@Repeatable(value=PersistenceContexts.class) @Target(value={TYPE,METHOD,FIELD}) @Retention(value=RUNTIME) public @interface PersistenceContext
EntityManager
and its
associated persistence context.Modifier and Type | Optional Element and Description |
---|---|
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.
|
PersistenceProperty[] |
properties
(Optional) Properties for the container or persistence
provider.
|
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. |
PersistenceContextType |
type
(Optional) Specifies whether a transaction-scoped persistence context
or an extended persistence context is to be used.
|
String |
unitName
(Optional) The name of the persistence unit as defined in the
persistence.xml file. |
public abstract String name
public abstract String unitName
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.public abstract PersistenceContextType type
public abstract SynchronizationType synchronization
joinTransaction
method.public abstract PersistenceProperty[] properties
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