// @Inject // @AuthenticatedUser // User user; // @PersistenceContext // EntityManager em; @PrePersist public void beforePersist(Object entity) { if (entity instanceof AbstractAuditableEntity) { AbstractAuditableEntity o = (AbstractAuditableEntity) entity; final OffsetDateTime now = OffsetDateTime.now(); o.setCreatedAt(now); o.setUpdatedAt(now); if (o.getCreatedBy() == null) { o.setCreatedBy(currentUser()); } } }