Hello List,
I want to have all "Users", which are not in a "Group"
Here my repository:
<class-descriptor class="de.on_ergy.lakon.data.model.User" table="user">
<field-descriptor name="objId" column="obj_id"
jdbc-type="INTEGER" primarykey="true"
autoincrement="true"></field-descriptor>
<field-descriptor name="username" column="user_name"
jdbc-type="VARCHAR" length="100" ></field-descriptor>
<!-- m - n über benutzer_gruppen zu gruppen -->
<collection-descriptor
name="groups"
collection-class="org.apache.ojb.broker.util.collections.ManageableArrayList"
element-class-ref="de.on_ergy.lakon.data.model.Group"
auto-retrieve="true"
auto-update="false"
auto-delete="link"
proxy="true"
indirection-table="user_group"
>
<fk-pointing-to-this-class column="user_obj_id"/>
<fk-pointing-to-element-class column="group_obj_id"/>
</collection-descriptor>
</class-descriptor>
How can I get all Users, which currently not in a Group?
Is there a way like this?
Criteria crit = new Criteria();
crit.addIsNull("groups");
Thanks a lot for your help!
regards
--
Josef Wagner
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