@Override
    public Set<Project> findAllProjects(boolean onlyActive, boolean onlyCommercial) throws DataAccessException {
        String hql;
        if (onlyActive && onlyCommercial) {
            hql = "from Project p where p.commercial = true and p.active = true";
        } else if (onlyActive) {
            hql = "from Project p where p.active = true";
        } else if (onlyCommercial) {
            hql = "from Project p where p.commercial = true";
        } else {
            hql = "from Project p";
        }
        return new HashSet<>((java.util.Collection<? extends Project>) hibernateOperations.find(hql));
    }