Hi all. I'm think about the best way to implement support for association classes in OJB. Example (see AssociationClassDiagram2.jpg)
The only way I could map this on OJB today would be using decomposed m:n associations, using a 3rd table on the ER level and storing the RoleList information there. I'd like to have a way to map this using non-decomposed m:n associations using a 3 column table like this : PERSON_ID PROJECT_ID ROLELIST_ID For this to work I'd have to associate a specific MtoNImplementor to the CollectionDescriptor for Person to Project. OJB users would have to implement their specific MtoNImplementor to store/delete ROLELIST_ID values from the 3rd table. What do you think ? -- Leandro Rodrigo Saad Cruz IT - Inter Business Tecnologia e Servicos (IB) http://www.ibnetwork.com.br http://db.apache.org/ojb http://xingu.sourceforge.net
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