CallNamedQuery.java

em.createNamedQuery(“selectAuthors”).getResultList();

UseHint.java

EntityGraph<?> graph = em.getEntityGraph(“graph.AuthorBooks”);

HashMap<String, Object> properties = new HashMap<>();
properties.put(“javax.persistence.fetchgraph”, graph);

em.find(Author.class, 1L, properties);

UseHintWithNamedQuery.java

@NamedQuery(name = “selectAuthors”, query = “SELECT a FROM Author a”, 
            hints = @QueryHint(name = QueryHints.COMMENT, value = “a custom SQL comment”))

UseHintWithQuery.java

EntityGraph<?> graph = em.getEntityGraph(“graph.AuthorBooks”);

em.createQuery(“SELECT a FROM Author a”)
  .setHint(“javax.persistence.fetchgraph”, graph)
  .getResultList();