POJO Generation & getReferencedEntityName() & OneToM

zenix · **Joined:** Fri Feb 17, 2006 6:02 am **Posts:** 6

Hello,

I'm using Hibernate 3.0 beta2 with hbn-tools.

I'm generating code and i have made very heavy modifications to velocity templates.

I have tables:

A - ID
B - AID, A2ID

B - two columns from B references to same (lookup)table. don't ask why; original database designer fucked things up.

When code is generated in table B, ${pojo.getPropertyName($property)} returns BByAid, and BByA2id.

When code is generated in table A, ${property.getValue().getElement().getReferencedEntityName()} returns B.
My problem is that when code is generated in A, i NEED to know BByAid, and BByA2id!! Maybe i can get them out of a.hbn.xml????

Code:

<set name="BsForA" inverse="true">
            <key>
                <column name="AID" precision="22" scale="0" />
            </key>
            <one-to-many class="B" />
        </set>

max · **Posted:** Tue Sep 26, 2006 5:39 am

I assume what you are looking for is a way to get the "other" side of an association, correct ?

Unfortnately i haven't implemented the mechanics for that yet, so if you need it you have to look for it directly in the Configuration object.

You bascially need to scan the other sides properties and find the association that has the "matching" columns/types.

If you implement it I would appreciate if you contribute it back so others can benefit from it too.

zenix · **Joined:** Fri Feb 17, 2006 6:02 am **Posts:** 6

NOTE! This is not tested yet. It's a BIG glue. This just for testing purposes only!

Code:

#set( $isAdded = "false" )
   #foreach($property in $pojo.getAllPropertiesIterator())   
    #if($c2h.isOneToMany($property))
     #foreach($temp in $property.getValue().getElement().getAssociatedClass().getTable().getForeignKeyIterator())
      #if($temp.getReferencedEntityName() == $pojo.getDeclarationName())
       #foreach($fk in $temp.getColumns())

         #if($isAdded == "false")
 String name = "$pojo.getDeclarationName()By" + "${fk.name}".toLowerCase().substring(0,1).toUpperCase());
   #end
   #end
   #end
   #end
   #set( $isAdded = "true" )
   #end
   #end