public AcUploadDownloadFile getUploadDownloadFile(Integer id) {
   AcUploadDownloadFilePk pk = AcUploadDownloadFilePk.createPk(id);
   return getUploadDownloadFile(pk);
 }
 public AcUploadDownloadFile getUploadDownloadFileByWebKey(String webKey) {
   AcUploadDownloadFilePk pk = new AcUploadDownloadFilePk();
   pk.setWebKey(webKey);
   return getUploadDownloadFile(pk);
 }