```
@Target(value={TYPE,METHOD,FIELD})
 @Retention(value=RUNTIME)
public @interface PersistenceContext
```
Expresses a dependency on a container-managed EntityManager and its associated persistence context.

Since:

Java Persistence 1.0

Optional Element Summary

Optional Elements
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.

PersistenceContext (Java(TM) EE 7 Specification APIs) Home of API Java Contents Haut

- Element Detail
  - name
```
public abstract 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:
    
    ""
- - unitName
```
public abstract 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:
    
    ""
- - type
```
public abstract PersistenceContextType type
```
    (Optional) Specifies whether a transaction-scoped persistence context or an extended persistence context is to be used.
    
    Default:
    
    javax.persistence.PersistenceContextType.TRANSACTION
- - synchronization
```
public abstract 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.
    
    Since:
    
    Java Persistence 2.1
    
    Default:
    
    javax.persistence.SynchronizationType.SYNCHRONIZED
- - properties
```
public abstract 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:
    
    {}

Document created the 11/06/2005, last modified the 18/08/2025
Source of the printed document:https://www.gaudry.be/en/java-api-javaee-rf-javax/persistence/persistencecontext.html

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References

Manuel PHP : https://docs.oracle.com

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Annotation Type PersistenceContext

Optional Element Summary

Element Detail

name

unitName

type

synchronization

properties

References