help with one-to-one

jba · **Joined:** Fri Oct 28, 2005 9:08 am **Posts:** 12

Hello,

I want to map a one-to-one unidirectional association on the primary key.

The 2 business obects are the followings :

Code:

public class Client {
        private String clientNumber;  //NUMCLI of CLD01
        //other properties...
}

public class Code {
        private Client client;   //NUMCLI of CLD09
        //other poperties
}

For the mapping files, I have this :

Code:

<class name="Client" table="CLD01">
            <id name="clientNumber" type="string" column="NUMCLI">
                     <generator class="assigned"/>
           </id>
           <!-- other properties -->
</class>

I don't understand how I have to map the other class : in the documentation, I see always the id property + the property for the association :

Code:

<class name="BicCode" table="CLD09">
   <id name="id" column="NUMCLI">
        <generator class="foreign">
              <param name="property">client</param>
        </generator>
    </id>
    <one-to-one name="client" constrained="true"/>
</class>

Is the property "id" mandatory in the business object ? This means I have to add it in the Code business object ? For me, the client is the id.

Thanks in advance,