This is ALL as expected. You can not load the same database row as two different objects. That is pathalogical.
You can call session.evict(info) if you wish to reload it as a different class. Gavin > Hi all, > > I'm hoping someone can point me in the right direction. I'm using the > Lightweight Class design pattern and I cannot seem to get > polymorphism="explicit" working as expected. > > I have an Info and Gene object, and when I try to do this: > > Info info = (Info)session.load(Info.class, "PA267"); > Gene gene = (Gene)session.load(Gene.class, "PA267"); > > The second line throws a ClassCaseException, because it's returning a > GeneInfo object rather than a Gene object. It works fine if I reverse > the order of the two load calls. > > > The only difference between what I'm doing and the example at > http://hibernate.bluemars.net/41.html is that my Gene class is a > joined-subclass. My mapping file looks something like: > > <class name="Info" table="Data" mutable="false"> > <property name="name" /> > <property name="symbol" column="symbol" /> > </class> > > <class name="Data" table="Data" polymorphism="explicit"> > <property name="name" /> > <property name="symbol" /> > > <joined-subclass name="Gene" table="Genes"> > <property name="cytogeneticLocation" /> > </joined-subclass> > > <joined-subclass name="Subclass2" table="Subclass2"> > <property name="data2" /> > </joined-subclass> > > <joined-subclass name="Subclass3" table="Subclass3"> > <property name="data3" /> > </joined-subclass> > </class> > > Anyone have any idea what my problem is? > > Thanks, > -Mark > > > > > ------------------------------------------------------- > This sf.net email is sponsored by:ThinkGeek > Welcome to geek heaven. > http://thinkgeek.com/sf > _______________________________________________ > hibernate-devel mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/hibernate-devel > ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ hibernate-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/hibernate-devel