> Castor has no way to "magically" guess that you want to put a copy of
> the parent inside the child. So you can either use the approach I
> suggested above which explicitly expresses your desires, or you can
> handle the back-reference very easily yourself in your add/set method:
No, not magically, but the mapping could provide something like this with a
new node-type, I named it "parent-element"
<class name="Child" identity="id" key-generator="MAX" depends="Parent">
<map-to xml="child" table="child"/>
<field name="id" type="integer">
<sql name="child_id"/>
</field>
<field name="parent" type="Parent">
<sql name="parent_id"/>
<bind-xml name="parent" node="parent-element"/>
^^^^^^^^^^^^
</field>
<field name="content" type="java.lang.String">
<sql name="content" type="varchar"/>
<bind-xml name="string" node="text"/>
</field>
</class>
This would be a great solution.
> public void addChild(Child child) {
> ...
> child.setParent(this);
> }
Does this also work, if I unmarshall the data from XML. Which method does
the unmarshaller call to add childs? addChild(Child child)? setChild(Child[]
children)? setChild(int index, Child child)?
Thank you,
Thomas
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