Bugs item #531811, was opened at 2002-03-19 02:06
You can respond by visiting:
http://sourceforge.net/tracker/?func=detail&atid=402704&aid=531811&group_id=31602
Category: jboss
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: JBoss 3 Relationship Mapping fails
Initial Comment:
Hi,
I have a Partner bean that has a one-to-many
unidirectional relationship with Adresse bean.
I want a foreign-key-mapping such that in the Adresse
table the appropriate partner bean is referenced by
its partnerId.
To achieve this, you need an entry like this in
jbosscmp-jdbc.xml:
<ejb-relation>
<ejb-relation-name>Partner-Adressen</ejb-
relation-name>
<foreign-key-mapping>
<ejb-relationship-role>
<ejb-relationship-role-name>Partner
hat viele Adressen</ejb-relationship-role-name>
<foreign-key-fields/>
</ejb-relationship-role>
<ejb-relationship-role>
<ejb-relationship-role-name>Adressen
sind einem Partner zugeordnet</ejb-relationship-
role-name>
<foreign-key-fields>
<foreign-key-field>
<field-name>partnerId</field-name>
<column-name>partnerId</column-name>
</foreign-key-field>
</foreign-key-fields>
</ejb-relationship-role>
</foreign-key-mapping>
</ejb-relation>
However, the JBoss subtask creates the following:
<ejb-relation>
<ejb-relation-name>Partner-Adressen</ejb-
relation-name>
<foreign-key-mapping/>
<ejb-relationship-role>
<ejb-relationship-role-name>Partner
hat viele Adressen</ejb-relationship-role-name>
<key-fields/>
</ejb-relationship-role>
<ejb-relationship-role>
<ejb-relationship-role-name>Adressen
sind einem Partner zugeordnet</ejb-relationship-
role-name>
<key-fields>
<key-field>
<field-name>partnerId</field-name>
<column-name>partnerId</column-name>
</key-field>
</key-fields>
</ejb-relationship-role>
</ejb-relation>
Note the differences: the foreign-key-mapping/ tag
above is empty and doesn't correctly include the ejb-
relationship-role elements as it should. Tags are
named key-fields(s) instead of the correct foreign-key-
fields. I looked at the DTD
(http://www.jboss.org/j2ee/dtd/jbosscmp-jdbc_3_0.dtd)
and thanks to it constructed my first (correct)
version.
In my Partner bean I have the following relation-
related tags for the appropriate getter:
/**
* @ejb:relation name="Partner-Adressen"
role-name="Partner hat
* viele Adressen" target-ejb="Adresse"
target-role-name="Adressen sind
* einem Partner zugeordnet" target-cascade-
delete="yes"
* target-multiple="no"
* @ejb:interface-method
* @jboss:relation related-pk-field="partnerId"
* fk-column="partnerId"
*/
public abstract java.util.Collection getAdressen();
I also tried jboss:target-relation and different other
combinations but none of them yielded the correct
result. My only option right now seems changing the
jbosscmp-jdbx.xml manually which sure isn't a nice
solution. Is this jboss:relation tag buggy or is there
something wrong with my use of it?
Thanks!
Bernhard
----------------------------------------------------------------------
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