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/* $Id: PersistenceContext.java 11282 2007-03-14 22:05:59Z epbernard $
* JBoss Inc
*
* Distributable under LGPL license.
* See terms of license at gnu.org.
*/
package javax.persistence;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Expresses a dependency on an EntityManager persistence context.
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
*/
@
Target({ElementType.
TYPE,
ElementType.
METHOD,
ElementType.
FIELD})
@
Retention(RetentionPolicy.
RUNTIME)
public @
interface PersistenceContext
{
/**
* 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.
*/
String name
() default "";
/**
* 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.
*/
String unitName
() default "";
/**
* 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.
*/
PersistenceProperty
[] properties
() default {};
/**
* Specifies whether this is a transaction-scoped persistence context or
* an extended persistence context.
*/
PersistenceContextType type
() default PersistenceContextType.
TRANSACTION;
}