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  1. #1
    cecily is offline Member
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    Jul 2007
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    Default many to many problems

    I have a problem when I try to use "many to many" relationship
    the mapping works
    I have 2 classes: client-Supplier, that contains "communication"
    and other class: communication

    when I do:
    Java Code:
    HibernateUtil.getSessionFactory();
                
              Enterprise con = new Enterprise ();
                con.setName("restg");
                con.setId(5);
                
                
                Communication communication = new Communication ();
                communication .setType('E');
                communication .setValue("asaas@hsas.com");
                
                
                Client_Supplier client = new Client_Supplier();
                client.setCodP(2121);
                Set  children = new  HashSet();
                children.add(communication);
    
                client.setCommunication(children);
                client.setCondition(con);
                client.setAddress("dsdasd");
              
    try {
                    Session session = HibernateUtil.getSessionFactory().getCurrentSession();
                    Transaction transaction = session.beginTransaction();
                    Client_SupplierTest cp = new Client_SupplierTest (session);
                    ConditionDAO conD = new ConditionDAO(session);
                    conD.saveCondition(con);
                    session.save(cp);
                    transaction.commit();
                    
                } catch (Exception ex) {
                    ex.printStackTrace();
                }
    the problem is that save in client_suppliers table and nothing in communication table.
    what's the problem?

  2. #2
    paty is offline Member
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    Default

    in communication map you have to add the relationship many to many towards client_supplier, too

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