code: @Transactional(readOnly = true)
  	public Event find(Integer id) {
  		return em.createQuery("FROM Event WHERE id = :id", Event.class)
  				.setParameter("id", id)
  				.getSingleResult();
  	}
docs: Search for {@link Event} by id
  
  @param id id to search by
  @return single {@link Event} object found by id, or null if not exists