public AttachedFile updateAttachedFile(AttachedFile attachedFile, boolean merge)
      throws SystemException {
    attachedFile.setNew(false);

    return attachedFilePersistence.update(attachedFile, merge);
  }
  public AttachedFile addAttachedFile(AttachedFile attachedFile) throws SystemException {
    attachedFile.setNew(true);

    return attachedFilePersistence.update(attachedFile, false);
  }