code: protected final PainGeneratorIf getPainGenerator() {
          if (this.generator == null) {
              try {
                  this.generator = PainGeneratorFactory.get(this, this.getPainVersion());
              } catch (Exception e) {
                  String msg = HBCIUtils.getLocMsg("EXCMSG_JOB_CREATE_ERR", this.getPainJobName());
                  throw new HBCI_Exception(msg, e);
              }
  
          }
          return this.generator;
      }
docs: Liefert den passenden SEPA-Generator.
  
  @return der SEPA-Generator.