I'm having a problem with Castor JDO and I'm hoping that someone can shed
some light.....
I have two classes: User and Group. The JDO mapping for them looks like
this:
<class name="User" identity="userid" cache-type="unlimited"
auto-complete="false">
<map-to table="USERS" />
<field name="userid" type="java.lang.String" set-method="setUserId"
get-method="getUserId">
<sql name="USER_ID" type="varchar" />
</field>
<field name="password" type="java.lang.String" set-method="setPassword"
get-method="getPassword">
<sql name="PASSWORD" type="varchar" />
</field>
<field name="groups" type="Group" set-method="setGroups"
get-method="getGroups" collection="collection">
<sql many-table="USER_GROUPS" many-key="USER_ID" />
</field>
</class>
<class name="Group" identity="id" cache-type="unlimited"
auto-complete="false">
<map-to table="GROUPS" />
<field name="id" type="long" set-method="setId" get-method="getId">
<sql name="GROUP_ID" />
</field>
<field name="name" type="string" set-method="setName"
get-method="getName">
<sql name="GROUP_DESCRIPTION" />
</field>
</class>
Castor works for instantiating a user object. The user.groups collection is
correctly populated if I pre-populate the underlying database table.
Castor seems to pick up the changes and delete rows when I remove a Group
object from the user.groups collection. However, when I _add_ a Group object
to the user.groups collection and subsequently save the the User object
instance to the database via Database.update(), the new row is never
created.
I've tried change the cache-type setting and turning on/off auto update with
no effect.
Does anyone see problems with my config or the logical process for saving
changes?
Thanks,
Kevin
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