@Override public QuestionRevision findQuestionRevision(Country country, Question question) { Search searchCriteria = new Search(QuestionRevision.class); searchCriteria.addFilterEqual("country", country); searchCriteria.addFilterEqual("question", question); List<QuestionRevision> qr = questionRevisionDAO.search(searchCriteria); if (qr.size() > 0) { return qr.get(0); } return null; }