[hibernate-issues] [Hibernate-JIRA] Commented: (ANN-558) @OneToMany(mappedBy="") can not recognize properties in parent classes

[David Hay (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/ANN-558?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_27635 ] 

David Hay commented on ANN-558:
-------------------------------

Why is this a bad idea?  Is seems like it goes against the normal inheritance model of Java.  If the mappedBy property can't be found in the child class, but it's found in the parent class it should use that, especially if the inheritance strategy is single table.  Could you point me at some documentation that explains why such a mapping is a bad idea?  Thanks!

> @OneToMany(mappedBy="") can not recognize properties in parent classes
> ----------------------------------------------------------------------
>
>                 Key: ANN-558
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-558
>             Project: Hibernate Annotations
>          Issue Type: Bug
>          Components: binder
>    Affects Versions: 3.2.1
>            Reporter: Amir Pashazadeh
>
> @Entity
> @Inheritance(strategy=InheritanceType.SINGLE_TABLE)
> public class A {
> @ManyToOne
> private B b;
> }
> @Entity
> @DiscriminatorValue("c")
> public class C extends A {
> }
> @Entity
> public class B {
> @OneToMany(mappedBy="b")
> private List<C> cs;
> }
> there would be an exception in this mapping, and it says that there is no such property found in C class (which is mapped by "b")
> ------
> by the way I'm not sure whether this is a Hibernate Annotations bug, or a Hibernate Core bug (I've not tested it without annotations).

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