SiScolApogeeWSServiceImpl.java 文件源码

/**
 * Execute la requete et ramene l'ensemble des elements d'une table
 * 
 * @param className
 *            la class concernée
 * @return la liste d'objet
 * @throws SiScolException
 */
private <T> List<T> executeQueryListEntity(Class<T> className) throws SiScolException {
    try {
        EntityManagerFactory emf = Persistence.createEntityManagerFactory("pun-jpa-siscol");
        EntityManager em = emf.createEntityManager();
        Query query = em.createQuery("Select a from " + className.getName() + " a", className);
        List<T> listeSiScol = query.getResultList();
        em.close();
        return listeSiScol;
    } catch (Exception e) {
        throw new SiScolException("SiScol database error on execute query list entity", e.getCause());
    }
}