11 | Selective merge/cascade of detatched entity to: EntityManager em = emf.getEntityManager(); em.getTransaction().begin(); Company company = new Company("new ... : EntityManager em = emf.getEntityManager(); em.getTransaction().begin(); Company company = new Company("new ... .createEntityManagerFactory("objectdb:/var/tmp/points.tmp;drop"); EntityManager e = emf.createEntityManager(); e |
11 | Optimistic locking: prevent version increment on entity collection attribute with the EntityManager's life cycle but cannot figure out what. I am using Guice injection and Guice persist and should get one EntityManager per request. Also, please note that in the web app I actually ... is the EntityManager em.getTransaction().begin(); Document doc = new Document |
11 | JBOSS AS7 7.1.1 - Entity not persisted and createNamedQuery fire exception java.util.List; import javax.ejb.Stateless; import javax.persistence.EntityManager; import javax ... EntityManager em; // Stores a new guest public void persist(final Guest guest ... ; import javax.ejb.Stateless; import javax.persistence.EntityManager; import javax.persistence |
11 | Memory consumption of empty Strings.odb"); EntityManager entityManager = entityManagerFactory.createEntityManager ... ); entityManager.getTransaction().begin(); entityManager.persist(entity); entityManager.getTransaction().commit(); entityManager.clear(); } entityManager.close |
10 | Should derived fields of an EmbeddedId be manually maintained by app code?.Entity; import javax.persistence.EntityManager; import javax.persistence.FlushModeType; import ... static EContainer getInstance(EntityManager em) { EContainer c = em.find(EContainer.class, "1 ... , EntityManager em) throws TestException { if (lastInstanceInMap == null) { lastInstanceInMap = 0 |
10 | Insertion Speed Rate and Batch Load This test from the Memory Leak thread uses a separate transaction, and moreover, a new EntityManager per stored entity object. A batch load should reuse the EntityManager and persist a large number ... = Persistence.createEntityManagerFactory("$objectdb/db/speed.odb"); EntityManager |
2 | javax.persistence.PessimisticLockScope of the EntityManager, Query, and TypedQuery interfaces that allow lock modes to be specified or used |
2 | javax.persistence.PersistenceContextjavax.persistence Annotation PersistenceContext Target: Classes and fields (including property get methods) Expresses a dependency on a container-managed EntityManager and its associated persistence context. Since: JPA 1.0 String name (Optional) The name by which the entity manager |
2 | NamedNativeQuery.nameAnnotation Element javax.persistence.NamedNativeQuery String name The name used to refer to the query with the EntityManager methods that create query objects. Since: JPA 1.0 |
2 | NamedQuery.nameAnnotation Element javax.persistence.NamedQuery String name (Required) The name used to refer to the query with the EntityManager methods that create query objects. Since: JPA 1.0 |
