatMissing("impactFactor", "de.julielab.jules.types.Journal");
      jcasType.ll_cas.ll_setStringValue(addr, ((Journal_Type)jcasType).casFeatCode_impactFactor, v);}
docs: setter for impactFactor - sets The impact factor of the journal at the time of publication, O
  @generated
  @param v value to set into the feature