Flattened relationships are read-only?

From: Jim Menard (jim..o.com)
Date: Wed Dec 17 2003 - 12:46:24 EST

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    I have a flattened relationship Member *-> (member_address) -> Address.
    Each member can have multiple addresses. Member and Address are
    objects, but member_address is just a data entity with no object
    entity. The Member relationship "addresses" is a one-to-many
    relationship with address "through" the member_address by using the
    DbRelationship memberAddresses.address.

    When I try

            member.addToAddresses(address);

    it fails with the error message

    Exception in thread "main"
    org.objectstyle.cayenne.CayenneRuntimeException: [v.1.0.4 December 14
    2003] Cannot modify (add to) the read-only relationship addresses

    What am I doing wrong?

    Jim 

    -- 
Jim Menard, jim..o.com, http://www.io.com/~jimm
"I have a red sign on my door. It says 'If this sign is blue, you're 
moving
too fast.'"
   -- pyros on slashdot

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