[hibernate-issues] [Hibernate-JIRA] Commented: (ANN-381) Make possible to specify an @EmbeddedId's field in a @OneToMany's mappedBy property

[Brice Laurencin (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/ANN-381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=33687#action_33687 ] 

Brice Laurencin commented on ANN-381:
-------------------------------------

OK, so here is my solution: http://docs.jboss.org/hibernate/stable/annotations/reference/en/html_single/#d0e1393

not quite as user-friendly as mappedby("id.pool")

> Make possible to specify an @EmbeddedId's field in a @OneToMany's mappedBy property
> -----------------------------------------------------------------------------------
>
>                 Key: ANN-381
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-381
>             Project: Hibernate Annotations
>          Issue Type: Improvement
>          Components: binder
>         Environment: Hibernate's annotations packaged in JBoss EJB 3.0 RC8- FD
> Microsoft SQL Server 2000
>            Reporter: Pierre Fourès
>             Fix For: 3.2.0.cr2
>
>
> As described in hibernate forum (http://forum.hibernate.org/viewtopic.php?t=960763) and discussed with Emmanuel, it would be very nice to be able to specify in an @OneToMany's mappedBy property the field of an @EmbeddedId.
> For example, i would like to be able run this example :
> @Entity
> public class Card {
>    @OneToMany(cascade=CascadeType.ALL, fetch=FetchType.EAGER, mappedBy="primaryKey.card")
>    private Set<CardField> fields; 
> }
> @Entity
> public class CardField implements Field {
>    @EmbeddedId
>    private PrimaryKey primaryKey = new PrimaryKey();
>    
>    @Embeddable
>    class PrimaryKey implements Serializable {
>       @ManyToOne(optional = false)
>       private Card card;
>       
>       @ManyToOne(optional = false)
>       private Key key;
>    }
> }
> @Entity
> public class Key {}

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