Beziehungen ejb-jar.xml
<relationships>
<ejb-relation>
<ejb-relation-name>PersonBean-Contact</ejb-relation-name>
<ejb-relationship-role>
<ejb-relationship-role-name>person-has-many-contacts</ejb-relationship-role-name>
<multiplicity>One</multiplicity>
<relationship-role-source>
<ejb-name>Person</ejb-name>
</relationship-role-source>
<cmr-field>
<cmr-field-name>contacts</cmr-field-name>
<cmr-field-type>java.util.Collection</cmr-field-type>
</cmr-field>
</ejb-relationship-role>
<ejb-relationship-role>
<ejb-relationship-role-name>Contact-belongs-to-one-Person</ejb-relationship-role-name>
<multiplicity>Many</multiplicity>
<cascade-delete/>
<relationship-role-source>
<ejb-name>Contact</ejb-name>
</relationship-role-source>
</ejb-relationship-role>
</ejb-relation>
</relationships>