@Override
  protected Ticket removeImpl(Ticket ticket) throws SystemException {
    ticket = toUnwrappedModel(ticket);

    Session session = null;

    try {
      session = openSession();

      BatchSessionUtil.delete(session, ticket);
    } catch (Exception e) {
      throw processException(e);
    } finally {
      closeSession(session);
    }

    FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST);

    TicketModelImpl ticketModelImpl = (TicketModelImpl) ticket;

    FinderCacheUtil.removeResult(FINDER_PATH_FETCH_BY_KEY, new Object[] {ticketModelImpl.getKey()});

    EntityCacheUtil.removeResult(
        TicketModelImpl.ENTITY_CACHE_ENABLED, TicketImpl.class, ticket.getPrimaryKey());

    return ticket;
  }