View as "text/plain" |
Blame |
Last modification |
View Log
| RSS feed
1
//$Id: OneToMany.java 11282 2007-03-14 22:05:59Z epbernard $
//EJB3 Specification Copyright 2004-2006 Sun Microsystems, Inc.
package javax.persistence;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.RetentionPolicy.*;
import static javax.persistence.FetchType.*;
/**
* Defines a many-valued association with one-to-many multiplicity.
*
* If the collection is defined using generics to specify the element type,
* the associated target entity type need not be specified; otherwise the target
* entity class must be specified.
*
* @author Emmanuel Bernard
*/
@
Target({METHOD, FIELD
}) @
Retention(RUNTIME
)
public @
interface OneToMany
{
/**
* The entity class that is the target of the association. Optional only if the collection
* property is defined using Java generics. Must be specified otherwise.
*
* Defaults to the parameterized type of the collection when defined using generics.
*/
Class targetEntity
() default void.
class;
/**
* The operations that must be cascaded to the target of the association.
*
* Defaults to no operations being cascaded.
*/
CascadeType
[] cascade
() default {};
/**
* Whether the association should be lazily loaded or must be eagerly fetched.
* The EAGER strategy is a requirement on the persistenceprovider runtime that the
* associatedentities must be eagerly fetched. The LAZY strategy is a hint to the
* persistence provider runtime.
*/
FetchType fetch
() default LAZY
;
/**
* The field that owns the relationship. Required unless the relationship is unidirectional.
*/
String mappedBy
() default "";
}