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Tutorial
76

Step 3: Define an EJB Session Bean

.persistence.EntityManager; import javax.persistence.PersistenceContext; import javax.persistence.TypedQuery ... : @PersistenceContext private EntityManager em; // Stores a new guest: public void persist(Guest guest ... (because it is annotated with the @PersistenceContext annotation). Handles transactions automatically
JPA Doc
58

JPA Annotations for Java EE

Reference (JavaDoc) of JPA 2 Java EE annotations, including @PersistenceContext, @PersistenceContexts, @PersistenceProperty, @PersistenceUnit, @PersistenceUnits and PersistenceContextType
Forum
6

JBOSS AS7 7.1.1 - Entity not persisted and createNamedQuery fire exception

.persistence.PersistenceContext; import javax.persistence.TypedQuery; import javax.persistence ... class GuestDao {     // Injected database connection: @PersistenceContext(unitName = "guest-pu ... .Stateless; import javax.persistence.EntityManager; import javax.persistence.PersistenceContext
JPA Doc
6

javax.persistence.EntityManager

database. Since: JPA 1.0 See Also: Query TypedQuery CriteriaQuery PersistenceContext Learn how to use
JPA Doc
6

javax.persistence.NamedQuery

" ) The following is an example of the use of a named query: @PersistenceContext public
JPA Doc
6

javax.persistence.PersistenceContextType

persistence context is to be used in PersistenceContext. If not specified, a transaction-scoped
JPA Doc
6

javax.persistence.PersistenceProperty

javax.persistence Annotation PersistenceProperty Target: Describes a single container or persistence provider property. Used in PersistenceContext. Vendor specific properties may be included in the set of properties, and are passed to the persistence provider by the container when the entity
Forum
4

@OneToMany(fetch = FetchType.LAZY) list is always null

") @RequestScoped public class TestBean { private String mode; @PersistenceContext(unitName = "my-pu ... ) public class Manager { @Resource private UserTransaction transaction; @PersistenceContext ... and the solution that it provides. Thanks for the reply. Isn't it open when using @PersistenceContext
Forum
4

ObjectDB within a resource adapter module and Java EE Connector Architecture

, is there another @PersistenceContext-friendly strategy for separating at least the name of the final database file from an EJB ... , which is automatically used via: @PersistenceContext private EntityManager em; The 2 web apps end up using the same ... of @PersistenceContext, but this seems to form a static binding. See the following discussions
Forum
3

Object DB vs EclipseLink/TopLink: Unloaded relationships in detached entities

of the persistence context is declared using the PersistenceContext annotation or the persistence-context-ref ... type for the entity manager is defaulted or defined as PersistenceContext- Type.TRANSACTION. A new ... of the PersistenceContext annotation or persistence-context-ref deployment descriptor element. The persistence context