code: public CmrFieldType<EjbRelationshipRoleType<T>> getOrCreateCmrField()
     {
        Node node = childNode.getOrCreate("cmr-field");
        CmrFieldType<EjbRelationshipRoleType<T>> cmrField = new CmrFieldTypeImpl<EjbRelationshipRoleType<T>>(this, "cmr-field", childNode, node);
        return cmrField;
     }
docs: If not already created, a new <code>cmr-field</code> element with the given value will be created.
  Otherwise, the existing <code>cmr-field</code> element will be returned.
  @return  a new or existing instance of <code>CmrFieldType<EjbRelationshipRoleType<T>></code>