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JPA Annotation PersistenceContexts Target: TYPE Implemented Interfaces: Annotation Declares one or more PersistenceContext annotations. It is used to express a dependency on container-managed entity manager persistence contexts. See Also: PersistenceContext Since: JPA 1.0 Public Annotation

JPA Annotation Attribute in javax.persistence. PersistenceContexts PersistenceContext [] value default null (Required) One or more PersistenceContext annotations. Since: JPA 1.0

JPA Annotation PersistenceContext Target: TYPE, METHOD, FIELD Implemented Interfaces: Annotation Expresses a dependency on a container-managed EntityManager and its associated persistence context. Since: JPA 1.0 Public Annotation Attributes String name default "" (Optional) The name by

JPA Annotation Attribute in javax.persistence. PersistenceContext String name default "" (Optional) The name by which the entity manager is to be accessed in the environment referencing context; not needed when dependency injection is used. Since: JPA 1.0

JPA Annotation Attribute in javax.persistence. PersistenceContext String unitName default "" (Optional) The name of the persistence unit as defined in the persistence.xml file. If the unitName element is specified, the persistence unit for the entity manager that is accessible in JNDI must have the same name. Since: JPA 1.0

JPA Annotation Attribute in javax.persistence. PersistenceContext PersistenceContextType type default PersistenceContextType.TRANSACTION (Optional) Specifies whether a transaction-scoped persistence context or an extended persistence context is to be used. Since: JPA 1.0

JPA Annotation Attribute in javax.persistence. PersistenceContext SynchronizationType synchronization default SynchronizationType.SYNCHRONIZED (Optional) Specifies whether the persistence context is always automatically synchronized with the current transaction or whether the persistence context

JPA Annotation Attribute in javax.persistence. PersistenceContext PersistenceProperty [] properties default {} (Optional) Properties for the container or persistence provider. Vendor specific properties may be included in this set of properties. Properties that are not recognized by a vendor are ignored. Since: JPA 1.0

.persistence. PersistenceContext ; import javax.persistence.TypedQuery; @Stateless public class GuestDao { // Injected database connection: @ PersistenceContext private EntityManager em; // Stores a new guest ... (because it is annotated with the  @ PersistenceContext annotation). Handles transactions automatically

.EntityManager; import javax.persistence. PersistenceContext ; import javax.persistence.TypedQuery; @Stateless public class GuestDao { // Injected database connection: @ PersistenceContext private ... (because it is annotated with the @ PersistenceContext annotation). Handles transactions automatically using

; import javax.persistence.EntityManager; import javax.persistence. PersistenceContext ; import javax ... connection: @ PersistenceContext private EntityManager em; // Stores a new guest: @Transactional public ... it into the  em field (because it is annotated with the  @ PersistenceContext annotation

.List; import javax.persistence.EntityManager; import javax.persistence. PersistenceContext ; import ... connection: @ PersistenceContext private EntityManager em; // Stores a new guest: @Transactional public ... it into the  em field (because it is annotated with the  @ PersistenceContext annotation

.persistence. PersistenceContext ; import javax.persistence.TypedQuery; import javax.persistence ... database connection: @ PersistenceContext (unitName = "guest-pu") private EntityManager em;   ... .persistence.EntityManager; import javax.persistence. PersistenceContext ; import javax.persistence.TypedQuery

") @RequestScoped public class TestBean { private String mode; @ PersistenceContext (unitName = "my-pu") private ... Manager { @Resource private UserTransaction transaction; @ PersistenceContext (unitName = "my-pu") private ... for the reply. Isn't it open when using @ PersistenceContext ? Vladiator Vlad Myachikov It may be open in

adapter module can't be used, is there another @ PersistenceContext -friendly strategy for separating ... turn leverage the persistence.xml, which is automatically used via: @ PersistenceContext private ... (which can also be an ObjectDB database url) in the unitName parameter of @ PersistenceContext

is declared using the PersistenceContext annotation or the persistence-context-ref deployment ... for the entity manager is defaulted or defined as PersistenceContext - Type.TRANSACTION. A new persistence ... . The dependency on the extended persistence context is declared by means of the PersistenceContext

objectdb-2.3.7_18 When I undeploy a Glassfish3.1.1 web application when using @ PersistenceContext ... example (which also uses @ PersistenceContext EntityManager injection)? support Support   ... @ PersistenceContext EntityManager injection)? Could not build GuestBook example from Maven, but I could create

public class SMDB { @ PersistenceContext (unitName = "SM") private EntityManager smdb; @ PersistenceContext (unitName = "SMShop") private EntityManager shopdb; ... public Order fulfilOrder(Long orderID, Long

.BEAN) public class TestManager { @Resource private UserTransaction transaction; @ PersistenceContext ... class TestBean { @ PersistenceContext (unitName = "my-pu") private EntityManager entityManager; @EJB

;         Persistence code @ PersistenceContext (unitName = "testPU") private EntityManager em; @ PersistenceContext (unitName = "mysqlPU") private EntityManager em1; @Transactional

: @ PersistenceContext private EntityManager em; // Stores a new guest: @Transactional public Language persist ... LanguageRepository extends DefaultRepository{ // Injected database connection: @ PersistenceContext private

. See Also: Query TypedQuery CriteriaQuery PersistenceContext StoredProcedureQuery Since: JPA 1.0 The Database

is an example of the use of a named query: @ PersistenceContext public EntityManager em; ... customers

JPA Enum PersistenceContextType java.lang.Object ∟  java.lang.Enum ∟  javax.persistence.PersistenceContextType Specifies whether a transaction-scoped or extended persistence context is to be used in PersistenceContext . If not specified, a transaction-scoped persistence context is used

JPA Annotation PersistenceProperty Implemented Interfaces: Annotation 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

ErgoDaoJpa implements IErgoDao { @ PersistenceContext private EntityManager entityManager; public void

@ PersistenceContext (unitName=PERSISTANCEUNIT) private EntityManager em; This way I can use the same code in

: @ PersistenceContext private EntityManager em; ..     HasListOfBlocks h = new HasListOfBlocks

@Startup public class ResourceManagerBean {         @ PersistenceContext

{ @ PersistenceContext (unitName = "Experiment8objPU" ) EntityManager emInj;     /**    

an EntityManager from the container using @ PersistenceContext . I can then obtain the related

System: Netbeans 7.1 Oracle Glassfish 3.1.2 ObjectDB 2.3.7_04 Senario: Create a simple WebApplication with a "hello world" web service interface in Netbeans. Add objectDB test code to the web service: @WebService(serviceName = "NewWebService") public class NewWebService { @ PersistenceContext

that query is using a closed EntityManager although I use that @Autowired and @ PersistenceContext

@Stateless bean TradesC#findTradeByClient(User u). ### UserC and TradesC have their own @ PersistenceContext

- persistencecontext -unitname-attribute-for-container-based-entitymanager   support Support For support

: @ PersistenceContext private EntityManager em) 2014-09-02T10:50:04.779+0200|Avertissement: EJB5184:A system exception

; @ PersistenceContext     private EntityManager em;     public List findElements ... ; @ PersistenceContext (type=PersistenceContextType.EXTENDED) // change 2     private

  The following exception occures if we call entityManager.flush() where the corresponding JPA PersistenceContext has many entities and relations. What is the reason for the exception ... PersistenceContext is too complex.  [ObjectDB 2.6.0_01] javax.persistence.PersistenceException

public class ExtProjectBuilder extends All_ { @ PersistenceContext (type = PersistenceContextType ... _AFTER_BUILD = false; @ PersistenceContext (type = PersistenceContextType.EXTENDED)//! protected EntityManager

{ @ PersistenceContext (type = PersistenceContextType.EXTENDED)//! protected EntityManager em; @EJB