EntityManager and its associated persistence context.">
Jakarta Persistence (JPA) Annotation Type

jakarta.persistence.PersistenceContext

Implemented Interfaces:
Annotation
Target:
Type, Method, Field
Expresses a dependency on a container-managed EntityManager and its associated persistence context.
Since:
Jakarta Persistence (JPA) 1.0

Annotation Elements

String name
(Optional) The name by which the entity manager is to be accessed in the environment referencing context; not needed when dependency injection is used.
Default:
""
Since:
Jakarta Persistence (JPA) 1.0
String unitName
(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.
Default:
""
Since:
Jakarta Persistence (JPA) 1.0
PersistenceContextType type
(Optional) Specifies whether a transaction-scoped persistence context or an extended persistence context is to be used.
Default:
PersistenceContextType.TRANSACTION
Since:
Jakarta Persistence (JPA) 1.0
SynchronizationType synchronization
(Optional) Specifies whether the persistence context is always automatically synchronized with the current transaction or whether the persistence context must be explicitly joined to the current transaction by means of the EntityManager.joinTransaction method.
Default:
SynchronizationType.SYNCHRONIZED
Since:
Jakarta Persistence (JPA) 2.1
PersistenceProperty[] properties
(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.
Default:
{}
Since:
Jakarta Persistence (JPA) 1.0

Additional JDK methods inherited from java.lang.annotation.Annotation

annotationType(), equals(Object), hashCode(), toString()