code: public boolean isPhoneNumberInBlackList(final String phoneNumber) {
  		final Criteria criteria = getCurrentSession().createCriteria(Blacklist.class);
  		criteria.add(Restrictions.eq(Blacklist.PROP_BLA_PHONE, phoneNumber));
  		return criteria.uniqueResult() != null;
  	}
docs: /* (non-Javadoc)
  @see org.esupportail.smsuapi.dao.DaoService#isPhoneNumberInBlackList(java.lang.String)