channelSubIdParameter = cb.parameter(String.class, "channelSubscribeId");
        userIdParameter = cb.parameter(Integer.class, "userId");

        entByChanAndUser = cb.createQuery(PortletEntityImpl.class);
        final Root<PortletEntityImpl> entityRoot = entByChanAndUser.from(PortletEntityImpl.class);
        entByChanAndUser.select(entityRoot);
        entByChanAndUser.where(cb.and(
                cb.equal(entityRoot.get(PortletEntityImpl_.channelSubscribeId), channelSubIdParameter),
                cb.equal(entityRoot.get(PortletEntityImpl_.userId), userIdParameter)
        ));