Re: [eclipselink-users] Properties of embedded class which extends a Map

["Guy Pelletier" <guy.pelletier@xxxxxxxxxx>]

Here is some information on creating a descriptor customizer:

http://wiki.eclipse.org/Customizing_the_EclipseLink_Application_(ELUG)#Using_the_Descriptor_Customizer_Class

You won't need to set the inheritance policy, instead create a mapping for 
each property from your mapped superclass and add them do your embeddable's 
descriptor.

Feel free to vote for this bug as well;

https://bugs.eclipse.org/bugs/show_bug.cgi?id=283028

Cheers,
Guy

----- Original Message ----- 
From: "Mario Schwarz" <Mario.Sandro.Schwarz@xxxxxx>
To: <eclipselink-users@xxxxxxxxxxx>
Sent: Wednesday, August 12, 2009 11:14 AM
Subject: [eclipselink-users] Properties of embedded class which extends a 
MappedSuperclass IGNORED!!!


Hi folks,

I am having the following issue and would be grateful if anyone would try to 
help me:

BaseA is an abstract entity base class (model) which encapsulates properties 
and annotations and makes them transparent for subclasses. As inheritance 
strategy "SINGLE_TABLE" is used.

The concrete entity class A inherits from BaseA.
BaseA has an embedded property x of the type X.
X is an embeddable class with a few properties

The embeddable class X extends from a with @MappedSuperclass annotated 
abstract superclass BaseX (also a model).

When I deploy my ear on the application server (Glassfish v2.1) a table for 
BaseA is created. But all the properties of the embedded property x are 
ignored and no corresponding fields in the table are created.

Can someone explain me why that is the case and suggest me a way to resolve 
that issue? I couldn't find anything useful regarding @Embedded in 
combination with @MappedSuperclass

I've read that there is a way to map a between Embeddable classes with the 
using a DescriptorCustomizer and InheritancePolicy and would like to try 
that solution also. Unfortunately I neither could find an example which 
makes clear to which class of the inheritance hierarchy a Customizer has to 
be annotated , nor what has to be done in the customize() method.

Thanks in advance for your help and effort
Mario

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