Synnefo

import static gr.ebs.gss.server.configuration.GSSConfigurationFactory.getConfiguration;

import gr.ebs.gss.server.domain.UserClass;

	@Override

	public List<UserClass> getUserClasses() {

		// Ordering by quota is important here.

		List<UserClass> ids = manager.createQuery("select uc from UserClass uc order by uc.quota").getResultList();

		return ids;

	}

	@Override

	public UserClass findCouponUserClass() {

		List<UserClass> results = manager.createQuery("select uc from UserClass uc where uc.name=:name").

				setParameter("name", getConfiguration().getString("couponQuota")).getResultList();

		if (results.isEmpty()) {

			// Create the coupon user class on first use.

			UserClass couponClass = new UserClass();

			couponClass.setName("coupon");

			Long couponQuota = getConfiguration().getLong("couponQuota", new Long(52428800L));

			couponClass.setQuota(couponQuota);

			create(couponClass);

			flush();

			results.add(couponClass);

		}

		return results.get(0);

	}