Yes. Make sure your abstract class is defined as extent:
<collection-descriptor
name="items"
element-class-ref="BaseClass"
>
...
<class-descriptor class="BaseClass">
<extent-class class-ref="ConcreteClassA"/>
<extent-class class-ref="ConcreteClassB"/>
</class-descriptor>
http://db.apache.org/ojb/tutorial3.html#Extents%20and%20Polymorphism
----- Original Message -----
From: "Maksimenko Alexander" <[EMAIL PROTECTED]>
To: "OJB Users List" <[EMAIL PROTECTED]>
Sent: Wednesday, May 26, 2004 12:33 PM
Subject: Polymorphism in collections
> Hi!
> Is it possible to specify in "element" attribute in the collection
> descriptor an abstract class?
> I tried to do this but unsuccessfully :(
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
>
---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
