Examples of javax.persistence.EntityManager.clear()

javax.persistence.EntityManager.clear()
Clear the persistence context, causing all managed entities to become detached. Changes made to entities that have not been flushed to the database will not be persisted. @throws IllegalStateException if this EntityManager has been closed

                newComment.setParent(d);


                em.persist(newComment);


                em.flush();
                em.clear();


                List<WikiComment> comments =
                        em.createQuery("select c from WikiComment c where c.parent = :doc order by c.createdOn asc")
                        .setParameter("doc", d)
                        .getResultList();

View Full Code Here

                                .setParameter("id", 1l)
                                .getSingleResult();
                d.setName("AAA2");
                em.flush();


                em.clear();
                d = (WikiDirectory)
                        em.createQuery("select d from WikiDirectory d where d.id = :id")
                                .setParameter("id", 1l)
                                .getSingleResult();
                assert d.getName().equals("AAA2");

View Full Code Here

                newDir.setParent(d);


                em.persist(newDir);
                em.flush();


                em.clear();
                d = (WikiDirectory)
                        em.createQuery("select d from WikiDirectory d where d.id = :id")
                                .setParameter("id", 1l)
                                .getSingleResult();
                assert d.getName().equals("AAA");

View Full Code Here

                        em.createQuery("select d from WikiDirectory d where d.id = :id")
                                .setParameter("id", 1l)
                                .getSingleResult();
                assert d.getName().equals("AAA");


                em.clear();
                d = (WikiDirectory)
                        em.createQuery("select d from WikiDirectory d where d.id = :id")
                                .setParameter("id", 3l)
                                .getSingleResult();
                assert d.getName().equals("CCC");

View Full Code Here

                        em.createQuery("select d from WikiDirectory d where d.id = :id")
                                .setParameter("id", 3l)
                                .getSingleResult();
                assert d.getName().equals("CCC");


                em.clear();
                d = (WikiDirectory)
                        em.createQuery("select d from WikiDirectory d where d.id = :id")
                                .setParameter("id", newDir.getId())
                                .getSingleResult();
                assert d.getName().equals("FFF");

View Full Code Here

                WikiDocument d = (WikiDocument)
                        em.createQuery("select d from WikiDocument d left join fetch d.incomingLinks where d.id = :id")
                                .setParameter("id", 7l)
                                .getSingleResult();
                assert d.getIncomingLinks().size() == 1;
                em.clear();


                d = (WikiDocument)
                        em.createQuery("select d from WikiDocument d left join fetch d.incomingLinks where d.id = :id")
                                .setParameter("id", 8l)
                                .getSingleResult();

View Full Code Here

                d = (WikiDocument)
                        em.createQuery("select d from WikiDocument d left join fetch d.incomingLinks where d.id = :id")
                                .setParameter("id", 8l)
                                .getSingleResult();
                assert d.getIncomingLinks().size() == 2;
                em.clear();


                WikiUpload f = (WikiUpload)
                        em.createQuery("select f from WikiUpload f left join fetch f.incomingLinks where f.id = :id")
                                .setParameter("id", 30l)
                                .getSingleResult();

View Full Code Here

                                .setParameter("id", 6l)
                                .getSingleResult();
                d.setName("One2");
                em.flush();


                em.clear();
                d = (WikiDocument)
                        em.createQuery("select d from WikiDocument d where d.id = :id")
                                .setParameter("id", 6l)
                                .getSingleResult();
                assert d.getName().equals("One2");

View Full Code Here

                        em.createQuery("select d from WikiDocument d left join fetch d.incomingLinks where d.id = :id")
                                .setParameter("id", 8l)
                                .getSingleResult();
                assert d.getIncomingLinks().size() == 1;


                em.clear();


                d = (WikiDocument)
                        em.createQuery("select d from WikiDocument d left join fetch d.incomingLinks where d.id = :id")
                                .setParameter("id", 9l)
                                .getSingleResult();

View Full Code Here

                        em.createQuery("select d from WikiDocument d left join fetch d.incomingLinks where d.id = :id")
                                .setParameter("id", 9l)
                                .getSingleResult();
                assert d.getIncomingLinks().size() == 1;


                em.clear();


                d = (WikiDocument)
                        em.createQuery("select d from WikiDocument d where d.id = :id")
                                .setParameter("id", 7l)
                                .getSingleResult();

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.