PersistenceContext (Java EE 5 SDK) - Java Platform, Enterprise Edition v5.0 API Specifications

Overview

Package

Class

Tree

Deprecated

Index

Help

Java EE 5 SDK

PREV CLASS NEXT CLASS

FRAMES NO FRAMES

SUMMARY: REQUIRED | OPTIONAL

DETAIL: ELEMENT

javax.persistence
Annotation Type PersistenceContext

@Target(value={TYPE,METHOD,FIELD}) @Retention(value=RUNTIME) public @interface PersistenceContext

Expresses a dependency on an EntityManager persistence context.

Since:: Java Persistence 1.0

Optional Element Summary

String name
          The name by which the entity manager is to be accessed in the environment referencing context, and is not needed when dependency injection is used.

PersistenceProperty[] properties
          Used to specify properties for the container or persistence provider.

PersistenceContextType type
          Specifies whether this is a transaction-scoped persistence context or an extended persistence context.

String unitName
          The name of the persistence unit.

Optional Element Summary
`String`	`name` The name by which the entity manager is to be accessed in the environment referencing context, and is not needed when dependency injection is used.
`PersistenceProperty[]`	`properties` Used to specify properties for the container or persistence provider.
`PersistenceContextType`	`type` Specifies whether this is a transaction-scoped persistence context or an extended persistence context.
`String`	`unitName` The name of the persistence unit.

name

public abstract String name

The name by which the entity manager is to be accessed in the environment referencing context, and is not needed when dependency injection is used.

Default:: ""

unitName

public abstract String unitName

The name of the persistence unit. 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

Specifies whether this is a transaction-scoped persistence context or an extended persistence context.

Default:: TRANSACTION

properties

public abstract PersistenceProperty[] properties

Used to specify 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:: {}