[Hibernate] Possible bug with

[Mark Woon]

I'm getting some pretty weird behavior with component.  Here's my mapping:

     <joined-subclass name="org.pharmgen.db.DbPcrAssay" 
table="PcrAssayView">
       <key column="experimentAssayId" />
       <component name="forwardPrimer" class="org.pharmgen.db.DbPcrPrimer">
         <component name="annealingRegionInPrimer" 
class="org.pharmgen.db.DbRegion">
           <property name="startPosition" 
column="fwdPrimerAnnealStart_prime" />
           <property name="stopPosition" 
column="fwdPrimerAnnealStop_prime" />
         </component>
         <component name="annealingRegionInReferenceSequence" 
class="org.pharmgen.db.DbRegion">
           <property name="startPosition" 
column="fwdPrimerAnnealStart_coord" />
           <property name="stopPosition" 
column="fwdPrimerAnnealStop_coord" />
         </component>
         <property name="sequence" column="fwdPrimerDna" />
       </component>
       <component name="reversePrimer" class="org.pharmgen.db.DbPcrPrimer">
         <component name="annealingRegionInPrimer" 
class="org.pharmgen.db.DbRegion">
           <property name="startPosition" 
column="revPrimerAnnealStart_prime" />
           <property name="stopPosition" 
column="revPrimerAnnealStop_prime" />
         </component>
         <component name="annealingRegionInReferenceSequence" 
class="org.pharmgen.db.DbRegion">
           <property name="startPosition" 
column="revPrimerAnnealStart_coord" />
           <property name="stopPosition" 
column="revPrimerAnnealStop_coord" />
         </component>
         <property name="sequence" column="revPrimerDna" />
       </component>
     </joined-subclass>

The problem is this:  after getting a DbPcrAssay from Hibernate, the 
values of DbPcrAssay.forwardPrimer.annealingRegionInPrimer.startPosition 
and DbPcrAssay.reversePrimer.annealingRegionInPrimer.startPosition is 
the same, eventhough the values is different in the db.  I suspect that 
Hibernate is getting confused over the fact that both DbRegion's are 
being assigned to the same name, eventhough they're in different parent 
objects.  I haven't really taken a look at the Hibernate code though, so 
I'm not too sure.

Anyone else using <component> like this and noticing this kind of behavior?

-Mark



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